[llvm] 44ff904 - [AMDGPU] Add VEXPORT encoding for GFX12 (#74615)
via llvm-commits
llvm-commits at lists.llvm.org
Thu Dec 7 02:06:24 PST 2023
Author: Jay Foad
Date: 2023-12-07T10:06:20Z
New Revision: 44ff904d21ff8b0d559b93f070a7e4ee06228085
URL: https://github.com/llvm/llvm-project/commit/44ff904d21ff8b0d559b93f070a7e4ee06228085
DIFF: https://github.com/llvm/llvm-project/commit/44ff904d21ff8b0d559b93f070a7e4ee06228085.diff
LOG: [AMDGPU] Add VEXPORT encoding for GFX12 (#74615)
In GFX12 the exp instruction is renamed to export, but exp is still
accepted as an alias.
Co-authored-by: Mateja Marjanovic <mateja.marjanovic at amd.com>
Added:
llvm/test/MC/AMDGPU/gfx12_asm_exp.s
llvm/test/MC/Disassembler/AMDGPU/gfx12_dasm_exp.txt
Modified:
llvm/lib/Target/AMDGPU/Disassembler/AMDGPUDisassembler.cpp
llvm/lib/Target/AMDGPU/EXPInstructions.td
llvm/test/MC/AMDGPU/exp.s
Removed:
################################################################################
diff --git a/llvm/lib/Target/AMDGPU/Disassembler/AMDGPUDisassembler.cpp b/llvm/lib/Target/AMDGPU/Disassembler/AMDGPUDisassembler.cpp
index 3175f6358a045..8b749f103cde9 100644
--- a/llvm/lib/Target/AMDGPU/Disassembler/AMDGPUDisassembler.cpp
+++ b/llvm/lib/Target/AMDGPU/Disassembler/AMDGPUDisassembler.cpp
@@ -771,7 +771,7 @@ DecodeStatus AMDGPUDisassembler::getInstruction(MCInst &MI, uint64_t &Size,
}
DecodeStatus AMDGPUDisassembler::convertEXPInst(MCInst &MI) const {
- if (STI.hasFeature(AMDGPU::FeatureGFX11)) {
+ if (STI.hasFeature(AMDGPU::FeatureGFX11Insts)) {
// The MCInst still has these fields even though they are no longer encoded
// in the GFX11 instruction.
insertNamedMCOperand(MI, MCOperand::createImm(0), AMDGPU::OpName::vm);
diff --git a/llvm/lib/Target/AMDGPU/EXPInstructions.td b/llvm/lib/Target/AMDGPU/EXPInstructions.td
index 14ba01f0d67c6..ff1d661ef6fe1 100644
--- a/llvm/lib/Target/AMDGPU/EXPInstructions.td
+++ b/llvm/lib/Target/AMDGPU/EXPInstructions.td
@@ -41,8 +41,8 @@ class EXP_Real_ComprVM<bit done, string pseudo, int subtarget>
}
// Real instruction with optional asm operand "row_en".
