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[AMDGPU][GFX12] VOP encoding and codegen - add support for v_cvt fp8/… #78414

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merged 19 commits into from
Jan 24, 2024
Merged

[AMDGPU][GFX12] VOP encoding and codegen - add support for v_cvt fp8/… #78414

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ef5080c
[AMDGPU][GFX12] VOP encoding and codegen - add support for v_cvt fp8/…
matejaMarjanovic Jan 15, 2024
a91e42a
Update tests
mariusz-sikora-at-amd Jan 17, 2024
01d8b5e
Merge main into masikora/gfx12-cvt-fp8
mariusz-sikora-at-amd Jan 18, 2024
8e058e0
Update feature naming to FP8ConversionInsts
mariusz-sikora-at-amd Jan 18, 2024
6149014
Update test
mariusz-sikora-at-amd Jan 18, 2024
4996c77
Move instruction closer to place where used
mariusz-sikora-at-amd Jan 18, 2024
a36de86
Don't use getMCReg
mariusz-sikora-at-amd Jan 18, 2024
afe32a9
Remove VOP1 suffix from function name
mariusz-sikora-at-amd Jan 18, 2024
685d767
Merge main into masikora/gfx12-cvt-fp8
mariusz-sikora-at-amd Jan 18, 2024
7de5e75
Add fp8-conversion-insts feature to clang
mariusz-sikora-at-amd Jan 19, 2024
9ad8493
Merge main into masikora/gfx12-cvt-fp8
mariusz-sikora-at-amd Jan 19, 2024
9a7989f
Merge main into masikora/gfx12-cvt-fp8
mariusz-sikora-at-amd Jan 22, 2024
3211bc3
Remove OP_SEL_1 from Cvt_F32_F8_Pat_OpSel pattern
mariusz-sikora-at-amd Jan 22, 2024
55d4d1b
Update handling op_sel by Mirko Brkušanin
mbrkusanin Jan 22, 2024
55d611a
Remove dummy operands by Mirko Brkušanin
mbrkusanin Jan 22, 2024
585e918
[AMDGPU] Properly check op_sel in GCNDPPCombine
mbrkusanin Jan 23, 2024
a3610b5
Merge main into masikora/gfx12-cvt-fp8
mariusz-sikora-at-amd Jan 23, 2024
1db3bf4
Update tests
mariusz-sikora-at-amd Jan 23, 2024
5270f1e
Merge main into masikora/gfx12-cvt-fp8
mariusz-sikora-at-amd Jan 24, 2024
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4 changes: 2 additions & 2 deletions clang/test/CodeGenOpenCL/amdgpu-features.cl
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Original file line number Diff line number Diff line change
Expand Up @@ -100,8 +100,8 @@
// GFX1103: "target-features"="+16-bit-insts,+atomic-fadd-rtn-insts,+ci-insts,+dl-insts,+dot10-insts,+dot5-insts,+dot7-insts,+dot8-insts,+dot9-insts,+dpp,+gfx10-3-insts,+gfx10-insts,+gfx11-insts,+gfx8-insts,+gfx9-insts,+wavefrontsize32"
// GFX1150: "target-features"="+16-bit-insts,+atomic-fadd-rtn-insts,+ci-insts,+dl-insts,+dot10-insts,+dot5-insts,+dot7-insts,+dot8-insts,+dot9-insts,+dpp,+gfx10-3-insts,+gfx10-insts,+gfx11-insts,+gfx8-insts,+gfx9-insts,+wavefrontsize32"
// GFX1151: "target-features"="+16-bit-insts,+atomic-fadd-rtn-insts,+ci-insts,+dl-insts,+dot10-insts,+dot5-insts,+dot7-insts,+dot8-insts,+dot9-insts,+dpp,+gfx10-3-insts,+gfx10-insts,+gfx11-insts,+gfx8-insts,+gfx9-insts,+wavefrontsize32"
// GFX1200: "target-features"="+16-bit-insts,+atomic-buffer-global-pk-add-f16-insts,+atomic-ds-pk-add-16-insts,+atomic-fadd-rtn-insts,+atomic-flat-pk-add-16-insts,+atomic-global-pk-add-bf16-inst,+ci-insts,+dl-insts,+dot10-insts,+dot7-insts,+dot8-insts,+dot9-insts,+dpp,+gfx10-3-insts,+gfx10-insts,+gfx11-insts,+gfx12-insts,+gfx8-insts,+gfx9-insts,+wavefrontsize32"
// GFX1201: "target-features"="+16-bit-insts,+atomic-buffer-global-pk-add-f16-insts,+atomic-ds-pk-add-16-insts,+atomic-fadd-rtn-insts,+atomic-flat-pk-add-16-insts,+atomic-global-pk-add-bf16-inst,+ci-insts,+dl-insts,+dot10-insts,+dot7-insts,+dot8-insts,+dot9-insts,+dpp,+gfx10-3-insts,+gfx10-insts,+gfx11-insts,+gfx12-insts,+gfx8-insts,+gfx9-insts,+wavefrontsize32"
// GFX1200: "target-features"="+16-bit-insts,+atomic-buffer-global-pk-add-f16-insts,+atomic-ds-pk-add-16-insts,+atomic-fadd-rtn-insts,+atomic-flat-pk-add-16-insts,+atomic-global-pk-add-bf16-inst,+ci-insts,+dl-insts,+dot10-insts,+dot7-insts,+dot8-insts,+dot9-insts,+dpp,+fp8-conversion-insts,+gfx10-3-insts,+gfx10-insts,+gfx11-insts,+gfx12-insts,+gfx8-insts,+gfx9-insts,+wavefrontsize32"
// GFX1201: "target-features"="+16-bit-insts,+atomic-buffer-global-pk-add-f16-insts,+atomic-ds-pk-add-16-insts,+atomic-fadd-rtn-insts,+atomic-flat-pk-add-16-insts,+atomic-global-pk-add-bf16-inst,+ci-insts,+dl-insts,+dot10-insts,+dot7-insts,+dot8-insts,+dot9-insts,+dpp,+fp8-conversion-insts,+gfx10-3-insts,+gfx10-insts,+gfx11-insts,+gfx12-insts,+gfx8-insts,+gfx9-insts,+wavefrontsize32"

