[llvm] [AMDGPU][MC][True16] VOP3dot instruction update for true16/fake16 (PR #113474)

[Brox Chen via llvm-commits]

================
@@ -5445,30 +5445,102 @@
 # W64-FAKE16: v_sub_nc_u16_e64_dpp v255, v255, v255 op_sel:[0,0,1] clamp row_xmask:15 row_mask:0x3 bank_mask:0x0 bound_ctrl:1 fi:1 ; encoding: [0xff,0xc0,0x04,0xd7,0xfa,0xfe,0x03,0x00,0xff,0x6f,0x0d,0x30]
 
 0x00,0x00,0x66,0xd6,0xfa,0x04,0x0e,0x04,0x01,0xe4,0x04,0x00
-# GFX12: v_dot2_f16_f16_e64_dpp v0, v1, v2, v3 quad_perm:[0,1,2,3] row_mask:0x0 bank_mask:0x0 fi:1 ; encoding: [0x00,0x00,0x66,0xd6,0xfa,0x04,0x0e,0x04,0x01,0xe4,0x04,0x00]
+# W32-REAL16: v_dot2_f16_f16_e64_dpp v0.l, v1, v2, v3.l quad_perm:[0,1,2,3] row_mask:0x0 bank_mask:0x0 fi:1 ; encoding: [0x00,0x00,0x66,0xd6,0xfa,0x04,0x0e,0x04,0x01,0xe4,0x04,0x00]
+# W32-FAKE16: v_dot2_f16_f16_e64_dpp v0, v1, v2, v3 quad_perm:[0,1,2,3] row_mask:0x0 bank_mask:0x0 fi:1 ; encoding: [0x00,0x00,0x66,0xd6,0xfa,0x04,0x0e,0x04,0x01,0xe4,0x04,0x00]
+# W64-REAL16: v_dot2_f16_f16_e64_dpp v0.l, v1, v2, v3.l quad_perm:[0,1,2,3] row_mask:0x0 bank_mask:0x0 fi:1 ; encoding: [0x00,0x00,0x66,0xd6,0xfa,0x04,0x0e,0x04,0x01,0xe4,0x04,0x00]
+# W64-FAKE16: v_dot2_f16_f16_e64_dpp v0, v1, v2, v3 quad_perm:[0,1,2,3] row_mask:0x0 bank_mask:0x0 fi:1 ; encoding: [0x00,0x00,0x66,0xd6,0xfa,0x04,0x0e,0x04,0x01,0xe4,0x04,0x00]
 
 # op_sel[1:0] are ignored
 0x00,0x78,0x66,0xd6,0xfa,0x04,0x0e,0x04,0x01,0xe4,0x04,0x00
-# GFX12: v_dot2_f16_f16_e64_dpp v0, v1, v2, v3 op_sel:[0,0,1,1] quad_perm:[0,1,2,3] row_mask:0x0 bank_mask:0x0 fi:1 ; encoding: [0x00,0x60,0x66,0xd6,0xfa,0x04,0x0e,0x04,0x01,0xe4,0x04,0x00]
+# W32-REAL16: v_dot2_f16_f16_e64_dpp v0.h, v1, v2, v3.h op_sel:[0,0,1,1] quad_perm:[0,1,2,3] row_mask:0x0 bank_mask:0x0 fi:1 ; encoding: [0x00,0x60,0x66,0xd6,0xfa,0x04,0x0e,0x04,0x01,0xe4,0x04,0x00]
+# W32-FAKE16: v_dot2_f16_f16_e64_dpp v0, v1, v2, v3 op_sel:[0,0,1,1] quad_perm:[0,1,2,3] row_mask:0x0 bank_mask:0x0 fi:1 ; encoding: [0x00,0x60,0x66,0xd6,0xfa,0x04,0x0e,0x04,0x01,0xe4,0x04,0x00]
+# W64-REAL16: v_dot2_f16_f16_e64_dpp v0.h, v1, v2, v3.h op_sel:[0,0,1,1] quad_perm:[0,1,2,3] row_mask:0x0 bank_mask:0x0 fi:1 ; encoding: [0x00,0x60,0x66,0xd6,0xfa,0x04,0x0e,0x04,0x01,0xe4,0x04,0x00]
+# W64-FAKE16: v_dot2_f16_f16_e64_dpp v0, v1, v2, v3 op_sel:[0,0,1,1] quad_perm:[0,1,2,3] row_mask:0x0 bank_mask:0x0 fi:1 ; encoding: [0x00,0x60,0x66,0xd6,0xfa,0x04,0x0e,0x04,0x01,0xe4,0x04,0x00]
 