-class EXP_Real_Row<bit row, bit done, string pseudo, int subtarget>
- : EXPCommon<row, done, "exp$tgt $src0, $src1, $src2, $src3"
+class EXP_Real_Row<bit row, bit done, string pseudo, int subtarget, string name = "exp">
+ : EXPCommon<row, done, name#"$tgt $src0, $src1, $src2, $src3"
#!if(done, " done", "")#!if(row, " row_en", "")>,
SIMCInstr<pseudo, subtarget> {
let AsmMatchConverter = "cvtExp";
@@ -105,12 +105,12 @@ def EXP_gfx10 : EXP_Real_gfx10<0, "EXP">;
def EXP_DONE_gfx10 : EXP_Real_gfx10<1, "EXP_DONE">;
//===----------------------------------------------------------------------===//
-// GFX11+
+// GFX11
//===----------------------------------------------------------------------===//
class EXP_Real_gfx11<bit _row, bit _done, string pseudo>
: EXP_Real_Row<_row, _done, pseudo, SIEncodingFamily.GFX11>, EXPe_Row {
- let AssemblerPredicate = isGFX11Plus;
+ let AssemblerPredicate = isGFX11Only;
let DecoderNamespace = "GFX11";
let row = _row;
let done = _done;
@@ -121,6 +121,24 @@ def EXP_DONE_gfx11 : EXP_Real_gfx11<0, 1, "EXP_DONE">;
def EXP_ROW_gfx11 : EXP_Real_gfx11<1, 0, "EXP_ROW">;
def EXP_ROW_DONE_gfx11 : EXP_Real_gfx11<1, 1, "EXP_ROW_DONE">;
+//===----------------------------------------------------------------------===//
+// GFX12+
+//===----------------------------------------------------------------------===//
+
+class VEXPORT_Real_gfx12<bit _row, bit _done, string pseudo>
+ : EXP_Real_Row<_row, _done, pseudo, SIEncodingFamily.GFX12, "export">,
+ EXPe_Row, MnemonicAlias<"exp", "export">, Requires<[isGFX12Plus]> {
+ let AssemblerPredicate = isGFX12Plus;
+ let DecoderNamespace = "GFX12";
+ let row = _row;
+ let done = _done;
+}
+
+def EXPORT_gfx12 : VEXPORT_Real_gfx12<0, 0, "EXP">;
+def EXPORT_DONE_gfx12 : VEXPORT_Real_gfx12<0, 1, "EXP_DONE">;
+def EXPORT_ROW_gfx12 : VEXPORT_Real_gfx12<1, 0, "EXP_ROW">;
+def EXPORT_ROW_DONE_gfx12 : VEXPORT_Real_gfx12<1, 1, "EXP_ROW_DONE">;
+
//===----------------------------------------------------------------------===//
// EXP Patterns
//===----------------------------------------------------------------------===//
diff --git a/llvm/test/MC/AMDGPU/exp.s b/llvm/test/MC/AMDGPU/exp.s
index a2fa09b71496c..d04e15202a586 100644
--- a/llvm/test/MC/AMDGPU/exp.s
+++ b/llvm/test/MC/AMDGPU/exp.s
@@ -3,103 +3,124 @@
// RUN: llvm-mc -triple=amdgcn -mcpu=gfx900 -show-encoding %s | FileCheck -check-prefix=GFX89 %s
// RUN: llvm-mc -triple=amdgcn -mcpu=gfx1010 -show-encoding %s | FileCheck -check-prefix=GFX10 %s