// GFX1103-W64: "target-features"="+16-bit-insts,+atomic-fadd-rtn-insts,+ci-insts,+dl-insts,+dot10-insts,+dot5-insts,+dot7-insts,+dot8-insts,+dot9-insts,+dpp,+gfx10-3-insts,+gfx10-insts,+gfx11-insts,+gfx8-insts,+gfx9-insts,+wavefrontsize64"

Expand Down
35 changes: 18 additions & 17 deletions clang/test/CodeGenOpenCL/builtins-amdgcn-fp8.cl
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@@ -1,59 +1,60 @@
// REQUIRES: amdgpu-registered-target
// RUN: %clang_cc1 -triple amdgcn-unknown-unknown -target-cpu gfx940 -S -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK-GFX940
// RUN: %clang_cc1 -triple amdgcn-unknown-unknown -target-cpu gfx940 -S -emit-llvm -o - %s | FileCheck %s
// RUN: %clang_cc1 -triple amdgcn-unknown-unknown -target-cpu gfx1200 -S -emit-llvm -o - %s | FileCheck %s

typedef float v2f __attribute__((ext_vector_type(2)));

// CHECK-GFX940-LABEL: @test_cvt_f32_bf8
// CHECK-GFX940: call float @llvm.amdgcn.cvt.f32.bf8(i32 %a, i32 0)
// CHECK-LABEL: @test_cvt_f32_bf8
// CHECK: call float @llvm.amdgcn.cvt.f32.bf8(i32 %a, i32 0)
void test_cvt_f32_bf8(global int* out, int a)
{
*out = __builtin_amdgcn_cvt_f32_bf8(a, 0);
}