 0x00,0x60,0x66,0xd6,0xfa,0x04,0x0e,0x04,0x01,0xe4,0x04,0x00
-# GFX12: v_dot2_f16_f16_e64_dpp v0, v1, v2, v3 op_sel:[0,0,1,1] quad_perm:[0,1,2,3] row_mask:0x0 bank_mask:0x0 fi:1 ; encoding: [0x00,0x60,0x66,0xd6,0xfa,0x04,0x0e,0x04,0x01,0xe4,0x04,0x00]
+# W32-REAL16: v_dot2_f16_f16_e64_dpp v0.h, v1, v2, v3.h op_sel:[0,0,1,1] quad_perm:[0,1,2,3] row_mask:0x0 bank_mask:0x0 fi:1 ; encoding: [0x00,0x60,0x66,0xd6,0xfa,0x04,0x0e,0x04,0x01,0xe4,0x04,0x00]
+# W32-FAKE16: v_dot2_f16_f16_e64_dpp v0, v1, v2, v3 op_sel:[0,0,1,1] quad_perm:[0,1,2,3] row_mask:0x0 bank_mask:0x0 fi:1 ; encoding: [0x00,0x60,0x66,0xd6,0xfa,0x04,0x0e,0x04,0x01,0xe4,0x04,0x00]
+# W64-REAL16: v_dot2_f16_f16_e64_dpp v0.h, v1, v2, v3.h op_sel:[0,0,1,1] quad_perm:[0,1,2,3] row_mask:0x0 bank_mask:0x0 fi:1 ; encoding: [0x00,0x60,0x66,0xd6,0xfa,0x04,0x0e,0x04,0x01,0xe4,0x04,0x00]
+# W64-FAKE16: v_dot2_f16_f16_e64_dpp v0, v1, v2, v3 op_sel:[0,0,1,1] quad_perm:[0,1,2,3] row_mask:0x0 bank_mask:0x0 fi:1 ; encoding: [0x00,0x60,0x66,0xd6,0xfa,0x04,0x0e,0x04,0x01,0xe4,0x04,0x00]
 
