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804 lines
23 KiB
TableGen
804 lines
23 KiB
TableGen
//===-- AMDGPU.td - AMDGPU Tablegen files --------*- tablegen -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===------------------------------------------------------------===//
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include "llvm/Target/Target.td"
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//===------------------------------------------------------------===//
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// Subtarget Features (device properties)
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//===------------------------------------------------------------===//
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def FeatureFP64 : SubtargetFeature<"fp64",
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"FP64",
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"true",
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"Enable double precision operations"
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>;
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def FeatureFMA : SubtargetFeature<"fmaf",
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"FMA",
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"true",
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"Enable single precision FMA (not as fast as mul+add, but fused)"
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>;
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def FeatureFastFMAF32 : SubtargetFeature<"fast-fmaf",
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"FastFMAF32",
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"true",
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"Assuming f32 fma is at least as fast as mul + add"
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>;
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def FeatureMIMG_R128 : SubtargetFeature<"mimg-r128",
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"MIMG_R128",
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"true",
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"Support 128-bit texture resources"
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>;
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def HalfRate64Ops : SubtargetFeature<"half-rate-64-ops",
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"HalfRate64Ops",
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"true",
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"Most fp64 instructions are half rate instead of quarter"
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>;
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def FeatureR600ALUInst : SubtargetFeature<"R600ALUInst",
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"R600ALUInst",
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"false",
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"Older version of ALU instructions encoding"
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>;
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def FeatureVertexCache : SubtargetFeature<"HasVertexCache",
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"HasVertexCache",
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"true",
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"Specify use of dedicated vertex cache"
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>;
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def FeatureCaymanISA : SubtargetFeature<"caymanISA",
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"CaymanISA",
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"true",
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"Use Cayman ISA"
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>;
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def FeatureCFALUBug : SubtargetFeature<"cfalubug",
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"CFALUBug",
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"true",
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"GPU has CF_ALU bug"
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>;
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def FeatureFlatAddressSpace : SubtargetFeature<"flat-address-space",
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"FlatAddressSpace",
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"true",
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"Support flat address space"
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>;
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def FeatureFlatInstOffsets : SubtargetFeature<"flat-inst-offsets",
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"FlatInstOffsets",
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"true",
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"Flat instructions have immediate offset addressing mode"
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>;
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def FeatureFlatGlobalInsts : SubtargetFeature<"flat-global-insts",
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"FlatGlobalInsts",
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"true",
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"Have global_* flat memory instructions"
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>;
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def FeatureFlatScratchInsts : SubtargetFeature<"flat-scratch-insts",
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"FlatScratchInsts",
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"true",
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"Have scratch_* flat memory instructions"
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>;
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def FeatureAddNoCarryInsts : SubtargetFeature<"add-no-carry-insts",
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"AddNoCarryInsts",
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"true",
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"Have VALU add/sub instructions without carry out"
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>;
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def FeatureUnalignedBufferAccess : SubtargetFeature<"unaligned-buffer-access",
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"UnalignedBufferAccess",
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"true",
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"Support unaligned global loads and stores"
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>;
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def FeatureTrapHandler: SubtargetFeature<"trap-handler",
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"TrapHandler",
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"true",
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"Trap handler support"
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>;
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def FeatureUnalignedScratchAccess : SubtargetFeature<"unaligned-scratch-access",
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"UnalignedScratchAccess",
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"true",
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"Support unaligned scratch loads and stores"
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>;
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def FeatureApertureRegs : SubtargetFeature<"aperture-regs",
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"HasApertureRegs",
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"true",
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"Has Memory Aperture Base and Size Registers"
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>;
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def FeatureMadMixInsts : SubtargetFeature<"mad-mix-insts",
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"HasMadMixInsts",
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"true",
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"Has v_mad_mix_f32, v_mad_mixlo_f16, v_mad_mixhi_f16 instructions"
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>;
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// XNACK is disabled if SH_MEM_CONFIG.ADDRESS_MODE = GPUVM on chips that support
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// XNACK. The current default kernel driver setting is:
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// - graphics ring: XNACK disabled
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// - compute ring: XNACK enabled
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//
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// If XNACK is enabled, the VMEM latency can be worse.