// CHECK-GFX940-LABEL: @test_cvt_f32_fp8
// CHECK-GFX940: call float @llvm.amdgcn.cvt.f32.fp8(i32 %a, i32 1)
// CHECK-LABEL: @test_cvt_f32_fp8
// CHECK: call float @llvm.amdgcn.cvt.f32.fp8(i32 %a, i32 1)
void test_cvt_f32_fp8(global int* out, int a)
{
*out = __builtin_amdgcn_cvt_f32_fp8(a, 1);
}

// CHECK-GFX940-LABEL: @test_cvt_pk_f32_bf8
// CHECK-GFX940: call <2 x float> @llvm.amdgcn.cvt.pk.f32.bf8(i32 %a, i1 false)
// CHECK-LABEL: @test_cvt_pk_f32_bf8
// CHECK: call <2 x float> @llvm.amdgcn.cvt.pk.f32.bf8(i32 %a, i1 false)
void test_cvt_pk_f32_bf8(global v2f* out, int a)
{
*out = __builtin_amdgcn_cvt_pk_f32_bf8(a, false);
}

// CHECK-GFX940-LABEL: @test_cvt_pk_f32_fp8
// CHECK-GFX940: call <2 x float> @llvm.amdgcn.cvt.pk.f32.fp8(i32 %a, i1 true)
// CHECK-LABEL: @test_cvt_pk_f32_fp8
// CHECK: call <2 x float> @llvm.amdgcn.cvt.pk.f32.fp8(i32 %a, i1 true)
void test_cvt_pk_f32_fp8(global v2f* out, int a)
{
*out = __builtin_amdgcn_cvt_pk_f32_fp8(a, true);
}

// CHECK-GFX940-LABEL: @test_cvt_pk_bf8_f32
// CHECK-GFX940: call i32 @llvm.amdgcn.cvt.pk.bf8.f32(float %a, float %b, i32 %old, i1 false)
// CHECK-LABEL: @test_cvt_pk_bf8_f32
// CHECK: call i32 @llvm.amdgcn.cvt.pk.bf8.f32(float %a, float %b, i32 %old, i1 false)
void test_cvt_pk_bf8_f32(global int* out, int old, float a, float b)
{
*out = __builtin_amdgcn_cvt_pk_bf8_f32(a, b, old, false);
}

// CHECK-GFX940-LABEL: @test_cvt_pk_fp8_f32
// CHECK-GFX940: call i32 @llvm.amdgcn.cvt.pk.fp8.f32(float %a, float %b, i32 %old, i1 true)
// CHECK-LABEL: @test_cvt_pk_fp8_f32
// CHECK: call i32 @llvm.amdgcn.cvt.pk.fp8.f32(float %a, float %b, i32 %old, i1 true)
void test_cvt_pk_fp8_f32(global int* out, int old, float a, float b)
{
*out = __builtin_amdgcn_cvt_pk_fp8_f32(a, b, old, true);
}

// CHECK-GFX940-LABEL: @test_cvt_sr_bf8_f32
// CHECK-GFX940: call i32 @llvm.amdgcn.cvt.sr.bf8.f32(float %a, i32 %b, i32 %old, i32 2)
// CHECK-LABEL: @test_cvt_sr_bf8_f32
// CHECK: call i32 @llvm.amdgcn.cvt.sr.bf8.f32(float %a, i32 %b, i32 %old, i32 2)
void test_cvt_sr_bf8_f32(global int* out, int old, float a, int b)
{
*out = __builtin_amdgcn_cvt_sr_bf8_f32(a, b, old, 2);
}