// RUN: llvm-mc -triple=amdgcn -mcpu=gfx1100 -show-encoding %s | FileCheck -check-prefix=GFX10 %s
+// RUN: llvm-mc -triple=amdgcn -mcpu=gfx1200 -show-encoding %s | FileCheck -check-prefix=GFX12 %s
exp mrt0 off, off, off, off
// SI: exp mrt0 off, off, off, off ; encoding: [0x00,0x00,0x00,0xf8,0x00,0x00,0x00,0x00]
// GFX89: exp mrt0 off, off, off, off ; encoding: [0x00,0x00,0x00,0xc4,0x00,0x00,0x00,0x00]
// GFX10: exp mrt0 off, off, off, off ; encoding: [0x00,0x00,0x00,0xf8,0x00,0x00,0x00,0x00]
+// GFX12: export mrt0 off, off, off, off ; encoding: [0x00,0x00,0x00,0xf8,0x00,0x00,0x00,0x00]
exp mrt0 off, off, off, off done
// SI: exp mrt0 off, off, off, off done ; encoding: [0x00,0x08,0x00,0xf8,0x00,0x00,0x00,0x00]
// GFX89: exp mrt0 off, off, off, off done ; encoding: [0x00,0x08,0x00,0xc4,0x00,0x00,0x00,0x00]
// GFX10: exp mrt0 off, off, off, off done ; encoding: [0x00,0x08,0x00,0xf8,0x00,0x00,0x00,0x00]
+// GFX12: export mrt0 off, off, off, off done ; encoding: [0x00,0x08,0x00,0xf8,0x00,0x00,0x00,0x00]
exp mrt0 v4, off, off, off done
// SI: exp mrt0 v4, off, off, off done ; encoding: [0x01,0x08,0x00,0xf8,0x04,0x00,0x00,0x00]
// GFX89: exp mrt0 v4, off, off, off done ; encoding: [0x01,0x08,0x00,0xc4,0x04,0x00,0x00,0x00]
// GFX10: exp mrt0 v4, off, off, off done ; encoding: [0x01,0x08,0x00,0xf8,0x04,0x00,0x00,0x00]
+// GFX12: export mrt0 v4, off, off, off done ; encoding: [0x01,0x08,0x00,0xf8,0x04,0x00,0x00,0x00]
exp mrt0 off, v3, off, off done
// SI: exp mrt0 off, v3, off, off done ; encoding: [0x02,0x08,0x00,0xf8,0x00,0x03,0x00,0x00]
// GFX89: exp mrt0 off, v3, off, off done ; encoding: [0x02,0x08,0x00,0xc4,0x00,0x03,0x00,0x00]
// GFX10: exp mrt0 off, v3, off, off done ; encoding: [0x02,0x08,0x00,0xf8,0x00,0x03,0x00,0x00]
+// GFX12: export mrt0 off, v3, off, off done ; encoding: [0x02,0x08,0x00,0xf8,0x00,0x03,0x00,0x00]
exp mrt0 off, off, v2, off done
// SI: exp mrt0 off, off, v2, off done ; encoding: [0x04,0x08,0x00,0xf8,0x00,0x00,0x02,0x00]
// GFX89: exp mrt0 off, off, v2, off done ; encoding: [0x04,0x08,0x00,0xc4,0x00,0x00,0x02,0x00]
// GFX10: exp mrt0 off, off, v2, off done ; encoding: [0x04,0x08,0x00,0xf8,0x00,0x00,0x02,0x00]
+// GFX12: export mrt0 off, off, v2, off done ; encoding: [0x04,0x08,0x00,0xf8,0x00,0x00,0x02,0x00]
exp mrt0 off, off, off, v1 done
// SI: exp mrt0 off, off, off, v1 done ; encoding: [0x08,0x08,0x00,0xf8,0x00,0x00,0x00,0x01]