 0x00,0x65,0x66,0xd6,0xfa,0x04,0x0e,0xc0,0x01,0xe4,0x04,0x00
-# GFX12: v_dot2_f16_f16_e64_dpp v0, |v1|, -v2, -|s3| op_sel:[0,0,1,1] quad_perm:[0,1,2,3] row_mask:0x0 bank_mask:0x0 fi:1 ; encoding: [0x00,0x65,0x66,0xd6,0xfa,0x04,0x0e,0xc0,0x01,0xe4,0x04,0x00]
+# W32-REAL16: v_dot2_f16_f16_e64_dpp v0.h, |v1|, -v2, -|s3| op_sel:[0,0,1,1] quad_perm:[0,1,2,3] row_mask:0x0 bank_mask:0x0 fi:1 ; encoding: [0x00,0x65,0x66,0xd6,0xfa,0x04,0x0e,0xc0,0x01,0xe4,0x04,0x00]
+# W32-FAKE16: v_dot2_f16_f16_e64_dpp v0, |v1|, -v2, -|s3| op_sel:[0,0,1,1] quad_perm:[0,1,2,3] row_mask:0x0 bank_mask:0x0 fi:1 ; encoding: [0x00,0x65,0x66,0xd6,0xfa,0x04,0x0e,0xc0,0x01,0xe4,0x04,0x00]
+# W64-REAL16: v_dot2_f16_f16_e64_dpp v0.h, |v1|, -v2, -|s3| op_sel:[0,0,1,1] quad_perm:[0,1,2,3] row_mask:0x0 bank_mask:0x0 fi:1 ; encoding: [0x00,0x65,0x66,0xd6,0xfa,0x04,0x0e,0xc0,0x01,0xe4,0x04,0x00]
+# W64-FAKE16: v_dot2_f16_f16_e64_dpp v0, |v1|, -v2, -|s3| op_sel:[0,0,1,1] quad_perm:[0,1,2,3] row_mask:0x0 bank_mask:0x0 fi:1 ; encoding: [0x00,0x65,0x66,0xd6,0xfa,0x04,0x0e,0xc0,0x01,0xe4,0x04,0x00]
+
+0x05,0x20,0x66,0xd6,0xfa,0x04,0xfe,0x07,0x01,0xe4,0x00,0xff
+# W32-REAL16: v_dot2_f16_f16_e64_dpp v5.l, v1, v2, v255.h op_sel:[0,0,1,0] quad_perm:[0,1,2,3] row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x20,0x66,0xd6,0xfa,0x04,0xfe,0x07,0x01,0xe4,0x00,0xff]
+# W32-FAKE16: v_dot2_f16_f16_e64_dpp v5, v1, v2, v255 op_sel:[0,0,1,0] quad_perm:[0,1,2,3] row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x20,0x66,0xd6,0xfa,0x04,0xfe,0x07,0x01,0xe4,0x00,0xff]
+# W64-REAL16: v_dot2_f16_f16_e64_dpp v5.l, v1, v2, v255.h op_sel:[0,0,1,0] quad_perm:[0,1,2,3] row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x20,0x66,0xd6,0xfa,0x04,0xfe,0x07,0x01,0xe4,0x00,0xff]
+# W64-FAKE16: v_dot2_f16_f16_e64_dpp v5, v1, v2, v255 op_sel:[0,0,1,0] quad_perm:[0,1,2,3] row_mask:0xf bank_mask:0xf ; encoding: [0x05,0x20,0x66,0xd6,0xfa,0x04,0xfe,0x07,0x01,0xe4,0x00,0xff]
+
+0xff,0x47,0x66,0xd6,0xfa,0xfe,0xf7,0xe3,0xff,0x6f,0x0d,0x30
+# W32-REAL16: v_dot2_f16_f16_e64_dpp v255.h, -|v255|, -|v255|, -|src_scc| op_sel:[0,0,0,1] row_xmask:15 row_mask:0x3 bank_mask:0x0 bound_ctrl:1 fi:1 ; encoding: [0xff,0x47,0x66,0xd6,0xfa,0xfe,0xf7,0xe3,0xff,0x6f,0x0d,0x30]
+# W32-FAKE16: v_dot2_f16_f16_e64_dpp v255, -|v255|, -|v255|, -|src_scc| op_sel:[0,0,0,1] row_xmask:15 row_mask:0x3 bank_mask:0x0 bound_ctrl:1 fi:1 ; encoding: [0xff,0x47,0x66,0xd6,0xfa,0xfe,0xf7,0xe3,0xff,0x6f,0x0d,0x30]
+# W64-REAL16: v_dot2_f16_f16_e64_dpp v255.h, -|v255|, -|v255|, -|src_scc| op_sel:[0,0,0,1] row_xmask:15 row_mask:0x3 bank_mask:0x0 bound_ctrl:1 fi:1 ; encoding: [0xff,0x47,0x66,0xd6,0xfa,0xfe,0xf7,0xe3,0xff,0x6f,0x0d,0x30]
+# W64-FAKE16: v_dot2_f16_f16_e64_dpp v255, -|v255|, -|v255|, -|src_scc| op_sel:[0,0,0,1] row_xmask:15 row_mask:0x3 bank_mask:0x0 bound_ctrl:1 fi:1 ; encoding: [0xff,0x47,0x66,0xd6,0xfa,0xfe,0xf7,0xe3,0xff,0x6f,0x0d,0x30]
+
+0x05,0x20,0x66,0xd6,0xfa,0x04,0xfe,0x07,0x01,0xe4,0x00,0xff
----------------
broxigarchen wrote:

Thanks for pointing this out. I will bring up a patch to run "--unique" on these files

https://github.com/llvm/llvm-project/pull/113474