// CHECK-GFX940-LABEL: @test_cvt_sr_fp8_f32
// CHECK-GFX940: call i32 @llvm.amdgcn.cvt.sr.fp8.f32(float %a, i32 %b, i32 %old, i32 3)
// CHECK-LABEL: @test_cvt_sr_fp8_f32
// CHECK: call i32 @llvm.amdgcn.cvt.sr.fp8.f32(float %a, i32 %b, i32 %old, i32 3)
void test_cvt_sr_fp8_f32(global int* out, int old, float a, int b)
{
*out = __builtin_amdgcn_cvt_sr_fp8_f32(a, b, old, 3);
Expand Down
1 change: 1 addition & 0 deletions llvm/lib/Target/AMDGPU/AMDGPU.td
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Original file line number Diff line number Diff line change
Expand Up @@ -1505,6 +1505,7 @@ def FeatureISAVersion12 : FeatureSet<
FeatureFlatAtomicFaddF32Inst,
FeatureImageInsts,
FeatureExtendedImageInsts,
FeatureFP8ConversionInsts,
FeaturePackedTID,
FeatureVcmpxPermlaneHazard,
FeatureSALUFloatInsts,
Expand Down
48 changes: 46 additions & 2 deletions llvm/lib/Target/AMDGPU/AsmParser/AMDGPUAsmParser.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -3499,6 +3499,9 @@ bool AMDGPUAsmParser::usesConstantBus(const MCInst &Inst, unsigned OpIdx) {
return !isInlineConstant(Inst, OpIdx);
} else if (MO.isReg()) {
auto Reg = MO.getReg();
if (!Reg) {
return false;
}
const MCRegisterInfo *TRI = getContext().getRegisterInfo();
auto PReg = mc2PseudoReg(Reg);
return isSGPR(PReg, TRI) && PReg != SGPR_NULL;
Expand Down Expand Up @@ -8302,12 +8305,20 @@ void AMDGPUAsmParser::cvtVOP3P(MCInst &Inst, const OperandVector &Operands,
const bool IsPacked = (Desc.TSFlags & SIInstrFlags::IsPacked) != 0;

if (Opc == AMDGPU::V_CVT_SR_BF8_F32_vi ||
Opc == AMDGPU::V_CVT_SR_FP8_F32_vi) {
Opc == AMDGPU::V_CVT_SR_FP8_F32_vi ||
Opc == AMDGPU::V_CVT_SR_BF8_F32_e64_gfx12 ||
Opc == AMDGPU::V_CVT_SR_FP8_F32_e64_gfx12) {
Inst.addOperand(MCOperand::createImm(0)); // Placeholder for src2_mods
Inst.addOperand(Inst.getOperand(0));
}

if (AMDGPU::hasNamedOperand(Opc, AMDGPU::OpName::vdst_in)) {
// Adding vdst_in operand is already covered for these DPP instructions in
// cvtVOP3DPP.
if (AMDGPU::hasNamedOperand(Opc, AMDGPU::OpName::vdst_in) &&
!(Opc == AMDGPU::V_CVT_PK_BF8_F32_e64_dpp_gfx12 ||
Opc == AMDGPU::V_CVT_PK_FP8_F32_e64_dpp_gfx12 ||
Opc == AMDGPU::V_CVT_PK_BF8_F32_e64_dpp8_gfx12 ||
Opc == AMDGPU::V_CVT_PK_FP8_F32_e64_dpp8_gfx12)) {
assert(!IsPacked);
Inst.addOperand(Inst.getOperand(0));
}
Expand Down Expand Up @@ -8769,6 +8780,22 @@ void AMDGPUAsmParser::cvtVOP3DPP(MCInst &Inst, const OperandVector &Operands,
}
}

int VdstInIdx = AMDGPU::getNamedOperandIdx(Opc, AMDGPU::OpName::vdst_in);
if (VdstInIdx == static_cast<int>(Inst.getNumOperands())) {
Inst.addOperand(Inst.getOperand(0));
}

bool IsVOP3CvtSrDpp = Opc == AMDGPU::V_CVT_SR_BF8_F32_e64_dpp8_gfx12 ||
Opc == AMDGPU::V_CVT_SR_FP8_F32_e64_dpp8_gfx12 ||
Opc == AMDGPU::V_CVT_SR_BF8_F32_e64_dpp_gfx12 ||
Opc == AMDGPU::V_CVT_SR_FP8_F32_e64_dpp_gfx12;
Comment on lines +8789 to +8792
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I don't want to hold this up for the release, but I do think this needs to be revisited. We should really avoid having more random lists of opcodes

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Thanks, I will prepare different PRs to cover this and what Joe pointed out.