// GFX89: exp mrt0 off, off, off, v1 done ; encoding: [0x08,0x08,0x00,0xc4,0x00,0x00,0x00,0x01]
// GFX10: exp mrt0 off, off, off, v1 done ; encoding: [0x08,0x08,0x00,0xf8,0x00,0x00,0x00,0x01]
+// GFX12: export mrt0 off, off, off, v1 done ; encoding: [0x08,0x08,0x00,0xf8,0x00,0x00,0x00,0x01]
exp mrt0 v4, v3, off, off done
// SI: exp mrt0 v4, v3, off, off done ; encoding: [0x03,0x08,0x00,0xf8,0x04,0x03,0x00,0x00]
// GFX89: exp mrt0 v4, v3, off, off done ; encoding: [0x03,0x08,0x00,0xc4,0x04,0x03,0x00,0x00]
// GFX10: exp mrt0 v4, v3, off, off done ; encoding: [0x03,0x08,0x00,0xf8,0x04,0x03,0x00,0x00]
+// GFX12: export mrt0 v4, v3, off, off done ; encoding: [0x03,0x08,0x00,0xf8,0x04,0x03,0x00,0x00]
exp mrt0 v4, off, v2, off done
// SI: exp mrt0 v4, off, v2, off done ; encoding: [0x05,0x08,0x00,0xf8,0x04,0x00,0x02,0x00]
// GFX89: exp mrt0 v4, off, v2, off done ; encoding: [0x05,0x08,0x00,0xc4,0x04,0x00,0x02,0x00]
// GFX10: exp mrt0 v4, off, v2, off done ; encoding: [0x05,0x08,0x00,0xf8,0x04,0x00,0x02,0x00]
+// GFX12: export mrt0 v4, off, v2, off done ; encoding: [0x05,0x08,0x00,0xf8,0x04,0x00,0x02,0x00]
exp mrt0 v4, off, off, v1
// SI: exp mrt0 v4, off, off, v1 ; encoding: [0x09,0x00,0x00,0xf8,0x04,0x00,0x00,0x01]
// GFX89: exp mrt0 v4, off, off, v1 ; encoding: [0x09,0x00,0x00,0xc4,0x04,0x00,0x00,0x01]
// GFX10: exp mrt0 v4, off, off, v1 ; encoding: [0x09,0x00,0x00,0xf8,0x04,0x00,0x00,0x01]
+// GFX12: export mrt0 v4, off, off, v1 ; encoding: [0x09,0x00,0x00,0xf8,0x04,0x00,0x00,0x01]
exp mrt0 v4, off, off, v1 done
// SI: exp mrt0 v4, off, off, v1 done ; encoding: [0x09,0x08,0x00,0xf8,0x04,0x00,0x00,0x01]
// GFX89: exp mrt0 v4, off, off, v1 done ; encoding: [0x09,0x08,0x00,0xc4,0x04,0x00,0x00,0x01]
// GFX10: exp mrt0 v4, off, off, v1 done ; encoding: [0x09,0x08,0x00,0xf8,0x04,0x00,0x00,0x01]
+// GFX12: export mrt0 v4, off, off, v1 done ; encoding: [0x09,0x08,0x00,0xf8,0x04,0x00,0x00,0x01]
exp mrt0 v4, v3, v2, v1
// SI: exp mrt0 v4, v3, v2, v1 ; encoding: [0x0f,0x00,0x00,0xf8,0x04,0x03,0x02,0x01]
// GFX89: exp mrt0 v4, v3, v2, v1 ; encoding: [0x0f,0x00,0x00,0xc4,0x04,0x03,0x02,0x01]
// GFX10: exp mrt0 v4, v3, v2, v1 ; encoding: [0x0f,0x00,0x00,0xf8,0x04,0x03,0x02,0x01]
+// GFX12: export mrt0 v4, v3, v2, v1 ; encoding: [0x0f,0x00,0x00,0xf8,0x04,0x03,0x02,0x01]
exp mrt0 v4, v3, v2, v1 done
// SI: exp mrt0 v4, v3, v2, v1 done ; encoding: [0x0f,0x08,0x00,0xf8,0x04,0x03,0x02,0x01]