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// If XNACK is disabled, the 2 SGPRs can be used for general purposes.
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def FeatureXNACK : SubtargetFeature<"xnack",
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"EnableXNACK",
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"true",
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"Enable XNACK support"
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>;
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def FeatureSGPRInitBug : SubtargetFeature<"sgpr-init-bug",
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"SGPRInitBug",
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"true",
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"VI SGPR initialization bug requiring a fixed SGPR allocation size"
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>;
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class SubtargetFeatureFetchLimit <string Value> :
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SubtargetFeature <"fetch"#Value,
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"TexVTXClauseSize",
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Value,
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"Limit the maximum number of fetches in a clause to "#Value
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>;
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def FeatureFetchLimit8 : SubtargetFeatureFetchLimit <"8">;
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def FeatureFetchLimit16 : SubtargetFeatureFetchLimit <"16">;
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class SubtargetFeatureWavefrontSize <int Value> : SubtargetFeature<
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"wavefrontsize"#Value,
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"WavefrontSize",
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!cast<string>(Value),
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"The number of threads per wavefront"
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>;
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def FeatureWavefrontSize16 : SubtargetFeatureWavefrontSize<16>;
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def FeatureWavefrontSize32 : SubtargetFeatureWavefrontSize<32>;
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def FeatureWavefrontSize64 : SubtargetFeatureWavefrontSize<64>;
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class SubtargetFeatureLDSBankCount <int Value> : SubtargetFeature <
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"ldsbankcount"#Value,
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"LDSBankCount",
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!cast<string>(Value),
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"The number of LDS banks per compute unit."
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>;
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def FeatureLDSBankCount16 : SubtargetFeatureLDSBankCount<16>;
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def FeatureLDSBankCount32 : SubtargetFeatureLDSBankCount<32>;
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class SubtargetFeatureLocalMemorySize <int Value> : SubtargetFeature<
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"localmemorysize"#Value,
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"LocalMemorySize",
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!cast<string>(Value),
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"The size of local memory in bytes"
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>;
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def FeatureGCN : SubtargetFeature<"gcn",
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"IsGCN",
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"true",
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"GCN or newer GPU"
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>;
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def FeatureGCN3Encoding : SubtargetFeature<"gcn3-encoding",
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"GCN3Encoding",
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"true",
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"Encoding format for VI"
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>;
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def FeatureCIInsts : SubtargetFeature<"ci-insts",
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"CIInsts",
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"true",
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"Additional instructions for CI+"
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>;
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def FeatureGFX9Insts : SubtargetFeature<"gfx9-insts",
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"GFX9Insts",
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"true",
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"Additional instructions for GFX9+"
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>;
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def FeatureSMemRealTime : SubtargetFeature<"s-memrealtime",
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"HasSMemRealTime",
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"true",
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"Has s_memrealtime instruction"
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>;
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def FeatureInv2PiInlineImm : SubtargetFeature<"inv-2pi-inline-imm",
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"HasInv2PiInlineImm",
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"true",
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"Has 1 / (2 * pi) as inline immediate"
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>;
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def Feature16BitInsts : SubtargetFeature<"16-bit-insts",
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"Has16BitInsts",
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"true",
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"Has i16/f16 instructions"
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>;
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def FeatureVOP3P : SubtargetFeature<"vop3p",