if (IsVOP3CvtSrDpp) {
if (Src2ModIdx == static_cast<int>(Inst.getNumOperands())) {
Inst.addOperand(MCOperand::createImm(0));
Inst.addOperand(MCOperand::createReg(0));
}
}

auto TiedTo = Desc.getOperandConstraint(Inst.getNumOperands(),
MCOI::TIED_TO);
if (TiedTo != -1) {
Expand Down Expand Up @@ -8828,6 +8855,7 @@ void AMDGPUAsmParser::cvtDPP(MCInst &Inst, const OperandVector &Operands, bool I
OptionalImmIndexMap OptionalIdx;

unsigned I = 1;
const unsigned Opc = Inst.getOpcode();
const MCInstrDesc &Desc = MII.get(Inst.getOpcode());
for (unsigned J = 0; J < Desc.getNumDefs(); ++J) {
((AMDGPUOperand &)*Operands[I++]).addRegOperands(Inst, 1);
Expand Down Expand Up @@ -8855,6 +8883,14 @@ void AMDGPUAsmParser::cvtDPP(MCInst &Inst, const OperandVector &Operands, bool I
Op.addImmOperands(Inst, 1);
} else if (isRegOrImmWithInputMods(Desc, Inst.getNumOperands())) {
Op.addRegWithFPInputModsOperands(Inst, 2);
if (Opc == AMDGPU::V_CVT_F32_BF8_dpp_gfx12 ||
Opc == AMDGPU::V_CVT_F32_FP8_dpp_gfx12 ||
Opc == AMDGPU::V_CVT_F32_BF8_dpp8_gfx12 ||
Opc == AMDGPU::V_CVT_F32_FP8_dpp8_gfx12) {
// Add dummy src1
Inst.addOperand(MCOperand::createImm(0));
Inst.addOperand(MCOperand::createReg(0));
}
} else if (Op.isDppFI()) {
Fi = Op.getImm();
} else if (Op.isReg()) {
Expand All @@ -8865,6 +8901,14 @@ void AMDGPUAsmParser::cvtDPP(MCInst &Inst, const OperandVector &Operands, bool I
} else {
if (isRegOrImmWithInputMods(Desc, Inst.getNumOperands())) {
Op.addRegWithFPInputModsOperands(Inst, 2);
if (Opc == AMDGPU::V_CVT_F32_BF8_dpp_gfx12 ||
Opc == AMDGPU::V_CVT_F32_FP8_dpp_gfx12 ||
Opc == AMDGPU::V_CVT_F32_BF8_dpp8_gfx12 ||
Opc == AMDGPU::V_CVT_F32_FP8_dpp8_gfx12) {
// Add dummy src1
Inst.addOperand(MCOperand::createImm(0));
Inst.addOperand(MCOperand::createReg(0));
}
} else if (Op.isReg()) {
Op.addRegOperands(Inst, 1);
} else if (Op.isDPPCtrl()) {
Expand Down
50 changes: 49 additions & 1 deletion llvm/lib/Target/AMDGPU/Disassembler/AMDGPUDisassembler.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -522,6 +522,15 @@ DecodeStatus AMDGPUDisassembler::getInstruction(MCInst &MI, uint64_t &Size,
convertVOPCDPPInst(MI); // Special VOP3 case
} else {
assert(MCII->get(MI.getOpcode()).TSFlags & SIInstrFlags::VOP3);

if (AMDGPU::isCvt_F32_Fp8_Bf8_e64(MI.getOpcode())) {
// Add omod and clamp modifiers.
insertNamedMCOperand(MI, MCOperand::createImm(0),
AMDGPU::OpName::omod);
insertNamedMCOperand(MI, MCOperand::createImm(0),
AMDGPU::OpName::clamp);
}

convertVOP3DPPInst(MI); // Regular VOP3 case
}
};
Expand Down Expand Up @@ -695,8 +704,15 @@ DecodeStatus AMDGPUDisassembler::getInstruction(MCInst &MI, uint64_t &Size,

