[llvm] e5acb16 - [AMDGPU][True16][MC] true16 for v_trunc_f16 (#120693)

via llvm-commits llvm-commits at lists.llvm.org
Fri Jan 3 08:43:48 PST 2025


Author: Brox Chen
Date: 2025-01-03T11:43:45-05:00
New Revision: e5acb167b72a6d2a6e29bcd29d6be57e15224c24

URL: https://github.com/llvm/llvm-project/commit/e5acb167b72a6d2a6e29bcd29d6be57e15224c24
DIFF: https://github.com/llvm/llvm-project/commit/e5acb167b72a6d2a6e29bcd29d6be57e15224c24.diff

LOG: [AMDGPU][True16][MC] true16 for v_trunc_f16 (#120693)

Support true16 format for v_trunc_f16 in MC

Added: 
    

Modified: 
    llvm/lib/Target/AMDGPU/VOP1Instructions.td
    llvm/test/CodeGen/AMDGPU/llvm.trunc.f16.ll
    llvm/test/MC/AMDGPU/gfx11_asm_vop1.s
    llvm/test/MC/AMDGPU/gfx11_asm_vop1_dpp16.s
    llvm/test/MC/AMDGPU/gfx11_asm_vop1_dpp8.s
    llvm/test/MC/AMDGPU/gfx11_asm_vop1_t16_err.s
    llvm/test/MC/AMDGPU/gfx11_asm_vop1_t16_promote.s
    llvm/test/MC/AMDGPU/gfx11_asm_vop3_dpp16_from_vop1.s
    llvm/test/MC/AMDGPU/gfx11_asm_vop3_dpp8_from_vop1.s
    llvm/test/MC/AMDGPU/gfx11_asm_vop3_from_vop1.s
    llvm/test/MC/AMDGPU/gfx12_asm_vop1.s
    llvm/test/MC/AMDGPU/gfx12_asm_vop1_dpp16.s
    llvm/test/MC/AMDGPU/gfx12_asm_vop1_dpp8.s
    llvm/test/MC/AMDGPU/gfx12_asm_vop1_t16_err.s
    llvm/test/MC/AMDGPU/gfx12_asm_vop1_t16_promote.s
    llvm/test/MC/AMDGPU/gfx12_asm_vop3_from_vop1.s
    llvm/test/MC/AMDGPU/gfx12_asm_vop3_from_vop1_dpp16.s
    llvm/test/MC/AMDGPU/gfx12_asm_vop3_from_vop1_dpp8.s
    llvm/test/MC/Disassembler/AMDGPU/gfx11_dasm_vop1.txt
    llvm/test/MC/Disassembler/AMDGPU/gfx11_dasm_vop1_dpp16.txt
    llvm/test/MC/Disassembler/AMDGPU/gfx11_dasm_vop1_dpp8.txt
    llvm/test/MC/Disassembler/AMDGPU/gfx11_dasm_vop3_dpp16_from_vop1.txt
    llvm/test/MC/Disassembler/AMDGPU/gfx11_dasm_vop3_dpp8_from_vop1.txt
    llvm/test/MC/Disassembler/AMDGPU/gfx11_dasm_vop3_from_vop1.txt
    llvm/test/MC/Disassembler/AMDGPU/gfx12_dasm_vop1_dpp16.txt
    llvm/test/MC/Disassembler/AMDGPU/gfx12_dasm_vop1_dpp8.txt
    llvm/test/MC/Disassembler/AMDGPU/gfx12_dasm_vop3_from_vop1.txt
    llvm/test/MC/Disassembler/AMDGPU/gfx12_dasm_vop3_from_vop1_dpp16.txt
    llvm/test/MC/Disassembler/AMDGPU/gfx12_dasm_vop3_from_vop1_dpp8.txt

Removed: 
    


################################################################################
diff  --git a/llvm/lib/Target/AMDGPU/VOP1Instructions.td b/llvm/lib/Target/AMDGPU/VOP1Instructions.td
index bbb456ab739ab3..92ebd0e10c8fdc 100644
--- a/llvm/lib/Target/AMDGPU/VOP1Instructions.td
+++ b/llvm/lib/Target/AMDGPU/VOP1Instructions.td
@@ -1042,7 +1042,7 @@ defm V_FLOOR_F16_t16         : VOP1_Real_FULL_t16_gfx11_gfx12<0x05b, "v_floor_f1
 defm V_FLOOR_F16_fake16      : VOP1_Real_FULL_t16_gfx11_gfx12<0x05b, "v_floor_f16">;
 defm V_CEIL_F16_t16          : VOP1_Real_FULL_t16_gfx11_gfx12<0x05c, "v_ceil_f16">;
 defm V_CEIL_F16_fake16       : VOP1_Real_FULL_t16_gfx11_gfx12<0x05c, "v_ceil_f16">;
-defm V_TRUNC_F16_fake16      : VOP1_Real_FULL_t16_gfx11_gfx12<0x05d, "v_trunc_f16">;
+defm V_TRUNC_F16             : VOP1_Real_FULL_t16_and_fake16_gfx11_gfx12<0x05d, "v_trunc_f16">;
 defm V_RNDNE_F16_fake16      : VOP1_Real_FULL_t16_gfx11_gfx12<0x05e, "v_rndne_f16">;
 defm V_FRACT_F16_fake16      : VOP1_Real_FULL_t16_gfx11_gfx12<0x05f, "v_fract_f16">;
 defm V_SIN_F16_fake16        : VOP1_Real_FULL_t16_gfx11_gfx12<0x060, "v_sin_f16">;

diff  --git a/llvm/test/CodeGen/AMDGPU/llvm.trunc.f16.ll b/llvm/test/CodeGen/AMDGPU/llvm.trunc.f16.ll
index 47777e3853e894..0d58afd1812dea 100644
--- a/llvm/test/CodeGen/AMDGPU/llvm.trunc.f16.ll
+++ b/llvm/test/CodeGen/AMDGPU/llvm.trunc.f16.ll
@@ -2,6 +2,7 @@
 ; RUN: llc -amdgpu-scalarize-global-loads=false -mtriple=amdgcn -mcpu=tahiti -verify-machineinstrs < %s | FileCheck -check-prefixes=SI %s
 ; RUN: llc -amdgpu-scalarize-global-loads=false -mtriple=amdgcn -mcpu=fiji -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefixes=VI %s
 ; RUN: llc -amdgpu-scalarize-global-loads=false -mtriple=amdgcn -mcpu=gfx1100 -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefixes=GFX11 %s
+; RUN: llc -amdgpu-scalarize-global-loads=false -mtriple=amdgcn -mcpu=gfx1200 -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefixes=GFX12 %s
 
 declare half @llvm.trunc.f16(half %a)
 declare <2 x half> @llvm.trunc.v2f16(<2 x half> %a)
@@ -62,6 +63,24 @@ define amdgpu_kernel void @trunc_f16(
 ; GFX11-NEXT:    v_trunc_f16_e32 v0, v0
 ; GFX11-NEXT:    buffer_store_b16 v0, off, s[4:7], 0
 ; GFX11-NEXT:    s_endpgm
+;
+; GFX12-LABEL: trunc_f16:
+; GFX12:       ; %bb.0: ; %entry
+; GFX12-NEXT:    s_load_b128 s[0:3], s[4:5], 0x24
+; GFX12-NEXT:    s_mov_b32 s6, -1
+; GFX12-NEXT:    s_mov_b32 s7, 0x31016000
+; GFX12-NEXT:    s_mov_b32 s10, s6
+; GFX12-NEXT:    s_mov_b32 s11, s7
+; GFX12-NEXT:    s_wait_kmcnt 0x0
+; GFX12-NEXT:    s_mov_b32 s8, s2
+; GFX12-NEXT:    s_mov_b32 s9, s3
+; GFX12-NEXT:    s_mov_b32 s4, s0
+; GFX12-NEXT:    buffer_load_u16 v0, off, s[8:11], null
+; GFX12-NEXT:    s_mov_b32 s5, s1
+; GFX12-NEXT:    s_wait_loadcnt 0x0
+; GFX12-NEXT:    v_trunc_f16_e32 v0, v0
+; GFX12-NEXT:    buffer_store_b16 v0, off, s[4:7], null
+; GFX12-NEXT:    s_endpgm
     ptr addrspace(1) %r,
     ptr addrspace(1) %a) {
 entry:
@@ -147,6 +166,28 @@ define amdgpu_kernel void @trunc_v2f16(
 ; GFX11-NEXT:    v_pack_b32_f16 v0, v0, v1
 ; GFX11-NEXT:    buffer_store_b32 v0, off, s[4:7], 0
 ; GFX11-NEXT:    s_endpgm
+;
+; GFX12-LABEL: trunc_v2f16:
+; GFX12:       ; %bb.0: ; %entry
+; GFX12-NEXT:    s_load_b128 s[0:3], s[4:5], 0x24
+; GFX12-NEXT:    s_mov_b32 s6, -1
+; GFX12-NEXT:    s_mov_b32 s7, 0x31016000
+; GFX12-NEXT:    s_mov_b32 s10, s6
+; GFX12-NEXT:    s_mov_b32 s11, s7
+; GFX12-NEXT:    s_wait_kmcnt 0x0
+; GFX12-NEXT:    s_mov_b32 s8, s2
+; GFX12-NEXT:    s_mov_b32 s9, s3
+; GFX12-NEXT:    s_mov_b32 s4, s0
+; GFX12-NEXT:    buffer_load_b32 v0, off, s[8:11], null
+; GFX12-NEXT:    s_mov_b32 s5, s1
+; GFX12-NEXT:    s_wait_loadcnt 0x0
+; GFX12-NEXT:    v_lshrrev_b32_e32 v1, 16, v0
+; GFX12-NEXT:    v_trunc_f16_e32 v0, v0
+; GFX12-NEXT:    s_delay_alu instid0(VALU_DEP_2) | instskip(NEXT) | instid1(VALU_DEP_1)
+; GFX12-NEXT:    v_trunc_f16_e32 v1, v1
+; GFX12-NEXT:    v_pack_b32_f16 v0, v0, v1
+; GFX12-NEXT:    buffer_store_b32 v0, off, s[4:7], null
+; GFX12-NEXT:    s_endpgm
     ptr addrspace(1) %r,
     ptr addrspace(1) %a) {
 entry:

diff  --git a/llvm/test/MC/AMDGPU/gfx11_asm_vop1.s b/llvm/test/MC/AMDGPU/gfx11_asm_vop1.s
index 4448720e6f79f8..fe08042ae5c845 100644
--- a/llvm/test/MC/AMDGPU/gfx11_asm_vop1.s
+++ b/llvm/test/MC/AMDGPU/gfx11_asm_vop1.s
@@ -3533,50 +3533,65 @@ v_swaprel_b32 v5, v1
 v_swaprel_b32 v255, v255
 // GFX11: v_swaprel_b32 v255, v255                ; encoding: [0xff,0xd1,0xfe,0x7f]
 
-v_trunc_f16 v5, v1
-// GFX11: v_trunc_f16_e32 v5, v1                  ; encoding: [0x01,0xbb,0x0a,0x7e]
+v_trunc_f16 v5.l, v1.l
+// GFX11: v_trunc_f16_e32 v5.l, v1.l              ; encoding: [0x01,0xbb,0x0a,0x7e]
 
-v_trunc_f16 v5, v127
-// GFX11: v_trunc_f16_e32 v5, v127                ; encoding: [0x7f,0xbb,0x0a,0x7e]
+v_trunc_f16 v5.l, v127.l
+// GFX11: v_trunc_f16_e32 v5.l, v127.l            ; encoding: [0x7f,0xbb,0x0a,0x7e]
 
-v_trunc_f16 v5, s1
-// GFX11: v_trunc_f16_e32 v5, s1                  ; encoding: [0x01,0xba,0x0a,0x7e]
+v_trunc_f16 v5.l, s1
+// GFX11: v_trunc_f16_e32 v5.l, s1                ; encoding: [0x01,0xba,0x0a,0x7e]
 
-v_trunc_f16 v5, s105
-// GFX11: v_trunc_f16_e32 v5, s105                ; encoding: [0x69,0xba,0x0a,0x7e]
+v_trunc_f16 v5.l, s105
+// GFX11: v_trunc_f16_e32 v5.l, s105              ; encoding: [0x69,0xba,0x0a,0x7e]
 
-v_trunc_f16 v5, vcc_lo
-// GFX11: v_trunc_f16_e32 v5, vcc_lo              ; encoding: [0x6a,0xba,0x0a,0x7e]
+v_trunc_f16 v5.l, vcc_lo
+// GFX11: v_trunc_f16_e32 v5.l, vcc_lo            ; encoding: [0x6a,0xba,0x0a,0x7e]
 
-v_trunc_f16 v5, vcc_hi
-// GFX11: v_trunc_f16_e32 v5, vcc_hi              ; encoding: [0x6b,0xba,0x0a,0x7e]
+v_trunc_f16 v5.l, vcc_hi
+// GFX11: v_trunc_f16_e32 v5.l, vcc_hi            ; encoding: [0x6b,0xba,0x0a,0x7e]
 
-v_trunc_f16 v5, ttmp15
-// GFX11: v_trunc_f16_e32 v5, ttmp15              ; encoding: [0x7b,0xba,0x0a,0x7e]
+v_trunc_f16 v5.l, ttmp15
+// GFX11: v_trunc_f16_e32 v5.l, ttmp15            ; encoding: [0x7b,0xba,0x0a,0x7e]
 
-v_trunc_f16 v5, m0
-// GFX11: v_trunc_f16_e32 v5, m0                  ; encoding: [0x7d,0xba,0x0a,0x7e]
+v_trunc_f16 v5.l, m0
+// GFX11: v_trunc_f16_e32 v5.l, m0                ; encoding: [0x7d,0xba,0x0a,0x7e]
 
-v_trunc_f16 v5, exec_lo
-// GFX11: v_trunc_f16_e32 v5, exec_lo             ; encoding: [0x7e,0xba,0x0a,0x7e]
+v_trunc_f16 v5.l, exec_lo
+// GFX11: v_trunc_f16_e32 v5.l, exec_lo           ; encoding: [0x7e,0xba,0x0a,0x7e]
 
-v_trunc_f16 v5, exec_hi
-// GFX11: v_trunc_f16_e32 v5, exec_hi             ; encoding: [0x7f,0xba,0x0a,0x7e]
+v_trunc_f16 v5.l, exec_hi
+// GFX11: v_trunc_f16_e32 v5.l, exec_hi           ; encoding: [0x7f,0xba,0x0a,0x7e]
 
-v_trunc_f16 v5, null
-// GFX11: v_trunc_f16_e32 v5, null                ; encoding: [0x7c,0xba,0x0a,0x7e]
+v_trunc_f16 v5.l, null
+// GFX11: v_trunc_f16_e32 v5.l, null              ; encoding: [0x7c,0xba,0x0a,0x7e]
 
-v_trunc_f16 v5, -1
-// GFX11: v_trunc_f16_e32 v5, -1                  ; encoding: [0xc1,0xba,0x0a,0x7e]
+v_trunc_f16 v5.l, -1
+// GFX11: v_trunc_f16_e32 v5.l, -1                ; encoding: [0xc1,0xba,0x0a,0x7e]
 
-v_trunc_f16 v5, 0.5
-// GFX11: v_trunc_f16_e32 v5, 0.5                 ; encoding: [0xf0,0xba,0x0a,0x7e]
+v_trunc_f16 v5.l, 0.5
+// GFX11: v_trunc_f16_e32 v5.l, 0.5               ; encoding: [0xf0,0xba,0x0a,0x7e]
 
-v_trunc_f16 v5, src_scc
-// GFX11: v_trunc_f16_e32 v5, src_scc             ; encoding: [0xfd,0xba,0x0a,0x7e]
+v_trunc_f16 v5.l, src_scc
+// GFX11: v_trunc_f16_e32 v5.l, src_scc           ; encoding: [0xfd,0xba,0x0a,0x7e]
 
-v_trunc_f16 v127, 0xfe0b
-// GFX11: v_trunc_f16_e32 v127, 0xfe0b            ; encoding: [0xff,0xba,0xfe,0x7e,0x0b,0xfe,0x00,0x00]
+v_trunc_f16 v127.l, 0xfe0b
+// GFX11: v_trunc_f16_e32 v127.l, 0xfe0b          ; encoding: [0xff,0xba,0xfe,0x7e,0x0b,0xfe,0x00,0x00]
+
+v_trunc_f16 v5.l, v1.h
+// GFX11: v_trunc_f16_e32 v5.l, v1.h              ; encoding: [0x81,0xbb,0x0a,0x7e]
+
+v_trunc_f16 v5.l, v127.h
+// GFX11: v_trunc_f16_e32 v5.l, v127.h            ; encoding: [0xff,0xbb,0x0a,0x7e]
+
+v_trunc_f16 v127.l, 0.5
+// GFX11: v_trunc_f16_e32 v127.l, 0.5             ; encoding: [0xf0,0xba,0xfe,0x7e]
+
+v_trunc_f16 v5.h, src_scc
+// GFX11: v_trunc_f16_e32 v5.h, src_scc           ; encoding: [0xfd,0xba,0x0a,0x7f]
+
+v_trunc_f16 v127.h, 0xfe0b
+// GFX11: v_trunc_f16_e32 v127.h, 0xfe0b          ; encoding: [0xff,0xba,0xfe,0x7f,0x0b,0xfe,0x00,0x00]
 
 v_trunc_f32 v5, v1
 // GFX11: v_trunc_f32_e32 v5, v1                  ; encoding: [0x01,0x43,0x0a,0x7e]

diff  --git a/llvm/test/MC/AMDGPU/gfx11_asm_vop1_dpp16.s b/llvm/test/MC/AMDGPU/gfx11_asm_vop1_dpp16.s
index da2a3615360a43..f5cf3fd390c7d6 100644
--- a/llvm/test/MC/AMDGPU/gfx11_asm_vop1_dpp16.s
+++ b/llvm/test/MC/AMDGPU/gfx11_asm_vop1_dpp16.s
@@ -2741,47 +2741,56 @@ v_sqrt_f32 v5, v1 row_xmask:0 row_mask:0x1 bank_mask:0x3 bound_ctrl:1 fi:0
 v_sqrt_f32 v255, -|v255| row_xmask:15 row_mask:0x3 bank_mask:0x0 bound_ctrl:0 fi:1
 // GFX11: v_sqrt_f32_dpp v255, -|v255| row_xmask:15 row_mask:0x3 bank_mask:0x0 fi:1 ; encoding: [0xfa,0x66,0xfe,0x7f,0xff,0x6f,0x35,0x30]
 
-v_trunc_f16 v5, v1 quad_perm:[3,2,1,0]
-// GFX11: v_trunc_f16_dpp v5, v1 quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x1b,0x00,0xff]
+v_trunc_f16 v5.l, v1.l quad_perm:[3,2,1,0]
+// GFX11: v_trunc_f16_dpp v5.l, v1.l quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x1b,0x00,0xff]
 
-v_trunc_f16 v5, v1 quad_perm:[0,1,2,3]
-// GFX11: v_trunc_f16_dpp v5, v1 quad_perm:[0,1,2,3] row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0xe4,0x00,0xff]
+v_trunc_f16 v5.l, v1.l quad_perm:[0,1,2,3]
+// GFX11: v_trunc_f16_dpp v5.l, v1.l quad_perm:[0,1,2,3] row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0xe4,0x00,0xff]
 
-v_trunc_f16 v5, v1 row_mirror
-// GFX11: v_trunc_f16_dpp v5, v1 row_mirror row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x40,0x01,0xff]
+v_trunc_f16 v5.l, v1.l row_mirror
+// GFX11: v_trunc_f16_dpp v5.l, v1.l row_mirror row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x40,0x01,0xff]
 
-v_trunc_f16 v5, v1 row_half_mirror
-// GFX11: v_trunc_f16_dpp v5, v1 row_half_mirror row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x41,0x01,0xff]
+v_trunc_f16 v5.l, v1.l row_half_mirror
+// GFX11: v_trunc_f16_dpp v5.l, v1.l row_half_mirror row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x41,0x01,0xff]
 
-v_trunc_f16 v5, v1 row_shl:1
-// GFX11: v_trunc_f16_dpp v5, v1 row_shl:1 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x01,0x01,0xff]
+v_trunc_f16 v5.l, v1.l row_shl:1
+// GFX11: v_trunc_f16_dpp v5.l, v1.l row_shl:1 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x01,0x01,0xff]
 
-v_trunc_f16 v5, v1 row_shl:15
-// GFX11: v_trunc_f16_dpp v5, v1 row_shl:15 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x0f,0x01,0xff]
+v_trunc_f16 v5.l, v1.l row_shl:15
+// GFX11: v_trunc_f16_dpp v5.l, v1.l row_shl:15 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x0f,0x01,0xff]
 
-v_trunc_f16 v5, v1 row_shr:1
-// GFX11: v_trunc_f16_dpp v5, v1 row_shr:1 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x11,0x01,0xff]
+v_trunc_f16 v5.l, v1.l row_shr:1
+// GFX11: v_trunc_f16_dpp v5.l, v1.l row_shr:1 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x11,0x01,0xff]
 
-v_trunc_f16 v5, v1 row_shr:15
-// GFX11: v_trunc_f16_dpp v5, v1 row_shr:15 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x1f,0x01,0xff]
+v_trunc_f16 v5.l, v1.l row_shr:15
+// GFX11: v_trunc_f16_dpp v5.l, v1.l row_shr:15 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x1f,0x01,0xff]
 
-v_trunc_f16 v5, v1 row_ror:1
-// GFX11: v_trunc_f16_dpp v5, v1 row_ror:1 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x21,0x01,0xff]
+v_trunc_f16 v5.l, v1.l row_ror:1
+// GFX11: v_trunc_f16_dpp v5.l, v1.l row_ror:1 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x21,0x01,0xff]
 
-v_trunc_f16 v5, v1 row_ror:15
-// GFX11: v_trunc_f16_dpp v5, v1 row_ror:15 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x2f,0x01,0xff]
+v_trunc_f16 v5.l, v1.l row_ror:15
+// GFX11: v_trunc_f16_dpp v5.l, v1.l row_ror:15 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x2f,0x01,0xff]
 
-v_trunc_f16 v5, v1 row_share:0 row_mask:0xf bank_mask:0xf
-// GFX11: v_trunc_f16_dpp v5, v1 row_share:0 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x50,0x01,0xff]
+v_trunc_f16 v5.l, v1.l row_share:0 row_mask:0xf bank_mask:0xf
+// GFX11: v_trunc_f16_dpp v5.l, v1.l row_share:0 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x50,0x01,0xff]
 
-v_trunc_f16 v5, v1 row_share:15 row_mask:0x0 bank_mask:0x1
-// GFX11: v_trunc_f16_dpp v5, v1 row_share:15 row_mask:0x0 bank_mask:0x1 ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x5f,0x01,0x01]
+v_trunc_f16 v5.l, v1.l row_share:15 row_mask:0x0 bank_mask:0x1
+// GFX11: v_trunc_f16_dpp v5.l, v1.l row_share:15 row_mask:0x0 bank_mask:0x1 ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x5f,0x01,0x01]
 
-v_trunc_f16 v5, v1 row_xmask:0 row_mask:0x1 bank_mask:0x3 bound_ctrl:1 fi:0
-// GFX11: v_trunc_f16_dpp v5, v1 row_xmask:0 row_mask:0x1 bank_mask:0x3 bound_ctrl:1 ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x60,0x09,0x13]
+v_trunc_f16 v5.l, v1.l row_xmask:0 row_mask:0x1 bank_mask:0x3 bound_ctrl:1
+// GFX11: v_trunc_f16_dpp v5.l, v1.l row_xmask:0 row_mask:0x1 bank_mask:0x3 bound_ctrl:1 ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x60,0x09,0x13]
 
-v_trunc_f16 v127, -|v127| row_xmask:15 row_mask:0x3 bank_mask:0x0 bound_ctrl:0 fi:1
-// GFX11: v_trunc_f16_dpp v127, -|v127| row_xmask:15 row_mask:0x3 bank_mask:0x0 fi:1 ; encoding: [0xfa,0xba,0xfe,0x7e,0x7f,0x6f,0x35,0x30]
+v_trunc_f16 v127.l, -|v127.l| row_xmask:15 row_mask:0x3 bank_mask:0x0 fi:1
+// GFX11: v_trunc_f16_dpp v127.l, -|v127.l| row_xmask:15 row_mask:0x3 bank_mask:0x0 fi:1 ; encoding: [0xfa,0xba,0xfe,0x7e,0x7f,0x6f,0x35,0x30]
+
+v_trunc_f16 v127.l, v127.l row_share:15 row_mask:0x0 bank_mask:0x1
+// GFX11: v_trunc_f16_dpp v127.l, v127.l row_share:15 row_mask:0x0 bank_mask:0x1 ; encoding: [0xfa,0xba,0xfe,0x7e,0x7f,0x5f,0x01,0x01]
+
+v_trunc_f16 v5.h, v1.h row_xmask:0 row_mask:0x1 bank_mask:0x3 bound_ctrl:1 fi:0
+// GFX11: v_trunc_f16_dpp v5.h, v1.h row_xmask:0 row_mask:0x1 bank_mask:0x3 bound_ctrl:1 ; encoding: [0xfa,0xba,0x0a,0x7f,0x81,0x60,0x09,0x13]
+
+v_trunc_f16 v127.h, -|v127.h| row_xmask:15 row_mask:0x3 bank_mask:0x0 bound_ctrl:0 fi:1
+// GFX11: v_trunc_f16_dpp v127.h, -|v127.h| row_xmask:15 row_mask:0x3 bank_mask:0x0 fi:1 ; encoding: [0xfa,0xba,0xfe,0x7f,0xff,0x6f,0x35,0x30]
 
 v_trunc_f32 v5, v1 quad_perm:[3,2,1,0]
 // GFX11: v_trunc_f32_dpp v5, v1 quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0x42,0x0a,0x7e,0x01,0x1b,0x00,0xff]

diff  --git a/llvm/test/MC/AMDGPU/gfx11_asm_vop1_dpp8.s b/llvm/test/MC/AMDGPU/gfx11_asm_vop1_dpp8.s
index 34cb2d097b7a72..5a0ffd04bc5c17 100644
--- a/llvm/test/MC/AMDGPU/gfx11_asm_vop1_dpp8.s
+++ b/llvm/test/MC/AMDGPU/gfx11_asm_vop1_dpp8.s
@@ -644,14 +644,23 @@ v_sqrt_f32 v5, v1 dpp8:[7,6,5,4,3,2,1,0] fi:1
 v_sqrt_f32 v255, v255 dpp8:[0,0,0,0,0,0,0,0] fi:0
 // GFX11: v_sqrt_f32_dpp v255, v255 dpp8:[0,0,0,0,0,0,0,0] ; encoding: [0xe9,0x66,0xfe,0x7f,0xff,0x00,0x00,0x00]
 
-v_trunc_f16 v5, v1 dpp8:[7,6,5,4,3,2,1,0]
-// GFX11: v_trunc_f16_dpp v5, v1 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0xe9,0xba,0x0a,0x7e,0x01,0x77,0x39,0x05]
+v_trunc_f16 v5.l, v1.l dpp8:[7,6,5,4,3,2,1,0]
+// GFX11: v_trunc_f16_dpp v5.l, v1.l dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0xe9,0xba,0x0a,0x7e,0x01,0x77,0x39,0x05]
 
-v_trunc_f16 v5, v1 dpp8:[7,6,5,4,3,2,1,0] fi:1
-// GFX11: v_trunc_f16_dpp v5, v1 dpp8:[7,6,5,4,3,2,1,0] fi:1 ; encoding: [0xea,0xba,0x0a,0x7e,0x01,0x77,0x39,0x05]
+v_trunc_f16 v5.l, v1.l dpp8:[7,6,5,4,3,2,1,0] fi:1
+// GFX11: v_trunc_f16_dpp v5.l, v1.l dpp8:[7,6,5,4,3,2,1,0] fi:1 ; encoding: [0xea,0xba,0x0a,0x7e,0x01,0x77,0x39,0x05]
 