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"HasVOP3PInsts",
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"true",
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"Has VOP3P packed instructions"
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>;
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def FeatureMovrel : SubtargetFeature<"movrel",
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"HasMovrel",
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"true",
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"Has v_movrel*_b32 instructions"
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>;
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def FeatureVGPRIndexMode : SubtargetFeature<"vgpr-index-mode",
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"HasVGPRIndexMode",
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"true",
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"Has VGPR mode register indexing"
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>;
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def FeatureScalarStores : SubtargetFeature<"scalar-stores",
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"HasScalarStores",
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"true",
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"Has store scalar memory instructions"
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>;
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def FeatureSDWA : SubtargetFeature<"sdwa",
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"HasSDWA",
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"true",
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"Support SDWA (Sub-DWORD Addressing) extension"
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>;
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def FeatureSDWAOmod : SubtargetFeature<"sdwa-omod",
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"HasSDWAOmod",
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"true",
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"Support OMod with SDWA (Sub-DWORD Addressing) extension"
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>;
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def FeatureSDWAScalar : SubtargetFeature<"sdwa-scalar",
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"HasSDWAScalar",
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"true",
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"Support scalar register with SDWA (Sub-DWORD Addressing) extension"
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>;
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def FeatureSDWASdst : SubtargetFeature<"sdwa-sdst",
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"HasSDWASdst",
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"true",
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"Support scalar dst for VOPC with SDWA (Sub-DWORD Addressing) extension"
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>;
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def FeatureSDWAMac : SubtargetFeature<"sdwa-mav",
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"HasSDWAMac",
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"true",
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"Support v_mac_f32/f16 with SDWA (Sub-DWORD Addressing) extension"
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>;
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def FeatureSDWAOutModsVOPC : SubtargetFeature<"sdwa-out-mods-vopc",
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"HasSDWAOutModsVOPC",
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"true",
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"Support clamp for VOPC with SDWA (Sub-DWORD Addressing) extension"
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>;
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def FeatureDPP : SubtargetFeature<"dpp",
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"HasDPP",
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"true",
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"Support DPP (Data Parallel Primitives) extension"
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>;
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def FeatureIntClamp : SubtargetFeature<"int-clamp-insts",
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"HasIntClamp",
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"true",
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"Support clamp for integer destination"
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>;
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def FeatureUnpackedD16VMem : SubtargetFeature<"unpacked-d16-vmem",
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"HasUnpackedD16VMem",
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"true",
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"Has unpacked d16 vmem instructions"
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>;
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//===------------------------------------------------------------===//
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// Subtarget Features (options and debugging)
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//===------------------------------------------------------------===//
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// Some instructions do not support denormals despite this flag. Using
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// fp32 denormals also causes instructions to run at the double
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// precision rate for the device.
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def FeatureFP32Denormals : SubtargetFeature<"fp32-denormals",
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"FP32Denormals",
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"true",
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"Enable single precision denormal handling"
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>;
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// Denormal handling for fp64 and fp16 is controlled by the same
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// config register when fp16 supported.
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// TODO: Do we need a separate f16 setting when not legal?