// GFX89: exp mrt0 v4, v3, v2, v1 done ; encoding: [0x0f,0x08,0x00,0xc4,0x04,0x03,0x02,0x01]
// GFX10: exp mrt0 v4, v3, v2, v1 done ; encoding: [0x0f,0x08,0x00,0xf8,0x04,0x03,0x02,0x01]
+// GFX12: export mrt0 v4, v3, v2, v1 done ; encoding: [0x0f,0x08,0x00,0xf8,0x04,0x03,0x02,0x01]
exp mrt7 v1, v1, v1, v1
// SI: exp mrt7 v1, v1, v1, v1 ; encoding: [0x7f,0x00,0x00,0xf8,0x01,0x01,0x01,0x01]
// GFX89: exp mrt7 v1, v1, v1, v1 ; encoding: [0x7f,0x00,0x00,0xc4,0x01,0x01,0x01,0x01]
// GFX10: exp mrt7 v1, v1, v1, v1 ; encoding: [0x7f,0x00,0x00,0xf8,0x01,0x01,0x01,0x01]
+// GFX12: export mrt7 v1, v1, v1, v1 ; encoding: [0x7f,0x00,0x00,0xf8,0x01,0x01,0x01,0x01]
exp mrt7 v1, v1, v1, v1 done
// SI: exp mrt7 v1, v1, v1, v1 done ; encoding: [0x7f,0x08,0x00,0xf8,0x01,0x01,0x01,0x01]
// GFX89: exp mrt7 v1, v1, v1, v1 done ; encoding: [0x7f,0x08,0x00,0xc4,0x01,0x01,0x01,0x01]
// GFX10: exp mrt7 v1, v1, v1, v1 done ; encoding: [0x7f,0x08,0x00,0xf8,0x01,0x01,0x01,0x01]
+// GFX12: export mrt7 v1, v1, v1, v1 done ; encoding: [0x7f,0x08,0x00,0xf8,0x01,0x01,0x01,0x01]
exp mrtz v4, v3, v2, v1
// SI: exp mrtz v4, v3, v2, v1 ; encoding: [0x8f,0x00,0x00,0xf8,0x04,0x03,0x02,0x01]
// GFX89: exp mrtz v4, v3, v2, v1 ; encoding: [0x8f,0x00,0x00,0xc4,0x04,0x03,0x02,0x01]
// GFX10: exp mrtz v4, v3, v2, v1 ; encoding: [0x8f,0x00,0x00,0xf8,0x04,0x03,0x02,0x01]
+// GFX12: export mrtz v4, v3, v2, v1 ; encoding: [0x8f,0x00,0x00,0xf8,0x04,0x03,0x02,0x01]
exp mrtz v4, v3, v2, v1 done
// SI: exp mrtz v4, v3, v2, v1 done ; encoding: [0x8f,0x08,0x00,0xf8,0x04,0x03,0x02,0x01]
// GFX89: exp mrtz v4, v3, v2, v1 done ; encoding: [0x8f,0x08,0x00,0xc4,0x04,0x03,0x02,0x01]
// GFX10: exp mrtz v4, v3, v2, v1 done ; encoding: [0x8f,0x08,0x00,0xf8,0x04,0x03,0x02,0x01]
+// GFX12: export mrtz v4, v3, v2, v1 done ; encoding: [0x8f,0x08,0x00,0xf8,0x04,0x03,0x02,0x01]
exp pos0 v4, v3, v2, v1
// SI: exp pos0 v4, v3, v2, v1 ; encoding: [0xcf,0x00,0x00,0xf8,0x04,0x03,0x02,0x01]
// GFX89: exp pos0 v4, v3, v2, v1 ; encoding: [0xcf,0x00,0x00,0xc4,0x04,0x03,0x02,0x01]
// GFX10: exp pos0 v4, v3, v2, v1 ; encoding: [0xcf,0x00,0x00,0xf8,0x04,0x03,0x02,0x01]
+// GFX12: export pos0 v4, v3, v2, v1 ; encoding: [0xcf,0x00,0x00,0xf8,0x04,0x03,0x02,0x01]
exp pos0 v4, v3, v2, v1 done
// SI: exp pos0 v4, v3, v2, v1 done ; encoding: [0xcf,0x08,0x00,0xf8,0x04,0x03,0x02,0x01]
// GFX89: exp pos0 v4, v3, v2, v1 done ; encoding: [0xcf,0x08,0x00,0xc4,0x04,0x03,0x02,0x01]