-v_trunc_f16 v127, v127 dpp8:[0,0,0,0,0,0,0,0] fi:0
-// GFX11: v_trunc_f16_dpp v127, v127 dpp8:[0,0,0,0,0,0,0,0] ; encoding: [0xe9,0xba,0xfe,0x7e,0x7f,0x00,0x00,0x00]
+v_trunc_f16 v127.l, v127.l dpp8:[0,0,0,0,0,0,0,0]
+// GFX11: v_trunc_f16_dpp v127.l, v127.l dpp8:[0,0,0,0,0,0,0,0] ; encoding: [0xe9,0xba,0xfe,0x7e,0x7f,0x00,0x00,0x00]
+
+v_trunc_f16 v127.l, v127.l dpp8:[7,6,5,4,3,2,1,0]
+// GFX11: v_trunc_f16_dpp v127.l, v127.l dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0xe9,0xba,0xfe,0x7e,0x7f,0x77,0x39,0x05]
+
+v_trunc_f16 v5.h, v1.h dpp8:[7,6,5,4,3,2,1,0] fi:1
+// GFX11: v_trunc_f16_dpp v5.h, v1.h dpp8:[7,6,5,4,3,2,1,0] fi:1 ; encoding: [0xea,0xba,0x0a,0x7f,0x81,0x77,0x39,0x05]
+
+v_trunc_f16 v127.h, v127.h dpp8:[0,0,0,0,0,0,0,0] fi:0
+// GFX11: v_trunc_f16_dpp v127.h, v127.h dpp8:[0,0,0,0,0,0,0,0] ; encoding: [0xe9,0xba,0xfe,0x7f,0xff,0x00,0x00,0x00]
 
 v_trunc_f32 v5, v1 dpp8:[7,6,5,4,3,2,1,0]
 // GFX11: v_trunc_f32_dpp v5, v1 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0xe9,0x42,0x0a,0x7e,0x01,0x77,0x39,0x05]

diff  --git a/llvm/test/MC/AMDGPU/gfx11_asm_vop1_t16_err.s b/llvm/test/MC/AMDGPU/gfx11_asm_vop1_t16_err.s
index 9c5693de3d8b1b..92882cb89e201d 100644
--- a/llvm/test/MC/AMDGPU/gfx11_asm_vop1_t16_err.s
+++ b/llvm/test/MC/AMDGPU/gfx11_asm_vop1_t16_err.s
@@ -1,4 +1,4 @@
-; NOTE: Assertions have been autogenerated by utils/update_mc_test_checks.py UTC_ARGS: --version 5
+// NOTE: Assertions have been autogenerated by utils/update_mc_test_checks.py UTC_ARGS: --version 5
 // RUN: not llvm-mc -triple=amdgcn -mcpu=gfx1100 -mattr=+real-true16,+wavefrontsize32 -show-encoding %s 2>&1 | FileCheck --check-prefix=GFX11 --implicit-check-not=error: %s
 // RUN: not llvm-mc -triple=amdgcn -mcpu=gfx1100 -mattr=+real-true16,+wavefrontsize64 -show-encoding %s 2>&1 | FileCheck --check-prefix=GFX11 --implicit-check-not=error: %s
 
@@ -812,6 +812,12 @@ v_swap_b16_e32 v128.l, v0.l
 v_trunc_f16_e32 v128, 0xfe0b
 // GFX11: :[[@LINE-1]]:1: error: operands are not valid for this GPU or mode
 
+v_trunc_f16_e32 v128.h, 0xfe0b
+// GFX11: :[[@LINE-1]]:17: error: invalid operand for instruction
+
+v_trunc_f16_e32 v128.l, 0xfe0b
+// GFX11: :[[@LINE-1]]:17: error: invalid operand for instruction
+
 v_trunc_f16_e32 v255, v1
 // GFX11: :[[@LINE-1]]:1: error: operands are not valid for this GPU or mode
 
@@ -821,6 +827,24 @@ v_trunc_f16_e32 v255, v1 dpp8:[7,6,5,4,3,2,1,0]
 v_trunc_f16_e32 v255, v1 quad_perm:[3,2,1,0]
 // GFX11: :[[@LINE-1]]:26: error: invalid operand for instruction
 
+v_trunc_f16_e32 v255.h, v1.h
+// GFX11: :[[@LINE-1]]:17: error: invalid operand for instruction
+
+v_trunc_f16_e32 v255.h, v1.h dpp8:[7,6,5,4,3,2,1,0]
+// GFX11: :[[@LINE-1]]:17: error: invalid operand for instruction
+
+v_trunc_f16_e32 v255.h, v1.h quad_perm:[3,2,1,0]
+// GFX11: :[[@LINE-1]]:17: error: invalid operand for instruction
+
+v_trunc_f16_e32 v255.l, v1.l
+// GFX11: :[[@LINE-1]]:17: error: invalid operand for instruction
+
+v_trunc_f16_e32 v255.l, v1.l dpp8:[7,6,5,4,3,2,1,0]
+// GFX11: :[[@LINE-1]]:17: error: invalid operand for instruction
+
+v_trunc_f16_e32 v255.l, v1.l quad_perm:[3,2,1,0]
+// GFX11: :[[@LINE-1]]:17: error: invalid operand for instruction
+
 v_trunc_f16_e32 v5, v199
 // GFX11: :[[@LINE-1]]:1: error: operands are not valid for this GPU or mode
 
@@ -829,3 +853,21 @@ v_trunc_f16_e32 v5, v199 dpp8:[7,6,5,4,3,2,1,0]
 
 v_trunc_f16_e32 v5, v199 quad_perm:[3,2,1,0]
 // GFX11: :[[@LINE-1]]:26: error: invalid operand for instruction
+
+v_trunc_f16_e32 v5.h, v199.h
+// GFX11: :[[@LINE-1]]:23: error: invalid operand for instruction
+
+v_trunc_f16_e32 v5.h, v199.h dpp8:[7,6,5,4,3,2,1,0]
+// GFX11: :[[@LINE-1]]:23: error: invalid operand for instruction
+
+v_trunc_f16_e32 v5.h, v199.h quad_perm:[3,2,1,0]
+// GFX11: :[[@LINE-1]]:23: error: invalid operand for instruction
+
+v_trunc_f16_e32 v5.l, v199.l
+// GFX11: :[[@LINE-1]]:23: error: invalid operand for instruction
+
+v_trunc_f16_e32 v5.l, v199.l dpp8:[7,6,5,4,3,2,1,0]
+// GFX11: :[[@LINE-1]]:23: error: invalid operand for instruction
+
+v_trunc_f16_e32 v5.l, v199.l quad_perm:[3,2,1,0]
+// GFX11: :[[@LINE-1]]:23: error: invalid operand for instruction

diff  --git a/llvm/test/MC/AMDGPU/gfx11_asm_vop1_t16_promote.s b/llvm/test/MC/AMDGPU/gfx11_asm_vop1_t16_promote.s
index fa6ab407f87c7c..d97c8ed844dbb5 100644
--- a/llvm/test/MC/AMDGPU/gfx11_asm_vop1_t16_promote.s
+++ b/llvm/test/MC/AMDGPU/gfx11_asm_vop1_t16_promote.s
@@ -1,4 +1,4 @@
-; NOTE: Assertions have been autogenerated by utils/update_mc_test_checks.py UTC_ARGS: --version 5
+// NOTE: Assertions have been autogenerated by utils/update_mc_test_checks.py UTC_ARGS: --version 5
 // RUN: llvm-mc -triple=amdgcn -mcpu=gfx1100 -mattr=+wavefrontsize32,+real-true16 -show-encoding %s | FileCheck --check-prefix=GFX11 --implicit-check-not=_e32 %s
 // RUN: llvm-mc -triple=amdgcn -mcpu=gfx1100 -mattr=+wavefrontsize64,+real-true16 -show-encoding %s | FileCheck --check-prefix=GFX11 --implicit-check-not=_e32 %s
 
@@ -1952,69 +1952,134 @@ v_sqrt_f16 v5, v199 dpp8:[7,6,5,4,3,2,1,0]
 v_sqrt_f16 v5, v199 quad_perm:[3,2,1,0]
 // GFX11: v_sqrt_f16_e64_dpp v5, v199 quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xd5,0xd5,0xfa,0x00,0x00,0x00,0xc7,0x1b,0x00,0xff]
 
-v_trunc_f16 v128, 0xfe0b
-// GFX11: v_trunc_f16_e64 v128, 0xfe0b            ; encoding: [0x80,0x00,0xdd,0xd5,0xff,0x00,0x00,0x00,0x0b,0xfe,0x00,0x00]
+v_trunc_f16 v128.h, 0xfe0b
+// GFX11: v_trunc_f16_e64 v128.h, 0xfe0b op_sel:[0,1] ; encoding: [0x80,0x40,0xdd,0xd5,0xff,0x00,0x00,0x00,0x0b,0xfe,0x00,0x00]
 
-v_trunc_f16 v255, -1
-// GFX11: v_trunc_f16_e64 v255, -1                ; encoding: [0xff,0x00,0xdd,0xd5,0xc1,0x00,0x00,0x00]
+v_trunc_f16 v128.l, 0xfe0b
+// GFX11: v_trunc_f16_e64 v128.l, 0xfe0b          ; encoding: [0x80,0x00,0xdd,0xd5,0xff,0x00,0x00,0x00,0x0b,0xfe,0x00,0x00]
 
-v_trunc_f16 v255, 0.5
-// GFX11: v_trunc_f16_e64 v255, 0.5               ; encoding: [0xff,0x00,0xdd,0xd5,0xf0,0x00,0x00,0x00]
+v_trunc_f16 v255.h, -1
+// GFX11: v_trunc_f16_e64 v255.h, -1 op_sel:[0,1] ; encoding: [0xff,0x40,0xdd,0xd5,0xc1,0x00,0x00,0x00]
 
-v_trunc_f16 v255, exec_hi
-// GFX11: v_trunc_f16_e64 v255, exec_hi           ; encoding: [0xff,0x00,0xdd,0xd5,0x7f,0x00,0x00,0x00]
+v_trunc_f16 v255.h, 0.5
+// GFX11: v_trunc_f16_e64 v255.h, 0.5 op_sel:[0,1] ; encoding: [0xff,0x40,0xdd,0xd5,0xf0,0x00,0x00,0x00]
 
-v_trunc_f16 v255, exec_lo
-// GFX11: v_trunc_f16_e64 v255, exec_lo           ; encoding: [0xff,0x00,0xdd,0xd5,0x7e,0x00,0x00,0x00]
+v_trunc_f16 v255.h, exec_hi
+// GFX11: v_trunc_f16_e64 v255.h, exec_hi op_sel:[0,1] ; encoding: [0xff,0x40,0xdd,0xd5,0x7f,0x00,0x00,0x00]
 
-v_trunc_f16 v255, m0
-// GFX11: v_trunc_f16_e64 v255, m0                ; encoding: [0xff,0x00,0xdd,0xd5,0x7d,0x00,0x00,0x00]
+v_trunc_f16 v255.h, exec_lo
+// GFX11: v_trunc_f16_e64 v255.h, exec_lo op_sel:[0,1] ; encoding: [0xff,0x40,0xdd,0xd5,0x7e,0x00,0x00,0x00]
 
-v_trunc_f16 v255, null
-// GFX11: v_trunc_f16_e64 v255, null              ; encoding: [0xff,0x00,0xdd,0xd5,0x7c,0x00,0x00,0x00]
+v_trunc_f16 v255.h, m0
+// GFX11: v_trunc_f16_e64 v255.h, m0 op_sel:[0,1] ; encoding: [0xff,0x40,0xdd,0xd5,0x7d,0x00,0x00,0x00]
 
-v_trunc_f16 v255, s1
-// GFX11: v_trunc_f16_e64 v255, s1                ; encoding: [0xff,0x00,0xdd,0xd5,0x01,0x00,0x00,0x00]
+v_trunc_f16 v255.h, null
+// GFX11: v_trunc_f16_e64 v255.h, null op_sel:[0,1] ; encoding: [0xff,0x40,0xdd,0xd5,0x7c,0x00,0x00,0x00]
 
-v_trunc_f16 v255, s105
-// GFX11: v_trunc_f16_e64 v255, s105              ; encoding: [0xff,0x00,0xdd,0xd5,0x69,0x00,0x00,0x00]
+v_trunc_f16 v255.h, s1
+// GFX11: v_trunc_f16_e64 v255.h, s1 op_sel:[0,1] ; encoding: [0xff,0x40,0xdd,0xd5,0x01,0x00,0x00,0x00]
 
-v_trunc_f16 v255, src_scc
-// GFX11: v_trunc_f16_e64 v255, src_scc           ; encoding: [0xff,0x00,0xdd,0xd5,0xfd,0x00,0x00,0x00]
+v_trunc_f16 v255.h, s105
+// GFX11: v_trunc_f16_e64 v255.h, s105 op_sel:[0,1] ; encoding: [0xff,0x40,0xdd,0xd5,0x69,0x00,0x00,0x00]
 
-v_trunc_f16 v255, ttmp15
-// GFX11: v_trunc_f16_e64 v255, ttmp15            ; encoding: [0xff,0x00,0xdd,0xd5,0x7b,0x00,0x00,0x00]
+v_trunc_f16 v255.h, src_scc
+// GFX11: v_trunc_f16_e64 v255.h, src_scc op_sel:[0,1] ; encoding: [0xff,0x40,0xdd,0xd5,0xfd,0x00,0x00,0x00]
 
-v_trunc_f16 v255, v1
-// GFX11: v_trunc_f16_e64 v255, v1                ; encoding: [0xff,0x00,0xdd,0xd5,0x01,0x01,0x00,0x00]
+v_trunc_f16 v255.h, ttmp15
+// GFX11: v_trunc_f16_e64 v255.h, ttmp15 op_sel:[0,1] ; encoding: [0xff,0x40,0xdd,0xd5,0x7b,0x00,0x00,0x00]
 
-v_trunc_f16 v255, v1 dpp8:[7,6,5,4,3,2,1,0]
-// GFX11: v_trunc_f16_e64_dpp v255, v1 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0xff,0x00,0xdd,0xd5,0xe9,0x00,0x00,0x00,0x01,0x77,0x39,0x05]
+v_trunc_f16 v255.h, v1.h
+// GFX11: v_trunc_f16_e64 v255.h, v1.h op_sel:[1,1] ; encoding: [0xff,0x48,0xdd,0xd5,0x01,0x01,0x00,0x00]
 
-v_trunc_f16 v255, v1 quad_perm:[3,2,1,0]
-// GFX11: v_trunc_f16_e64_dpp v255, v1 quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xf ; encoding: [0xff,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x1b,0x00,0xff]
+v_trunc_f16 v255.h, v1.h dpp8:[7,6,5,4,3,2,1,0]
+// GFX11: v_trunc_f16_e64_dpp v255.h, v1.h op_sel:[1,1] dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0xff,0x48,0xdd,0xd5,0xe9,0x00,0x00,0x00,0x01,0x77,0x39,0x05]
 
-v_trunc_f16 v255, v127
-// GFX11: v_trunc_f16_e64 v255, v127              ; encoding: [0xff,0x00,0xdd,0xd5,0x7f,0x01,0x00,0x00]
+v_trunc_f16 v255.h, v1.h quad_perm:[3,2,1,0]
+// GFX11: v_trunc_f16_e64_dpp v255.h, v1.h op_sel:[1,1] quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xf ; encoding: [0xff,0x48,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x1b,0x00,0xff]
 
-v_trunc_f16 v255, v127 dpp8:[7,6,5,4,3,2,1,0]
-// GFX11: v_trunc_f16_e64_dpp v255, v127 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0xff,0x00,0xdd,0xd5,0xe9,0x00,0x00,0x00,0x7f,0x77,0x39,0x05]
+v_trunc_f16 v255.h, v127.h
+// GFX11: v_trunc_f16_e64 v255.h, v127.h op_sel:[1,1] ; encoding: [0xff,0x48,0xdd,0xd5,0x7f,0x01,0x00,0x00]
 
-v_trunc_f16 v255, v127 quad_perm:[3,2,1,0]
-// GFX11: v_trunc_f16_e64_dpp v255, v127 quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xf ; encoding: [0xff,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x7f,0x1b,0x00,0xff]
+v_trunc_f16 v255.h, v127.h dpp8:[7,6,5,4,3,2,1,0]
+// GFX11: v_trunc_f16_e64_dpp v255.h, v127.h op_sel:[1,1] dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0xff,0x48,0xdd,0xd5,0xe9,0x00,0x00,0x00,0x7f,0x77,0x39,0x05]
 
-v_trunc_f16 v255, vcc_hi
-// GFX11: v_trunc_f16_e64 v255, vcc_hi            ; encoding: [0xff,0x00,0xdd,0xd5,0x6b,0x00,0x00,0x00]
+v_trunc_f16 v255.h, v127.h quad_perm:[3,2,1,0]
+// GFX11: v_trunc_f16_e64_dpp v255.h, v127.h op_sel:[1,1] quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xf ; encoding: [0xff,0x48,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x7f,0x1b,0x00,0xff]
 
-v_trunc_f16 v255, vcc_lo
-// GFX11: v_trunc_f16_e64 v255, vcc_lo            ; encoding: [0xff,0x00,0xdd,0xd5,0x6a,0x00,0x00,0x00]
+v_trunc_f16 v255.h, vcc_hi
+// GFX11: v_trunc_f16_e64 v255.h, vcc_hi op_sel:[0,1] ; encoding: [0xff,0x40,0xdd,0xd5,0x6b,0x00,0x00,0x00]
 
-v_trunc_f16 v5, v199
-// GFX11: v_trunc_f16_e64 v5, v199                ; encoding: [0x05,0x00,0xdd,0xd5,0xc7,0x01,0x00,0x00]
+v_trunc_f16 v255.h, vcc_lo
+// GFX11: v_trunc_f16_e64 v255.h, vcc_lo op_sel:[0,1] ; encoding: [0xff,0x40,0xdd,0xd5,0x6a,0x00,0x00,0x00]
 
-v_trunc_f16 v5, v199 dpp8:[7,6,5,4,3,2,1,0]
-// GFX11: v_trunc_f16_e64_dpp v5, v199 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0xdd,0xd5,0xe9,0x00,0x00,0x00,0xc7,0x77,0x39,0x05]
+v_trunc_f16 v255.l, -1
+// GFX11: v_trunc_f16_e64 v255.l, -1              ; encoding: [0xff,0x00,0xdd,0xd5,0xc1,0x00,0x00,0x00]
 
+v_trunc_f16 v255.l, 0.5
+// GFX11: v_trunc_f16_e64 v255.l, 0.5             ; encoding: [0xff,0x00,0xdd,0xd5,0xf0,0x00,0x00,0x00]
 
-v_trunc_f16 v5, v199 quad_perm:[3,2,1,0]
-// GFX11: v_trunc_f16_e64_dpp v5, v199 quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0xc7,0x1b,0x00,0xff]
+v_trunc_f16 v255.l, exec_hi
+// GFX11: v_trunc_f16_e64 v255.l, exec_hi         ; encoding: [0xff,0x00,0xdd,0xd5,0x7f,0x00,0x00,0x00]
+
+v_trunc_f16 v255.l, exec_lo
+// GFX11: v_trunc_f16_e64 v255.l, exec_lo         ; encoding: [0xff,0x00,0xdd,0xd5,0x7e,0x00,0x00,0x00]
+
+v_trunc_f16 v255.l, m0
+// GFX11: v_trunc_f16_e64 v255.l, m0              ; encoding: [0xff,0x00,0xdd,0xd5,0x7d,0x00,0x00,0x00]
+
+v_trunc_f16 v255.l, null
+// GFX11: v_trunc_f16_e64 v255.l, null            ; encoding: [0xff,0x00,0xdd,0xd5,0x7c,0x00,0x00,0x00]
+
+v_trunc_f16 v255.l, s1
+// GFX11: v_trunc_f16_e64 v255.l, s1              ; encoding: [0xff,0x00,0xdd,0xd5,0x01,0x00,0x00,0x00]
+
+v_trunc_f16 v255.l, s105
+// GFX11: v_trunc_f16_e64 v255.l, s105            ; encoding: [0xff,0x00,0xdd,0xd5,0x69,0x00,0x00,0x00]
+
+v_trunc_f16 v255.l, src_scc
+// GFX11: v_trunc_f16_e64 v255.l, src_scc         ; encoding: [0xff,0x00,0xdd,0xd5,0xfd,0x00,0x00,0x00]
+
+v_trunc_f16 v255.l, ttmp15
+// GFX11: v_trunc_f16_e64 v255.l, ttmp15          ; encoding: [0xff,0x00,0xdd,0xd5,0x7b,0x00,0x00,0x00]
+
+v_trunc_f16 v255.l, v1.l
+// GFX11: v_trunc_f16_e64 v255.l, v1.l            ; encoding: [0xff,0x00,0xdd,0xd5,0x01,0x01,0x00,0x00]
+
+v_trunc_f16 v255.l, v1.l dpp8:[7,6,5,4,3,2,1,0]
+// GFX11: v_trunc_f16_e64_dpp v255.l, v1.l dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0xff,0x00,0xdd,0xd5,0xe9,0x00,0x00,0x00,0x01,0x77,0x39,0x05]
+
+v_trunc_f16 v255.l, v1.l quad_perm:[3,2,1,0]
+// GFX11: v_trunc_f16_e64_dpp v255.l, v1.l quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xf ; encoding: [0xff,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x1b,0x00,0xff]
+
+v_trunc_f16 v255.l, v127.l
+// GFX11: v_trunc_f16_e64 v255.l, v127.l          ; encoding: [0xff,0x00,0xdd,0xd5,0x7f,0x01,0x00,0x00]
+
+v_trunc_f16 v255.l, v127.l dpp8:[7,6,5,4,3,2,1,0]
+// GFX11: v_trunc_f16_e64_dpp v255.l, v127.l dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0xff,0x00,0xdd,0xd5,0xe9,0x00,0x00,0x00,0x7f,0x77,0x39,0x05]
+
+v_trunc_f16 v255.l, v127.l quad_perm:[3,2,1,0]
+// GFX11: v_trunc_f16_e64_dpp v255.l, v127.l quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xf ; encoding: [0xff,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x7f,0x1b,0x00,0xff]
+
+v_trunc_f16 v255.l, vcc_hi
+// GFX11: v_trunc_f16_e64 v255.l, vcc_hi          ; encoding: [0xff,0x00,0xdd,0xd5,0x6b,0x00,0x00,0x00]
+
+v_trunc_f16 v255.l, vcc_lo
+// GFX11: v_trunc_f16_e64 v255.l, vcc_lo          ; encoding: [0xff,0x00,0xdd,0xd5,0x6a,0x00,0x00,0x00]
+
+v_trunc_f16 v5.h, v199.h
+// GFX11: v_trunc_f16_e64 v5.h, v199.h op_sel:[1,1] ; encoding: [0x05,0x48,0xdd,0xd5,0xc7,0x01,0x00,0x00]
+
+v_trunc_f16 v5.h, v199.h dpp8:[7,6,5,4,3,2,1,0]
+// GFX11: v_trunc_f16_e64_dpp v5.h, v199.h op_sel:[1,1] dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x48,0xdd,0xd5,0xe9,0x00,0x00,0x00,0xc7,0x77,0x39,0x05]
+
+v_trunc_f16 v5.h, v199.h quad_perm:[3,2,1,0]
+// GFX11: v_trunc_f16_e64_dpp v5.h, v199.h op_sel:[1,1] quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x48,0xdd,0xd5,0xfa,0x00,0x00,0x00,0xc7,0x1b,0x00,0xff]
+
+v_trunc_f16 v5.l, v199.l
+// GFX11: v_trunc_f16_e64 v5.l, v199.l            ; encoding: [0x05,0x00,0xdd,0xd5,0xc7,0x01,0x00,0x00]
+
+v_trunc_f16 v5.l, v199.l dpp8:[7,6,5,4,3,2,1,0]
+// GFX11: v_trunc_f16_e64_dpp v5.l, v199.l dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0xdd,0xd5,0xe9,0x00,0x00,0x00,0xc7,0x77,0x39,0x05]
+
+v_trunc_f16 v5.l, v199.l quad_perm:[3,2,1,0]
+// GFX11: v_trunc_f16_e64_dpp v5.l, v199.l quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0xc7,0x1b,0x00,0xff]

diff  --git a/llvm/test/MC/AMDGPU/gfx11_asm_vop3_dpp16_from_vop1.s b/llvm/test/MC/AMDGPU/gfx11_asm_vop3_dpp16_from_vop1.s
index 1bd1a5c5695bcf..6176baf11c552f 100644
--- a/llvm/test/MC/AMDGPU/gfx11_asm_vop3_dpp16_from_vop1.s
+++ b/llvm/test/MC/AMDGPU/gfx11_asm_vop3_dpp16_from_vop1.s
@@ -2866,47 +2866,56 @@ v_sqrt_f32_e64_dpp v5, v1 mul:4 row_xmask:0 row_mask:0x1 bank_mask:0x3 bound_ctr
 v_sqrt_f32_e64_dpp v255, -|v255| clamp div:2 row_xmask:15 row_mask:0x3 bank_mask:0x0 bound_ctrl:0 fi:1
 // GFX11: v_sqrt_f32_e64_dpp v255, -|v255| clamp div:2 row_xmask:15 row_mask:0x3 bank_mask:0x0 fi:1 ; encoding: [0xff,0x81,0xb3,0xd5,0xfa,0x00,0x00,0x38,0xff,0x6f,0x05,0x30]
 
-v_trunc_f16_e64_dpp v5, v1 quad_perm:[3,2,1,0]
-// GFX11: v_trunc_f16_e64_dpp v5, v1 quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x1b,0x00,0xff]
+v_trunc_f16_e64_dpp v5.l, v1.l quad_perm:[3,2,1,0]
+// GFX11: v_trunc_f16_e64_dpp v5.l, v1.l quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x1b,0x00,0xff]
 
-v_trunc_f16_e64_dpp v5, v1 quad_perm:[0,1,2,3]
-// GFX11: v_trunc_f16_e64_dpp v5, v1 quad_perm:[0,1,2,3] row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0xe4,0x00,0xff]
+v_trunc_f16_e64_dpp v5.l, v1.l quad_perm:[0,1,2,3]
+// GFX11: v_trunc_f16_e64_dpp v5.l, v1.l quad_perm:[0,1,2,3] row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0xe4,0x00,0xff]
 
-v_trunc_f16_e64_dpp v5, v1 row_mirror
-// GFX11: v_trunc_f16_e64_dpp v5, v1 row_mirror row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x40,0x01,0xff]
+v_trunc_f16_e64_dpp v5.l, v1.l row_mirror
+// GFX11: v_trunc_f16_e64_dpp v5.l, v1.l row_mirror row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x40,0x01,0xff]
 
-v_trunc_f16_e64_dpp v5, v1 row_half_mirror
-// GFX11: v_trunc_f16_e64_dpp v5, v1 row_half_mirror row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x41,0x01,0xff]
+v_trunc_f16_e64_dpp v5.l, v1.l row_half_mirror
+// GFX11: v_trunc_f16_e64_dpp v5.l, v1.l row_half_mirror row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x41,0x01,0xff]
 
-v_trunc_f16_e64_dpp v5, v1 row_shl:1
-// GFX11: v_trunc_f16_e64_dpp v5, v1 row_shl:1 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x01,0x01,0xff]
+v_trunc_f16_e64_dpp v5.l, v1.l row_shl:1
+// GFX11: v_trunc_f16_e64_dpp v5.l, v1.l row_shl:1 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x01,0x01,0xff]
 
-v_trunc_f16_e64_dpp v5, v1 row_shl:15
-// GFX11: v_trunc_f16_e64_dpp v5, v1 row_shl:15 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x0f,0x01,0xff]
+v_trunc_f16_e64_dpp v5.l, v1.l row_shl:15
+// GFX11: v_trunc_f16_e64_dpp v5.l, v1.l row_shl:15 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x0f,0x01,0xff]
 
-v_trunc_f16_e64_dpp v5, v1 row_shr:1
-// GFX11: v_trunc_f16_e64_dpp v5, v1 row_shr:1 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x11,0x01,0xff]
+v_trunc_f16_e64_dpp v5.l, v1.l row_shr:1
+// GFX11: v_trunc_f16_e64_dpp v5.l, v1.l row_shr:1 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x11,0x01,0xff]
 
-v_trunc_f16_e64_dpp v5, v1 row_shr:15
-// GFX11: v_trunc_f16_e64_dpp v5, v1 row_shr:15 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x1f,0x01,0xff]
+v_trunc_f16_e64_dpp v5.l, v1.l row_shr:15
+// GFX11: v_trunc_f16_e64_dpp v5.l, v1.l row_shr:15 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x1f,0x01,0xff]
 
-v_trunc_f16_e64_dpp v5, v1 row_ror:1
-// GFX11: v_trunc_f16_e64_dpp v5, v1 row_ror:1 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x21,0x01,0xff]
+v_trunc_f16_e64_dpp v5.l, v1.l row_ror:1
+// GFX11: v_trunc_f16_e64_dpp v5.l, v1.l row_ror:1 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x21,0x01,0xff]
 
-v_trunc_f16_e64_dpp v5, v1 row_ror:15
-// GFX11: v_trunc_f16_e64_dpp v5, v1 row_ror:15 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x2f,0x01,0xff]
+v_trunc_f16_e64_dpp v5.l, v1.l row_ror:15
+// GFX11: v_trunc_f16_e64_dpp v5.l, v1.l row_ror:15 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x2f,0x01,0xff]
 
-v_trunc_f16_e64_dpp v5, v1 row_share:0 row_mask:0xf bank_mask:0xf
-// GFX11: v_trunc_f16_e64_dpp v5, v1 row_share:0 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x50,0x01,0xff]
+v_trunc_f16_e64_dpp v5.l, v1.l row_share:0 row_mask:0xf bank_mask:0xf
+// GFX11: v_trunc_f16_e64_dpp v5.l, v1.l row_share:0 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x50,0x01,0xff]
 
-v_trunc_f16_e64_dpp v5, v1 mul:2 row_share:15 row_mask:0x0 bank_mask:0x1
-// GFX11: v_trunc_f16_e64_dpp v5, v1 mul:2 row_share:15 row_mask:0x0 bank_mask:0x1 ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x08,0x01,0x5f,0x01,0x01]
+v_trunc_f16_e64_dpp v5.l, v1.l mul:2 row_share:15 row_mask:0x0 bank_mask:0x1
+// GFX11: v_trunc_f16_e64_dpp v5.l, v1.l mul:2 row_share:15 row_mask:0x0 bank_mask:0x1 ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x08,0x01,0x5f,0x01,0x01]
 