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def FeatureFP64FP16Denormals : SubtargetFeature<"fp64-fp16-denormals",
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"FP64FP16Denormals",
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"true",
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"Enable double and half precision denormal handling",
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[FeatureFP64]
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>;
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def FeatureFP64Denormals : SubtargetFeature<"fp64-denormals",
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"FP64FP16Denormals",
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"true",
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"Enable double and half precision denormal handling",
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[FeatureFP64, FeatureFP64FP16Denormals]
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>;
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def FeatureFP16Denormals : SubtargetFeature<"fp16-denormals",
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"FP64FP16Denormals",
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"true",
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"Enable half precision denormal handling",
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[FeatureFP64FP16Denormals]
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>;
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def FeatureDX10Clamp : SubtargetFeature<"dx10-clamp",
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"DX10Clamp",
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"true",
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"clamp modifier clamps NaNs to 0.0"
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>;
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def FeatureFPExceptions : SubtargetFeature<"fp-exceptions",
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"FPExceptions",
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"true",
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"Enable floating point exceptions"
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>;
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class FeatureMaxPrivateElementSize<int size> : SubtargetFeature<
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"max-private-element-size-"#size,
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"MaxPrivateElementSize",
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!cast<string>(size),
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"Maximum private access size may be "#size
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>;
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def FeatureMaxPrivateElementSize4 : FeatureMaxPrivateElementSize<4>;
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def FeatureMaxPrivateElementSize8 : FeatureMaxPrivateElementSize<8>;
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def FeatureMaxPrivateElementSize16 : FeatureMaxPrivateElementSize<16>;
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def FeatureEnableHugePrivateBuffer : SubtargetFeature<
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"huge-private-buffer",
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"EnableHugePrivateBuffer",
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"true",
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"Enable private/scratch buffer sizes greater than 128 GB"
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>;
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def FeatureVGPRSpilling : SubtargetFeature<"vgpr-spilling",
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"EnableVGPRSpilling",
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"true",
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"Enable spilling of VGPRs to scratch memory"
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>;
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def FeatureDumpCode : SubtargetFeature <"DumpCode",
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"DumpCode",
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"true",
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"Dump MachineInstrs in the CodeEmitter"
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>;
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def FeatureDumpCodeLower : SubtargetFeature <"dumpcode",
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"DumpCode",
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"true",
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"Dump MachineInstrs in the CodeEmitter"
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>;
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def FeaturePromoteAlloca : SubtargetFeature <"promote-alloca",
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"EnablePromoteAlloca",
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"true",
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"Enable promote alloca pass"
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>;
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// XXX - This should probably be removed once enabled by default
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def FeatureEnableLoadStoreOpt : SubtargetFeature <"load-store-opt",
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"EnableLoadStoreOpt",
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"true",
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"Enable SI load/store optimizer pass"
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>;
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// Performance debugging feature. Allow using DS instruction immediate
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// offsets even if the base pointer can't be proven to be base. On SI,
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// base pointer values that won't give the same result as a 16-bit add
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// are not safe to fold, but this will override the conservative test
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// for the base pointer.
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def FeatureEnableUnsafeDSOffsetFolding : SubtargetFeature <
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"unsafe-ds-offset-folding",
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"EnableUnsafeDSOffsetFolding",
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"true",
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"Force using DS instruction immediate offsets on SI"
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>;
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def FeatureEnableSIScheduler : SubtargetFeature<"si-scheduler",
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"EnableSIScheduler",
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"true",
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"Enable SI Machine Scheduler"
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>;
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// Unless +-flat-for-global is specified, turn on FlatForGlobal for
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// all OS-es on VI and newer hardware to avoid assertion failures due
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// to missing ADDR64 variants of MUBUF instructions.
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// FIXME: moveToVALU should be able to handle converting addr64 MUBUF
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// instructions.
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def FeatureFlatForGlobal : SubtargetFeature<"flat-for-global",
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"FlatForGlobal",
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"true",
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"Force to generate flat instruction for global"
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>;
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def FeatureAutoWaitcntBeforeBarrier : SubtargetFeature <
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"auto-waitcnt-before-barrier",
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"AutoWaitcntBeforeBarrier",
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"true",
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"Hardware automatically inserts waitcnt before barrier"
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>;
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def FeatureCodeObjectV3 : SubtargetFeature <
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"code-object-v3",
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"CodeObjectV3",
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"true",
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"Generate code object version 3"
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>;
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// Dummy feature used to disable assembler instructions.