Res = tryDecodeInst(DecoderTableGFX1264, DecoderTableGFX12_FAKE1664, MI, QW,
Address, CS);
if (Res)
if (Res) {
if (AMDGPU::isCvt_F32_Fp8_Bf8_e64(MI.getOpcode())) {
// Add omod and clamp modifiers.
insertNamedMCOperand(MI, MCOperand::createImm(0), AMDGPU::OpName::omod);
insertNamedMCOperand(MI, MCOperand::createImm(0),
AMDGPU::OpName::clamp);
}
break;
}

Res = tryDecodeInst(DecoderTableGFX1164, DecoderTableGFX11_FAKE1664, MI, QW,
Address, CS);
Expand All @@ -712,6 +728,13 @@ DecodeStatus AMDGPUDisassembler::getInstruction(MCInst &MI, uint64_t &Size,
AMDGPU::OpName::src2_modifiers);
}

if (Res && (MI.getOpcode() == AMDGPU::V_CVT_SR_BF8_F32_e64_dpp ||
MI.getOpcode() == AMDGPU::V_CVT_SR_FP8_F32_e64_dpp)) {
// Insert dummy unused src2_modifiers.
insertNamedMCOperand(MI, MCOperand::createImm(0),
AMDGPU::OpName::src2_modifiers);
}

if (Res && (MCII->get(MI.getOpcode()).TSFlags & SIInstrFlags::DS) &&
!AMDGPU::hasGDS(STI)) {
insertNamedMCOperand(MI, MCOperand::createImm(0), AMDGPU::OpName::gds);
Expand Down Expand Up @@ -942,6 +965,13 @@ void AMDGPUDisassembler::convertMacDPPInst(MCInst &MI) const {
// first add optional MI operands to check FI
DecodeStatus AMDGPUDisassembler::convertDPP8Inst(MCInst &MI) const {
unsigned Opc = MI.getOpcode();

if (AMDGPU::isCvt_F32_Fp8_Bf8_e64(Opc)) {
// Add omod and clamp modifiers.
insertNamedMCOperand(MI, MCOperand::createImm(0), AMDGPU::OpName::omod);
insertNamedMCOperand(MI, MCOperand::createImm(0), AMDGPU::OpName::clamp);
}

if (MCII->get(Opc).TSFlags & SIInstrFlags::VOP3P) {
convertVOP3PDPPInst(MI);
} else if ((MCII->get(Opc).TSFlags & SIInstrFlags::VOPC) ||
Expand All @@ -951,6 +981,15 @@ DecodeStatus AMDGPUDisassembler::convertDPP8Inst(MCInst &MI) const {
if (isMacDPP(MI))
convertMacDPPInst(MI);

int VDstInIdx =
AMDGPU::getNamedOperandIdx(MI.getOpcode(), AMDGPU::OpName::vdst_in);
if (VDstInIdx != -1)
insertNamedMCOperand(MI, MI.getOperand(0), AMDGPU::OpName::vdst_in);

if (MI.getOpcode() == AMDGPU::V_CVT_SR_BF8_F32_e64_dpp8_gfx12 ||
MI.getOpcode() == AMDGPU::V_CVT_SR_FP8_F32_e64_dpp8_gfx12)
insertNamedMCOperand(MI, MI.getOperand(0), AMDGPU::OpName::src2);

unsigned DescNumOps = MCII->get(Opc).getNumOperands();
if (MI.getNumOperands() < DescNumOps &&
AMDGPU::hasNamedOperand(Opc, AMDGPU::OpName::op_sel)) {
Expand All @@ -977,6 +1016,15 @@ DecodeStatus AMDGPUDisassembler::convertVOP3DPPInst(MCInst &MI) const {
if (isMacDPP(MI))
convertMacDPPInst(MI);

int VDstInIdx =
AMDGPU::getNamedOperandIdx(MI.getOpcode(), AMDGPU::OpName::vdst_in);
if (VDstInIdx != -1)
insertNamedMCOperand(MI, MI.getOperand(0), AMDGPU::OpName::vdst_in);