-v_trunc_f16_e64_dpp v5, v1 mul:4 row_xmask:0 row_mask:0x1 bank_mask:0x3 bound_ctrl:1 fi:0
-// GFX11: v_trunc_f16_e64_dpp v5, v1 mul:4 row_xmask:0 row_mask:0x1 bank_mask:0x3 bound_ctrl:1 ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x10,0x01,0x60,0x09,0x13]
+v_trunc_f16_e64_dpp v5.l, v1.l mul:4 row_xmask:0 row_mask:0x1 bank_mask:0x3 bound_ctrl:1 fi:0
+// GFX11: v_trunc_f16_e64_dpp v5.l, v1.l mul:4 row_xmask:0 row_mask:0x1 bank_mask:0x3 bound_ctrl:1 ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x10,0x01,0x60,0x09,0x13]
 
-v_trunc_f16_e64_dpp v255, -|v255| clamp div:2 row_xmask:15 row_mask:0x3 bank_mask:0x0 bound_ctrl:0 fi:1
-// GFX11: v_trunc_f16_e64_dpp v255, -|v255| clamp div:2 row_xmask:15 row_mask:0x3 bank_mask:0x0 fi:1 ; encoding: [0xff,0x81,0xdd,0xd5,0xfa,0x00,0x00,0x38,0xff,0x6f,0x05,0x30]
+v_trunc_f16_e64_dpp v255.l, -|v255.l| clamp div:2 row_xmask:15 row_mask:0x3 bank_mask:0x0 bound_ctrl:0 fi:1
+// GFX11: v_trunc_f16_e64_dpp v255.l, -|v255.l| clamp div:2 row_xmask:15 row_mask:0x3 bank_mask:0x0 fi:1 ; encoding: [0xff,0x81,0xdd,0xd5,0xfa,0x00,0x00,0x38,0xff,0x6f,0x05,0x30]
+
+v_trunc_f16_e64_dpp v5.h, v1.h mul:2 row_share:15 row_mask:0x0 bank_mask:0x1
+// GFX11: [0x05,0x48,0xdd,0xd5,0xfa,0x00,0x00,0x08,0x01,0x5f,0x01,0x01]
+
+v_trunc_f16_e64_dpp v5.l, v1.h mul:4 row_xmask:0 row_mask:0x1 bank_mask:0x3 bound_ctrl:1 fi:0
+// GFX11: [0x05,0x08,0xdd,0xd5,0xfa,0x00,0x00,0x10,0x01,0x60,0x09,0x13]
+
+v_trunc_f16_e64_dpp v255.h, -|v255.l| clamp div:2 row_xmask:15 row_mask:0x3 bank_mask:0x0 bound_ctrl:0 fi:1
+// GFX11: [0xff,0xc1,0xdd,0xd5,0xfa,0x00,0x00,0x38,0xff,0x6f,0x05,0x30]
 
 v_trunc_f32_e64_dpp v5, v1 quad_perm:[3,2,1,0]
 // GFX11: v_trunc_f32_e64_dpp v5, v1 quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xa1,0xd5,0xfa,0x00,0x00,0x00,0x01,0x1b,0x00,0xff]

diff  --git a/llvm/test/MC/AMDGPU/gfx11_asm_vop3_dpp8_from_vop1.s b/llvm/test/MC/AMDGPU/gfx11_asm_vop3_dpp8_from_vop1.s
index 65af1c18299021..f3c8c8a69fbe56 100644
--- a/llvm/test/MC/AMDGPU/gfx11_asm_vop3_dpp8_from_vop1.s
+++ b/llvm/test/MC/AMDGPU/gfx11_asm_vop3_dpp8_from_vop1.s
@@ -829,17 +829,26 @@ v_sqrt_f32_e64_dpp v5, v1 mul:4 dpp8:[7,6,5,4,3,2,1,0] fi:1
 v_sqrt_f32_e64_dpp v255, -|v255| clamp div:2 dpp8:[0,0,0,0,0,0,0,0] fi:0
 // GFX11: v_sqrt_f32_e64_dpp v255, -|v255| clamp div:2 dpp8:[0,0,0,0,0,0,0,0] ; encoding: [0xff,0x81,0xb3,0xd5,0xe9,0x00,0x00,0x38,0xff,0x00,0x00,0x00]
 
-v_trunc_f16_e64_dpp v5, v1 dpp8:[7,6,5,4,3,2,1,0]
-// GFX11: v_trunc_f16_e64_dpp v5, v1 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0xdd,0xd5,0xe9,0x00,0x00,0x00,0x01,0x77,0x39,0x05]
+v_trunc_f16_e64_dpp v5.l, v1.l dpp8:[7,6,5,4,3,2,1,0]
+// GFX11: v_trunc_f16_e64_dpp v5.l, v1.l dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0xdd,0xd5,0xe9,0x00,0x00,0x00,0x01,0x77,0x39,0x05]
 
-v_trunc_f16_e64_dpp v5, v1 mul:2 dpp8:[7,6,5,4,3,2,1,0]
-// GFX11: v_trunc_f16_e64_dpp v5, v1 mul:2 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0xdd,0xd5,0xe9,0x00,0x00,0x08,0x01,0x77,0x39,0x05]
+v_trunc_f16_e64_dpp v5.l, v1.l mul:2 dpp8:[7,6,5,4,3,2,1,0]
+// GFX11: v_trunc_f16_e64_dpp v5.l, v1.l mul:2 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0xdd,0xd5,0xe9,0x00,0x00,0x08,0x01,0x77,0x39,0x05]
 
-v_trunc_f16_e64_dpp v5, v1 mul:4 dpp8:[7,6,5,4,3,2,1,0] fi:1
-// GFX11: v_trunc_f16_e64_dpp v5, v1 mul:4 dpp8:[7,6,5,4,3,2,1,0] fi:1 ; encoding: [0x05,0x00,0xdd,0xd5,0xea,0x00,0x00,0x10,0x01,0x77,0x39,0x05]
+v_trunc_f16_e64_dpp v5.l, v1.l mul:4 dpp8:[7,6,5,4,3,2,1,0] fi:1
+// GFX11: v_trunc_f16_e64_dpp v5.l, v1.l mul:4 dpp8:[7,6,5,4,3,2,1,0] fi:1 ; encoding: [0x05,0x00,0xdd,0xd5,0xea,0x00,0x00,0x10,0x01,0x77,0x39,0x05]
 
-v_trunc_f16_e64_dpp v255, -|v255| clamp div:2 dpp8:[0,0,0,0,0,0,0,0] fi:0
-// GFX11: v_trunc_f16_e64_dpp v255, -|v255| clamp div:2 dpp8:[0,0,0,0,0,0,0,0] ; encoding: [0xff,0x81,0xdd,0xd5,0xe9,0x00,0x00,0x38,0xff,0x00,0x00,0x00]
+v_trunc_f16_e64_dpp v255.l, -|v255.l| clamp div:2 dpp8:[0,0,0,0,0,0,0,0] fi:0
+// GFX11: v_trunc_f16_e64_dpp v255.l, -|v255.l| clamp div:2 dpp8:[0,0,0,0,0,0,0,0] ; encoding: [0xff,0x81,0xdd,0xd5,0xe9,0x00,0x00,0x38,0xff,0x00,0x00,0x00]
+
+v_trunc_f16_e64_dpp v5.h, v1.h mul:2 dpp8:[7,6,5,4,3,2,1,0]
+// GFX11: [0x05,0x48,0xdd,0xd5,0xe9,0x00,0x00,0x08,0x01,0x77,0x39,0x05]
+
+v_trunc_f16_e64_dpp v5.l, v1.h mul:4 dpp8:[7,6,5,4,3,2,1,0] fi:1
+// GFX11: [0x05,0x08,0xdd,0xd5,0xea,0x00,0x00,0x10,0x01,0x77,0x39,0x05]
+
+v_trunc_f16_e64_dpp v255.h, -|v255.l| clamp div:2 dpp8:[0,0,0,0,0,0,0,0] fi:0
+// GFX11: [0xff,0xc1,0xdd,0xd5,0xe9,0x00,0x00,0x38,0xff,0x00,0x00,0x00]
 
 v_trunc_f32_e64_dpp v5, v1 dpp8:[7,6,5,4,3,2,1,0]
 // GFX11: v_trunc_f32_e64_dpp v5, v1 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0xa1,0xd5,0xe9,0x00,0x00,0x00,0x01,0x77,0x39,0x05]

diff  --git a/llvm/test/MC/AMDGPU/gfx11_asm_vop3_from_vop1.s b/llvm/test/MC/AMDGPU/gfx11_asm_vop3_from_vop1.s
index 1108887c26ed44..9020017c861064 100644
--- a/llvm/test/MC/AMDGPU/gfx11_asm_vop3_from_vop1.s
+++ b/llvm/test/MC/AMDGPU/gfx11_asm_vop3_from_vop1.s
@@ -3454,50 +3454,59 @@ v_sqrt_f64_e64 v[5:6], -|src_scc| mul:4
 v_sqrt_f64_e64 v[254:255], 0xaf123456 clamp div:2
 // GFX11: v_sqrt_f64_e64 v[254:255], 0xaf123456 clamp div:2 ; encoding: [0xfe,0x80,0xb4,0xd5,0xff,0x00,0x00,0x18,0x56,0x34,0x12,0xaf]
 
-v_trunc_f16_e64 v5, v1
-// GFX11: v_trunc_f16_e64 v5, v1                  ; encoding: [0x05,0x00,0xdd,0xd5,0x01,0x01,0x00,0x00]
+v_trunc_f16_e64 v5.l, v1.l
+// GFX11: v_trunc_f16_e64 v5.l, v1.l              ; encoding: [0x05,0x00,0xdd,0xd5,0x01,0x01,0x00,0x00]
 
-v_trunc_f16_e64 v5, v255
-// GFX11: v_trunc_f16_e64 v5, v255                ; encoding: [0x05,0x00,0xdd,0xd5,0xff,0x01,0x00,0x00]
+v_trunc_f16_e64 v5.l, v255.l
+// GFX11: v_trunc_f16_e64 v5.l, v255.l            ; encoding: [0x05,0x00,0xdd,0xd5,0xff,0x01,0x00,0x00]
 
-v_trunc_f16_e64 v5, s1
-// GFX11: v_trunc_f16_e64 v5, s1                  ; encoding: [0x05,0x00,0xdd,0xd5,0x01,0x00,0x00,0x00]
+v_trunc_f16_e64 v5.l, s1
+// GFX11: v_trunc_f16_e64 v5.l, s1                ; encoding: [0x05,0x00,0xdd,0xd5,0x01,0x00,0x00,0x00]
 
-v_trunc_f16_e64 v5, s105
-// GFX11: v_trunc_f16_e64 v5, s105                ; encoding: [0x05,0x00,0xdd,0xd5,0x69,0x00,0x00,0x00]
+v_trunc_f16_e64 v5.l, s105
+// GFX11: v_trunc_f16_e64 v5.l, s105              ; encoding: [0x05,0x00,0xdd,0xd5,0x69,0x00,0x00,0x00]
 
-v_trunc_f16_e64 v5, vcc_lo
-// GFX11: v_trunc_f16_e64 v5, vcc_lo              ; encoding: [0x05,0x00,0xdd,0xd5,0x6a,0x00,0x00,0x00]
+v_trunc_f16_e64 v5.l, vcc_lo
+// GFX11: v_trunc_f16_e64 v5.l, vcc_lo            ; encoding: [0x05,0x00,0xdd,0xd5,0x6a,0x00,0x00,0x00]
 
-v_trunc_f16_e64 v5, vcc_hi
-// GFX11: v_trunc_f16_e64 v5, vcc_hi              ; encoding: [0x05,0x00,0xdd,0xd5,0x6b,0x00,0x00,0x00]
+v_trunc_f16_e64 v5.l, vcc_hi
+// GFX11: v_trunc_f16_e64 v5.l, vcc_hi            ; encoding: [0x05,0x00,0xdd,0xd5,0x6b,0x00,0x00,0x00]
 
-v_trunc_f16_e64 v5, ttmp15
-// GFX11: v_trunc_f16_e64 v5, ttmp15              ; encoding: [0x05,0x00,0xdd,0xd5,0x7b,0x00,0x00,0x00]
+v_trunc_f16_e64 v5.l, ttmp15
+// GFX11: v_trunc_f16_e64 v5.l, ttmp15            ; encoding: [0x05,0x00,0xdd,0xd5,0x7b,0x00,0x00,0x00]
 
-v_trunc_f16_e64 v5, m0
-// GFX11: v_trunc_f16_e64 v5, m0                  ; encoding: [0x05,0x00,0xdd,0xd5,0x7d,0x00,0x00,0x00]
+v_trunc_f16_e64 v5.l, m0
+// GFX11: v_trunc_f16_e64 v5.l, m0                ; encoding: [0x05,0x00,0xdd,0xd5,0x7d,0x00,0x00,0x00]
 
-v_trunc_f16_e64 v5, exec_lo
-// GFX11: v_trunc_f16_e64 v5, exec_lo             ; encoding: [0x05,0x00,0xdd,0xd5,0x7e,0x00,0x00,0x00]
+v_trunc_f16_e64 v5.l, exec_lo
+// GFX11: v_trunc_f16_e64 v5.l, exec_lo           ; encoding: [0x05,0x00,0xdd,0xd5,0x7e,0x00,0x00,0x00]
 
-v_trunc_f16_e64 v5, exec_hi
-// GFX11: v_trunc_f16_e64 v5, exec_hi             ; encoding: [0x05,0x00,0xdd,0xd5,0x7f,0x00,0x00,0x00]
+v_trunc_f16_e64 v5.l, exec_hi
+// GFX11: v_trunc_f16_e64 v5.l, exec_hi           ; encoding: [0x05,0x00,0xdd,0xd5,0x7f,0x00,0x00,0x00]
 
-v_trunc_f16_e64 v5, null
-// GFX11: v_trunc_f16_e64 v5, null                ; encoding: [0x05,0x00,0xdd,0xd5,0x7c,0x00,0x00,0x00]
+v_trunc_f16_e64 v5.l, null
+// GFX11: v_trunc_f16_e64 v5.l, null              ; encoding: [0x05,0x00,0xdd,0xd5,0x7c,0x00,0x00,0x00]
 
-v_trunc_f16_e64 v5, -1
-// GFX11: v_trunc_f16_e64 v5, -1                  ; encoding: [0x05,0x00,0xdd,0xd5,0xc1,0x00,0x00,0x00]
+v_trunc_f16_e64 v5.l, -1
+// GFX11: v_trunc_f16_e64 v5.l, -1                ; encoding: [0x05,0x00,0xdd,0xd5,0xc1,0x00,0x00,0x00]
 
-v_trunc_f16_e64 v5, 0.5 mul:2
-// GFX11: v_trunc_f16_e64 v5, 0.5 mul:2           ; encoding: [0x05,0x00,0xdd,0xd5,0xf0,0x00,0x00,0x08]
+v_trunc_f16_e64 v5.l, 0.5 mul:2
+// GFX11: v_trunc_f16_e64 v5.l, 0.5 mul:2         ; encoding: [0x05,0x00,0xdd,0xd5,0xf0,0x00,0x00,0x08]
 
-v_trunc_f16_e64 v5, src_scc mul:4
-// GFX11: v_trunc_f16_e64 v5, src_scc mul:4       ; encoding: [0x05,0x00,0xdd,0xd5,0xfd,0x00,0x00,0x10]
+v_trunc_f16_e64 v5.l, src_scc mul:4
+// GFX11: v_trunc_f16_e64 v5.l, src_scc mul:4     ; encoding: [0x05,0x00,0xdd,0xd5,0xfd,0x00,0x00,0x10]
 
-v_trunc_f16_e64 v255, -|0xfe0b| clamp div:2
-// GFX11: v_trunc_f16_e64 v255, -|0xfe0b| clamp div:2 ; encoding: [0xff,0x81,0xdd,0xd5,0xff,0x00,0x00,0x38,0x0b,0xfe,0x00,0x00]
+v_trunc_f16_e64 v255.l, -|0xfe0b| clamp div:2
+// GFX11: v_trunc_f16_e64 v255.l, -|0xfe0b| clamp div:2 ; encoding: [0xff,0x81,0xdd,0xd5,0xff,0x00,0x00,0x38,0x0b,0xfe,0x00,0x00]
+
+v_trunc_f16_e64 v5.h, v1.h
+// GFX11: [0x05,0x48,0xdd,0xd5,0x01,0x01,0x00,0x00]
+
+v_trunc_f16_e64 v5.l, v255.h
+// GFX11: [0x05,0x08,0xdd,0xd5,0xff,0x01,0x00,0x00]
+
+v_trunc_f16_e64 v255.h, -|0xfe0b| clamp div:2
+// GFX11: [0xff,0xc1,0xdd,0xd5,0xff,0x00,0x00,0x38,0x0b,0xfe,0x00,0x00]
 
 v_trunc_f32_e64 v5, v1
 // GFX11: v_trunc_f32_e64 v5, v1                  ; encoding: [0x05,0x00,0xa1,0xd5,0x01,0x01,0x00,0x00]

diff  --git a/llvm/test/MC/AMDGPU/gfx12_asm_vop1.s b/llvm/test/MC/AMDGPU/gfx12_asm_vop1.s
index 086356fbca25a0..b125821d1306ee 100644
--- a/llvm/test/MC/AMDGPU/gfx12_asm_vop1.s
+++ b/llvm/test/MC/AMDGPU/gfx12_asm_vop1.s
@@ -3603,50 +3603,62 @@ v_swaprel_b32 v5, v1
 v_swaprel_b32 v255, v255
 // GFX12: v_swaprel_b32 v255, v255 ; encoding: [0xff,0xd1,0xfe,0x7f]
 
-v_trunc_f16 v5, v1
-// GFX12: v_trunc_f16_e32 v5, v1 ; encoding: [0x01,0xbb,0x0a,0x7e]
+v_trunc_f16 v5.l, v1.l
+// GFX12: v_trunc_f16_e32 v5.l, v1.l ; encoding: [0x01,0xbb,0x0a,0x7e]
 
-v_trunc_f16 v5, v127
-// GFX12: v_trunc_f16_e32 v5, v127 ; encoding: [0x7f,0xbb,0x0a,0x7e]
+v_trunc_f16 v5.l, v127.l
+// GFX12: v_trunc_f16_e32 v5.l, v127.l ; encoding: [0x7f,0xbb,0x0a,0x7e]
 
-v_trunc_f16 v5, s1
-// GFX12: v_trunc_f16_e32 v5, s1 ; encoding: [0x01,0xba,0x0a,0x7e]
+v_trunc_f16 v5.l, s1
+// GFX12: v_trunc_f16_e32 v5.l, s1 ; encoding: [0x01,0xba,0x0a,0x7e]
 
-v_trunc_f16 v5, s105
-// GFX12: v_trunc_f16_e32 v5, s105 ; encoding: [0x69,0xba,0x0a,0x7e]
+v_trunc_f16 v5.l, s105
+// GFX12: v_trunc_f16_e32 v5.l, s105 ; encoding: [0x69,0xba,0x0a,0x7e]
 
-v_trunc_f16 v5, vcc_lo
-// GFX12: v_trunc_f16_e32 v5, vcc_lo ; encoding: [0x6a,0xba,0x0a,0x7e]
+v_trunc_f16 v5.l, vcc_lo
+// GFX12: v_trunc_f16_e32 v5.l, vcc_lo ; encoding: [0x6a,0xba,0x0a,0x7e]
 
-v_trunc_f16 v5, vcc_hi
-// GFX12: v_trunc_f16_e32 v5, vcc_hi ; encoding: [0x6b,0xba,0x0a,0x7e]
+v_trunc_f16 v5.l, vcc_hi
+// GFX12: v_trunc_f16_e32 v5.l, vcc_hi ; encoding: [0x6b,0xba,0x0a,0x7e]
 
-v_trunc_f16 v5, ttmp15
-// GFX12: v_trunc_f16_e32 v5, ttmp15 ; encoding: [0x7b,0xba,0x0a,0x7e]
+v_trunc_f16 v5.l, ttmp15
+// GFX12: v_trunc_f16_e32 v5.l, ttmp15 ; encoding: [0x7b,0xba,0x0a,0x7e]
 
-v_trunc_f16 v5, m0
-// GFX12: v_trunc_f16_e32 v5, m0 ; encoding: [0x7d,0xba,0x0a,0x7e]
+v_trunc_f16 v5.l, m0
+// GFX12: v_trunc_f16_e32 v5.l, m0 ; encoding: [0x7d,0xba,0x0a,0x7e]
 
-v_trunc_f16 v5, exec_lo
-// GFX12: v_trunc_f16_e32 v5, exec_lo ; encoding: [0x7e,0xba,0x0a,0x7e]
+v_trunc_f16 v5.l, exec_lo
+// GFX12: v_trunc_f16_e32 v5.l, exec_lo ; encoding: [0x7e,0xba,0x0a,0x7e]
 
-v_trunc_f16 v5, exec_hi
-// GFX12: v_trunc_f16_e32 v5, exec_hi ; encoding: [0x7f,0xba,0x0a,0x7e]
+v_trunc_f16 v5.l, exec_hi
+// GFX12: v_trunc_f16_e32 v5.l, exec_hi ; encoding: [0x7f,0xba,0x0a,0x7e]
 
-v_trunc_f16 v5, null
-// GFX12: v_trunc_f16_e32 v5, null ; encoding: [0x7c,0xba,0x0a,0x7e]
+v_trunc_f16 v5.l, null
+// GFX12: v_trunc_f16_e32 v5.l, null ; encoding: [0x7c,0xba,0x0a,0x7e]
 
-v_trunc_f16 v5, -1
-// GFX12: v_trunc_f16_e32 v5, -1 ; encoding: [0xc1,0xba,0x0a,0x7e]
+v_trunc_f16 v5.l, -1
+// GFX12: v_trunc_f16_e32 v5.l, -1 ; encoding: [0xc1,0xba,0x0a,0x7e]
 
-v_trunc_f16 v5, 0.5
-// GFX12: v_trunc_f16_e32 v5, 0.5 ; encoding: [0xf0,0xba,0x0a,0x7e]
+v_trunc_f16 v5.l, 0.5
+// GFX12: v_trunc_f16_e32 v5.l, 0.5 ; encoding: [0xf0,0xba,0x0a,0x7e]
 
-v_trunc_f16 v5, src_scc
-// GFX12: v_trunc_f16_e32 v5, src_scc ; encoding: [0xfd,0xba,0x0a,0x7e]
+v_trunc_f16 v5.l, src_scc
+// GFX12: v_trunc_f16_e32 v5.l, src_scc ; encoding: [0xfd,0xba,0x0a,0x7e]
 
-v_trunc_f16 v127, 0xfe0b
-// GFX12: v_trunc_f16_e32 v127, 0xfe0b ; encoding: [0xff,0xba,0xfe,0x7e,0x0b,0xfe,0x00,0x00]
+v_trunc_f16 v127.l, 0xfe0b
+// GFX12: v_trunc_f16_e32 v127.l, 0xfe0b ; encoding: [0xff,0xba,0xfe,0x7e,0x0b,0xfe,0x00,0x00]
+
+v_trunc_f16 v5.l, v1.h
+// GFX12: v_trunc_f16_e32 v5.l, v1.h ; encoding: [0x81,0xbb,0x0a,0x7e]
+
+v_trunc_f16 v5.l, v127.h
+// GFX12: v_trunc_f16_e32 v5.l, v127.h ; encoding: [0xff,0xbb,0x0a,0x7e]
+
+v_trunc_f16 v5.h, src_scc
+// GFX12: v_trunc_f16_e32 v5.h, src_scc ; encoding: [0xfd,0xba,0x0a,0x7f]
+
+v_trunc_f16 v127.h, 0xfe0b
+// GFX12: v_trunc_f16_e32 v127.h, 0xfe0b ; encoding: [0xff,0xba,0xfe,0x7f,0x0b,0xfe,0x00,0x00]
 
 v_trunc_f32 v5, v1
 // GFX12: v_trunc_f32_e32 v5, v1 ; encoding: [0x01,0x43,0x0a,0x7e]

diff  --git a/llvm/test/MC/AMDGPU/gfx12_asm_vop1_dpp16.s b/llvm/test/MC/AMDGPU/gfx12_asm_vop1_dpp16.s
index 26e7162206aed9..a625326c1dae45 100644
--- a/llvm/test/MC/AMDGPU/gfx12_asm_vop1_dpp16.s
+++ b/llvm/test/MC/AMDGPU/gfx12_asm_vop1_dpp16.s
@@ -2806,47 +2806,53 @@ v_sqrt_f32 v5, v1 row_xmask:0 row_mask:0x1 bank_mask:0x3 bound_ctrl:1 fi:0
 v_sqrt_f32 v255, -|v255| row_xmask:15 row_mask:0x3 bank_mask:0x0 bound_ctrl:0 fi:1
 // GFX12: v_sqrt_f32_dpp v255, -|v255| row_xmask:15 row_mask:0x3 bank_mask:0x0 fi:1 ; encoding: [0xfa,0x66,0xfe,0x7f,0xff,0x6f,0x35,0x30]
 
-v_trunc_f16 v5, v1 quad_perm:[3,2,1,0]
-// GFX12: v_trunc_f16_dpp v5, v1 quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x1b,0x00,0xff]
+v_trunc_f16 v5.l, v1.l quad_perm:[3,2,1,0]
+// GFX12: v_trunc_f16_dpp v5.l, v1.l quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x1b,0x00,0xff]
 
-v_trunc_f16 v5, v1 quad_perm:[0,1,2,3]
-// GFX12: v_trunc_f16_dpp v5, v1 quad_perm:[0,1,2,3] row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0xe4,0x00,0xff]
+v_trunc_f16 v5.l, v1.l quad_perm:[0,1,2,3]
+// GFX12: v_trunc_f16_dpp v5.l, v1.l quad_perm:[0,1,2,3] row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0xe4,0x00,0xff]
 
-v_trunc_f16 v5, v1 row_mirror
-// GFX12: v_trunc_f16_dpp v5, v1 row_mirror row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x40,0x01,0xff]
+v_trunc_f16 v5.l, v1.l row_mirror
+// GFX12: v_trunc_f16_dpp v5.l, v1.l row_mirror row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x40,0x01,0xff]
 
-v_trunc_f16 v5, v1 row_half_mirror
-// GFX12: v_trunc_f16_dpp v5, v1 row_half_mirror row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x41,0x01,0xff]
+v_trunc_f16 v5.l, v1.l row_half_mirror
+// GFX12: v_trunc_f16_dpp v5.l, v1.l row_half_mirror row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x41,0x01,0xff]
 
-v_trunc_f16 v5, v1 row_shl:1
-// GFX12: v_trunc_f16_dpp v5, v1 row_shl:1 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x01,0x01,0xff]
+v_trunc_f16 v5.l, v1.l row_shl:1
+// GFX12: v_trunc_f16_dpp v5.l, v1.l row_shl:1 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x01,0x01,0xff]
 
-v_trunc_f16 v5, v1 row_shl:15
-// GFX12: v_trunc_f16_dpp v5, v1 row_shl:15 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x0f,0x01,0xff]
+v_trunc_f16 v5.l, v1.l row_shl:15
+// GFX12: v_trunc_f16_dpp v5.l, v1.l row_shl:15 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x0f,0x01,0xff]
 
-v_trunc_f16 v5, v1 row_shr:1
-// GFX12: v_trunc_f16_dpp v5, v1 row_shr:1 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x11,0x01,0xff]
+v_trunc_f16 v5.l, v1.l row_shr:1
+// GFX12: v_trunc_f16_dpp v5.l, v1.l row_shr:1 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x11,0x01,0xff]
 
-v_trunc_f16 v5, v1 row_shr:15
-// GFX12: v_trunc_f16_dpp v5, v1 row_shr:15 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x1f,0x01,0xff]
+v_trunc_f16 v5.l, v1.l row_shr:15
+// GFX12: v_trunc_f16_dpp v5.l, v1.l row_shr:15 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x1f,0x01,0xff]
 
-v_trunc_f16 v5, v1 row_ror:1
-// GFX12: v_trunc_f16_dpp v5, v1 row_ror:1 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x21,0x01,0xff]
+v_trunc_f16 v5.l, v1.l row_ror:1
+// GFX12: v_trunc_f16_dpp v5.l, v1.l row_ror:1 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x21,0x01,0xff]
 
-v_trunc_f16 v5, v1 row_ror:15
-// GFX12: v_trunc_f16_dpp v5, v1 row_ror:15 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x2f,0x01,0xff]
+v_trunc_f16 v5.l, v1.l row_ror:15
+// GFX12: v_trunc_f16_dpp v5.l, v1.l row_ror:15 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x2f,0x01,0xff]
 
-v_trunc_f16 v5, v1 row_share:0 row_mask:0xf bank_mask:0xf
-// GFX12: v_trunc_f16_dpp v5, v1 row_share:0 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x50,0x01,0xff]
+v_trunc_f16 v5.l, v1.l row_share:0 row_mask:0xf bank_mask:0xf
+// GFX12: v_trunc_f16_dpp v5.l, v1.l row_share:0 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x50,0x01,0xff]
 
-v_trunc_f16 v5, v1 row_share:15 row_mask:0x0 bank_mask:0x1
-// GFX12: v_trunc_f16_dpp v5, v1 row_share:15 row_mask:0x0 bank_mask:0x1 ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x5f,0x01,0x01]
+v_trunc_f16 v5.l, v1.l row_share:15 row_mask:0x0 bank_mask:0x1
+// GFX12: v_trunc_f16_dpp v5.l, v1.l row_share:15 row_mask:0x0 bank_mask:0x1 ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x5f,0x01,0x01]
 