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def FeatureDisable : SubtargetFeature<"",
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"FeatureDisable","true",
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"Dummy feature to disable assembler instructions"
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>;
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class SubtargetFeatureGeneration <string Value,
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list<SubtargetFeature> Implies> :
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SubtargetFeature <Value, "Gen", "AMDGPUSubtarget::"#Value,
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Value#" GPU generation", Implies>;
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def FeatureLocalMemorySize0 : SubtargetFeatureLocalMemorySize<0>;
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def FeatureLocalMemorySize32768 : SubtargetFeatureLocalMemorySize<32768>;
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def FeatureLocalMemorySize65536 : SubtargetFeatureLocalMemorySize<65536>;
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def FeatureR600 : SubtargetFeatureGeneration<"R600",
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[FeatureR600ALUInst, FeatureFetchLimit8, FeatureLocalMemorySize0]
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>;
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def FeatureR700 : SubtargetFeatureGeneration<"R700",
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[FeatureFetchLimit16, FeatureLocalMemorySize0]
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>;
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def FeatureEvergreen : SubtargetFeatureGeneration<"EVERGREEN",
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[FeatureFetchLimit16, FeatureLocalMemorySize32768]
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>;
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def FeatureNorthernIslands : SubtargetFeatureGeneration<"NORTHERN_ISLANDS",
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[FeatureFetchLimit16, FeatureWavefrontSize64,
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FeatureLocalMemorySize32768]
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>;
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def FeatureSouthernIslands : SubtargetFeatureGeneration<"SOUTHERN_ISLANDS",
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[FeatureFP64, FeatureLocalMemorySize32768, FeatureMIMG_R128,
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FeatureWavefrontSize64, FeatureGCN,
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FeatureLDSBankCount32, FeatureMovrel]
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>;
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def FeatureSeaIslands : SubtargetFeatureGeneration<"SEA_ISLANDS",
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[FeatureFP64, FeatureLocalMemorySize65536, FeatureMIMG_R128,
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FeatureWavefrontSize64, FeatureGCN, FeatureFlatAddressSpace,
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FeatureCIInsts, FeatureMovrel]
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>;
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def FeatureVolcanicIslands : SubtargetFeatureGeneration<"VOLCANIC_ISLANDS",
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[FeatureFP64, FeatureLocalMemorySize65536, FeatureMIMG_R128,
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FeatureWavefrontSize64, FeatureFlatAddressSpace, FeatureGCN,
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FeatureGCN3Encoding, FeatureCIInsts, Feature16BitInsts,
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FeatureSMemRealTime, FeatureVGPRIndexMode, FeatureMovrel,
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FeatureScalarStores, FeatureInv2PiInlineImm,
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FeatureSDWA, FeatureSDWAOutModsVOPC, FeatureSDWAMac, FeatureDPP,
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FeatureIntClamp
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]
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>;
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def FeatureGFX9 : SubtargetFeatureGeneration<"GFX9",
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[FeatureFP64, FeatureLocalMemorySize65536,
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FeatureWavefrontSize64, FeatureFlatAddressSpace, FeatureGCN,
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FeatureGCN3Encoding, FeatureCIInsts, Feature16BitInsts,
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FeatureSMemRealTime, FeatureScalarStores, FeatureInv2PiInlineImm,