if (MI.getOpcode() == AMDGPU::V_CVT_SR_BF8_F32_e64_dpp_gfx12 ||
MI.getOpcode() == AMDGPU::V_CVT_SR_FP8_F32_e64_dpp_gfx12)
insertNamedMCOperand(MI, MI.getOperand(0), AMDGPU::OpName::src2);

unsigned Opc = MI.getOpcode();
unsigned DescNumOps = MCII->get(Opc).getNumOperands();
if (MI.getNumOperands() < DescNumOps &&
Expand Down
10 changes: 10 additions & 0 deletions llvm/lib/Target/AMDGPU/MCTargetDesc/AMDGPUInstPrinter.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1305,6 +1305,16 @@ void AMDGPUInstPrinter::printOpSel(const MCInst *MI, unsigned,
const MCSubtargetInfo &STI,
raw_ostream &O) {
unsigned Opc = MI->getOpcode();
if (isCvt_F32_Fp8_Bf8_e64(Opc)) {
auto SrcMod =
AMDGPU::getNamedOperandIdx(Opc, AMDGPU::OpName::src0_modifiers);
unsigned Mod = MI->getOperand(SrcMod).getImm();
unsigned Index0 = !!(Mod & SISrcMods::OP_SEL_0);
unsigned Index1 = !!(Mod & SISrcMods::OP_SEL_1);
if (Index0 || Index1)
O << " op_sel:[" << Index0 << ',' << Index1 << ']';
return;
}
if (isPermlane16(Opc)) {
auto FIN = AMDGPU::getNamedOperandIdx(Opc, AMDGPU::OpName::src0_modifiers);
auto BCN = AMDGPU::getNamedOperandIdx(Opc, AMDGPU::OpName::src1_modifiers);
Expand Down
2 changes: 2 additions & 0 deletions llvm/lib/Target/AMDGPU/SIInstrInfo.td
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Original file line number Diff line number Diff line change
Expand Up @@ -2282,6 +2282,8 @@ class VOPProfile <list<ValueType> _ArgVT, bit _EnableClamp = 0> {
field bit IsSingle = 0;
field bit IsWMMA = 0;

field bit IsFP8 = 0;

field bit HasDst = !ne(DstVT.Value, untyped.Value);
field bit HasDst32 = HasDst;
field bit EmitDst = HasDst; // force dst encoding, see v_movreld_b32 special case
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11 changes: 11 additions & 0 deletions llvm/lib/Target/AMDGPU/Utils/AMDGPUBaseInfo.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -529,6 +529,17 @@ bool isPermlane16(unsigned Opc) {
Opc == AMDGPU::V_PERMLANEX16_VAR_B32_e64_gfx12;
}

bool isCvt_F32_Fp8_Bf8_e64(unsigned Opc) {
return Opc == AMDGPU::V_CVT_F32_BF8_e64_gfx12 ||
Opc == AMDGPU::V_CVT_F32_FP8_e64_gfx12 ||
Opc == AMDGPU::V_CVT_F32_BF8_e64_dpp_gfx12 ||
Opc == AMDGPU::V_CVT_F32_FP8_e64_dpp_gfx12 ||
Opc == AMDGPU::V_CVT_F32_BF8_e64_dpp8_gfx12 ||
Opc == AMDGPU::V_CVT_F32_FP8_e64_dpp8_gfx12 ||
Opc == AMDGPU::V_CVT_PK_F32_BF8_e64_gfx12 ||
Opc == AMDGPU::V_CVT_PK_F32_FP8_e64_gfx12;
}

bool isGenericAtomic(unsigned Opc) {
return Opc == AMDGPU::G_AMDGPU_ATOMIC_FMIN ||
Opc == AMDGPU::G_AMDGPU_ATOMIC_FMAX ||
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3 changes: 3 additions & 0 deletions llvm/lib/Target/AMDGPU/Utils/AMDGPUBaseInfo.h
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Expand Up @@ -535,6 +535,9 @@ bool isPermlane16(unsigned Opc);
LLVM_READNONE
bool isGenericAtomic(unsigned Opc);

LLVM_READNONE
bool isCvt_F32_Fp8_Bf8_e64(unsigned Opc);

namespace VOPD {

enum Component : unsigned {
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