-v_trunc_f16 v5, v1 row_xmask:0 row_mask:0x1 bank_mask:0x3 bound_ctrl:1 fi:0
-// GFX12: v_trunc_f16_dpp v5, v1 row_xmask:0 row_mask:0x1 bank_mask:0x3 bound_ctrl:1 ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x60,0x09,0x13]
+v_trunc_f16 v5.l, v1.l row_xmask:0 row_mask:0x1 bank_mask:0x3 bound_ctrl:1 fi:0
+// GFX12: v_trunc_f16_dpp v5.l, v1.l row_xmask:0 row_mask:0x1 bank_mask:0x3 bound_ctrl:1 ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x60,0x09,0x13]
 
-v_trunc_f16 v127, -|v127| row_xmask:15 row_mask:0x3 bank_mask:0x0 bound_ctrl:0 fi:1
-// GFX12: v_trunc_f16_dpp v127, -|v127| row_xmask:15 row_mask:0x3 bank_mask:0x0 fi:1 ; encoding: [0xfa,0xba,0xfe,0x7e,0x7f,0x6f,0x35,0x30]
+v_trunc_f16 v127.l, -|v127.l| row_xmask:15 row_mask:0x3 bank_mask:0x0 bound_ctrl:0 fi:1
+// GFX12: v_trunc_f16_dpp v127.l, -|v127.l| row_xmask:15 row_mask:0x3 bank_mask:0x0 fi:1 ; encoding: [0xfa,0xba,0xfe,0x7e,0x7f,0x6f,0x35,0x30]
+
+v_trunc_f16 v5.h, v1.h row_xmask:0 row_mask:0x1 bank_mask:0x3 bound_ctrl:1 fi:0
+// GFX12: v_trunc_f16_dpp v5.h, v1.h row_xmask:0 row_mask:0x1 bank_mask:0x3 bound_ctrl:1 ; encoding: [0xfa,0xba,0x0a,0x7f,0x81,0x60,0x09,0x13]
+
+v_trunc_f16 v127.h, -|v127.h| row_xmask:15 row_mask:0x3 bank_mask:0x0 bound_ctrl:0 fi:1
+// GFX12: v_trunc_f16_dpp v127.h, -|v127.h| row_xmask:15 row_mask:0x3 bank_mask:0x0 fi:1 ; encoding: [0xfa,0xba,0xfe,0x7f,0xff,0x6f,0x35,0x30]
 
 v_trunc_f32 v5, v1 quad_perm:[3,2,1,0]
 // GFX12: v_trunc_f32_dpp v5, v1 quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0x42,0x0a,0x7e,0x01,0x1b,0x00,0xff]

diff  --git a/llvm/test/MC/AMDGPU/gfx12_asm_vop1_dpp8.s b/llvm/test/MC/AMDGPU/gfx12_asm_vop1_dpp8.s
index a54ae771fab401..9281d6fb16ce8e 100644
--- a/llvm/test/MC/AMDGPU/gfx12_asm_vop1_dpp8.s
+++ b/llvm/test/MC/AMDGPU/gfx12_asm_vop1_dpp8.s
@@ -661,14 +661,20 @@ v_sqrt_f32 v5, v1 dpp8:[7,6,5,4,3,2,1,0] fi:1
 v_sqrt_f32 v255, v255 dpp8:[0,0,0,0,0,0,0,0] fi:0
 // GFX12: v_sqrt_f32_dpp v255, v255 dpp8:[0,0,0,0,0,0,0,0] ; encoding: [0xe9,0x66,0xfe,0x7f,0xff,0x00,0x00,0x00]
 
-v_trunc_f16 v5, v1 dpp8:[7,6,5,4,3,2,1,0]
-// GFX12: v_trunc_f16_dpp v5, v1 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0xe9,0xba,0x0a,0x7e,0x01,0x77,0x39,0x05]
+v_trunc_f16 v5.l, v1.l dpp8:[7,6,5,4,3,2,1,0]
+// GFX12: v_trunc_f16_dpp v5.l, v1.l dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0xe9,0xba,0x0a,0x7e,0x01,0x77,0x39,0x05]
 
-v_trunc_f16 v5, v1 dpp8:[7,6,5,4,3,2,1,0] fi:1
-// GFX12: v_trunc_f16_dpp v5, v1 dpp8:[7,6,5,4,3,2,1,0] fi:1 ; encoding: [0xea,0xba,0x0a,0x7e,0x01,0x77,0x39,0x05]
+v_trunc_f16 v5.l, v1.l dpp8:[7,6,5,4,3,2,1,0] fi:1
+// GFX12: v_trunc_f16_dpp v5.l, v1.l dpp8:[7,6,5,4,3,2,1,0] fi:1 ; encoding: [0xea,0xba,0x0a,0x7e,0x01,0x77,0x39,0x05]
 
-v_trunc_f16 v127, v127 dpp8:[0,0,0,0,0,0,0,0] fi:0
-// GFX12: v_trunc_f16_dpp v127, v127 dpp8:[0,0,0,0,0,0,0,0] ; encoding: [0xe9,0xba,0xfe,0x7e,0x7f,0x00,0x00,0x00]
+v_trunc_f16 v127.l, v127.l dpp8:[0,0,0,0,0,0,0,0] fi:0
+// GFX12: v_trunc_f16_dpp v127.l, v127.l dpp8:[0,0,0,0,0,0,0,0] ; encoding: [0xe9,0xba,0xfe,0x7e,0x7f,0x00,0x00,0x00]
+
+v_trunc_f16 v5.h, v1.h dpp8:[7,6,5,4,3,2,1,0] fi:1
+// GFX12: v_trunc_f16_dpp v5.h, v1.h dpp8:[7,6,5,4,3,2,1,0] fi:1 ; encoding: [0xea,0xba,0x0a,0x7f,0x81,0x77,0x39,0x05]
+
+v_trunc_f16 v127.h, v127.h dpp8:[0,0,0,0,0,0,0,0] fi:0
+// GFX12: v_trunc_f16_dpp v127.h, v127.h dpp8:[0,0,0,0,0,0,0,0] ; encoding: [0xe9,0xba,0xfe,0x7f,0xff,0x00,0x00,0x00]
 
 v_trunc_f32 v5, v1 dpp8:[7,6,5,4,3,2,1,0]
 // GFX12: v_trunc_f32_dpp v5, v1 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0xe9,0x42,0x0a,0x7e,0x01,0x77,0x39,0x05]

diff  --git a/llvm/test/MC/AMDGPU/gfx12_asm_vop1_t16_err.s b/llvm/test/MC/AMDGPU/gfx12_asm_vop1_t16_err.s
index 01aa7a44bbc230..33a5dded095c7b 100644
--- a/llvm/test/MC/AMDGPU/gfx12_asm_vop1_t16_err.s
+++ b/llvm/test/MC/AMDGPU/gfx12_asm_vop1_t16_err.s
@@ -1,3 +1,4 @@
+// NOTE: Assertions have been autogenerated by utils/update_mc_test_checks.py UTC_ARGS: --version 5
 ; NOTE: Assertions have been autogenerated by utils/update_mc_test_checks.py UTC_ARGS: --version 5
 // RUN: not llvm-mc -triple=amdgcn -mcpu=gfx1200 -mattr=+real-true16 -show-encoding %s 2>&1 | FileCheck --check-prefix=GFX12 --implicit-check-not=error %s
 
@@ -703,6 +704,12 @@ v_swap_b16_e32 v128.l, v0.l
 v_trunc_f16_e32 v128, 0xfe0b
 // GFX12: :[[@LINE-1]]:1: error: operands are not valid for this GPU or mode
 
+v_trunc_f16_e32 v128.h, 0xfe0b
+// GFX12: :[[@LINE-1]]:17: error: invalid operand for instruction
+
+v_trunc_f16_e32 v128.l, 0xfe0b
+// GFX12: :[[@LINE-1]]:17: error: invalid operand for instruction
+
 v_trunc_f16_e32 v255, v1
 // GFX12: :[[@LINE-1]]:1: error: operands are not valid for this GPU or mode
 
@@ -712,6 +719,24 @@ v_trunc_f16_e32 v255, v1 dpp8:[7,6,5,4,3,2,1,0]
 v_trunc_f16_e32 v255, v1 quad_perm:[3,2,1,0]
 // GFX12: :[[@LINE-1]]:26: error: invalid operand for instruction
 
+v_trunc_f16_e32 v255.h, v1.h
+// GFX12: :[[@LINE-1]]:17: error: invalid operand for instruction
+
+v_trunc_f16_e32 v255.h, v1.h dpp8:[7,6,5,4,3,2,1,0]
+// GFX12: :[[@LINE-1]]:17: error: invalid operand for instruction
+
+v_trunc_f16_e32 v255.h, v1.h quad_perm:[3,2,1,0]
+// GFX12: :[[@LINE-1]]:17: error: invalid operand for instruction
+
+v_trunc_f16_e32 v255.l, v1.l
+// GFX12: :[[@LINE-1]]:17: error: invalid operand for instruction
+
+v_trunc_f16_e32 v255.l, v1.l dpp8:[7,6,5,4,3,2,1,0]
+// GFX12: :[[@LINE-1]]:17: error: invalid operand for instruction
+
+v_trunc_f16_e32 v255.l, v1.l quad_perm:[3,2,1,0]
+// GFX12: :[[@LINE-1]]:17: error: invalid operand for instruction
+
 v_trunc_f16_e32 v5, v199
 // GFX12: :[[@LINE-1]]:1: error: operands are not valid for this GPU or mode
 
@@ -720,3 +745,21 @@ v_trunc_f16_e32 v5, v199 dpp8:[7,6,5,4,3,2,1,0]
 
 v_trunc_f16_e32 v5, v199 quad_perm:[3,2,1,0]
 // GFX12: :[[@LINE-1]]:26: error: invalid operand for instruction
+
+v_trunc_f16_e32 v5.h, v199.h
+// GFX12: :[[@LINE-1]]:23: error: invalid operand for instruction
+
+v_trunc_f16_e32 v5.h, v199.h dpp8:[7,6,5,4,3,2,1,0]
+// GFX12: :[[@LINE-1]]:23: error: invalid operand for instruction
+
+v_trunc_f16_e32 v5.h, v199.h quad_perm:[3,2,1,0]
+// GFX12: :[[@LINE-1]]:23: error: invalid operand for instruction
+
+v_trunc_f16_e32 v5.l, v199.l
+// GFX12: :[[@LINE-1]]:23: error: invalid operand for instruction
+
+v_trunc_f16_e32 v5.l, v199.l dpp8:[7,6,5,4,3,2,1,0]
+// GFX12: :[[@LINE-1]]:23: error: invalid operand for instruction
+
+v_trunc_f16_e32 v5.l, v199.l quad_perm:[3,2,1,0]
+// GFX12: :[[@LINE-1]]:23: error: invalid operand for instruction

diff  --git a/llvm/test/MC/AMDGPU/gfx12_asm_vop1_t16_promote.s b/llvm/test/MC/AMDGPU/gfx12_asm_vop1_t16_promote.s
index 4c983af0945611..03519d43c49a95 100644
--- a/llvm/test/MC/AMDGPU/gfx12_asm_vop1_t16_promote.s
+++ b/llvm/test/MC/AMDGPU/gfx12_asm_vop1_t16_promote.s
@@ -1,4 +1,4 @@
-; NOTE: Assertions have been autogenerated by utils/update_mc_test_checks.py UTC_ARGS: --version 5
+// NOTE: Assertions have been autogenerated by utils/update_mc_test_checks.py UTC_ARGS: --version 5
 // RUN: llvm-mc -triple=amdgcn -mcpu=gfx1200 -mattr=+real-true16 -show-encoding %s | FileCheck --check-prefix=GFX12 --implicit-check-not=_e32 %s
 
 v_ceil_f16 v128, 0xfe0b
@@ -1912,68 +1912,134 @@ v_sqrt_f16 v5, v199 dpp8:[7,6,5,4,3,2,1,0]
 v_sqrt_f16 v5, v199 quad_perm:[3,2,1,0]
 // GFX12: v_sqrt_f16_e64_dpp v5, v199 quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xd5,0xd5,0xfa,0x00,0x00,0x00,0xc7,0x1b,0x00,0xff]
 
-v_trunc_f16 v128, 0xfe0b
-// GFX12: v_trunc_f16_e64 v128, 0xfe0b            ; encoding: [0x80,0x00,0xdd,0xd5,0xff,0x00,0x00,0x00,0x0b,0xfe,0x00,0x00]
+v_trunc_f16 v128.h, 0xfe0b
+// GFX12: v_trunc_f16_e64 v128.h, 0xfe0b op_sel:[0,1] ; encoding: [0x80,0x40,0xdd,0xd5,0xff,0x00,0x00,0x00,0x0b,0xfe,0x00,0x00]
 
-v_trunc_f16 v255, -1
-// GFX12: v_trunc_f16_e64 v255, -1                ; encoding: [0xff,0x00,0xdd,0xd5,0xc1,0x00,0x00,0x00]
+v_trunc_f16 v128.l, 0xfe0b
+// GFX12: v_trunc_f16_e64 v128.l, 0xfe0b          ; encoding: [0x80,0x00,0xdd,0xd5,0xff,0x00,0x00,0x00,0x0b,0xfe,0x00,0x00]
 
-v_trunc_f16 v255, 0.5
-// GFX12: v_trunc_f16_e64 v255, 0.5               ; encoding: [0xff,0x00,0xdd,0xd5,0xf0,0x00,0x00,0x00]
+v_trunc_f16 v255.h, -1
+// GFX12: v_trunc_f16_e64 v255.h, -1 op_sel:[0,1] ; encoding: [0xff,0x40,0xdd,0xd5,0xc1,0x00,0x00,0x00]
 
-v_trunc_f16 v255, exec_hi
-// GFX12: v_trunc_f16_e64 v255, exec_hi           ; encoding: [0xff,0x00,0xdd,0xd5,0x7f,0x00,0x00,0x00]
+v_trunc_f16 v255.h, 0.5
+// GFX12: v_trunc_f16_e64 v255.h, 0.5 op_sel:[0,1] ; encoding: [0xff,0x40,0xdd,0xd5,0xf0,0x00,0x00,0x00]
 
-v_trunc_f16 v255, exec_lo
-// GFX12: v_trunc_f16_e64 v255, exec_lo           ; encoding: [0xff,0x00,0xdd,0xd5,0x7e,0x00,0x00,0x00]
+v_trunc_f16 v255.h, exec_hi
+// GFX12: v_trunc_f16_e64 v255.h, exec_hi op_sel:[0,1] ; encoding: [0xff,0x40,0xdd,0xd5,0x7f,0x00,0x00,0x00]
 
-v_trunc_f16 v255, m0
-// GFX12: v_trunc_f16_e64 v255, m0                ; encoding: [0xff,0x00,0xdd,0xd5,0x7d,0x00,0x00,0x00]
+v_trunc_f16 v255.h, exec_lo
+// GFX12: v_trunc_f16_e64 v255.h, exec_lo op_sel:[0,1] ; encoding: [0xff,0x40,0xdd,0xd5,0x7e,0x00,0x00,0x00]
 
-v_trunc_f16 v255, null
-// GFX12: v_trunc_f16_e64 v255, null              ; encoding: [0xff,0x00,0xdd,0xd5,0x7c,0x00,0x00,0x00]
+v_trunc_f16 v255.h, m0
+// GFX12: v_trunc_f16_e64 v255.h, m0 op_sel:[0,1] ; encoding: [0xff,0x40,0xdd,0xd5,0x7d,0x00,0x00,0x00]
 
-v_trunc_f16 v255, s1
-// GFX12: v_trunc_f16_e64 v255, s1                ; encoding: [0xff,0x00,0xdd,0xd5,0x01,0x00,0x00,0x00]
+v_trunc_f16 v255.h, null
+// GFX12: v_trunc_f16_e64 v255.h, null op_sel:[0,1] ; encoding: [0xff,0x40,0xdd,0xd5,0x7c,0x00,0x00,0x00]
 
-v_trunc_f16 v255, s105
-// GFX12: v_trunc_f16_e64 v255, s105              ; encoding: [0xff,0x00,0xdd,0xd5,0x69,0x00,0x00,0x00]
+v_trunc_f16 v255.h, s1
+// GFX12: v_trunc_f16_e64 v255.h, s1 op_sel:[0,1] ; encoding: [0xff,0x40,0xdd,0xd5,0x01,0x00,0x00,0x00]
 
-v_trunc_f16 v255, src_scc
-// GFX12: v_trunc_f16_e64 v255, src_scc           ; encoding: [0xff,0x00,0xdd,0xd5,0xfd,0x00,0x00,0x00]
+v_trunc_f16 v255.h, s105
+// GFX12: v_trunc_f16_e64 v255.h, s105 op_sel:[0,1] ; encoding: [0xff,0x40,0xdd,0xd5,0x69,0x00,0x00,0x00]
 
-v_trunc_f16 v255, ttmp15
-// GFX12: v_trunc_f16_e64 v255, ttmp15            ; encoding: [0xff,0x00,0xdd,0xd5,0x7b,0x00,0x00,0x00]
+v_trunc_f16 v255.h, src_scc
+// GFX12: v_trunc_f16_e64 v255.h, src_scc op_sel:[0,1] ; encoding: [0xff,0x40,0xdd,0xd5,0xfd,0x00,0x00,0x00]
 
-v_trunc_f16 v255, v1
-// GFX12: v_trunc_f16_e64 v255, v1                ; encoding: [0xff,0x00,0xdd,0xd5,0x01,0x01,0x00,0x00]
+v_trunc_f16 v255.h, ttmp15
+// GFX12: v_trunc_f16_e64 v255.h, ttmp15 op_sel:[0,1] ; encoding: [0xff,0x40,0xdd,0xd5,0x7b,0x00,0x00,0x00]
 
-v_trunc_f16 v255, v1 dpp8:[7,6,5,4,3,2,1,0]
-// GFX12: v_trunc_f16_e64_dpp v255, v1 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0xff,0x00,0xdd,0xd5,0xe9,0x00,0x00,0x00,0x01,0x77,0x39,0x05]
+v_trunc_f16 v255.h, v1.h
+// GFX12: v_trunc_f16_e64 v255.h, v1.h op_sel:[1,1] ; encoding: [0xff,0x48,0xdd,0xd5,0x01,0x01,0x00,0x00]
 
-v_trunc_f16 v255, v1 quad_perm:[3,2,1,0]
-// GFX12: v_trunc_f16_e64_dpp v255, v1 quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xf ; encoding: [0xff,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x1b,0x00,0xff]
+v_trunc_f16 v255.h, v1.h dpp8:[7,6,5,4,3,2,1,0]
+// GFX12: v_trunc_f16_e64_dpp v255.h, v1.h op_sel:[1,1] dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0xff,0x48,0xdd,0xd5,0xe9,0x00,0x00,0x00,0x01,0x77,0x39,0x05]
 
-v_trunc_f16 v255, v127
-// GFX12: v_trunc_f16_e64 v255, v127              ; encoding: [0xff,0x00,0xdd,0xd5,0x7f,0x01,0x00,0x00]
+v_trunc_f16 v255.h, v1.h quad_perm:[3,2,1,0]
+// GFX12: v_trunc_f16_e64_dpp v255.h, v1.h op_sel:[1,1] quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xf ; encoding: [0xff,0x48,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x1b,0x00,0xff]
 
-v_trunc_f16 v255, v127 dpp8:[7,6,5,4,3,2,1,0]
-// GFX12: v_trunc_f16_e64_dpp v255, v127 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0xff,0x00,0xdd,0xd5,0xe9,0x00,0x00,0x00,0x7f,0x77,0x39,0x05]
+v_trunc_f16 v255.h, v127.h
+// GFX12: v_trunc_f16_e64 v255.h, v127.h op_sel:[1,1] ; encoding: [0xff,0x48,0xdd,0xd5,0x7f,0x01,0x00,0x00]
 
-v_trunc_f16 v255, v127 quad_perm:[3,2,1,0]
-// GFX12: v_trunc_f16_e64_dpp v255, v127 quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xf ; encoding: [0xff,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x7f,0x1b,0x00,0xff]
+v_trunc_f16 v255.h, v127.h dpp8:[7,6,5,4,3,2,1,0]
+// GFX12: v_trunc_f16_e64_dpp v255.h, v127.h op_sel:[1,1] dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0xff,0x48,0xdd,0xd5,0xe9,0x00,0x00,0x00,0x7f,0x77,0x39,0x05]
 
-v_trunc_f16 v255, vcc_hi
-// GFX12: v_trunc_f16_e64 v255, vcc_hi            ; encoding: [0xff,0x00,0xdd,0xd5,0x6b,0x00,0x00,0x00]
+v_trunc_f16 v255.h, v127.h quad_perm:[3,2,1,0]
+// GFX12: v_trunc_f16_e64_dpp v255.h, v127.h op_sel:[1,1] quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xf ; encoding: [0xff,0x48,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x7f,0x1b,0x00,0xff]
 
-v_trunc_f16 v255, vcc_lo
-// GFX12: v_trunc_f16_e64 v255, vcc_lo            ; encoding: [0xff,0x00,0xdd,0xd5,0x6a,0x00,0x00,0x00]
+v_trunc_f16 v255.h, vcc_hi
+// GFX12: v_trunc_f16_e64 v255.h, vcc_hi op_sel:[0,1] ; encoding: [0xff,0x40,0xdd,0xd5,0x6b,0x00,0x00,0x00]
 
-v_trunc_f16 v5, v199
-// GFX12: v_trunc_f16_e64 v5, v199                ; encoding: [0x05,0x00,0xdd,0xd5,0xc7,0x01,0x00,0x00]
+v_trunc_f16 v255.h, vcc_lo
+// GFX12: v_trunc_f16_e64 v255.h, vcc_lo op_sel:[0,1] ; encoding: [0xff,0x40,0xdd,0xd5,0x6a,0x00,0x00,0x00]
 
-v_trunc_f16 v5, v199 dpp8:[7,6,5,4,3,2,1,0]
-// GFX12: v_trunc_f16_e64_dpp v5, v199 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0xdd,0xd5,0xe9,0x00,0x00,0x00,0xc7,0x77,0x39,0x05]
+v_trunc_f16 v255.l, -1
+// GFX12: v_trunc_f16_e64 v255.l, -1              ; encoding: [0xff,0x00,0xdd,0xd5,0xc1,0x00,0x00,0x00]
 
-v_trunc_f16 v5, v199 quad_perm:[3,2,1,0]
-// GFX12: v_trunc_f16_e64_dpp v5, v199 quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0xc7,0x1b,0x00,0xff]
+v_trunc_f16 v255.l, 0.5
+// GFX12: v_trunc_f16_e64 v255.l, 0.5             ; encoding: [0xff,0x00,0xdd,0xd5,0xf0,0x00,0x00,0x00]
+
+v_trunc_f16 v255.l, exec_hi
+// GFX12: v_trunc_f16_e64 v255.l, exec_hi         ; encoding: [0xff,0x00,0xdd,0xd5,0x7f,0x00,0x00,0x00]
+
+v_trunc_f16 v255.l, exec_lo
+// GFX12: v_trunc_f16_e64 v255.l, exec_lo         ; encoding: [0xff,0x00,0xdd,0xd5,0x7e,0x00,0x00,0x00]
+
+v_trunc_f16 v255.l, m0
+// GFX12: v_trunc_f16_e64 v255.l, m0              ; encoding: [0xff,0x00,0xdd,0xd5,0x7d,0x00,0x00,0x00]
+
+v_trunc_f16 v255.l, null
+// GFX12: v_trunc_f16_e64 v255.l, null            ; encoding: [0xff,0x00,0xdd,0xd5,0x7c,0x00,0x00,0x00]
+
+v_trunc_f16 v255.l, s1
+// GFX12: v_trunc_f16_e64 v255.l, s1              ; encoding: [0xff,0x00,0xdd,0xd5,0x01,0x00,0x00,0x00]
+
+v_trunc_f16 v255.l, s105
+// GFX12: v_trunc_f16_e64 v255.l, s105            ; encoding: [0xff,0x00,0xdd,0xd5,0x69,0x00,0x00,0x00]
+
+v_trunc_f16 v255.l, src_scc
+// GFX12: v_trunc_f16_e64 v255.l, src_scc         ; encoding: [0xff,0x00,0xdd,0xd5,0xfd,0x00,0x00,0x00]
+
+v_trunc_f16 v255.l, ttmp15
+// GFX12: v_trunc_f16_e64 v255.l, ttmp15          ; encoding: [0xff,0x00,0xdd,0xd5,0x7b,0x00,0x00,0x00]
+
+v_trunc_f16 v255.l, v1.l
+// GFX12: v_trunc_f16_e64 v255.l, v1.l            ; encoding: [0xff,0x00,0xdd,0xd5,0x01,0x01,0x00,0x00]
+
+v_trunc_f16 v255.l, v1.l dpp8:[7,6,5,4,3,2,1,0]
+// GFX12: v_trunc_f16_e64_dpp v255.l, v1.l dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0xff,0x00,0xdd,0xd5,0xe9,0x00,0x00,0x00,0x01,0x77,0x39,0x05]
+
+v_trunc_f16 v255.l, v1.l quad_perm:[3,2,1,0]
+// GFX12: v_trunc_f16_e64_dpp v255.l, v1.l quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xf ; encoding: [0xff,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x1b,0x00,0xff]
+
+v_trunc_f16 v255.l, v127.l
+// GFX12: v_trunc_f16_e64 v255.l, v127.l          ; encoding: [0xff,0x00,0xdd,0xd5,0x7f,0x01,0x00,0x00]
+
+v_trunc_f16 v255.l, v127.l dpp8:[7,6,5,4,3,2,1,0]
+// GFX12: v_trunc_f16_e64_dpp v255.l, v127.l dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0xff,0x00,0xdd,0xd5,0xe9,0x00,0x00,0x00,0x7f,0x77,0x39,0x05]
+
+v_trunc_f16 v255.l, v127.l quad_perm:[3,2,1,0]
+// GFX12: v_trunc_f16_e64_dpp v255.l, v127.l quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xf ; encoding: [0xff,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x7f,0x1b,0x00,0xff]
+
+v_trunc_f16 v255.l, vcc_hi
+// GFX12: v_trunc_f16_e64 v255.l, vcc_hi          ; encoding: [0xff,0x00,0xdd,0xd5,0x6b,0x00,0x00,0x00]
+
+v_trunc_f16 v255.l, vcc_lo
+// GFX12: v_trunc_f16_e64 v255.l, vcc_lo          ; encoding: [0xff,0x00,0xdd,0xd5,0x6a,0x00,0x00,0x00]
+
+v_trunc_f16 v5.h, v199.h
+// GFX12: v_trunc_f16_e64 v5.h, v199.h op_sel:[1,1] ; encoding: [0x05,0x48,0xdd,0xd5,0xc7,0x01,0x00,0x00]
+
+v_trunc_f16 v5.h, v199.h dpp8:[7,6,5,4,3,2,1,0]
+// GFX12: v_trunc_f16_e64_dpp v5.h, v199.h op_sel:[1,1] dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x48,0xdd,0xd5,0xe9,0x00,0x00,0x00,0xc7,0x77,0x39,0x05]
+
+v_trunc_f16 v5.h, v199.h quad_perm:[3,2,1,0]
+// GFX12: v_trunc_f16_e64_dpp v5.h, v199.h op_sel:[1,1] quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x48,0xdd,0xd5,0xfa,0x00,0x00,0x00,0xc7,0x1b,0x00,0xff]
+
+v_trunc_f16 v5.l, v199.l
+// GFX12: v_trunc_f16_e64 v5.l, v199.l            ; encoding: [0x05,0x00,0xdd,0xd5,0xc7,0x01,0x00,0x00]
+
+v_trunc_f16 v5.l, v199.l dpp8:[7,6,5,4,3,2,1,0]
+// GFX12: v_trunc_f16_e64_dpp v5.l, v199.l dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0xdd,0xd5,0xe9,0x00,0x00,0x00,0xc7,0x77,0x39,0x05]
+
+v_trunc_f16 v5.l, v199.l quad_perm:[3,2,1,0]
+// GFX12: v_trunc_f16_e64_dpp v5.l, v199.l quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0xc7,0x1b,0x00,0xff]

diff  --git a/llvm/test/MC/AMDGPU/gfx12_asm_vop3_from_vop1.s b/llvm/test/MC/AMDGPU/gfx12_asm_vop3_from_vop1.s
index ea4a58d9d0f7ee..e2fe08ddc8b065 100644
--- a/llvm/test/MC/AMDGPU/gfx12_asm_vop3_from_vop1.s
+++ b/llvm/test/MC/AMDGPU/gfx12_asm_vop3_from_vop1.s
@@ -3604,50 +3604,59 @@ v_sqrt_f64_e64 v[5:6], -|src_scc| mul:4
 v_sqrt_f64_e64 v[254:255], 0xaf123456 clamp div:2
 // GFX12: v_sqrt_f64_e64 v[254:255], 0xaf123456 clamp div:2 ; encoding: [0xfe,0x80,0xb4,0xd5,0xff,0x00,0x00,0x18,0x56,0x34,0x12,0xaf]
 
-v_trunc_f16_e64 v5, v1
-// GFX12: v_trunc_f16_e64 v5, v1                  ; encoding: [0x05,0x00,0xdd,0xd5,0x01,0x01,0x00,0x00]
+v_trunc_f16_e64 v5.l, v1.l
+// GFX12: v_trunc_f16_e64 v5.l, v1.l              ; encoding: [0x05,0x00,0xdd,0xd5,0x01,0x01,0x00,0x00]
 
-v_trunc_f16_e64 v5, v255
-// GFX12: v_trunc_f16_e64 v5, v255                ; encoding: [0x05,0x00,0xdd,0xd5,0xff,0x01,0x00,0x00]
+v_trunc_f16_e64 v5.l, v255.l
+// GFX12: v_trunc_f16_e64 v5.l, v255.l            ; encoding: [0x05,0x00,0xdd,0xd5,0xff,0x01,0x00,0x00]
 
