From 792cac281026598177be4cfef4de506110a99c19 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Mirko=20Brku=C5=A1anin?= Date: Wed, 24 Jan 2024 13:43:07 +0100 Subject: [PATCH] [AMDGPU] Add GFX12 WMMA and SWMMAC instructions (#77795) Co-authored-by: Petar Avramovic Co-authored-by: Piotr Sobczak --- clang/include/clang/Basic/BuiltinsAMDGPU.def | 62 ++++++++++++++++++++ llvm/lib/Target/AMDGPU/SIInstrInfo.h | 8 +++ 2 files changed, 70 insertions(+) diff --git a/clang/include/clang/Basic/BuiltinsAMDGPU.def b/clang/include/clang/Basic/BuiltinsAMDGPU.def index c02970f55b22e1..006497449351c0 100644 --- a/clang/include/clang/Basic/BuiltinsAMDGPU.def +++ b/clang/include/clang/Basic/BuiltinsAMDGPU.def @@ -522,5 +522,67 @@ TARGET_BUILTIN(__builtin_amdgcn_swmmac_f32_16x16x32_fp8_bf8_w64, "V4fiV2iV4fs", TARGET_BUILTIN(__builtin_amdgcn_swmmac_f32_16x16x32_bf8_fp8_w64, "V4fiV2iV4fs", "nc", "gfx12-insts,wavefrontsize64") TARGET_BUILTIN(__builtin_amdgcn_swmmac_f32_16x16x32_bf8_bf8_w64, "V4fiV2iV4fs", "nc", "gfx12-insts,wavefrontsize64") +//===----------------------------------------------------------------------===// +// WMMA builtins. +// Postfix w32 indicates the builtin requires wavefront size of 32. +// Postfix w64 indicates the builtin requires wavefront size of 64. +// +// Some of these are very similar to their GFX11 counterparts, but they don't +// require replication of the A,B matrices, so they use fewer vector elements. +// Therefore, we add an "_gfx12" suffix to distinguish them from the existing +// builtins. +//===----------------------------------------------------------------------===// +TARGET_BUILTIN(__builtin_amdgcn_wmma_f32_16x16x16_f16_w32_gfx12, "V8fV8hV8hV8f", "nc", "gfx12-insts,wavefrontsize32") +TARGET_BUILTIN(__builtin_amdgcn_wmma_f32_16x16x16_bf16_w32_gfx12, "V8fV8sV8sV8f", "nc", "gfx12-insts,wavefrontsize32") +TARGET_BUILTIN(__builtin_amdgcn_wmma_f16_16x16x16_f16_w32_gfx12, "V8hV8hV8hV8h", "nc", "gfx12-insts,wavefrontsize32") +TARGET_BUILTIN(__builtin_amdgcn_wmma_bf16_16x16x16_bf16_w32_gfx12, "V8sV8sV8sV8s", "nc", "gfx12-insts,wavefrontsize32") +TARGET_BUILTIN(__builtin_amdgcn_wmma_i32_16x16x16_iu8_w32_gfx12, "V8iIbV2iIbV2iV8iIb", "nc", "gfx12-insts,wavefrontsize32") +TARGET_BUILTIN(__builtin_amdgcn_wmma_i32_16x16x16_iu4_w32_gfx12, "V8iIbiIbiV8iIb", "nc", "gfx12-insts,wavefrontsize32") +// These are gfx12-only, but for consistency with the other WMMA variants we're +// keeping the "_gfx12" suffix. +TARGET_BUILTIN(__builtin_amdgcn_wmma_f32_16x16x16_fp8_fp8_w32_gfx12, "V8fV2iV2iV8f", "nc", "gfx12-insts,wavefrontsize32") +TARGET_BUILTIN(__builtin_amdgcn_wmma_f32_16x16x16_fp8_bf8_w32_gfx12, "V8fV2iV2iV8f", "nc", "gfx12-insts,wavefrontsize32") +TARGET_BUILTIN(__builtin_amdgcn_wmma_f32_16x16x16_bf8_fp8_w32_gfx12, "V8fV2iV2iV8f", "nc", "gfx12-insts,wavefrontsize32") +TARGET_BUILTIN(__builtin_amdgcn_wmma_f32_16x16x16_bf8_bf8_w32_gfx12, "V8fV2iV2iV8f", "nc", "gfx12-insts,wavefrontsize32") +TARGET_BUILTIN(__builtin_amdgcn_wmma_i32_16x16x32_iu4_w32_gfx12, "V8iIbV2iIbV2iV8iIb", "nc", "gfx12-insts,wavefrontsize32") + +TARGET_BUILTIN(__builtin_amdgcn_wmma_f32_16x16x16_f16_w64_gfx12, "V4fV4hV4hV4f", "nc", "gfx12-insts,wavefrontsize64") +TARGET_BUILTIN(__builtin_amdgcn_wmma_f32_16x16x16_bf16_w64_gfx12, "V4fV4sV4sV4f", "nc", "gfx12-insts,wavefrontsize64") +TARGET_BUILTIN(__builtin_amdgcn_wmma_f16_16x16x16_f16_w64_gfx12, "V4hV4hV4hV4h", "nc", "gfx12-insts,wavefrontsize64") +TARGET_BUILTIN(__builtin_amdgcn_wmma_bf16_16x16x16_bf16_w64_gfx12, "V4sV4sV4sV4s", "nc", "gfx12-insts,wavefrontsize64") +TARGET_BUILTIN(__builtin_amdgcn_wmma_i32_16x16x16_iu8_w64_gfx12, "V4iIbiIbiV4iIb", "nc", "gfx12-insts,wavefrontsize64") +TARGET_BUILTIN(__builtin_amdgcn_wmma_i32_16x16x16_iu4_w64_gfx12, "V4iIbiIbiV4iIb", "nc", "gfx12-insts,wavefrontsize64") +// These are gfx12-only, but for consistency with the other WMMA variants we're +// keeping the "_gfx12" suffix. +TARGET_BUILTIN(__builtin_amdgcn_wmma_f32_16x16x16_fp8_fp8_w64_gfx12, "V4fiiV4f", "nc", "gfx12-insts,wavefrontsize64") +TARGET_BUILTIN(__builtin_amdgcn_wmma_f32_16x16x16_fp8_bf8_w64_gfx12, "V4fiiV4f", "nc", "gfx12-insts,wavefrontsize64") +TARGET_BUILTIN(__builtin_amdgcn_wmma_f32_16x16x16_bf8_fp8_w64_gfx12, "V4fiiV4f", "nc", "gfx12-insts,wavefrontsize64") +TARGET_BUILTIN(__builtin_amdgcn_wmma_f32_16x16x16_bf8_bf8_w64_gfx12, "V4fiiV4f", "nc", "gfx12-insts,wavefrontsize64") +TARGET_BUILTIN(__builtin_amdgcn_wmma_i32_16x16x32_iu4_w64_gfx12, "V4iIbiIbiV4iIb", "nc", "gfx12-insts,wavefrontsize64") + +TARGET_BUILTIN(__builtin_amdgcn_swmmac_f32_16x16x32_f16_w32, "V8fV8hV16hV8fs", "nc", "gfx12-insts,wavefrontsize32") +TARGET_BUILTIN(__builtin_amdgcn_swmmac_f32_16x16x32_bf16_w32, "V8fV8sV16sV8fs", "nc", "gfx12-insts,wavefrontsize32") +TARGET_BUILTIN(__builtin_amdgcn_swmmac_f16_16x16x32_f16_w32, "V8hV8hV16hV8hs", "nc", "gfx12-insts,wavefrontsize32") +TARGET_BUILTIN(__builtin_amdgcn_swmmac_bf16_16x16x32_bf16_w32, "V8sV8sV16sV8ss", "nc", "gfx12-insts,wavefrontsize32") +TARGET_BUILTIN(__builtin_amdgcn_swmmac_i32_16x16x32_iu8_w32, "V8iIbV2iIbV4iV8isIb", "nc", "gfx12-insts,wavefrontsize32") +TARGET_BUILTIN(__builtin_amdgcn_swmmac_i32_16x16x32_iu4_w32, "V8iIbiIbV2iV8isIb", "nc", "gfx12-insts,wavefrontsize32") +TARGET_BUILTIN(__builtin_amdgcn_swmmac_i32_16x16x64_iu4_w32, "V8iIbV2iIbV4iV8isIb", "nc", "gfx12-insts,wavefrontsize32") +TARGET_BUILTIN(__builtin_amdgcn_swmmac_f32_16x16x32_fp8_fp8_w32, "V8fV2iV4iV8fs", "nc", "gfx12-insts,wavefrontsize32") +TARGET_BUILTIN(__builtin_amdgcn_swmmac_f32_16x16x32_fp8_bf8_w32, "V8fV2iV4iV8fs", "nc", "gfx12-insts,wavefrontsize32") +TARGET_BUILTIN(__builtin_amdgcn_swmmac_f32_16x16x32_bf8_fp8_w32, "V8fV2iV4iV8fs", "nc", "gfx12-insts,wavefrontsize32") +TARGET_BUILTIN(__builtin_amdgcn_swmmac_f32_16x16x32_bf8_bf8_w32, "V8fV2iV4iV8fs", "nc", "gfx12-insts,wavefrontsize32") + +TARGET_BUILTIN(__builtin_amdgcn_swmmac_f32_16x16x32_f16_w64, "V4fV4hV8hV4fs", "nc", "gfx12-insts,wavefrontsize64") +TARGET_BUILTIN(__builtin_amdgcn_swmmac_f32_16x16x32_bf16_w64, "V4fV4sV8sV4fs", "nc", "gfx12-insts,wavefrontsize64") +TARGET_BUILTIN(__builtin_amdgcn_swmmac_f16_16x16x32_f16_w64, "V4hV4hV8hV4hs", "nc", "gfx12-insts,wavefrontsize64") +TARGET_BUILTIN(__builtin_amdgcn_swmmac_bf16_16x16x32_bf16_w64, "V4sV4sV8sV4ss", "nc", "gfx12-insts,wavefrontsize64") +TARGET_BUILTIN(__builtin_amdgcn_swmmac_i32_16x16x32_iu8_w64, "V4iIbiIbV2iV4isIb", "nc", "gfx12-insts,wavefrontsize64") +TARGET_BUILTIN(__builtin_amdgcn_swmmac_i32_16x16x32_iu4_w64, "V4iIbiIbiV4isIb", "nc", "gfx12-insts,wavefrontsize64") +TARGET_BUILTIN(__builtin_amdgcn_swmmac_i32_16x16x64_iu4_w64, "V4iIbiIbV2iV4isIb", "nc", "gfx12-insts,wavefrontsize64") +TARGET_BUILTIN(__builtin_amdgcn_swmmac_f32_16x16x32_fp8_fp8_w64, "V4fiV2iV4fs", "nc", "gfx12-insts,wavefrontsize64") +TARGET_BUILTIN(__builtin_amdgcn_swmmac_f32_16x16x32_fp8_bf8_w64, "V4fiV2iV4fs", "nc", "gfx12-insts,wavefrontsize64") +TARGET_BUILTIN(__builtin_amdgcn_swmmac_f32_16x16x32_bf8_fp8_w64, "V4fiV2iV4fs", "nc", "gfx12-insts,wavefrontsize64") +TARGET_BUILTIN(__builtin_amdgcn_swmmac_f32_16x16x32_bf8_bf8_w64, "V4fiV2iV4fs", "nc", "gfx12-insts,wavefrontsize64") + #undef BUILTIN #undef TARGET_BUILTIN diff --git a/llvm/lib/Target/AMDGPU/SIInstrInfo.h b/llvm/lib/Target/AMDGPU/SIInstrInfo.h index 71432510fdee4f..001d6cc6fa248d 100644 --- a/llvm/lib/Target/AMDGPU/SIInstrInfo.h +++ b/llvm/lib/Target/AMDGPU/SIInstrInfo.h @@ -827,6 +827,14 @@ class SIInstrInfo final : public AMDGPUGenInstrInfo { return get(Opcode).TSFlags & SIInstrFlags::IsSWMMAC; } + static bool isSWMMAC(const MachineInstr &MI) { + return MI.getDesc().TSFlags & SIInstrFlags::IsSWMMAC; + } + + bool isSWMMAC(uint16_t Opcode) const { + return get(Opcode).TSFlags & SIInstrFlags::IsSWMMAC; + } + bool isDOT(uint16_t Opcode) const { return get(Opcode).TSFlags & SIInstrFlags::IsDOT; }