// GFX10: exp pos0 v4, v3, v2, v1 done ; encoding: [0xcf,0x08,0x00,0xf8,0x04,0x03,0x02,0x01]
+// GFX12: export pos0 v4, v3, v2, v1 done ; encoding: [0xcf,0x08,0x00,0xf8,0x04,0x03,0x02,0x01]
exp pos3 v4, v3, v2, v1
// SI: exp pos3 v4, v3, v2, v1 ; encoding: [0xff,0x00,0x00,0xf8,0x04,0x03,0x02,0x01]
// GFX89: exp pos3 v4, v3, v2, v1 ; encoding: [0xff,0x00,0x00,0xc4,0x04,0x03,0x02,0x01]
// GFX10: exp pos3 v4, v3, v2, v1 ; encoding: [0xff,0x00,0x00,0xf8,0x04,0x03,0x02,0x01]
+// GFX12: export pos3 v4, v3, v2, v1 ; encoding: [0xff,0x00,0x00,0xf8,0x04,0x03,0x02,0x01]
exp pos3 v4, v3, v2, v1 done
// SI: exp pos3 v4, v3, v2, v1 done ; encoding: [0xff,0x08,0x00,0xf8,0x04,0x03,0x02,0x01]
// GFX89: exp pos3 v4, v3, v2, v1 done ; encoding: [0xff,0x08,0x00,0xc4,0x04,0x03,0x02,0x01]
// GFX10: exp pos3 v4, v3, v2, v1 done ; encoding: [0xff,0x08,0x00,0xf8,0x04,0x03,0x02,0x01]
+// GFX12: export pos3 v4, v3, v2, v1 done ; encoding: [0xff,0x08,0x00,0xf8,0x04,0x03,0x02,0x01]
diff --git a/llvm/test/MC/AMDGPU/gfx12_asm_exp.s b/llvm/test/MC/AMDGPU/gfx12_asm_exp.s
new file mode 100644
index 0000000000000..2390813954a25
--- /dev/null
+++ b/llvm/test/MC/AMDGPU/gfx12_asm_exp.s
@@ -0,0 +1,61 @@
+// RUN: llvm-mc -arch=amdgcn -mcpu=gfx1200 -show-encoding %s | FileCheck -check-prefix=GFX12 %s
+
+export mrt0 off, off, off, off
+// GFX12: export mrt0 off, off, off, off ; encoding: [0x00,0x00,0x00,0xf8,0x00,0x00,0x00,0x00]
+
+export mrt0 off, off, off, off done
+// GFX12: export mrt0 off, off, off, off done ; encoding: [0x00,0x08,0x00,0xf8,0x00,0x00,0x00,0x00]
+
+export mrt0 v4, off, off, off done
+// GFX12: export mrt0 v4, off, off, off done ; encoding: [0x01,0x08,0x00,0xf8,0x04,0x00,0x00,0x00]
+
+export mrt0 off, v3, off, off done
+// GFX12: export mrt0 off, v3, off, off done ; encoding: [0x02,0x08,0x00,0xf8,0x00,0x03,0x00,0x00]
+
+export mrt0 off, off, v2, off done
+// GFX12: export mrt0 off, off, v2, off done ; encoding: [0x04,0x08,0x00,0xf8,0x00,0x00,0x02,0x00]
+
+export mrt0 off, off, off, v1 done
+// GFX12: export mrt0 off, off, off, v1 done ; encoding: [0x08,0x08,0x00,0xf8,0x00,0x00,0x00,0x01]
+
+export mrt0 v4, v3, off, off done
+// GFX12: export mrt0 v4, v3, off, off done ; encoding: [0x03,0x08,0x00,0xf8,0x04,0x03,0x00,0x00]
+
+export mrt0 v4, off, v2, off done
+// GFX12: export mrt0 v4, off, v2, off done ; encoding: [0x05,0x08,0x00,0xf8,0x04,0x00,0x02,0x00]
+
+export mrt0 v4, off, off, v1
+// GFX12: export mrt0 v4, off, off, v1 ; encoding: [0x09,0x00,0x00,0xf8,0x04,0x00,0x00,0x01]