-v_trunc_f16_e64 v5, s1
-// GFX12: v_trunc_f16_e64 v5, s1                  ; encoding: [0x05,0x00,0xdd,0xd5,0x01,0x00,0x00,0x00]
+v_trunc_f16_e64 v5.l, s1
+// GFX12: v_trunc_f16_e64 v5.l, s1                ; encoding: [0x05,0x00,0xdd,0xd5,0x01,0x00,0x00,0x00]
 
-v_trunc_f16_e64 v5, s105
-// GFX12: v_trunc_f16_e64 v5, s105                ; encoding: [0x05,0x00,0xdd,0xd5,0x69,0x00,0x00,0x00]
+v_trunc_f16_e64 v5.l, s105
+// GFX12: v_trunc_f16_e64 v5.l, s105              ; encoding: [0x05,0x00,0xdd,0xd5,0x69,0x00,0x00,0x00]
 
-v_trunc_f16_e64 v5, vcc_lo
-// GFX12: v_trunc_f16_e64 v5, vcc_lo              ; encoding: [0x05,0x00,0xdd,0xd5,0x6a,0x00,0x00,0x00]
+v_trunc_f16_e64 v5.l, vcc_lo
+// GFX12: v_trunc_f16_e64 v5.l, vcc_lo            ; encoding: [0x05,0x00,0xdd,0xd5,0x6a,0x00,0x00,0x00]
 
-v_trunc_f16_e64 v5, vcc_hi
-// GFX12: v_trunc_f16_e64 v5, vcc_hi              ; encoding: [0x05,0x00,0xdd,0xd5,0x6b,0x00,0x00,0x00]
+v_trunc_f16_e64 v5.l, vcc_hi
+// GFX12: v_trunc_f16_e64 v5.l, vcc_hi            ; encoding: [0x05,0x00,0xdd,0xd5,0x6b,0x00,0x00,0x00]
 
-v_trunc_f16_e64 v5, ttmp15
-// GFX12: v_trunc_f16_e64 v5, ttmp15              ; encoding: [0x05,0x00,0xdd,0xd5,0x7b,0x00,0x00,0x00]
+v_trunc_f16_e64 v5.l, ttmp15
+// GFX12: v_trunc_f16_e64 v5.l, ttmp15            ; encoding: [0x05,0x00,0xdd,0xd5,0x7b,0x00,0x00,0x00]
 
-v_trunc_f16_e64 v5, m0
-// GFX12: v_trunc_f16_e64 v5, m0                  ; encoding: [0x05,0x00,0xdd,0xd5,0x7d,0x00,0x00,0x00]
+v_trunc_f16_e64 v5.l, m0
+// GFX12: v_trunc_f16_e64 v5.l, m0                ; encoding: [0x05,0x00,0xdd,0xd5,0x7d,0x00,0x00,0x00]
 
-v_trunc_f16_e64 v5, exec_lo
-// GFX12: v_trunc_f16_e64 v5, exec_lo             ; encoding: [0x05,0x00,0xdd,0xd5,0x7e,0x00,0x00,0x00]
+v_trunc_f16_e64 v5.l, exec_lo
+// GFX12: v_trunc_f16_e64 v5.l, exec_lo           ; encoding: [0x05,0x00,0xdd,0xd5,0x7e,0x00,0x00,0x00]
 
-v_trunc_f16_e64 v5, exec_hi
-// GFX12: v_trunc_f16_e64 v5, exec_hi             ; encoding: [0x05,0x00,0xdd,0xd5,0x7f,0x00,0x00,0x00]
+v_trunc_f16_e64 v5.l, exec_hi
+// GFX12: v_trunc_f16_e64 v5.l, exec_hi           ; encoding: [0x05,0x00,0xdd,0xd5,0x7f,0x00,0x00,0x00]
 
-v_trunc_f16_e64 v5, null
-// GFX12: v_trunc_f16_e64 v5, null                ; encoding: [0x05,0x00,0xdd,0xd5,0x7c,0x00,0x00,0x00]
+v_trunc_f16_e64 v5.l, null
+// GFX12: v_trunc_f16_e64 v5.l, null              ; encoding: [0x05,0x00,0xdd,0xd5,0x7c,0x00,0x00,0x00]
 
-v_trunc_f16_e64 v5, -1
-// GFX12: v_trunc_f16_e64 v5, -1                  ; encoding: [0x05,0x00,0xdd,0xd5,0xc1,0x00,0x00,0x00]
+v_trunc_f16_e64 v5.l, -1
+// GFX12: v_trunc_f16_e64 v5.l, -1                ; encoding: [0x05,0x00,0xdd,0xd5,0xc1,0x00,0x00,0x00]
 
-v_trunc_f16_e64 v5, 0.5 mul:2
-// GFX12: v_trunc_f16_e64 v5, 0.5 mul:2           ; encoding: [0x05,0x00,0xdd,0xd5,0xf0,0x00,0x00,0x08]
+v_trunc_f16_e64 v5.l, 0.5 mul:2
+// GFX12: v_trunc_f16_e64 v5.l, 0.5 mul:2         ; encoding: [0x05,0x00,0xdd,0xd5,0xf0,0x00,0x00,0x08]
 
-v_trunc_f16_e64 v5, src_scc mul:4
-// GFX12: v_trunc_f16_e64 v5, src_scc mul:4       ; encoding: [0x05,0x00,0xdd,0xd5,0xfd,0x00,0x00,0x10]
+v_trunc_f16_e64 v5.l, src_scc mul:4
+// GFX12: v_trunc_f16_e64 v5.l, src_scc mul:4     ; encoding: [0x05,0x00,0xdd,0xd5,0xfd,0x00,0x00,0x10]
 
-v_trunc_f16_e64 v255, -|0xfe0b| clamp div:2
-// GFX12: v_trunc_f16_e64 v255, -|0xfe0b| clamp div:2 ; encoding: [0xff,0x81,0xdd,0xd5,0xff,0x00,0x00,0x38,0x0b,0xfe,0x00,0x00]
+v_trunc_f16_e64 v255.l, -|0xfe0b| clamp div:2
+// GFX12: v_trunc_f16_e64 v255.l, -|0xfe0b| clamp div:2 ; encoding: [0xff,0x81,0xdd,0xd5,0xff,0x00,0x00,0x38,0x0b,0xfe,0x00,0x00]
+
+v_trunc_f16_e64 v5.h, v1.h
+// GFX12: v_trunc_f16_e64 v5.h, v1.h op_sel:[1,1] ; encoding: [0x05,0x48,0xdd,0xd5,0x01,0x01,0x00,0x00]
+
+v_trunc_f16_e64 v5.l, v255.h
+// GFX12: v_trunc_f16_e64 v5.l, v255.h op_sel:[1,0] ; encoding: [0x05,0x08,0xdd,0xd5,0xff,0x01,0x00,0x00]
+
+v_trunc_f16_e64 v255.h, -|0xfe0b| clamp div:2
+// GFX12: v_trunc_f16_e64 v255.h, -|0xfe0b| op_sel:[0,1] clamp div:2 ; encoding: [0xff,0xc1,0xdd,0xd5,0xff,0x00,0x00,0x38,0x0b,0xfe,0x00,0x00]
 
 v_trunc_f32_e64 v5, v1
 // GFX12: v_trunc_f32_e64 v5, v1                  ; encoding: [0x05,0x00,0xa1,0xd5,0x01,0x01,0x00,0x00]

diff  --git a/llvm/test/MC/AMDGPU/gfx12_asm_vop3_from_vop1_dpp16.s b/llvm/test/MC/AMDGPU/gfx12_asm_vop3_from_vop1_dpp16.s
index a9b933e639abb5..3fff2749e6e994 100644
--- a/llvm/test/MC/AMDGPU/gfx12_asm_vop3_from_vop1_dpp16.s
+++ b/llvm/test/MC/AMDGPU/gfx12_asm_vop3_from_vop1_dpp16.s
@@ -2719,47 +2719,56 @@ v_sqrt_f32_e64_dpp v5, v1 mul:4 row_xmask:0 row_mask:0x1 bank_mask:0x3 bound_ctr
 v_sqrt_f32_e64_dpp v255, -|v255| clamp div:2 row_xmask:15 row_mask:0x3 bank_mask:0x0 bound_ctrl:0 fi:1
 // GFX12: v_sqrt_f32_e64_dpp v255, -|v255| clamp div:2 row_xmask:15 row_mask:0x3 bank_mask:0x0 fi:1 ; encoding: [0xff,0x81,0xb3,0xd5,0xfa,0x00,0x00,0x38,0xff,0x6f,0x05,0x30]
 
-v_trunc_f16_e64_dpp v5, v1 quad_perm:[3,2,1,0]
-// GFX12: v_trunc_f16_e64_dpp v5, v1 quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x1b,0x00,0xff]
+v_trunc_f16_e64_dpp v5.l, v1.l quad_perm:[3,2,1,0]
+// GFX12: v_trunc_f16_e64_dpp v5.l, v1.l quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x1b,0x00,0xff]
 
-v_trunc_f16_e64_dpp v5, v1 quad_perm:[0,1,2,3]
-// GFX12: v_trunc_f16_e64_dpp v5, v1 quad_perm:[0,1,2,3] row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0xe4,0x00,0xff]
+v_trunc_f16_e64_dpp v5.l, v1.l quad_perm:[0,1,2,3]
+// GFX12: v_trunc_f16_e64_dpp v5.l, v1.l quad_perm:[0,1,2,3] row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0xe4,0x00,0xff]
 
-v_trunc_f16_e64_dpp v5, v1 row_mirror
-// GFX12: v_trunc_f16_e64_dpp v5, v1 row_mirror row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x40,0x01,0xff]
+v_trunc_f16_e64_dpp v5.l, v1.l row_mirror
+// GFX12: v_trunc_f16_e64_dpp v5.l, v1.l row_mirror row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x40,0x01,0xff]
 
-v_trunc_f16_e64_dpp v5, v1 row_half_mirror
-// GFX12: v_trunc_f16_e64_dpp v5, v1 row_half_mirror row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x41,0x01,0xff]
+v_trunc_f16_e64_dpp v5.l, v1.l row_half_mirror
+// GFX12: v_trunc_f16_e64_dpp v5.l, v1.l row_half_mirror row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x41,0x01,0xff]
 
-v_trunc_f16_e64_dpp v5, v1 row_shl:1
-// GFX12: v_trunc_f16_e64_dpp v5, v1 row_shl:1 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x01,0x01,0xff]
+v_trunc_f16_e64_dpp v5.l, v1.l row_shl:1
+// GFX12: v_trunc_f16_e64_dpp v5.l, v1.l row_shl:1 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x01,0x01,0xff]
 
-v_trunc_f16_e64_dpp v5, v1 row_shl:15
-// GFX12: v_trunc_f16_e64_dpp v5, v1 row_shl:15 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x0f,0x01,0xff]
+v_trunc_f16_e64_dpp v5.l, v1.l row_shl:15
+// GFX12: v_trunc_f16_e64_dpp v5.l, v1.l row_shl:15 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x0f,0x01,0xff]
 
-v_trunc_f16_e64_dpp v5, v1 row_shr:1
-// GFX12: v_trunc_f16_e64_dpp v5, v1 row_shr:1 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x11,0x01,0xff]
+v_trunc_f16_e64_dpp v5.l, v1.l row_shr:1
+// GFX12: v_trunc_f16_e64_dpp v5.l, v1.l row_shr:1 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x11,0x01,0xff]
 
-v_trunc_f16_e64_dpp v5, v1 row_shr:15
-// GFX12: v_trunc_f16_e64_dpp v5, v1 row_shr:15 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x1f,0x01,0xff]
+v_trunc_f16_e64_dpp v5.l, v1.l row_shr:15
+// GFX12: v_trunc_f16_e64_dpp v5.l, v1.l row_shr:15 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x1f,0x01,0xff]
 
-v_trunc_f16_e64_dpp v5, v1 row_ror:1
-// GFX12: v_trunc_f16_e64_dpp v5, v1 row_ror:1 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x21,0x01,0xff]
+v_trunc_f16_e64_dpp v5.l, v1.l row_ror:1
+// GFX12: v_trunc_f16_e64_dpp v5.l, v1.l row_ror:1 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x21,0x01,0xff]
 
-v_trunc_f16_e64_dpp v5, v1 row_ror:15
-// GFX12: v_trunc_f16_e64_dpp v5, v1 row_ror:15 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x2f,0x01,0xff]
+v_trunc_f16_e64_dpp v5.l, v1.l row_ror:15
+// GFX12: v_trunc_f16_e64_dpp v5.l, v1.l row_ror:15 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x2f,0x01,0xff]
 
-v_trunc_f16_e64_dpp v5, v1 row_share:0 row_mask:0xf bank_mask:0xf
-// GFX12: v_trunc_f16_e64_dpp v5, v1 row_share:0 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x50,0x01,0xff]
+v_trunc_f16_e64_dpp v5.l, v1.l row_share:0 row_mask:0xf bank_mask:0xf
+// GFX12: v_trunc_f16_e64_dpp v5.l, v1.l row_share:0 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x50,0x01,0xff]
 
-v_trunc_f16_e64_dpp v5, v1 mul:2 row_share:15 row_mask:0x0 bank_mask:0x1
-// GFX12: v_trunc_f16_e64_dpp v5, v1 mul:2 row_share:15 row_mask:0x0 bank_mask:0x1 ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x08,0x01,0x5f,0x01,0x01]
+v_trunc_f16_e64_dpp v5.l, v1.l mul:2 row_share:15 row_mask:0x0 bank_mask:0x1
+// GFX12: v_trunc_f16_e64_dpp v5.l, v1.l mul:2 row_share:15 row_mask:0x0 bank_mask:0x1 ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x08,0x01,0x5f,0x01,0x01]
 
-v_trunc_f16_e64_dpp v5, v1 mul:4 row_xmask:0 row_mask:0x1 bank_mask:0x3 bound_ctrl:1 fi:0
-// GFX12: v_trunc_f16_e64_dpp v5, v1 mul:4 row_xmask:0 row_mask:0x1 bank_mask:0x3 bound_ctrl:1 ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x10,0x01,0x60,0x09,0x13]
+v_trunc_f16_e64_dpp v5.l, v1.l mul:4 row_xmask:0 row_mask:0x1 bank_mask:0x3 bound_ctrl:1 fi:0
+// GFX12: v_trunc_f16_e64_dpp v5.l, v1.l mul:4 row_xmask:0 row_mask:0x1 bank_mask:0x3 bound_ctrl:1 ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x10,0x01,0x60,0x09,0x13]
 
-v_trunc_f16_e64_dpp v255, -|v255| clamp div:2 row_xmask:15 row_mask:0x3 bank_mask:0x0 bound_ctrl:0 fi:1
-// GFX12: v_trunc_f16_e64_dpp v255, -|v255| clamp div:2 row_xmask:15 row_mask:0x3 bank_mask:0x0 fi:1 ; encoding: [0xff,0x81,0xdd,0xd5,0xfa,0x00,0x00,0x38,0xff,0x6f,0x05,0x30]
+v_trunc_f16_e64_dpp v255.l, -|v255.l| clamp div:2 row_xmask:15 row_mask:0x3 bank_mask:0x0 bound_ctrl:0 fi:1
+// GFX12: v_trunc_f16_e64_dpp v255.l, -|v255.l| clamp div:2 row_xmask:15 row_mask:0x3 bank_mask:0x0 fi:1 ; encoding: [0xff,0x81,0xdd,0xd5,0xfa,0x00,0x00,0x38,0xff,0x6f,0x05,0x30]
+
+v_trunc_f16_e64_dpp v5.h, v1.h mul:2 row_share:15 row_mask:0x0 bank_mask:0x1
+// GFX12: v_trunc_f16_e64_dpp v5.h, v1.h op_sel:[1,1] mul:2 row_share:15 row_mask:0x0 bank_mask:0x1 ; encoding: [0x05,0x48,0xdd,0xd5,0xfa,0x00,0x00,0x08,0x01,0x5f,0x01,0x01]
+
+v_trunc_f16_e64_dpp v5.l, v1.h mul:4 row_xmask:0 row_mask:0x1 bank_mask:0x3 bound_ctrl:1 fi:0
+// GFX12: v_trunc_f16_e64_dpp v5.l, v1.h op_sel:[1,0] mul:4 row_xmask:0 row_mask:0x1 bank_mask:0x3 bound_ctrl:1 ; encoding: [0x05,0x08,0xdd,0xd5,0xfa,0x00,0x00,0x10,0x01,0x60,0x09,0x13]
+
+v_trunc_f16_e64_dpp v255.h, -|v255.l| clamp div:2 row_xmask:15 row_mask:0x3 bank_mask:0x0 bound_ctrl:0 fi:1
+// GFX12: v_trunc_f16_e64_dpp v255.h, -|v255.l| op_sel:[0,1] clamp div:2 row_xmask:15 row_mask:0x3 bank_mask:0x0 fi:1 ; encoding: [0xff,0xc1,0xdd,0xd5,0xfa,0x00,0x00,0x38,0xff,0x6f,0x05,0x30]
 
 v_trunc_f32_e64_dpp v5, v1 quad_perm:[3,2,1,0]
 // GFX12: v_trunc_f32_e64_dpp v5, v1 quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xa1,0xd5,0xfa,0x00,0x00,0x00,0x01,0x1b,0x00,0xff]

diff  --git a/llvm/test/MC/AMDGPU/gfx12_asm_vop3_from_vop1_dpp8.s b/llvm/test/MC/AMDGPU/gfx12_asm_vop3_from_vop1_dpp8.s
index af335f2e0b5862..e4ae0ad6555183 100644
--- a/llvm/test/MC/AMDGPU/gfx12_asm_vop3_from_vop1_dpp8.s
+++ b/llvm/test/MC/AMDGPU/gfx12_asm_vop3_from_vop1_dpp8.s
@@ -781,17 +781,26 @@ v_sqrt_f32_e64_dpp v5, v1 mul:4 dpp8:[7,6,5,4,3,2,1,0] fi:1
 v_sqrt_f32_e64_dpp v255, -|v255| clamp div:2 dpp8:[0,0,0,0,0,0,0,0] fi:0
 // GFX12: v_sqrt_f32_e64_dpp v255, -|v255| clamp div:2 dpp8:[0,0,0,0,0,0,0,0] ; encoding: [0xff,0x81,0xb3,0xd5,0xe9,0x00,0x00,0x38,0xff,0x00,0x00,0x00]
 
-v_trunc_f16_e64_dpp v5, v1 dpp8:[7,6,5,4,3,2,1,0]
-// GFX12: v_trunc_f16_e64_dpp v5, v1 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0xdd,0xd5,0xe9,0x00,0x00,0x00,0x01,0x77,0x39,0x05]
+v_trunc_f16_e64_dpp v5.l, v1.l dpp8:[7,6,5,4,3,2,1,0]
+// GFX12: v_trunc_f16_e64_dpp v5.l, v1.l dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0xdd,0xd5,0xe9,0x00,0x00,0x00,0x01,0x77,0x39,0x05]
 
-v_trunc_f16_e64_dpp v5, v1 mul:2 dpp8:[7,6,5,4,3,2,1,0]
-// GFX12: v_trunc_f16_e64_dpp v5, v1 mul:2 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0xdd,0xd5,0xe9,0x00,0x00,0x08,0x01,0x77,0x39,0x05]
+v_trunc_f16_e64_dpp v5.l, v1.l mul:2 dpp8:[7,6,5,4,3,2,1,0]
+// GFX12: v_trunc_f16_e64_dpp v5.l, v1.l mul:2 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0xdd,0xd5,0xe9,0x00,0x00,0x08,0x01,0x77,0x39,0x05]
 
-v_trunc_f16_e64_dpp v5, v1 mul:4 dpp8:[7,6,5,4,3,2,1,0] fi:1
-// GFX12: v_trunc_f16_e64_dpp v5, v1 mul:4 dpp8:[7,6,5,4,3,2,1,0] fi:1 ; encoding: [0x05,0x00,0xdd,0xd5,0xea,0x00,0x00,0x10,0x01,0x77,0x39,0x05]
+v_trunc_f16_e64_dpp v5.l, v1.l mul:4 dpp8:[7,6,5,4,3,2,1,0] fi:1
+// GFX12: v_trunc_f16_e64_dpp v5.l, v1.l mul:4 dpp8:[7,6,5,4,3,2,1,0] fi:1 ; encoding: [0x05,0x00,0xdd,0xd5,0xea,0x00,0x00,0x10,0x01,0x77,0x39,0x05]
 
-v_trunc_f16_e64_dpp v255, -|v255| clamp div:2 dpp8:[0,0,0,0,0,0,0,0] fi:0
-// GFX12: v_trunc_f16_e64_dpp v255, -|v255| clamp div:2 dpp8:[0,0,0,0,0,0,0,0] ; encoding: [0xff,0x81,0xdd,0xd5,0xe9,0x00,0x00,0x38,0xff,0x00,0x00,0x00]
+v_trunc_f16_e64_dpp v255.l, -|v255.l| clamp div:2 dpp8:[0,0,0,0,0,0,0,0] fi:0
+// GFX12: v_trunc_f16_e64_dpp v255.l, -|v255.l| clamp div:2 dpp8:[0,0,0,0,0,0,0,0] ; encoding: [0xff,0x81,0xdd,0xd5,0xe9,0x00,0x00,0x38,0xff,0x00,0x00,0x00]
+
+v_trunc_f16_e64_dpp v5.h, v1.h mul:2 dpp8:[7,6,5,4,3,2,1,0]
+// GFX12: v_trunc_f16_e64_dpp v5.h, v1.h op_sel:[1,1] mul:2 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x48,0xdd,0xd5,0xe9,0x00,0x00,0x08,0x01,0x77,0x39,0x05]
+
+v_trunc_f16_e64_dpp v5.l, v1.h mul:4 dpp8:[7,6,5,4,3,2,1,0] fi:1
+// GFX12: v_trunc_f16_e64_dpp v5.l, v1.h op_sel:[1,0] mul:4 dpp8:[7,6,5,4,3,2,1,0] fi:1 ; encoding: [0x05,0x08,0xdd,0xd5,0xea,0x00,0x00,0x10,0x01,0x77,0x39,0x05]
+
+v_trunc_f16_e64_dpp v255.h, -|v255.l| clamp div:2 dpp8:[0,0,0,0,0,0,0,0] fi:0
+// GFX12: v_trunc_f16_e64_dpp v255.h, -|v255.l| op_sel:[0,1] clamp div:2 dpp8:[0,0,0,0,0,0,0,0] ; encoding: [0xff,0xc1,0xdd,0xd5,0xe9,0x00,0x00,0x38,0xff,0x00,0x00,0x00]
 
 v_trunc_f32_e64_dpp v5, v1 dpp8:[7,6,5,4,3,2,1,0]
 // GFX12: v_trunc_f32_e64_dpp v5, v1 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0xa1,0xd5,0xe9,0x00,0x00,0x00,0x01,0x77,0x39,0x05]

diff  --git a/llvm/test/MC/Disassembler/AMDGPU/gfx11_dasm_vop1.txt b/llvm/test/MC/Disassembler/AMDGPU/gfx11_dasm_vop1.txt
index f02f0206acd2f6..8cf2c2b4f2d1e6 100644
--- a/llvm/test/MC/Disassembler/AMDGPU/gfx11_dasm_vop1.txt
+++ b/llvm/test/MC/Disassembler/AMDGPU/gfx11_dasm_vop1.txt
@@ -3545,49 +3545,82 @@
 # GFX11: v_swaprel_b32 v255, v255                ; encoding: [0xff,0xd1,0xfe,0x7f]
 
 0x01,0xbb,0x0a,0x7e
-# GFX11: v_trunc_f16_e32 v5, v1                  ; encoding: [0x01,0xbb,0x0a,0x7e]
+# GFX11-REAL16: v_trunc_f16_e32 v5.l, v1.l              ; encoding: [0x01,0xbb,0x0a,0x7e]
+# GFX11-FAKE16: v_trunc_f16_e32 v5, v1                  ; encoding: [0x01,0xbb,0x0a,0x7e]
 
 0x7f,0xbb,0x0a,0x7e
-# GFX11: v_trunc_f16_e32 v5, v127                ; encoding: [0x7f,0xbb,0x0a,0x7e]
+# GFX11-REAL16: v_trunc_f16_e32 v5.l, v127.l            ; encoding: [0x7f,0xbb,0x0a,0x7e]
+# GFX11-FAKE16: v_trunc_f16_e32 v5, v127                ; encoding: [0x7f,0xbb,0x0a,0x7e]
 
 0x01,0xba,0x0a,0x7e
-# GFX11: v_trunc_f16_e32 v5, s1                  ; encoding: [0x01,0xba,0x0a,0x7e]
+# GFX11-REAL16: v_trunc_f16_e32 v5.l, s1                ; encoding: [0x01,0xba,0x0a,0x7e]
+# GFX11-FAKE16: v_trunc_f16_e32 v5, s1                  ; encoding: [0x01,0xba,0x0a,0x7e]
 
 0x69,0xba,0x0a,0x7e
-# GFX11: v_trunc_f16_e32 v5, s105                ; encoding: [0x69,0xba,0x0a,0x7e]
+# GFX11-REAL16: v_trunc_f16_e32 v5.l, s105              ; encoding: [0x69,0xba,0x0a,0x7e]
+# GFX11-FAKE16: v_trunc_f16_e32 v5, s105                ; encoding: [0x69,0xba,0x0a,0x7e]
 
 0x6a,0xba,0x0a,0x7e
-# GFX11: v_trunc_f16_e32 v5, vcc_lo              ; encoding: [0x6a,0xba,0x0a,0x7e]
+# GFX11-REAL16: v_trunc_f16_e32 v5.l, vcc_lo            ; encoding: [0x6a,0xba,0x0a,0x7e]
+# GFX11-FAKE16: v_trunc_f16_e32 v5, vcc_lo              ; encoding: [0x6a,0xba,0x0a,0x7e]
 
 0x6b,0xba,0x0a,0x7e
-# GFX11: v_trunc_f16_e32 v5, vcc_hi              ; encoding: [0x6b,0xba,0x0a,0x7e]
+# GFX11-REAL16: v_trunc_f16_e32 v5.l, vcc_hi            ; encoding: [0x6b,0xba,0x0a,0x7e]
+# GFX11-FAKE16: v_trunc_f16_e32 v5, vcc_hi              ; encoding: [0x6b,0xba,0x0a,0x7e]
 
 0x7b,0xba,0x0a,0x7e
-# GFX11: v_trunc_f16_e32 v5, ttmp15              ; encoding: [0x7b,0xba,0x0a,0x7e]
+# GFX11-REAL16: v_trunc_f16_e32 v5.l, ttmp15            ; encoding: [0x7b,0xba,0x0a,0x7e]
+# GFX11-FAKE16: v_trunc_f16_e32 v5, ttmp15              ; encoding: [0x7b,0xba,0x0a,0x7e]
 
 0x7d,0xba,0x0a,0x7e
-# GFX11: v_trunc_f16_e32 v5, m0                  ; encoding: [0x7d,0xba,0x0a,0x7e]
+# GFX11-REAL16: v_trunc_f16_e32 v5.l, m0                ; encoding: [0x7d,0xba,0x0a,0x7e]
+# GFX11-FAKE16: v_trunc_f16_e32 v5, m0                  ; encoding: [0x7d,0xba,0x0a,0x7e]
 
 0x7e,0xba,0x0a,0x7e
-# GFX11: v_trunc_f16_e32 v5, exec_lo             ; encoding: [0x7e,0xba,0x0a,0x7e]
+# GFX11-REAL16: v_trunc_f16_e32 v5.l, exec_lo           ; encoding: [0x7e,0xba,0x0a,0x7e]
+# GFX11-FAKE16: v_trunc_f16_e32 v5, exec_lo             ; encoding: [0x7e,0xba,0x0a,0x7e]
 
 0x7f,0xba,0x0a,0x7e
-# GFX11: v_trunc_f16_e32 v5, exec_hi             ; encoding: [0x7f,0xba,0x0a,0x7e]
+# GFX11-REAL16: v_trunc_f16_e32 v5.l, exec_hi           ; encoding: [0x7f,0xba,0x0a,0x7e]
+# GFX11-FAKE16: v_trunc_f16_e32 v5, exec_hi             ; encoding: [0x7f,0xba,0x0a,0x7e]
 
 0x7c,0xba,0x0a,0x7e
-# GFX11: v_trunc_f16_e32 v5, null                ; encoding: [0x7c,0xba,0x0a,0x7e]
+# GFX11-REAL16: v_trunc_f16_e32 v5.l, null              ; encoding: [0x7c,0xba,0x0a,0x7e]
+# GFX11-FAKE16: v_trunc_f16_e32 v5, null                ; encoding: [0x7c,0xba,0x0a,0x7e]
 
 0xc1,0xba,0x0a,0x7e
-# GFX11: v_trunc_f16_e32 v5, -1                  ; encoding: [0xc1,0xba,0x0a,0x7e]
+# GFX11-REAL16: v_trunc_f16_e32 v5.l, -1                ; encoding: [0xc1,0xba,0x0a,0x7e]
+# GFX11-FAKE16: v_trunc_f16_e32 v5, -1                  ; encoding: [0xc1,0xba,0x0a,0x7e]
 