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FeatureApertureRegs, FeatureGFX9Insts, FeatureVOP3P, FeatureVGPRIndexMode,
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FeatureFastFMAF32, FeatureDPP, FeatureIntClamp,
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FeatureSDWA, FeatureSDWAOmod, FeatureSDWAScalar, FeatureSDWASdst,
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FeatureFlatInstOffsets, FeatureFlatGlobalInsts, FeatureFlatScratchInsts,
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FeatureAddNoCarryInsts
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]
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>;
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class SubtargetFeatureISAVersion <int Major, int Minor, int Stepping,
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list<SubtargetFeature> Implies>
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: SubtargetFeature <
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"isaver"#Major#"."#Minor#"."#Stepping,
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"IsaVersion",
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"ISAVersion"#Major#"_"#Minor#"_"#Stepping,
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"Instruction set version number",
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Implies
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>;
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def FeatureISAVersion6_0_0 : SubtargetFeatureISAVersion <6,0,0,
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[FeatureSouthernIslands,
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FeatureFastFMAF32,
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HalfRate64Ops,
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FeatureLDSBankCount32]>;
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def FeatureISAVersion6_0_1 : SubtargetFeatureISAVersion <6,0,1,
|
|
[FeatureSouthernIslands,
|
|
FeatureLDSBankCount32]>;
|
|
|
|
def FeatureISAVersion7_0_0 : SubtargetFeatureISAVersion <7,0,0,
|
|
[FeatureSeaIslands,
|
|
FeatureLDSBankCount32]>;
|
|
|
|
def FeatureISAVersion7_0_1 : SubtargetFeatureISAVersion <7,0,1,
|
|
[FeatureSeaIslands,
|
|
HalfRate64Ops,
|
|
FeatureLDSBankCount32,
|
|
FeatureFastFMAF32]>;
|
|
|
|
def FeatureISAVersion7_0_2 : SubtargetFeatureISAVersion <7,0,2,
|
|
[FeatureSeaIslands,
|
|
FeatureLDSBankCount16,
|
|
FeatureFastFMAF32]>;
|
|
|
|
def FeatureISAVersion7_0_3 : SubtargetFeatureISAVersion <7,0,3,
|
|
[FeatureSeaIslands,
|
|
FeatureLDSBankCount16]>;
|
|
|
|
def FeatureISAVersion7_0_4 : SubtargetFeatureISAVersion <7,0,4,
|
|
[FeatureSeaIslands,
|
|
FeatureLDSBankCount32]>;
|
|
|
|
def FeatureISAVersion8_0_1 : SubtargetFeatureISAVersion <8,0,1,
|
|
[FeatureVolcanicIslands,
|
|
FeatureFastFMAF32,
|
|
HalfRate64Ops,
|
|
FeatureLDSBankCount32,
|
|
FeatureXNACK,
|
|
FeatureUnpackedD16VMem]>;
|
|
|
|
def FeatureISAVersion8_0_2 : SubtargetFeatureISAVersion <8,0,2,
|
|
[FeatureVolcanicIslands,
|
|
FeatureLDSBankCount32,
|
|
FeatureSGPRInitBug,
|
|
FeatureUnpackedD16VMem]>;
|
|
|
|
def FeatureISAVersion8_0_3 : SubtargetFeatureISAVersion <8,0,3,
|
|
[FeatureVolcanicIslands,
|
|
FeatureLDSBankCount32,
|
|
FeatureUnpackedD16VMem]>;
|
|
|
|
def FeatureISAVersion8_1_0 : SubtargetFeatureISAVersion <8,1,0,
|
|
[FeatureVolcanicIslands,
|
|
FeatureLDSBankCount16,
|
|
FeatureXNACK]>;
|
|
|
|
def FeatureISAVersion9_0_0 : SubtargetFeatureISAVersion <9,0,0,
|
|
[FeatureGFX9,
|
|
FeatureMadMixInsts,
|
|
FeatureLDSBankCount32
|
|
]>;
|
|
|
|
def FeatureISAVersion9_0_2 : SubtargetFeatureISAVersion <9,0,2,
|
|
[FeatureGFX9,
|
|
FeatureMadMixInsts,
|
|
FeatureLDSBankCount32,
|
|
FeatureXNACK
|
|
]>;
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Debugger related subtarget features.
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
def FeatureDebuggerInsertNops : SubtargetFeature<
|
|
"amdgpu-debugger-insert-nops",
|
|
"DebuggerInsertNops",
|
|
"true",
|
|
"Insert one nop instruction for each high level source statement"
|
|
>;
|
|
|
|
def FeatureDebuggerReserveRegs : SubtargetFeature<
|
|
"amdgpu-debugger-reserve-regs",
|
|
"DebuggerReserveRegs",
|
|
"true",
|
|
"Reserve registers for debugger usage"
|
|
>;
|
|
|
|
def FeatureDebuggerEmitPrologue : SubtargetFeature<
|
|
"amdgpu-debugger-emit-prologue",
|
|
"DebuggerEmitPrologue",
|
|
"true",
|
|
"Emit debugger prologue"
|
|
>;
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
def AMDGPUInstrInfo : InstrInfo {
|
|
let guessInstructionProperties = 1;
|
|
let noNamedPositionallyEncodedOperands = 1;
|
|
}
|
|
|
|
def AMDGPUAsmParser : AsmParser {
|
|
// Some of the R600 registers have the same name, so this crashes.