+
+export mrt0 v4, off, off, v1 done
+// GFX12: export mrt0 v4, off, off, v1 done ; encoding: [0x09,0x08,0x00,0xf8,0x04,0x00,0x00,0x01]
+
+export mrt0 v4, v3, v2, v1
+// GFX12: export mrt0 v4, v3, v2, v1 ; encoding: [0x0f,0x00,0x00,0xf8,0x04,0x03,0x02,0x01]
+
+export mrt0 v4, v3, v2, v1 done
+// GFX12: export mrt0 v4, v3, v2, v1 done ; encoding: [0x0f,0x08,0x00,0xf8,0x04,0x03,0x02,0x01]
+
+export mrt7 v1, v1, v1, v1
+// GFX12: export mrt7 v1, v1, v1, v1 ; encoding: [0x7f,0x00,0x00,0xf8,0x01,0x01,0x01,0x01]
+
+export mrt7 v1, v1, v1, v1 done
+// GFX12: export mrt7 v1, v1, v1, v1 done ; encoding: [0x7f,0x08,0x00,0xf8,0x01,0x01,0x01,0x01]
+
+export mrtz v4, v3, v2, v1
+// GFX12: export mrtz v4, v3, v2, v1 ; encoding: [0x8f,0x00,0x00,0xf8,0x04,0x03,0x02,0x01]
+
+export mrtz v4, v3, v2, v1 done
+// GFX12: export mrtz v4, v3, v2, v1 done ; encoding: [0x8f,0x08,0x00,0xf8,0x04,0x03,0x02,0x01]
+
+export pos0 v4, v3, v2, v1
+// GFX12: export pos0 v4, v3, v2, v1 ; encoding: [0xcf,0x00,0x00,0xf8,0x04,0x03,0x02,0x01]
+
+export pos0 v4, v3, v2, v1 done
+// GFX12: export pos0 v4, v3, v2, v1 done ; encoding: [0xcf,0x08,0x00,0xf8,0x04,0x03,0x02,0x01]
+
+export pos3 v4, v3, v2, v1
+// GFX12: export pos3 v4, v3, v2, v1 ; encoding: [0xff,0x00,0x00,0xf8,0x04,0x03,0x02,0x01]
+
+export pos3 v4, v3, v2, v1 done
+// GFX12: export pos3 v4, v3, v2, v1 done ; encoding: [0xff,0x08,0x00,0xf8,0x04,0x03,0x02,0x01]
diff --git a/llvm/test/MC/Disassembler/AMDGPU/gfx12_dasm_exp.txt b/llvm/test/MC/Disassembler/AMDGPU/gfx12_dasm_exp.txt
new file mode 100644
index 0000000000000..3f173123983b6
--- /dev/null
+++ b/llvm/test/MC/Disassembler/AMDGPU/gfx12_dasm_exp.txt
@@ -0,0 +1,13 @@
+# RUN: llvm-mc -arch=amdgcn -mcpu=gfx1200 -disassemble -show-encoding < %s | FileCheck %s -check-prefix=GFX12
+
+# GFX12: export dual_src_blend0 v4, v3, v2, v1 ; encoding: [0x5f,0x01,0x00,0xf8,0x04,0x03,0x02,0x01]
+0x5f,0x01,0x00,0xf8,0x04,0x03,0x02,0x01
+
+# GFX12: export dual_src_blend1 v2, v3, off, off ; encoding: [0x63,0x01,0x00,0xf8,0x02,0x03,0x00,0x00]
+0x63,0x01,0x00,0xf8,0x02,0x03,0x00,0x00
+
+# GFX12: export mrtz v4, v3, v2, v1 row_en ; encoding: [0x8f,0x20,0x00,0xf8,0x04,0x03,0x02,0x01]
+0x8f,0x20,0x00,0xf8,0x04,0x03,0x02,0x01
+
+# GFX12: export mrtz v4, v3, off, off done row_en ; encoding: [0x83,0x28,0x00,0xf8,0x04,0x03,0x00,0x00]
+0x83,0x28,0x00,0xf8,0x04,0x03,0x00,0x00
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