 0xf0,0xba,0x0a,0x7e
-# GFX11: v_trunc_f16_e32 v5, 0.5                 ; encoding: [0xf0,0xba,0x0a,0x7e]
+# GFX11-REAL16: v_trunc_f16_e32 v5.l, 0.5               ; encoding: [0xf0,0xba,0x0a,0x7e]
+# GFX11-FAKE16: v_trunc_f16_e32 v5, 0.5                 ; encoding: [0xf0,0xba,0x0a,0x7e]
 
 0xfd,0xba,0x0a,0x7e
-# GFX11: v_trunc_f16_e32 v5, src_scc             ; encoding: [0xfd,0xba,0x0a,0x7e]
+# GFX11-REAL16: v_trunc_f16_e32 v5.l, src_scc           ; encoding: [0xfd,0xba,0x0a,0x7e]
+# GFX11-FAKE16: v_trunc_f16_e32 v5, src_scc             ; encoding: [0xfd,0xba,0x0a,0x7e]
 
 0xff,0xba,0xfe,0x7e,0x0b,0xfe,0x00,0x00
-# GFX11: v_trunc_f16_e32 v127, 0xfe0b            ; encoding: [0xff,0xba,0xfe,0x7e,0x0b,0xfe,0x00,0x00]
+# GFX11-REAL16: v_trunc_f16_e32 v127.l, 0xfe0b          ; encoding: [0xff,0xba,0xfe,0x7e,0x0b,0xfe,0x00,0x00]
+# GFX11-FAKE16: v_trunc_f16_e32 v127, 0xfe0b            ; encoding: [0xff,0xba,0xfe,0x7e,0x0b,0xfe,0x00,0x00]
+
+0x81,0xbb,0x0a,0x7e
+# GFX11-REAL16: v_trunc_f16_e32 v5.l, v1.h              ; encoding: [0x81,0xbb,0x0a,0x7e]
+# GFX11-FAKE16: v_trunc_f16_e32 v5, v129/*Invalid register, operand has 'VS_32_Lo128' register class*/ ; encoding: [0x81,0xbb,0x0a,0x7e]
+
+0xff,0xbb,0x0a,0x7e
+# GFX11-REAL16: v_trunc_f16_e32 v5.l, v127.h            ; encoding: [0xff,0xbb,0x0a,0x7e]
+# GFX11-FAKE16: v_trunc_f16_e32 v5, v255/*Invalid register, operand has 'VS_32_Lo128' register class*/ ; encoding: [0xff,0xbb,0x0a,0x7e]
+
+0xf0,0xba,0xfe,0x7e
+# GFX11-REAL16: v_trunc_f16_e32 v127.l, 0.5             ; encoding: [0xf0,0xba,0xfe,0x7e]
+# GFX11-FAKE16: v_trunc_f16_e32 v127, 0.5               ; encoding: [0xf0,0xba,0xfe,0x7e]
+
+0xfd,0xba,0x0a,0x7f
+# GFX11-REAL16: v_trunc_f16_e32 v5.h, src_scc           ; encoding: [0xfd,0xba,0x0a,0x7f]
+
+0xff,0xba,0xfe,0x7f,0x0b,0xfe,0x00,0x00
+# GFX11-REAL16: v_trunc_f16_e32 v127.h, 0xfe0b          ; encoding: [0xff,0xba,0xfe,0x7f,0x0b,0xfe,0x00,0x00]
 
 0x01,0x43,0x0a,0x7e
 # GFX11: v_trunc_f32_e32 v5, v1                  ; encoding: [0x01,0x43,0x0a,0x7e]

diff  --git a/llvm/test/MC/Disassembler/AMDGPU/gfx11_dasm_vop1_dpp16.txt b/llvm/test/MC/Disassembler/AMDGPU/gfx11_dasm_vop1_dpp16.txt
index a4491e02abf058..b9a499549d12cd 100644
--- a/llvm/test/MC/Disassembler/AMDGPU/gfx11_dasm_vop1_dpp16.txt
+++ b/llvm/test/MC/Disassembler/AMDGPU/gfx11_dasm_vop1_dpp16.txt
@@ -2775,46 +2775,72 @@
 # GFX11: v_sqrt_f32_dpp v255, -|v255| row_xmask:15 row_mask:0x3 bank_mask:0x0 bound_ctrl:1 fi:1 ; encoding: [0xfa,0x66,0xfe,0x7f,0xff,0x6f,0x3d,0x30]
 
 0xfa,0xba,0x0a,0x7e,0x01,0x1b,0x00,0xff
-# GFX11: v_trunc_f16_dpp v5, v1 quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x1b,0x00,0xff]
+# GFX11-REAL16: v_trunc_f16_dpp v5.l, v1.l quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x1b,0x00,0xff]
+# GFX11-FAKE16: v_trunc_f16_dpp v5, v1 quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x1b,0x00,0xff]
 
 0xfa,0xba,0x0a,0x7e,0x01,0xe4,0x00,0xff
-# GFX11: v_trunc_f16_dpp v5, v1 quad_perm:[0,1,2,3] row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0xe4,0x00,0xff]
+# GFX11-REAL16: v_trunc_f16_dpp v5.l, v1.l quad_perm:[0,1,2,3] row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0xe4,0x00,0xff]
+# GFX11-FAKE16: v_trunc_f16_dpp v5, v1 quad_perm:[0,1,2,3] row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0xe4,0x00,0xff]
 
 0xfa,0xba,0x0a,0x7e,0x01,0x40,0x01,0xff
-# GFX11: v_trunc_f16_dpp v5, v1 row_mirror row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x40,0x01,0xff]
+# GFX11-REAL16: v_trunc_f16_dpp v5.l, v1.l row_mirror row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x40,0x01,0xff]
+# GFX11-FAKE16: v_trunc_f16_dpp v5, v1 row_mirror row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x40,0x01,0xff]
 
 0xfa,0xba,0x0a,0x7e,0x01,0x41,0x01,0xff
-# GFX11: v_trunc_f16_dpp v5, v1 row_half_mirror row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x41,0x01,0xff]
+# GFX11-REAL16: v_trunc_f16_dpp v5.l, v1.l row_half_mirror row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x41,0x01,0xff]
+# GFX11-FAKE16: v_trunc_f16_dpp v5, v1 row_half_mirror row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x41,0x01,0xff]
 
 0xfa,0xba,0x0a,0x7e,0x01,0x01,0x01,0xff
-# GFX11: v_trunc_f16_dpp v5, v1 row_shl:1 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x01,0x01,0xff]
+# GFX11-REAL16: v_trunc_f16_dpp v5.l, v1.l row_shl:1 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x01,0x01,0xff]
+# GFX11-FAKE16: v_trunc_f16_dpp v5, v1 row_shl:1 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x01,0x01,0xff]
 
 0xfa,0xba,0x0a,0x7e,0x01,0x0f,0x01,0xff
-# GFX11: v_trunc_f16_dpp v5, v1 row_shl:15 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x0f,0x01,0xff]
+# GFX11-REAL16: v_trunc_f16_dpp v5.l, v1.l row_shl:15 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x0f,0x01,0xff]
+# GFX11-FAKE16: v_trunc_f16_dpp v5, v1 row_shl:15 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x0f,0x01,0xff]
 
 0xfa,0xba,0x0a,0x7e,0x01,0x11,0x01,0xff
-# GFX11: v_trunc_f16_dpp v5, v1 row_shr:1 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x11,0x01,0xff]
+# GFX11-REAL16: v_trunc_f16_dpp v5.l, v1.l row_shr:1 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x11,0x01,0xff]
+# GFX11-FAKE16: v_trunc_f16_dpp v5, v1 row_shr:1 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x11,0x01,0xff]
 
 0xfa,0xba,0x0a,0x7e,0x01,0x1f,0x01,0xff
-# GFX11: v_trunc_f16_dpp v5, v1 row_shr:15 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x1f,0x01,0xff]
+# GFX11-REAL16: v_trunc_f16_dpp v5.l, v1.l row_shr:15 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x1f,0x01,0xff]
+# GFX11-FAKE16: v_trunc_f16_dpp v5, v1 row_shr:15 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x1f,0x01,0xff]
 
 0xfa,0xba,0x0a,0x7e,0x01,0x21,0x01,0xff
-# GFX11: v_trunc_f16_dpp v5, v1 row_ror:1 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x21,0x01,0xff]
+# GFX11-REAL16: v_trunc_f16_dpp v5.l, v1.l row_ror:1 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x21,0x01,0xff]
+# GFX11-FAKE16: v_trunc_f16_dpp v5, v1 row_ror:1 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x21,0x01,0xff]
 
 0xfa,0xba,0x0a,0x7e,0x01,0x2f,0x01,0xff
-# GFX11: v_trunc_f16_dpp v5, v1 row_ror:15 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x2f,0x01,0xff]
+# GFX11-REAL16: v_trunc_f16_dpp v5.l, v1.l row_ror:15 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x2f,0x01,0xff]
+# GFX11-FAKE16: v_trunc_f16_dpp v5, v1 row_ror:15 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x2f,0x01,0xff]
 
 0xfa,0xba,0x0a,0x7e,0x01,0x50,0x01,0xff
-# GFX11: v_trunc_f16_dpp v5, v1 row_share:0 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x50,0x01,0xff]
+# GFX11-REAL16: v_trunc_f16_dpp v5.l, v1.l row_share:0 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x50,0x01,0xff]
+# GFX11-FAKE16: v_trunc_f16_dpp v5, v1 row_share:0 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x50,0x01,0xff]
 
 0xfa,0xba,0x0a,0x7e,0x01,0x5f,0x01,0x01
-# GFX11: v_trunc_f16_dpp v5, v1 row_share:15 row_mask:0x0 bank_mask:0x1 ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x5f,0x01,0x01]
+# GFX11-REAL16: v_trunc_f16_dpp v5.l, v1.l row_share:15 row_mask:0x0 bank_mask:0x1 ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x5f,0x01,0x01]
+# GFX11-FAKE16: v_trunc_f16_dpp v5, v1 row_share:15 row_mask:0x0 bank_mask:0x1 ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x5f,0x01,0x01]
 
 0xfa,0xba,0x0a,0x7e,0x01,0x60,0x01,0x13
-# GFX11: v_trunc_f16_dpp v5, v1 row_xmask:0 row_mask:0x1 bank_mask:0x3 ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x60,0x01,0x13]
+# GFX11-REAL16: v_trunc_f16_dpp v5.l, v1.l row_xmask:0 row_mask:0x1 bank_mask:0x3 ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x60,0x01,0x13]
+# GFX11-FAKE16: v_trunc_f16_dpp v5, v1 row_xmask:0 row_mask:0x1 bank_mask:0x3 ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x60,0x01,0x13]
 
 0xfa,0xba,0xfe,0x7e,0x7f,0x6f,0x3d,0x30
-# GFX11: v_trunc_f16_dpp v127, -|v127| row_xmask:15 row_mask:0x3 bank_mask:0x0 bound_ctrl:1 fi:1 ; encoding: [0xfa,0xba,0xfe,0x7e,0x7f,0x6f,0x3d,0x30]
+# GFX11-REAL16: v_trunc_f16_dpp v127.l, -|v127.l| row_xmask:15 row_mask:0x3 bank_mask:0x0 bound_ctrl:1 fi:1 ; encoding: [0xfa,0xba,0xfe,0x7e,0x7f,0x6f,0x3d,0x30]
+# GFX11-FAKE16: v_trunc_f16_dpp v127, -|v127| row_xmask:15 row_mask:0x3 bank_mask:0x0 bound_ctrl:1 fi:1 ; encoding: [0xfa,0xba,0xfe,0x7e,0x7f,0x6f,0x3d,0x30]
+
+0xfa,0xba,0xfe,0x7e,0x7f,0x5f,0x01,0x01
+# GFX11-REAL16: v_trunc_f16_dpp v127.l, v127.l row_share:15 row_mask:0x0 bank_mask:0x1 ; encoding: [0xfa,0xba,0xfe,0x7e,0x7f,0x5f,0x01,0x01]
+# GFX11-FAKE16: v_trunc_f16_dpp v127, v127 row_share:15 row_mask:0x0 bank_mask:0x1 ; encoding: [0xfa,0xba,0xfe,0x7e,0x7f,0x5f,0x01,0x01]
+
+0xfa,0xba,0x0a,0x7f,0x81,0x60,0x01,0x13
+# GFX11-REAL16: v_trunc_f16_dpp v5.h, v1.h row_xmask:0 row_mask:0x1 bank_mask:0x3 ; encoding: [0xfa,0xba,0x0a,0x7f,0x81,0x60,0x01,0x13]
+# GFX11-FAKE16: v_mul_i32_i24_e32 v128, 1, v176         ; encoding: [0x81,0x60,0x01,0x13]
+
+0xfa,0xba,0xfe,0x7f,0xff,0x6f,0x3d,0x30
+# GFX11-REAL16: v_trunc_f16_dpp v127.h, -|v127.h| row_xmask:15 row_mask:0x3 bank_mask:0x0 bound_ctrl:1 fi:1 ; encoding: [0xfa,0xba,0xfe,0x7f,0xff,0x6f,0x3d,0x30]
+# GFX11-FAKE16: v_lshlrev_b32_e32 v30, v255, v183       ; encoding: [0xff,0x6f,0x3d,0x30]
 
 0xfa,0x42,0x0a,0x7e,0x01,0x1b,0x00,0xff
 # GFX11: v_trunc_f32_dpp v5, v1 quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0x42,0x0a,0x7e,0x01,0x1b,0x00,0xff]

diff  --git a/llvm/test/MC/Disassembler/AMDGPU/gfx11_dasm_vop1_dpp8.txt b/llvm/test/MC/Disassembler/AMDGPU/gfx11_dasm_vop1_dpp8.txt
index 4e157312031687..80c739a98f65f2 100644
--- a/llvm/test/MC/Disassembler/AMDGPU/gfx11_dasm_vop1_dpp8.txt
+++ b/llvm/test/MC/Disassembler/AMDGPU/gfx11_dasm_vop1_dpp8.txt
@@ -522,10 +522,23 @@
 # GFX11: v_sqrt_f32_dpp v255, v255 dpp8:[0,0,0,0,0,0,0,0] fi:1 ; encoding: [0xea,0x66,0xfe,0x7f,0xff,0x00,0x00,0x00]
 
 0xe9,0xba,0x0a,0x7e,0x01,0x77,0x39,0x05
-# GFX11: v_trunc_f16_dpp v5, v1 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0xe9,0xba,0x0a,0x7e,0x01,0x77,0x39,0x05]
+# GFX11-REAL16: v_trunc_f16_dpp v5.l, v1.l dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0xe9,0xba,0x0a,0x7e,0x01,0x77,0x39,0x05]
+# GFX11-FAKE16: v_trunc_f16_dpp v5, v1 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0xe9,0xba,0x0a,0x7e,0x01,0x77,0x39,0x05]
 
 0xea,0xba,0xfe,0x7e,0x7f,0x00,0x00,0x00
-# GFX11: v_trunc_f16_dpp v127, v127 dpp8:[0,0,0,0,0,0,0,0] fi:1 ; encoding: [0xea,0xba,0xfe,0x7e,0x7f,0x00,0x00,0x00]
+# GFX11-REAL16: v_trunc_f16_dpp v127.l, v127.l dpp8:[0,0,0,0,0,0,0,0] fi:1 ; encoding: [0xea,0xba,0xfe,0x7e,0x7f,0x00,0x00,0x00]
+# GFX11-FAKE16: v_trunc_f16_dpp v127, v127 dpp8:[0,0,0,0,0,0,0,0] fi:1 ; encoding: [0xea,0xba,0xfe,0x7e,0x7f,0x00,0x00,0x00]
+
+0xe9,0xba,0xfe,0x7e,0x7f,0x77,0x39,0x05
+# GFX11-REAL16: v_trunc_f16_dpp v127.l, v127.l dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0xe9,0xba,0xfe,0x7e,0x7f,0x77,0x39,0x05]
+# GFX11-FAKE16: v_trunc_f16_dpp v127, v127 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0xe9,0xba,0xfe,0x7e,0x7f,0x77,0x39,0x05]
+
+0xe9,0xba,0x0a,0x7f,0x81,0x77,0x39,0x05
+# GFX11-REAL16: v_trunc_f16_dpp v5.h, v1.h dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0xe9,0xba,0x0a,0x7f,0x81,0x77,0x39,0x05]
+# GFX11-FAKE16: v_dot2acc_f32_f16 v156, v129, v187      ; encoding: [0x81,0x77,0x39,0x05]
+
+0xea,0xba,0xfe,0x7f,0xff,0x00,0x00,0x00
+# GFX11-REAL16: v_trunc_f16_dpp v127.h, v127.h dpp8:[0,0,0,0,0,0,0,0] fi:1 ; encoding: [0xea,0xba,0xfe,0x7f,0xff,0x00,0x00,0x00]
 
 0xe9,0x42,0x0a,0x7e,0x01,0x77,0x39,0x05
 # GFX11: v_trunc_f32_dpp v5, v1 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0xe9,0x42,0x0a,0x7e,0x01,0x77,0x39,0x05]

diff  --git a/llvm/test/MC/Disassembler/AMDGPU/gfx11_dasm_vop3_dpp16_from_vop1.txt b/llvm/test/MC/Disassembler/AMDGPU/gfx11_dasm_vop3_dpp16_from_vop1.txt
index f97c678e6a90a5..fd84ed734fb31f 100644
--- a/llvm/test/MC/Disassembler/AMDGPU/gfx11_dasm_vop3_dpp16_from_vop1.txt
+++ b/llvm/test/MC/Disassembler/AMDGPU/gfx11_dasm_vop3_dpp16_from_vop1.txt
@@ -2941,46 +2941,72 @@
 # GFX11: v_sqrt_f32_e64_dpp v255, -|v255| clamp div:2 row_xmask:15 row_mask:0x3 bank_mask:0x0 bound_ctrl:1 fi:1 ; encoding: [0xff,0x81,0xb3,0xd5,0xfa,0x00,0x00,0x38,0xff,0x6f,0x0d,0x30]
 
 0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x1b,0x00,0xff
-# GFX11: v_trunc_f16_e64_dpp v5, v1 quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x1b,0x00,0xff]
+# GFX11-REAL16: v_trunc_f16_e64_dpp v5.l, v1.l quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x1b,0x00,0xff]
+# GFX11-FAKE16: v_trunc_f16_e64_dpp v5, v1 quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x1b,0x00,0xff]
 
 0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0xe4,0x00,0xff
-# GFX11: v_trunc_f16_e64_dpp v5, v1 quad_perm:[0,1,2,3] row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0xe4,0x00,0xff]
+# GFX11-REAL16: v_trunc_f16_e64_dpp v5.l, v1.l quad_perm:[0,1,2,3] row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0xe4,0x00,0xff]
+# GFX11-FAKE16: v_trunc_f16_e64_dpp v5, v1 quad_perm:[0,1,2,3] row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0xe4,0x00,0xff]
 
 0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x40,0x01,0xff
-# GFX11: v_trunc_f16_e64_dpp v5, v1 row_mirror row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x40,0x01,0xff]
+# GFX11-REAL16: v_trunc_f16_e64_dpp v5.l, v1.l row_mirror row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x40,0x01,0xff]
+# GFX11-FAKE16: v_trunc_f16_e64_dpp v5, v1 row_mirror row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x40,0x01,0xff]
 
 0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x41,0x01,0xff
-# GFX11: v_trunc_f16_e64_dpp v5, v1 row_half_mirror row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x41,0x01,0xff]
+# GFX11-REAL16: v_trunc_f16_e64_dpp v5.l, v1.l row_half_mirror row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x41,0x01,0xff]
+# GFX11-FAKE16: v_trunc_f16_e64_dpp v5, v1 row_half_mirror row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x41,0x01,0xff]
 
 0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x01,0x01,0xff
-# GFX11: v_trunc_f16_e64_dpp v5, v1 row_shl:1 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x01,0x01,0xff]
+# GFX11-REAL16: v_trunc_f16_e64_dpp v5.l, v1.l row_shl:1 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x01,0x01,0xff]
+# GFX11-FAKE16: v_trunc_f16_e64_dpp v5, v1 row_shl:1 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x01,0x01,0xff]
 
 0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x0f,0x01,0xff
-# GFX11: v_trunc_f16_e64_dpp v5, v1 row_shl:15 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x0f,0x01,0xff]
+# GFX11-REAL16: v_trunc_f16_e64_dpp v5.l, v1.l row_shl:15 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x0f,0x01,0xff]
+# GFX11-FAKE16: v_trunc_f16_e64_dpp v5, v1 row_shl:15 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x0f,0x01,0xff]
 
 0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x11,0x01,0xff
-# GFX11: v_trunc_f16_e64_dpp v5, v1 row_shr:1 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x11,0x01,0xff]
+# GFX11-REAL16: v_trunc_f16_e64_dpp v5.l, v1.l row_shr:1 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x11,0x01,0xff]
+# GFX11-FAKE16: v_trunc_f16_e64_dpp v5, v1 row_shr:1 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x11,0x01,0xff]
 
 0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x1f,0x01,0xff
-# GFX11: v_trunc_f16_e64_dpp v5, v1 row_shr:15 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x1f,0x01,0xff]
+# GFX11-REAL16: v_trunc_f16_e64_dpp v5.l, v1.l row_shr:15 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x1f,0x01,0xff]
+# GFX11-FAKE16: v_trunc_f16_e64_dpp v5, v1 row_shr:15 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x1f,0x01,0xff]
 
 0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x21,0x01,0xff
-# GFX11: v_trunc_f16_e64_dpp v5, v1 row_ror:1 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x21,0x01,0xff]
+# GFX11-REAL16: v_trunc_f16_e64_dpp v5.l, v1.l row_ror:1 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x21,0x01,0xff]
+# GFX11-FAKE16: v_trunc_f16_e64_dpp v5, v1 row_ror:1 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x21,0x01,0xff]
 
 0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x2f,0x01,0xff
-# GFX11: v_trunc_f16_e64_dpp v5, v1 row_ror:15 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x2f,0x01,0xff]
+# GFX11-REAL16: v_trunc_f16_e64_dpp v5.l, v1.l row_ror:15 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x2f,0x01,0xff]
+# GFX11-FAKE16: v_trunc_f16_e64_dpp v5, v1 row_ror:15 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x2f,0x01,0xff]
 
 0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x50,0x01,0xff
-# GFX11: v_trunc_f16_e64_dpp v5, v1 row_share:0 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x50,0x01,0xff]
+# GFX11-REAL16: v_trunc_f16_e64_dpp v5.l, v1.l row_share:0 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x50,0x01,0xff]
+# GFX11-FAKE16: v_trunc_f16_e64_dpp v5, v1 row_share:0 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x50,0x01,0xff]
 
 0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x08,0x01,0x5f,0x01,0x01
-# GFX11: v_trunc_f16_e64_dpp v5, v1 mul:2 row_share:15 row_mask:0x0 bank_mask:0x1 ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x08,0x01,0x5f,0x01,0x01]
+# GFX11-REAL16: v_trunc_f16_e64_dpp v5.l, v1.l mul:2 row_share:15 row_mask:0x0 bank_mask:0x1 ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x08,0x01,0x5f,0x01,0x01]
+# GFX11-FAKE16: v_trunc_f16_e64_dpp v5, v1 mul:2 row_share:15 row_mask:0x0 bank_mask:0x1 ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x08,0x01,0x5f,0x01,0x01]
 
 0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x10,0x01,0x60,0x01,0x13
-# GFX11: v_trunc_f16_e64_dpp v5, v1 mul:4 row_xmask:0 row_mask:0x1 bank_mask:0x3 ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x10,0x01,0x60,0x01,0x13]
+# GFX11-REAL16: v_trunc_f16_e64_dpp v5.l, v1.l mul:4 row_xmask:0 row_mask:0x1 bank_mask:0x3 ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x10,0x01,0x60,0x01,0x13]
+# GFX11-FAKE16: v_trunc_f16_e64_dpp v5, v1 mul:4 row_xmask:0 row_mask:0x1 bank_mask:0x3 ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x10,0x01,0x60,0x01,0x13]
 
 0xff,0x81,0xdd,0xd5,0xfa,0x00,0x00,0x38,0xff,0x6f,0x0d,0x30
-# GFX11: v_trunc_f16_e64_dpp v255, -|v255| clamp div:2 row_xmask:15 row_mask:0x3 bank_mask:0x0 bound_ctrl:1 fi:1 ; encoding: [0xff,0x81,0xdd,0xd5,0xfa,0x00,0x00,0x38,0xff,0x6f,0x0d,0x30]
+# GFX11-REAL16: v_trunc_f16_e64_dpp v255.l, -|v255.l| clamp div:2 row_xmask:15 row_mask:0x3 bank_mask:0x0 bound_ctrl:1 fi:1 ; encoding: [0xff,0x81,0xdd,0xd5,0xfa,0x00,0x00,0x38,0xff,0x6f,0x0d,0x30]
+# GFX11-FAKE16: v_trunc_f16_e64_dpp v255, -|v255| clamp div:2 row_xmask:15 row_mask:0x3 bank_mask:0x0 bound_ctrl:1 fi:1 ; encoding: [0xff,0x81,0xdd,0xd5,0xfa,0x00,0x00,0x38,0xff,0x6f,0x0d,0x30]
+
+0x05,0x48,0xdd,0xd5,0xfa,0x00,0x00,0x08,0x01,0x5f,0x01,0x01
+# GFX11-REAL16: v_trunc_f16_e64_dpp v5.h, v1.h op_sel:[1,1] mul:2 row_share:15 row_mask:0x0 bank_mask:0x1 ; encoding: [0x05,0x48,0xdd,0xd5,0xfa,0x00,0x00,0x08,0x01,0x5f,0x01,0x01]
+# GFX11-FAKE16: v_trunc_f16_e64_dpp v5, v1 mul:2 row_share:15 row_mask:0x0 bank_mask:0x1 ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x08,0x01,0x5f,0x01,0x01]
+
+0x05,0x08,0xdd,0xd5,0xfa,0x00,0x00,0x10,0x01,0x60,0x01,0x13
+# GFX11-REAL16: v_trunc_f16_e64_dpp v5.l, v1.h op_sel:[1,0] mul:4 row_xmask:0 row_mask:0x1 bank_mask:0x3 ; encoding: [0x05,0x08,0xdd,0xd5,0xfa,0x00,0x00,0x10,0x01,0x60,0x01,0x13]
+# GFX11-FAKE16: v_trunc_f16_e64_dpp v5, v1 mul:4 row_xmask:0 row_mask:0x1 bank_mask:0x3 ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x10,0x01,0x60,0x01,0x13]
+
+0xff,0xc1,0xdd,0xd5,0xfa,0x00,0x00,0x38,0xff,0x6f,0x0d,0x30
+# GFX11-REAL16: v_trunc_f16_e64_dpp v255.h, -|v255.l| op_sel:[0,1] clamp div:2 row_xmask:15 row_mask:0x3 bank_mask:0x0 bound_ctrl:1 fi:1 ; encoding: [0xff,0xc1,0xdd,0xd5,0xfa,0x00,0x00,0x38,0xff,0x6f,0x0d,0x30]
+# GFX11-FAKE16: v_trunc_f16_e64_dpp v255, -|v255| clamp div:2 row_xmask:15 row_mask:0x3 bank_mask:0x0 bound_ctrl:1 fi:1 ; encoding: [0xff,0x81,0xdd,0xd5,0xfa,0x00,0x00,0x38,0xff,0x6f,0x0d,0x30]
 
 0x05,0x00,0xa1,0xd5,0xfa,0x00,0x00,0x00,0x01,0x1b,0x00,0xff
 # GFX11: v_trunc_f32_e64_dpp v5, v1 quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xa1,0xd5,0xfa,0x00,0x00,0x00,0x01,0x1b,0x00,0xff]

diff  --git a/llvm/test/MC/Disassembler/AMDGPU/gfx11_dasm_vop3_dpp8_from_vop1.txt b/llvm/test/MC/Disassembler/AMDGPU/gfx11_dasm_vop3_dpp8_from_vop1.txt
index 3cad28d8882022..0edbff63d60eda 100644
--- a/llvm/test/MC/Disassembler/AMDGPU/gfx11_dasm_vop3_dpp8_from_vop1.txt
+++ b/llvm/test/MC/Disassembler/AMDGPU/gfx11_dasm_vop3_dpp8_from_vop1.txt
@@ -803,16 +803,32 @@
 # GFX11: v_sqrt_f32_e64_dpp v255, -|v255| clamp div:2 dpp8:[0,0,0,0,0,0,0,0] fi:1 ; encoding: [0xff,0x81,0xb3,0xd5,0xea,0x00,0x00,0x38,0xff,0x00,0x00,0x00]
 
 0x05,0x00,0xdd,0xd5,0xe9,0x00,0x00,0x00,0x01,0x77,0x39,0x05
-# GFX11: v_trunc_f16_e64_dpp v5, v1 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0xdd,0xd5,0xe9,0x00,0x00,0x00,0x01,0x77,0x39,0x05]
+# GFX11-REAL16: v_trunc_f16_e64_dpp v5.l, v1.l dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0xdd,0xd5,0xe9,0x00,0x00,0x00,0x01,0x77,0x39,0x05]
+# GFX11-FAKE16: v_trunc_f16_e64_dpp v5, v1 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0xdd,0xd5,0xe9,0x00,0x00,0x00,0x01,0x77,0x39,0x05]
 
 0x05,0x00,0xdd,0xd5,0xe9,0x00,0x00,0x08,0x01,0x77,0x39,0x05
-# GFX11: v_trunc_f16_e64_dpp v5, v1 mul:2 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0xdd,0xd5,0xe9,0x00,0x00,0x08,0x01,0x77,0x39,0x05]
+# GFX11-REAL16: v_trunc_f16_e64_dpp v5.l, v1.l mul:2 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0xdd,0xd5,0xe9,0x00,0x00,0x08,0x01,0x77,0x39,0x05]
+# GFX11-FAKE16: v_trunc_f16_e64_dpp v5, v1 mul:2 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0xdd,0xd5,0xe9,0x00,0x00,0x08,0x01,0x77,0x39,0x05]
 
 0x05,0x00,0xdd,0xd5,0xe9,0x00,0x00,0x10,0x01,0x77,0x39,0x05
-# GFX11: v_trunc_f16_e64_dpp v5, v1 mul:4 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0xdd,0xd5,0xe9,0x00,0x00,0x10,0x01,0x77,0x39,0x05]
+# GFX11-REAL16: v_trunc_f16_e64_dpp v5.l, v1.l mul:4 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0xdd,0xd5,0xe9,0x00,0x00,0x10,0x01,0x77,0x39,0x05]
+# GFX11-FAKE16: v_trunc_f16_e64_dpp v5, v1 mul:4 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0xdd,0xd5,0xe9,0x00,0x00,0x10,0x01,0x77,0x39,0x05]
 
 0xff,0x81,0xdd,0xd5,0xea,0x00,0x00,0x38,0xff,0x00,0x00,0x00
-# GFX11: v_trunc_f16_e64_dpp v255, -|v255| clamp div:2 dpp8:[0,0,0,0,0,0,0,0] fi:1 ; encoding: [0xff,0x81,0xdd,0xd5,0xea,0x00,0x00,0x38,0xff,0x00,0x00,0x00]
+# GFX11-REAL16: v_trunc_f16_e64_dpp v255.l, -|v255.l| clamp div:2 dpp8:[0,0,0,0,0,0,0,0] fi:1 ; encoding: [0xff,0x81,0xdd,0xd5,0xea,0x00,0x00,0x38,0xff,0x00,0x00,0x00]
+# GFX11-FAKE16: v_trunc_f16_e64_dpp v255, -|v255| clamp div:2 dpp8:[0,0,0,0,0,0,0,0] fi:1 ; encoding: [0xff,0x81,0xdd,0xd5,0xea,0x00,0x00,0x38,0xff,0x00,0x00,0x00]
+
+0x05,0x48,0xdd,0xd5,0xe9,0x00,0x00,0x08,0x01,0x77,0x39,0x05
+# GFX11-REAL16: v_trunc_f16_e64_dpp v5.h, v1.h op_sel:[1,1] mul:2 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x48,0xdd,0xd5,0xe9,0x00,0x00,0x08,0x01,0x77,0x39,0x05]
+# GFX11-FAKE16: v_trunc_f16_e64_dpp v5, v1 mul:2 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0xdd,0xd5,0xe9,0x00,0x00,0x08,0x01,0x77,0x39,0x05]
+
+0x05,0x08,0xdd,0xd5,0xe9,0x00,0x00,0x10,0x01,0x77,0x39,0x05
+# GFX11-REAL16: v_trunc_f16_e64_dpp v5.l, v1.h op_sel:[1,0] mul:4 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x08,0xdd,0xd5,0xe9,0x00,0x00,0x10,0x01,0x77,0x39,0x05]
+# GFX11-FAKE16: v_trunc_f16_e64_dpp v5, v1 mul:4 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0xdd,0xd5,0xe9,0x00,0x00,0x10,0x01,0x77,0x39,0x05]
+
+0xff,0xc1,0xdd,0xd5,0xea,0x00,0x00,0x38,0xff,0x00,0x00,0x00
+# GFX11-REAL16: v_trunc_f16_e64_dpp v255.h, -|v255.l| op_sel:[0,1] clamp div:2 dpp8:[0,0,0,0,0,0,0,0] fi:1 ; encoding: [0xff,0xc1,0xdd,0xd5,0xea,0x00,0x00,0x38,0xff,0x00,0x00,0x00]
+# GFX11-FAKE16: v_trunc_f16_e64_dpp v255, -|v255| clamp div:2 dpp8:[0,0,0,0,0,0,0,0] fi:1 ; encoding: [0xff,0x81,0xdd,0xd5,0xea,0x00,0x00,0x38,0xff,0x00,0x00,0x00]
 
 0x05,0x00,0xa1,0xd5,0xe9,0x00,0x00,0x00,0x01,0x77,0x39,0x05
 # GFX11: v_trunc_f32_e64_dpp v5, v1 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0xa1,0xd5,0xe9,0x00,0x00,0x00,0x01,0x77,0x39,0x05]

diff  --git a/llvm/test/MC/Disassembler/AMDGPU/gfx11_dasm_vop3_from_vop1.txt b/llvm/test/MC/Disassembler/AMDGPU/gfx11_dasm_vop3_from_vop1.txt
index 8b2bc97c5de1f8..0406d780783055 100644
--- a/llvm/test/MC/Disassembler/AMDGPU/gfx11_dasm_vop3_from_vop1.txt
+++ b/llvm/test/MC/Disassembler/AMDGPU/gfx11_dasm_vop3_from_vop1.txt
@@ -3499,49 +3499,76 @@
 # GFX11: v_sqrt_f64_e64 v[254:255], 0xaf123456 clamp div:2 ; encoding: [0xfe,0x80,0xb4,0xd5,0xff,0x00,0x00,0x18,0x56,0x34,0x12,0xaf]
 
 0x05,0x00,0xdd,0xd5,0x01,0x01,0x00,0x00
-# GFX11: v_trunc_f16_e64 v5, v1                  ; encoding: [0x05,0x00,0xdd,0xd5,0x01,0x01,0x00,0x00]
+# GFX11-REAL16: v_trunc_f16_e64 v5.l, v1.l              ; encoding: [0x05,0x00,0xdd,0xd5,0x01,0x01,0x00,0x00]
+# GFX11-FAKE16: v_trunc_f16_e64 v5, v1                  ; encoding: [0x05,0x00,0xdd,0xd5,0x01,0x01,0x00,0x00]
 
 0x05,0x00,0xdd,0xd5,0xff,0x01,0x00,0x00
-# GFX11: v_trunc_f16_e64 v5, v255                ; encoding: [0x05,0x00,0xdd,0xd5,0xff,0x01,0x00,0x00]
+# GFX11-REAL16: v_trunc_f16_e64 v5.l, v255.l            ; encoding: [0x05,0x00,0xdd,0xd5,0xff,0x01,0x00,0x00]
+# GFX11-FAKE16: v_trunc_f16_e64 v5, v255                ; encoding: [0x05,0x00,0xdd,0xd5,0xff,0x01,0x00,0x00]
 
 0x05,0x00,0xdd,0xd5,0x01,0x00,0x00,0x00
-# GFX11: v_trunc_f16_e64 v5, s1                  ; encoding: [0x05,0x00,0xdd,0xd5,0x01,0x00,0x00,0x00]
+# GFX11-REAL16: v_trunc_f16_e64 v5.l, s1                ; encoding: [0x05,0x00,0xdd,0xd5,0x01,0x00,0x00,0x00]
+# GFX11-FAKE16: v_trunc_f16_e64 v5, s1                  ; encoding: [0x05,0x00,0xdd,0xd5,0x01,0x00,0x00,0x00]
 
 0x05,0x00,0xdd,0xd5,0x69,0x00,0x00,0x00
-# GFX11: v_trunc_f16_e64 v5, s105                ; encoding: [0x05,0x00,0xdd,0xd5,0x69,0x00,0x00,0x00]
+# GFX11-REAL16: v_trunc_f16_e64 v5.l, s105              ; encoding: [0x05,0x00,0xdd,0xd5,0x69,0x00,0x00,0x00]
+# GFX11-FAKE16: v_trunc_f16_e64 v5, s105                ; encoding: [0x05,0x00,0xdd,0xd5,0x69,0x00,0x00,0x00]
 
 0x05,0x00,0xdd,0xd5,0x6a,0x00,0x00,0x00
-# GFX11: v_trunc_f16_e64 v5, vcc_lo              ; encoding: [0x05,0x00,0xdd,0xd5,0x6a,0x00,0x00,0x00]
+# GFX11-REAL16: v_trunc_f16_e64 v5.l, vcc_lo            ; encoding: [0x05,0x00,0xdd,0xd5,0x6a,0x00,0x00,0x00]
+# GFX11-FAKE16: v_trunc_f16_e64 v5, vcc_lo              ; encoding: [0x05,0x00,0xdd,0xd5,0x6a,0x00,0x00,0x00]
 
 0x05,0x00,0xdd,0xd5,0x6b,0x00,0x00,0x00
-# GFX11: v_trunc_f16_e64 v5, vcc_hi              ; encoding: [0x05,0x00,0xdd,0xd5,0x6b,0x00,0x00,0x00]
+# GFX11-REAL16: v_trunc_f16_e64 v5.l, vcc_hi            ; encoding: [0x05,0x00,0xdd,0xd5,0x6b,0x00,0x00,0x00]
+# GFX11-FAKE16: v_trunc_f16_e64 v5, vcc_hi              ; encoding: [0x05,0x00,0xdd,0xd5,0x6b,0x00,0x00,0x00]
 
 0x05,0x00,0xdd,0xd5,0x7b,0x00,0x00,0x00
-# GFX11: v_trunc_f16_e64 v5, ttmp15              ; encoding: [0x05,0x00,0xdd,0xd5,0x7b,0x00,0x00,0x00]
+# GFX11-REAL16: v_trunc_f16_e64 v5.l, ttmp15            ; encoding: [0x05,0x00,0xdd,0xd5,0x7b,0x00,0x00,0x00]
+# GFX11-FAKE16: v_trunc_f16_e64 v5, ttmp15              ; encoding: [0x05,0x00,0xdd,0xd5,0x7b,0x00,0x00,0x00]
 
 0x05,0x00,0xdd,0xd5,0x7d,0x00,0x00,0x00
-# GFX11: v_trunc_f16_e64 v5, m0                  ; encoding: [0x05,0x00,0xdd,0xd5,0x7d,0x00,0x00,0x00]
+# GFX11-REAL16: v_trunc_f16_e64 v5.l, m0                ; encoding: [0x05,0x00,0xdd,0xd5,0x7d,0x00,0x00,0x00]
+# GFX11-FAKE16: v_trunc_f16_e64 v5, m0                  ; encoding: [0x05,0x00,0xdd,0xd5,0x7d,0x00,0x00,0x00]
 
 0x05,0x00,0xdd,0xd5,0x7e,0x00,0x00,0x00
-# GFX11: v_trunc_f16_e64 v5, exec_lo             ; encoding: [0x05,0x00,0xdd,0xd5,0x7e,0x00,0x00,0x00]
+# GFX11-REAL16: v_trunc_f16_e64 v5.l, exec_lo           ; encoding: [0x05,0x00,0xdd,0xd5,0x7e,0x00,0x00,0x00]
+# GFX11-FAKE16: v_trunc_f16_e64 v5, exec_lo             ; encoding: [0x05,0x00,0xdd,0xd5,0x7e,0x00,0x00,0x00]
 
 0x05,0x00,0xdd,0xd5,0x7f,0x00,0x00,0x00
-# GFX11: v_trunc_f16_e64 v5, exec_hi             ; encoding: [0x05,0x00,0xdd,0xd5,0x7f,0x00,0x00,0x00]
+# GFX11-REAL16: v_trunc_f16_e64 v5.l, exec_hi           ; encoding: [0x05,0x00,0xdd,0xd5,0x7f,0x00,0x00,0x00]
+# GFX11-FAKE16: v_trunc_f16_e64 v5, exec_hi             ; encoding: [0x05,0x00,0xdd,0xd5,0x7f,0x00,0x00,0x00]
 
 0x05,0x00,0xdd,0xd5,0x7c,0x00,0x00,0x00
-# GFX11: v_trunc_f16_e64 v5, null                ; encoding: [0x05,0x00,0xdd,0xd5,0x7c,0x00,0x00,0x00]
+# GFX11-REAL16: v_trunc_f16_e64 v5.l, null              ; encoding: [0x05,0x00,0xdd,0xd5,0x7c,0x00,0x00,0x00]
+# GFX11-FAKE16: v_trunc_f16_e64 v5, null                ; encoding: [0x05,0x00,0xdd,0xd5,0x7c,0x00,0x00,0x00]
 
 0x05,0x00,0xdd,0xd5,0xc1,0x00,0x00,0x00
-# GFX11: v_trunc_f16_e64 v5, -1                  ; encoding: [0x05,0x00,0xdd,0xd5,0xc1,0x00,0x00,0x00]
+# GFX11-REAL16: v_trunc_f16_e64 v5.l, -1                ; encoding: [0x05,0x00,0xdd,0xd5,0xc1,0x00,0x00,0x00]
+# GFX11-FAKE16: v_trunc_f16_e64 v5, -1                  ; encoding: [0x05,0x00,0xdd,0xd5,0xc1,0x00,0x00,0x00]
 
 0x05,0x00,0xdd,0xd5,0xf0,0x00,0x00,0x08
-# GFX11: v_trunc_f16_e64 v5, 0.5 mul:2           ; encoding: [0x05,0x00,0xdd,0xd5,0xf0,0x00,0x00,0x08]
+# GFX11-REAL16: v_trunc_f16_e64 v5.l, 0.5 mul:2         ; encoding: [0x05,0x00,0xdd,0xd5,0xf0,0x00,0x00,0x08]
+# GFX11-FAKE16: v_trunc_f16_e64 v5, 0.5 mul:2           ; encoding: [0x05,0x00,0xdd,0xd5,0xf0,0x00,0x00,0x08]
 
 0x05,0x00,0xdd,0xd5,0xfd,0x00,0x00,0x10
-# GFX11: v_trunc_f16_e64 v5, src_scc mul:4       ; encoding: [0x05,0x00,0xdd,0xd5,0xfd,0x00,0x00,0x10]
+# GFX11-REAL16: v_trunc_f16_e64 v5.l, src_scc mul:4     ; encoding: [0x05,0x00,0xdd,0xd5,0xfd,0x00,0x00,0x10]
+# GFX11-FAKE16: v_trunc_f16_e64 v5, src_scc mul:4       ; encoding: [0x05,0x00,0xdd,0xd5,0xfd,0x00,0x00,0x10]
 
 0xff,0x81,0xdd,0xd5,0xff,0x00,0x00,0x38,0x0b,0xfe,0x00,0x00
-# GFX11: v_trunc_f16_e64 v255, -|0xfe0b| clamp div:2 ; encoding: [0xff,0x81,0xdd,0xd5,0xff,0x00,0x00,0x38,0x0b,0xfe,0x00,0x00]
+# GFX11-REAL16: v_trunc_f16_e64 v255.l, -|0xfe0b| clamp div:2 ; encoding: [0xff,0x81,0xdd,0xd5,0xff,0x00,0x00,0x38,0x0b,0xfe,0x00,0x00]
+# GFX11-FAKE16: v_trunc_f16_e64 v255, -|0xfe0b| clamp div:2 ; encoding: [0xff,0x81,0xdd,0xd5,0xff,0x00,0x00,0x38,0x0b,0xfe,0x00,0x00]
+
+0x05,0x48,0xdd,0xd5,0x01,0x01,0x00,0x00
+# GFX11-REAL16: v_trunc_f16_e64 v5.h, v1.h op_sel:[1,1] ; encoding: [0x05,0x48,0xdd,0xd5,0x01,0x01,0x00,0x00]
+# GFX11-FAKE16: v_trunc_f16_e64 v5, v1                  ; encoding: [0x05,0x00,0xdd,0xd5,0x01,0x01,0x00,0x00]
+
+0x05,0x08,0xdd,0xd5,0xff,0x01,0x00,0x00
+# GFX11-REAL16: v_trunc_f16_e64 v5.l, v255.h op_sel:[1,0] ; encoding: [0x05,0x08,0xdd,0xd5,0xff,0x01,0x00,0x00]
+# GFX11-FAKE16: v_trunc_f16_e64 v5, v255                ; encoding: [0x05,0x00,0xdd,0xd5,0xff,0x01,0x00,0x00]
+
+0xff,0xc1,0xdd,0xd5,0xff,0x00,0x00,0x38,0x0b,0xfe,0x00,0x00
+# GFX11-REAL16: v_trunc_f16_e64 v255.h, -|0xfe0b| op_sel:[0,1] clamp div:2 ; encoding: [0xff,0xc1,0xdd,0xd5,0xff,0x00,0x00,0x38,0x0b,0xfe,0x00,0x00]
+# GFX11-FAKE16: v_trunc_f16_e64 v255, -|0xfe0b| clamp div:2 ; encoding: [0xff,0x81,0xdd,0xd5,0xff,0x00,0x00,0x38,0x0b,0xfe,0x00,0x00]
 
 0x05,0x00,0xa1,0xd5,0x01,0x01,0x00,0x00
 # GFX11: v_trunc_f32_e64 v5, v1                  ; encoding: [0x05,0x00,0xa1,0xd5,0x01,0x01,0x00,0x00]

diff  --git a/llvm/test/MC/Disassembler/AMDGPU/gfx12_dasm_vop1_dpp16.txt b/llvm/test/MC/Disassembler/AMDGPU/gfx12_dasm_vop1_dpp16.txt
index aa60378da9ab02..22ae18815a5225 100644
--- a/llvm/test/MC/Disassembler/AMDGPU/gfx12_dasm_vop1_dpp16.txt
+++ b/llvm/test/MC/Disassembler/AMDGPU/gfx12_dasm_vop1_dpp16.txt
@@ -2915,46 +2915,68 @@
 # GFX12: v_sqrt_f32_dpp v255, -|v255| row_xmask:15 row_mask:0x3 bank_mask:0x0 bound_ctrl:1 fi:1 ; encoding: [0xfa,0x66,0xfe,0x7f,0xff,0x6f,0x3d,0x30]
 
 0xfa,0xba,0x0a,0x7e,0x01,0x1b,0x00,0xff
-# GFX12: v_trunc_f16_dpp v5, v1 quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x1b,0x00,0xff]
+# GFX12-REAL16: v_trunc_f16_dpp v5.l, v1.l quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x1b,0x00,0xff]
+# GFX12-FAKE16: v_trunc_f16_dpp v5, v1 quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x1b,0x00,0xff]
 
 0xfa,0xba,0x0a,0x7e,0x01,0xe4,0x00,0xff
-# GFX12: v_trunc_f16_dpp v5, v1 quad_perm:[0,1,2,3] row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0xe4,0x00,0xff]
+# GFX12-REAL16: v_trunc_f16_dpp v5.l, v1.l quad_perm:[0,1,2,3] row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0xe4,0x00,0xff]
+# GFX12-FAKE16: v_trunc_f16_dpp v5, v1 quad_perm:[0,1,2,3] row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0xe4,0x00,0xff]
 
 0xfa,0xba,0x0a,0x7e,0x01,0x40,0x01,0xff
-# GFX12: v_trunc_f16_dpp v5, v1 row_mirror row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x40,0x01,0xff]
+# GFX12-REAL16: v_trunc_f16_dpp v5.l, v1.l row_mirror row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x40,0x01,0xff]
+# GFX12-FAKE16: v_trunc_f16_dpp v5, v1 row_mirror row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x40,0x01,0xff]
 
 0xfa,0xba,0x0a,0x7e,0x01,0x41,0x01,0xff
-# GFX12: v_trunc_f16_dpp v5, v1 row_half_mirror row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x41,0x01,0xff]
+# GFX12-REAL16: v_trunc_f16_dpp v5.l, v1.l row_half_mirror row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x41,0x01,0xff]
+# GFX12-FAKE16: v_trunc_f16_dpp v5, v1 row_half_mirror row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x41,0x01,0xff]
 
 0xfa,0xba,0x0a,0x7e,0x01,0x01,0x01,0xff
-# GFX12: v_trunc_f16_dpp v5, v1 row_shl:1 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x01,0x01,0xff]
+# GFX12-REAL16: v_trunc_f16_dpp v5.l, v1.l row_shl:1 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x01,0x01,0xff]
+# GFX12-FAKE16: v_trunc_f16_dpp v5, v1 row_shl:1 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x01,0x01,0xff]
 
 0xfa,0xba,0x0a,0x7e,0x01,0x0f,0x01,0xff
-# GFX12: v_trunc_f16_dpp v5, v1 row_shl:15 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x0f,0x01,0xff]
+# GFX12-REAL16: v_trunc_f16_dpp v5.l, v1.l row_shl:15 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x0f,0x01,0xff]
+# GFX12-FAKE16: v_trunc_f16_dpp v5, v1 row_shl:15 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x0f,0x01,0xff]
 
 0xfa,0xba,0x0a,0x7e,0x01,0x11,0x01,0xff
-# GFX12: v_trunc_f16_dpp v5, v1 row_shr:1 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x11,0x01,0xff]
+# GFX12-REAL16: v_trunc_f16_dpp v5.l, v1.l row_shr:1 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x11,0x01,0xff]
+# GFX12-FAKE16: v_trunc_f16_dpp v5, v1 row_shr:1 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x11,0x01,0xff]
 
 0xfa,0xba,0x0a,0x7e,0x01,0x1f,0x01,0xff
-# GFX12: v_trunc_f16_dpp v5, v1 row_shr:15 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x1f,0x01,0xff]
+# GFX12-REAL16: v_trunc_f16_dpp v5.l, v1.l row_shr:15 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x1f,0x01,0xff]
+# GFX12-FAKE16: v_trunc_f16_dpp v5, v1 row_shr:15 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x1f,0x01,0xff]
 
 0xfa,0xba,0x0a,0x7e,0x01,0x21,0x01,0xff
-# GFX12: v_trunc_f16_dpp v5, v1 row_ror:1 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x21,0x01,0xff]
+# GFX12-REAL16: v_trunc_f16_dpp v5.l, v1.l row_ror:1 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x21,0x01,0xff]
+# GFX12-FAKE16: v_trunc_f16_dpp v5, v1 row_ror:1 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x21,0x01,0xff]
 
 0xfa,0xba,0x0a,0x7e,0x01,0x2f,0x01,0xff
-# GFX12: v_trunc_f16_dpp v5, v1 row_ror:15 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x2f,0x01,0xff]
+# GFX12-REAL16: v_trunc_f16_dpp v5.l, v1.l row_ror:15 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x2f,0x01,0xff]
+# GFX12-FAKE16: v_trunc_f16_dpp v5, v1 row_ror:15 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x2f,0x01,0xff]
 
 0xfa,0xba,0x0a,0x7e,0x01,0x50,0x01,0xff
-# GFX12: v_trunc_f16_dpp v5, v1 row_share:0 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x50,0x01,0xff]
+# GFX12-REAL16: v_trunc_f16_dpp v5.l, v1.l row_share:0 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x50,0x01,0xff]
+# GFX12-FAKE16: v_trunc_f16_dpp v5, v1 row_share:0 row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x50,0x01,0xff]
 
 0xfa,0xba,0x0a,0x7e,0x01,0x5f,0x01,0x01
-# GFX12: v_trunc_f16_dpp v5, v1 row_share:15 row_mask:0x0 bank_mask:0x1 ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x5f,0x01,0x01]
+# GFX12-REAL16: v_trunc_f16_dpp v5.l, v1.l row_share:15 row_mask:0x0 bank_mask:0x1 ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x5f,0x01,0x01]
+# GFX12-FAKE16: v_trunc_f16_dpp v5, v1 row_share:15 row_mask:0x0 bank_mask:0x1 ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x5f,0x01,0x01]
 
 0xfa,0xba,0x0a,0x7e,0x01,0x60,0x01,0x13
-# GFX12: v_trunc_f16_dpp v5, v1 row_xmask:0 row_mask:0x1 bank_mask:0x3 ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x60,0x01,0x13]
+# GFX12-REAL16: v_trunc_f16_dpp v5.l, v1.l row_xmask:0 row_mask:0x1 bank_mask:0x3 ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x60,0x01,0x13]
+# GFX12-FAKE16: v_trunc_f16_dpp v5, v1 row_xmask:0 row_mask:0x1 bank_mask:0x3 ; encoding: [0xfa,0xba,0x0a,0x7e,0x01,0x60,0x01,0x13]
 
 0xfa,0xba,0xfe,0x7e,0x7f,0x6f,0x3d,0x30
-# GFX12: v_trunc_f16_dpp v127, -|v127| row_xmask:15 row_mask:0x3 bank_mask:0x0 bound_ctrl:1 fi:1 ; encoding: [0xfa,0xba,0xfe,0x7e,0x7f,0x6f,0x3d,0x30]
+# GFX12-REAL16: v_trunc_f16_dpp v127.l, -|v127.l| row_xmask:15 row_mask:0x3 bank_mask:0x0 bound_ctrl:1 fi:1 ; encoding: [0xfa,0xba,0xfe,0x7e,0x7f,0x6f,0x3d,0x30]
+# GFX12-FAKE16: v_trunc_f16_dpp v127, -|v127| row_xmask:15 row_mask:0x3 bank_mask:0x0 bound_ctrl:1 fi:1 ; encoding: [0xfa,0xba,0xfe,0x7e,0x7f,0x6f,0x3d,0x30]
+
+0xfa,0xba,0x0a,0x7f,0x81,0x60,0x01,0x13
+# GFX12-REAL16: v_trunc_f16_dpp v5.h, v1.h row_xmask:0 row_mask:0x1 bank_mask:0x3 ; encoding: [0xfa,0xba,0x0a,0x7f,0x81,0x60,0x01,0x13]
+# GFX12-FAKE16: v_mul_i32_i24_e32 v128, 1, v176         ; encoding: [0x81,0x60,0x01,0x13]
+
+0xfa,0xba,0xfe,0x7f,0xff,0x6f,0x3d,0x30
+# GFX12-REAL16: v_trunc_f16_dpp v127.h, -|v127.h| row_xmask:15 row_mask:0x3 bank_mask:0x0 bound_ctrl:1 fi:1 ; encoding: [0xfa,0xba,0xfe,0x7f,0xff,0x6f,0x3d,0x30]
+# GFX12-FAKE16: v_lshlrev_b32_e32 v30, v255, v183       ; encoding: [0xff,0x6f,0x3d,0x30]
 
 0xfa,0x42,0x0a,0x7e,0x01,0x1b,0x00,0xff
 # GFX12: v_trunc_f32_dpp v5, v1 quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xf ; encoding: [0xfa,0x42,0x0a,0x7e,0x01,0x1b,0x00,0xff]

diff  --git a/llvm/test/MC/Disassembler/AMDGPU/gfx12_dasm_vop1_dpp8.txt b/llvm/test/MC/Disassembler/AMDGPU/gfx12_dasm_vop1_dpp8.txt
index 99985e09d74322..bfb84c6cdff398 100644
--- a/llvm/test/MC/Disassembler/AMDGPU/gfx12_dasm_vop1_dpp8.txt
+++ b/llvm/test/MC/Disassembler/AMDGPU/gfx12_dasm_vop1_dpp8.txt
@@ -531,10 +531,19 @@
 # GFX12: v_sqrt_f32_dpp v255, v255 dpp8:[0,0,0,0,0,0,0,0] fi:1 ; encoding: [0xea,0x66,0xfe,0x7f,0xff,0x00,0x00,0x00]
 
 0xe9,0xba,0x0a,0x7e,0x01,0x77,0x39,0x05
-# GFX12: v_trunc_f16_dpp v5, v1 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0xe9,0xba,0x0a,0x7e,0x01,0x77,0x39,0x05]
+# GFX12-REAL16: v_trunc_f16_dpp v5.l, v1.l dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0xe9,0xba,0x0a,0x7e,0x01,0x77,0x39,0x05]
+# GFX12-FAKE16: v_trunc_f16_dpp v5, v1 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0xe9,0xba,0x0a,0x7e,0x01,0x77,0x39,0x05]
 
 0xea,0xba,0xfe,0x7e,0x7f,0x00,0x00,0x00
-# GFX12: v_trunc_f16_dpp v127, v127 dpp8:[0,0,0,0,0,0,0,0] fi:1 ; encoding: [0xea,0xba,0xfe,0x7e,0x7f,0x00,0x00,0x00]
+# GFX12-REAL16: v_trunc_f16_dpp v127.l, v127.l dpp8:[0,0,0,0,0,0,0,0] fi:1 ; encoding: [0xea,0xba,0xfe,0x7e,0x7f,0x00,0x00,0x00]
+# GFX12-FAKE16: v_trunc_f16_dpp v127, v127 dpp8:[0,0,0,0,0,0,0,0] fi:1 ; encoding: [0xea,0xba,0xfe,0x7e,0x7f,0x00,0x00,0x00]
+
+0xe9,0xba,0x0a,0x7f,0x81,0x77,0x39,0x05
+# GFX12-REAL16: v_trunc_f16_dpp v5.h, v1.h dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0xe9,0xba,0x0a,0x7f,0x81,0x77,0x39,0x05]
+# GFX12-FAKE16: v_add_f64_e32 v[156:157], v[129:130], v[187:188] ; encoding: [0x81,0x77,0x39,0x05]
+
+0xea,0xba,0xfe,0x7f,0xff,0x00,0x00,0x00
+# GFX12-REAL16: v_trunc_f16_dpp v127.h, v127.h dpp8:[0,0,0,0,0,0,0,0] fi:1 ; encoding: [0xea,0xba,0xfe,0x7f,0xff,0x00,0x00,0x00]
 
 0xe9,0x42,0x0a,0x7e,0x01,0x77,0x39,0x05
 # GFX12: v_trunc_f32_dpp v5, v1 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0xe9,0x42,0x0a,0x7e,0x01,0x77,0x39,0x05]

diff  --git a/llvm/test/MC/Disassembler/AMDGPU/gfx12_dasm_vop3_from_vop1.txt b/llvm/test/MC/Disassembler/AMDGPU/gfx12_dasm_vop3_from_vop1.txt
index 8ba4f58b787f50..e27469230a15f9 100644
--- a/llvm/test/MC/Disassembler/AMDGPU/gfx12_dasm_vop3_from_vop1.txt
+++ b/llvm/test/MC/Disassembler/AMDGPU/gfx12_dasm_vop3_from_vop1.txt
@@ -3545,49 +3545,76 @@
 # GFX12: v_sqrt_f64_e64 v[254:255], 0xaf123456 clamp div:2 ; encoding: [0xfe,0x80,0xb4,0xd5,0xff,0x00,0x00,0x18,0x56,0x34,0x12,0xaf]
 
 0x05,0x00,0xdd,0xd5,0x01,0x01,0x00,0x00
-# GFX12: v_trunc_f16_e64 v5, v1                  ; encoding: [0x05,0x00,0xdd,0xd5,0x01,0x01,0x00,0x00]
+# GFX12-REAL16: v_trunc_f16_e64 v5.l, v1.l              ; encoding: [0x05,0x00,0xdd,0xd5,0x01,0x01,0x00,0x00]
+# GFX12-FAKE16: v_trunc_f16_e64 v5, v1                  ; encoding: [0x05,0x00,0xdd,0xd5,0x01,0x01,0x00,0x00]
 
 0x05,0x00,0xdd,0xd5,0xff,0x01,0x00,0x00
-# GFX12: v_trunc_f16_e64 v5, v255                ; encoding: [0x05,0x00,0xdd,0xd5,0xff,0x01,0x00,0x00]
+# GFX12-REAL16: v_trunc_f16_e64 v5.l, v255.l            ; encoding: [0x05,0x00,0xdd,0xd5,0xff,0x01,0x00,0x00]
+# GFX12-FAKE16: v_trunc_f16_e64 v5, v255                ; encoding: [0x05,0x00,0xdd,0xd5,0xff,0x01,0x00,0x00]
 
 0x05,0x00,0xdd,0xd5,0x01,0x00,0x00,0x00
-# GFX12: v_trunc_f16_e64 v5, s1                  ; encoding: [0x05,0x00,0xdd,0xd5,0x01,0x00,0x00,0x00]
+# GFX12-REAL16: v_trunc_f16_e64 v5.l, s1                ; encoding: [0x05,0x00,0xdd,0xd5,0x01,0x00,0x00,0x00]
+# GFX12-FAKE16: v_trunc_f16_e64 v5, s1                  ; encoding: [0x05,0x00,0xdd,0xd5,0x01,0x00,0x00,0x00]
 
 0x05,0x00,0xdd,0xd5,0x69,0x00,0x00,0x00
-# GFX12: v_trunc_f16_e64 v5, s105                ; encoding: [0x05,0x00,0xdd,0xd5,0x69,0x00,0x00,0x00]
+# GFX12-REAL16: v_trunc_f16_e64 v5.l, s105              ; encoding: [0x05,0x00,0xdd,0xd5,0x69,0x00,0x00,0x00]
+# GFX12-FAKE16: v_trunc_f16_e64 v5, s105                ; encoding: [0x05,0x00,0xdd,0xd5,0x69,0x00,0x00,0x00]
 
 0x05,0x00,0xdd,0xd5,0x6a,0x00,0x00,0x00
-# GFX12: v_trunc_f16_e64 v5, vcc_lo              ; encoding: [0x05,0x00,0xdd,0xd5,0x6a,0x00,0x00,0x00]
+# GFX12-REAL16: v_trunc_f16_e64 v5.l, vcc_lo            ; encoding: [0x05,0x00,0xdd,0xd5,0x6a,0x00,0x00,0x00]
+# GFX12-FAKE16: v_trunc_f16_e64 v5, vcc_lo              ; encoding: [0x05,0x00,0xdd,0xd5,0x6a,0x00,0x00,0x00]
 
 0x05,0x00,0xdd,0xd5,0x6b,0x00,0x00,0x00
-# GFX12: v_trunc_f16_e64 v5, vcc_hi              ; encoding: [0x05,0x00,0xdd,0xd5,0x6b,0x00,0x00,0x00]
+# GFX12-REAL16: v_trunc_f16_e64 v5.l, vcc_hi            ; encoding: [0x05,0x00,0xdd,0xd5,0x6b,0x00,0x00,0x00]
+# GFX12-FAKE16: v_trunc_f16_e64 v5, vcc_hi              ; encoding: [0x05,0x00,0xdd,0xd5,0x6b,0x00,0x00,0x00]
 
 0x05,0x00,0xdd,0xd5,0x7b,0x00,0x00,0x00
-# GFX12: v_trunc_f16_e64 v5, ttmp15              ; encoding: [0x05,0x00,0xdd,0xd5,0x7b,0x00,0x00,0x00]
+# GFX12-REAL16: v_trunc_f16_e64 v5.l, ttmp15            ; encoding: [0x05,0x00,0xdd,0xd5,0x7b,0x00,0x00,0x00]
+# GFX12-FAKE16: v_trunc_f16_e64 v5, ttmp15              ; encoding: [0x05,0x00,0xdd,0xd5,0x7b,0x00,0x00,0x00]
 
 0x05,0x00,0xdd,0xd5,0x7d,0x00,0x00,0x00
-# GFX12: v_trunc_f16_e64 v5, m0                  ; encoding: [0x05,0x00,0xdd,0xd5,0x7d,0x00,0x00,0x00]
+# GFX12-REAL16: v_trunc_f16_e64 v5.l, m0                ; encoding: [0x05,0x00,0xdd,0xd5,0x7d,0x00,0x00,0x00]
+# GFX12-FAKE16: v_trunc_f16_e64 v5, m0                  ; encoding: [0x05,0x00,0xdd,0xd5,0x7d,0x00,0x00,0x00]
 
 0x05,0x00,0xdd,0xd5,0x7e,0x00,0x00,0x00
-# GFX12: v_trunc_f16_e64 v5, exec_lo             ; encoding: [0x05,0x00,0xdd,0xd5,0x7e,0x00,0x00,0x00]
+# GFX12-REAL16: v_trunc_f16_e64 v5.l, exec_lo           ; encoding: [0x05,0x00,0xdd,0xd5,0x7e,0x00,0x00,0x00]
+# GFX12-FAKE16: v_trunc_f16_e64 v5, exec_lo             ; encoding: [0x05,0x00,0xdd,0xd5,0x7e,0x00,0x00,0x00]
 
 0x05,0x00,0xdd,0xd5,0x7f,0x00,0x00,0x00
-# GFX12: v_trunc_f16_e64 v5, exec_hi             ; encoding: [0x05,0x00,0xdd,0xd5,0x7f,0x00,0x00,0x00]
+# GFX12-REAL16: v_trunc_f16_e64 v5.l, exec_hi           ; encoding: [0x05,0x00,0xdd,0xd5,0x7f,0x00,0x00,0x00]
+# GFX12-FAKE16: v_trunc_f16_e64 v5, exec_hi             ; encoding: [0x05,0x00,0xdd,0xd5,0x7f,0x00,0x00,0x00]
 
 0x05,0x00,0xdd,0xd5,0x7c,0x00,0x00,0x00
-# GFX12: v_trunc_f16_e64 v5, null                ; encoding: [0x05,0x00,0xdd,0xd5,0x7c,0x00,0x00,0x00]
+# GFX12-REAL16: v_trunc_f16_e64 v5.l, null              ; encoding: [0x05,0x00,0xdd,0xd5,0x7c,0x00,0x00,0x00]
+# GFX12-FAKE16: v_trunc_f16_e64 v5, null                ; encoding: [0x05,0x00,0xdd,0xd5,0x7c,0x00,0x00,0x00]
 
 0x05,0x00,0xdd,0xd5,0xc1,0x00,0x00,0x00
-# GFX12: v_trunc_f16_e64 v5, -1                  ; encoding: [0x05,0x00,0xdd,0xd5,0xc1,0x00,0x00,0x00]
+# GFX12-REAL16: v_trunc_f16_e64 v5.l, -1                ; encoding: [0x05,0x00,0xdd,0xd5,0xc1,0x00,0x00,0x00]
+# GFX12-FAKE16: v_trunc_f16_e64 v5, -1                  ; encoding: [0x05,0x00,0xdd,0xd5,0xc1,0x00,0x00,0x00]
 
 0x05,0x00,0xdd,0xd5,0xf0,0x00,0x00,0x08
-# GFX12: v_trunc_f16_e64 v5, 0.5 mul:2           ; encoding: [0x05,0x00,0xdd,0xd5,0xf0,0x00,0x00,0x08]
+# GFX12-REAL16: v_trunc_f16_e64 v5.l, 0.5 mul:2         ; encoding: [0x05,0x00,0xdd,0xd5,0xf0,0x00,0x00,0x08]
+# GFX12-FAKE16: v_trunc_f16_e64 v5, 0.5 mul:2           ; encoding: [0x05,0x00,0xdd,0xd5,0xf0,0x00,0x00,0x08]
 
 0x05,0x00,0xdd,0xd5,0xfd,0x00,0x00,0x10
-# GFX12: v_trunc_f16_e64 v5, src_scc mul:4       ; encoding: [0x05,0x00,0xdd,0xd5,0xfd,0x00,0x00,0x10]
+# GFX12-REAL16: v_trunc_f16_e64 v5.l, src_scc mul:4     ; encoding: [0x05,0x00,0xdd,0xd5,0xfd,0x00,0x00,0x10]
+# GFX12-FAKE16: v_trunc_f16_e64 v5, src_scc mul:4       ; encoding: [0x05,0x00,0xdd,0xd5,0xfd,0x00,0x00,0x10]
 
 0xff,0x81,0xdd,0xd5,0xff,0x00,0x00,0x38,0x0b,0xfe,0x00,0x00
-# GFX12: v_trunc_f16_e64 v255, -|0xfe0b| clamp div:2 ; encoding: [0xff,0x81,0xdd,0xd5,0xff,0x00,0x00,0x38,0x0b,0xfe,0x00,0x00]
+# GFX12-REAL16: v_trunc_f16_e64 v255.l, -|0xfe0b| clamp div:2 ; encoding: [0xff,0x81,0xdd,0xd5,0xff,0x00,0x00,0x38,0x0b,0xfe,0x00,0x00]
+# GFX12-FAKE16: v_trunc_f16_e64 v255, -|0xfe0b| clamp div:2 ; encoding: [0xff,0x81,0xdd,0xd5,0xff,0x00,0x00,0x38,0x0b,0xfe,0x00,0x00]
+
+0x05,0x48,0xdd,0xd5,0x01,0x01,0x00,0x00
+# GFX12-REAL16: v_trunc_f16_e64 v5.h, v1.h op_sel:[1,1] ; encoding: [0x05,0x48,0xdd,0xd5,0x01,0x01,0x00,0x00]
+# GFX12-FAKE16: v_trunc_f16_e64 v5, v1                  ; encoding: [0x05,0x00,0xdd,0xd5,0x01,0x01,0x00,0x00]
+
+0x05,0x08,0xdd,0xd5,0xff,0x01,0x00,0x00
+# GFX12-REAL16: v_trunc_f16_e64 v5.l, v255.h op_sel:[1,0] ; encoding: [0x05,0x08,0xdd,0xd5,0xff,0x01,0x00,0x00]
+# GFX12-FAKE16: v_trunc_f16_e64 v5, v255                ; encoding: [0x05,0x00,0xdd,0xd5,0xff,0x01,0x00,0x00]
+
+0xff,0xc1,0xdd,0xd5,0xff,0x00,0x00,0x38,0x0b,0xfe,0x00,0x00
+# GFX12-REAL16: v_trunc_f16_e64 v255.h, -|0xfe0b| op_sel:[0,1] clamp div:2 ; encoding: [0xff,0xc1,0xdd,0xd5,0xff,0x00,0x00,0x38,0x0b,0xfe,0x00,0x00]
+# GFX12-FAKE16: v_trunc_f16_e64 v255, -|0xfe0b| clamp div:2 ; encoding: [0xff,0x81,0xdd,0xd5,0xff,0x00,0x00,0x38,0x0b,0xfe,0x00,0x00]
 
 0x05,0x00,0xa1,0xd5,0x01,0x01,0x00,0x00
 # GFX12: v_trunc_f32_e64 v5, v1                  ; encoding: [0x05,0x00,0xa1,0xd5,0x01,0x01,0x00,0x00]

diff  --git a/llvm/test/MC/Disassembler/AMDGPU/gfx12_dasm_vop3_from_vop1_dpp16.txt b/llvm/test/MC/Disassembler/AMDGPU/gfx12_dasm_vop3_from_vop1_dpp16.txt
index 98da7c8c545088..bc957576b19b68 100644
--- a/llvm/test/MC/Disassembler/AMDGPU/gfx12_dasm_vop3_from_vop1_dpp16.txt
+++ b/llvm/test/MC/Disassembler/AMDGPU/gfx12_dasm_vop3_from_vop1_dpp16.txt
@@ -2773,46 +2773,72 @@
 # GFX12: v_sqrt_f32_e64_dpp v255, -|v255| clamp div:2 row_xmask:15 row_mask:0x3 bank_mask:0x0 bound_ctrl:1 fi:1 ; encoding: [0xff,0x81,0xb3,0xd5,0xfa,0x00,0x00,0x38,0xff,0x6f,0x0d,0x30]
 
 0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x1b,0x00,0xff
-# GFX12: v_trunc_f16_e64_dpp v5, v1 quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x1b,0x00,0xff]
+# GFX12-REAL16: v_trunc_f16_e64_dpp v5.l, v1.l quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x1b,0x00,0xff]
+# GFX12-FAKE16: v_trunc_f16_e64_dpp v5, v1 quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x1b,0x00,0xff]
 
 0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0xe4,0x00,0xff
-# GFX12: v_trunc_f16_e64_dpp v5, v1 quad_perm:[0,1,2,3] row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0xe4,0x00,0xff]
+# GFX12-REAL16: v_trunc_f16_e64_dpp v5.l, v1.l quad_perm:[0,1,2,3] row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0xe4,0x00,0xff]
+# GFX12-FAKE16: v_trunc_f16_e64_dpp v5, v1 quad_perm:[0,1,2,3] row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0xe4,0x00,0xff]
 
 0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x40,0x01,0xff
-# GFX12: v_trunc_f16_e64_dpp v5, v1 row_mirror row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x40,0x01,0xff]
+# GFX12-REAL16: v_trunc_f16_e64_dpp v5.l, v1.l row_mirror row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x40,0x01,0xff]
+# GFX12-FAKE16: v_trunc_f16_e64_dpp v5, v1 row_mirror row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x40,0x01,0xff]
 
 0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x41,0x01,0xff
-# GFX12: v_trunc_f16_e64_dpp v5, v1 row_half_mirror row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x41,0x01,0xff]
+# GFX12-REAL16: v_trunc_f16_e64_dpp v5.l, v1.l row_half_mirror row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x41,0x01,0xff]
+# GFX12-FAKE16: v_trunc_f16_e64_dpp v5, v1 row_half_mirror row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x41,0x01,0xff]
 
 0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x01,0x01,0xff
-# GFX12: v_trunc_f16_e64_dpp v5, v1 row_shl:1 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x01,0x01,0xff]
+# GFX12-REAL16: v_trunc_f16_e64_dpp v5.l, v1.l row_shl:1 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x01,0x01,0xff]
+# GFX12-FAKE16: v_trunc_f16_e64_dpp v5, v1 row_shl:1 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x01,0x01,0xff]
 
 0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x0f,0x01,0xff
-# GFX12: v_trunc_f16_e64_dpp v5, v1 row_shl:15 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x0f,0x01,0xff]
+# GFX12-REAL16: v_trunc_f16_e64_dpp v5.l, v1.l row_shl:15 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x0f,0x01,0xff]
+# GFX12-FAKE16: v_trunc_f16_e64_dpp v5, v1 row_shl:15 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x0f,0x01,0xff]
 
 0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x11,0x01,0xff
-# GFX12: v_trunc_f16_e64_dpp v5, v1 row_shr:1 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x11,0x01,0xff]
+# GFX12-REAL16: v_trunc_f16_e64_dpp v5.l, v1.l row_shr:1 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x11,0x01,0xff]
+# GFX12-FAKE16: v_trunc_f16_e64_dpp v5, v1 row_shr:1 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x11,0x01,0xff]
 
 0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x1f,0x01,0xff
-# GFX12: v_trunc_f16_e64_dpp v5, v1 row_shr:15 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x1f,0x01,0xff]
+# GFX12-REAL16: v_trunc_f16_e64_dpp v5.l, v1.l row_shr:15 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x1f,0x01,0xff]
+# GFX12-FAKE16: v_trunc_f16_e64_dpp v5, v1 row_shr:15 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x1f,0x01,0xff]
 
 0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x21,0x01,0xff
-# GFX12: v_trunc_f16_e64_dpp v5, v1 row_ror:1 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x21,0x01,0xff]
+# GFX12-REAL16: v_trunc_f16_e64_dpp v5.l, v1.l row_ror:1 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x21,0x01,0xff]
+# GFX12-FAKE16: v_trunc_f16_e64_dpp v5, v1 row_ror:1 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x21,0x01,0xff]
 
 0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x2f,0x01,0xff
-# GFX12: v_trunc_f16_e64_dpp v5, v1 row_ror:15 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x2f,0x01,0xff]
+# GFX12-REAL16: v_trunc_f16_e64_dpp v5.l, v1.l row_ror:15 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x2f,0x01,0xff]
+# GFX12-FAKE16: v_trunc_f16_e64_dpp v5, v1 row_ror:15 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x2f,0x01,0xff]
 
 0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x50,0x01,0xff
-# GFX12: v_trunc_f16_e64_dpp v5, v1 row_share:0 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x50,0x01,0xff]
+# GFX12-REAL16: v_trunc_f16_e64_dpp v5.l, v1.l row_share:0 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x50,0x01,0xff]
+# GFX12-FAKE16: v_trunc_f16_e64_dpp v5, v1 row_share:0 row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x00,0x01,0x50,0x01,0xff]
 
 0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x08,0x01,0x5f,0x01,0x01
-# GFX12: v_trunc_f16_e64_dpp v5, v1 mul:2 row_share:15 row_mask:0x0 bank_mask:0x1 ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x08,0x01,0x5f,0x01,0x01]
+# GFX12-REAL16: v_trunc_f16_e64_dpp v5.l, v1.l mul:2 row_share:15 row_mask:0x0 bank_mask:0x1 ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x08,0x01,0x5f,0x01,0x01]
+# GFX12-FAKE16: v_trunc_f16_e64_dpp v5, v1 mul:2 row_share:15 row_mask:0x0 bank_mask:0x1 ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x08,0x01,0x5f,0x01,0x01]
 
 0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x10,0x01,0x60,0x01,0x13
-# GFX12: v_trunc_f16_e64_dpp v5, v1 mul:4 row_xmask:0 row_mask:0x1 bank_mask:0x3 ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x10,0x01,0x60,0x01,0x13]
+# GFX12-REAL16: v_trunc_f16_e64_dpp v5.l, v1.l mul:4 row_xmask:0 row_mask:0x1 bank_mask:0x3 ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x10,0x01,0x60,0x01,0x13]
+# GFX12-FAKE16: v_trunc_f16_e64_dpp v5, v1 mul:4 row_xmask:0 row_mask:0x1 bank_mask:0x3 ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x10,0x01,0x60,0x01,0x13]
 
 0xff,0x81,0xdd,0xd5,0xfa,0x00,0x00,0x38,0xff,0x6f,0x0d,0x30
-# GFX12: v_trunc_f16_e64_dpp v255, -|v255| clamp div:2 row_xmask:15 row_mask:0x3 bank_mask:0x0 bound_ctrl:1 fi:1 ; encoding: [0xff,0x81,0xdd,0xd5,0xfa,0x00,0x00,0x38,0xff,0x6f,0x0d,0x30]
+# GFX12-REAL16: v_trunc_f16_e64_dpp v255.l, -|v255.l| clamp div:2 row_xmask:15 row_mask:0x3 bank_mask:0x0 bound_ctrl:1 fi:1 ; encoding: [0xff,0x81,0xdd,0xd5,0xfa,0x00,0x00,0x38,0xff,0x6f,0x0d,0x30]
+# GFX12-FAKE16: v_trunc_f16_e64_dpp v255, -|v255| clamp div:2 row_xmask:15 row_mask:0x3 bank_mask:0x0 bound_ctrl:1 fi:1 ; encoding: [0xff,0x81,0xdd,0xd5,0xfa,0x00,0x00,0x38,0xff,0x6f,0x0d,0x30]
+
+0x05,0x48,0xdd,0xd5,0xfa,0x00,0x00,0x08,0x01,0x5f,0x01,0x01
+# GFX12-REAL16: v_trunc_f16_e64_dpp v5.h, v1.h op_sel:[1,1] mul:2 row_share:15 row_mask:0x0 bank_mask:0x1 ; encoding: [0x05,0x48,0xdd,0xd5,0xfa,0x00,0x00,0x08,0x01,0x5f,0x01,0x01]
+# GFX12-FAKE16: v_trunc_f16_e64_dpp v5, v1 mul:2 row_share:15 row_mask:0x0 bank_mask:0x1 ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x08,0x01,0x5f,0x01,0x01]
+
+0x05,0x08,0xdd,0xd5,0xfa,0x00,0x00,0x10,0x01,0x60,0x01,0x13
+# GFX12-REAL16: v_trunc_f16_e64_dpp v5.l, v1.h op_sel:[1,0] mul:4 row_xmask:0 row_mask:0x1 bank_mask:0x3 ; encoding: [0x05,0x08,0xdd,0xd5,0xfa,0x00,0x00,0x10,0x01,0x60,0x01,0x13]
+# GFX12-FAKE16: v_trunc_f16_e64_dpp v5, v1 mul:4 row_xmask:0 row_mask:0x1 bank_mask:0x3 ; encoding: [0x05,0x00,0xdd,0xd5,0xfa,0x00,0x00,0x10,0x01,0x60,0x01,0x13]
+
+0xff,0xc1,0xdd,0xd5,0xfa,0x00,0x00,0x38,0xff,0x6f,0x0d,0x30
+# GFX12-REAL16: v_trunc_f16_e64_dpp v255.h, -|v255.l| op_sel:[0,1] clamp div:2 row_xmask:15 row_mask:0x3 bank_mask:0x0 bound_ctrl:1 fi:1 ; encoding: [0xff,0xc1,0xdd,0xd5,0xfa,0x00,0x00,0x38,0xff,0x6f,0x0d,0x30]
+# GFX12-FAKE16: v_trunc_f16_e64_dpp v255, -|v255| clamp div:2 row_xmask:15 row_mask:0x3 bank_mask:0x0 bound_ctrl:1 fi:1 ; encoding: [0xff,0x81,0xdd,0xd5,0xfa,0x00,0x00,0x38,0xff,0x6f,0x0d,0x30]
 
 0x05,0x00,0xa1,0xd5,0xfa,0x00,0x00,0x00,0x01,0x1b,0x00,0xff
 # GFX12: v_trunc_f32_e64_dpp v5, v1 quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x00,0xa1,0xd5,0xfa,0x00,0x00,0x00,0x01,0x1b,0x00,0xff]

diff  --git a/llvm/test/MC/Disassembler/AMDGPU/gfx12_dasm_vop3_from_vop1_dpp8.txt b/llvm/test/MC/Disassembler/AMDGPU/gfx12_dasm_vop3_from_vop1_dpp8.txt
index 8213237ada1e27..989824315b2d28 100644
--- a/llvm/test/MC/Disassembler/AMDGPU/gfx12_dasm_vop3_from_vop1_dpp8.txt
+++ b/llvm/test/MC/Disassembler/AMDGPU/gfx12_dasm_vop3_from_vop1_dpp8.txt
@@ -755,16 +755,32 @@
 # GFX12: v_sqrt_f32_e64_dpp v255, -|v255| clamp div:2 dpp8:[0,0,0,0,0,0,0,0] fi:1 ; encoding: [0xff,0x81,0xb3,0xd5,0xea,0x00,0x00,0x38,0xff,0x00,0x00,0x00]
 
 0x05,0x00,0xdd,0xd5,0xe9,0x00,0x00,0x00,0x01,0x77,0x39,0x05
-# GFX12: v_trunc_f16_e64_dpp v5, v1 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0xdd,0xd5,0xe9,0x00,0x00,0x00,0x01,0x77,0x39,0x05]
+# GFX12-REAL16: v_trunc_f16_e64_dpp v5.l, v1.l dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0xdd,0xd5,0xe9,0x00,0x00,0x00,0x01,0x77,0x39,0x05]
+# GFX12-FAKE16: v_trunc_f16_e64_dpp v5, v1 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0xdd,0xd5,0xe9,0x00,0x00,0x00,0x01,0x77,0x39,0x05]
 
 0x05,0x00,0xdd,0xd5,0xe9,0x00,0x00,0x08,0x01,0x77,0x39,0x05
-# GFX12: v_trunc_f16_e64_dpp v5, v1 mul:2 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0xdd,0xd5,0xe9,0x00,0x00,0x08,0x01,0x77,0x39,0x05]
+# GFX12-REAL16: v_trunc_f16_e64_dpp v5.l, v1.l mul:2 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0xdd,0xd5,0xe9,0x00,0x00,0x08,0x01,0x77,0x39,0x05]
+# GFX12-FAKE16: v_trunc_f16_e64_dpp v5, v1 mul:2 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0xdd,0xd5,0xe9,0x00,0x00,0x08,0x01,0x77,0x39,0x05]
 
 0x05,0x00,0xdd,0xd5,0xe9,0x00,0x00,0x10,0x01,0x77,0x39,0x05
-# GFX12: v_trunc_f16_e64_dpp v5, v1 mul:4 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0xdd,0xd5,0xe9,0x00,0x00,0x10,0x01,0x77,0x39,0x05]
+# GFX12-REAL16: v_trunc_f16_e64_dpp v5.l, v1.l mul:4 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0xdd,0xd5,0xe9,0x00,0x00,0x10,0x01,0x77,0x39,0x05]
+# GFX12-FAKE16: v_trunc_f16_e64_dpp v5, v1 mul:4 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0xdd,0xd5,0xe9,0x00,0x00,0x10,0x01,0x77,0x39,0x05]
 
 0xff,0x81,0xdd,0xd5,0xea,0x00,0x00,0x38,0xff,0x00,0x00,0x00
-# GFX12: v_trunc_f16_e64_dpp v255, -|v255| clamp div:2 dpp8:[0,0,0,0,0,0,0,0] fi:1 ; encoding: [0xff,0x81,0xdd,0xd5,0xea,0x00,0x00,0x38,0xff,0x00,0x00,0x00]
+# GFX12-REAL16: v_trunc_f16_e64_dpp v255.l, -|v255.l| clamp div:2 dpp8:[0,0,0,0,0,0,0,0] fi:1 ; encoding: [0xff,0x81,0xdd,0xd5,0xea,0x00,0x00,0x38,0xff,0x00,0x00,0x00]
+# GFX12-FAKE16: v_trunc_f16_e64_dpp v255, -|v255| clamp div:2 dpp8:[0,0,0,0,0,0,0,0] fi:1 ; encoding: [0xff,0x81,0xdd,0xd5,0xea,0x00,0x00,0x38,0xff,0x00,0x00,0x00]
+
+0x05,0x48,0xdd,0xd5,0xe9,0x00,0x00,0x08,0x01,0x77,0x39,0x05
+# GFX12-REAL16: v_trunc_f16_e64_dpp v5.h, v1.h op_sel:[1,1] mul:2 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x48,0xdd,0xd5,0xe9,0x00,0x00,0x08,0x01,0x77,0x39,0x05]
+# GFX12-FAKE16: v_trunc_f16_e64_dpp v5, v1 mul:2 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0xdd,0xd5,0xe9,0x00,0x00,0x08,0x01,0x77,0x39,0x05]
+
+0x05,0x08,0xdd,0xd5,0xe9,0x00,0x00,0x10,0x01,0x77,0x39,0x05
+# GFX12-REAL16: v_trunc_f16_e64_dpp v5.l, v1.h op_sel:[1,0] mul:4 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x08,0xdd,0xd5,0xe9,0x00,0x00,0x10,0x01,0x77,0x39,0x05]
+# GFX12-FAKE16: v_trunc_f16_e64_dpp v5, v1 mul:4 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0xdd,0xd5,0xe9,0x00,0x00,0x10,0x01,0x77,0x39,0x05]
+
+0xff,0xc1,0xdd,0xd5,0xea,0x00,0x00,0x38,0xff,0x00,0x00,0x00
+# GFX12-REAL16: v_trunc_f16_e64_dpp v255.h, -|v255.l| op_sel:[0,1] clamp div:2 dpp8:[0,0,0,0,0,0,0,0] fi:1 ; encoding: [0xff,0xc1,0xdd,0xd5,0xea,0x00,0x00,0x38,0xff,0x00,0x00,0x00]
+# GFX12-FAKE16: v_trunc_f16_e64_dpp v255, -|v255| clamp div:2 dpp8:[0,0,0,0,0,0,0,0] fi:1 ; encoding: [0xff,0x81,0xdd,0xd5,0xea,0x00,0x00,0x38,0xff,0x00,0x00,0x00]
 
 0x05,0x00,0xa1,0xd5,0xe9,0x00,0x00,0x00,0x01,0x77,0x39,0x05
 # GFX12: v_trunc_f32_e64_dpp v5, v1 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0xa1,0xd5,0xe9,0x00,0x00,0x00,0x01,0x77,0x39,0x05]


        


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