|
|
// For example T0_XYZW and T0_XY both have the asm name T0.
|
|
let ShouldEmitMatchRegisterName = 0;
|
|
}
|
|
|
|
def AMDGPUAsmWriter : AsmWriter {
|
|
int PassSubtarget = 1;
|
|
}
|
|
|
|
def AMDGPUAsmVariants {
|
|
string Default = "Default";
|
|
int Default_ID = 0;
|
|
string VOP3 = "VOP3";
|
|
int VOP3_ID = 1;
|
|
string SDWA = "SDWA";
|
|
int SDWA_ID = 2;
|
|
string SDWA9 = "SDWA9";
|
|
int SDWA9_ID = 3;
|
|
string DPP = "DPP";
|
|
int DPP_ID = 4;
|
|
string Disable = "Disable";
|
|
int Disable_ID = 5;
|
|
}
|
|
|
|
def DefaultAMDGPUAsmParserVariant : AsmParserVariant {
|
|
let Variant = AMDGPUAsmVariants.Default_ID;
|
|
let Name = AMDGPUAsmVariants.Default;
|
|
}
|
|
|
|
def VOP3AsmParserVariant : AsmParserVariant {
|
|
let Variant = AMDGPUAsmVariants.VOP3_ID;
|
|
let Name = AMDGPUAsmVariants.VOP3;
|
|
}
|
|
|
|
def SDWAAsmParserVariant : AsmParserVariant {
|
|
let Variant = AMDGPUAsmVariants.SDWA_ID;
|
|
let Name = AMDGPUAsmVariants.SDWA;
|
|
}
|
|
|
|
def SDWA9AsmParserVariant : AsmParserVariant {
|
|
let Variant = AMDGPUAsmVariants.SDWA9_ID;
|
|
let Name = AMDGPUAsmVariants.SDWA9;
|
|
}
|
|
|
|
|
|
def DPPAsmParserVariant : AsmParserVariant {
|
|
let Variant = AMDGPUAsmVariants.DPP_ID;
|
|
let Name = AMDGPUAsmVariants.DPP;
|
|
}
|
|
|
|
def AMDGPU : Target {
|
|
// Pull in Instruction Info:
|
|
let InstructionSet = AMDGPUInstrInfo;
|
|
let AssemblyParsers = [AMDGPUAsmParser];
|
|
let AssemblyParserVariants = [DefaultAMDGPUAsmParserVariant,
|
|
VOP3AsmParserVariant,
|
|
SDWAAsmParserVariant,
|
|
SDWA9AsmParserVariant,
|
|
DPPAsmParserVariant];
|
|
let AssemblyWriters = [AMDGPUAsmWriter];
|
|
let AllowRegisterRenaming = 1;
|
|
}
|
|
|
|
// Dummy Instruction itineraries for pseudo instructions
|
|
def ALU_NULL : FuncUnit;
|
|
def NullALU : InstrItinClass;
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Predicate helper class
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
def TruePredicate : Predicate<"true">;
|
|
|
|
def isSICI : Predicate<
|
|
"Subtarget->getGeneration() == AMDGPUSubtarget::SOUTHERN_ISLANDS ||"
|
|
"Subtarget->getGeneration() == AMDGPUSubtarget::SEA_ISLANDS"
|
|
>, AssemblerPredicate<"!FeatureGCN3Encoding">;
|
|
|
|
def isVI : Predicate <
|
|
"Subtarget->getGeneration() >= AMDGPUSubtarget::VOLCANIC_ISLANDS">,
|
|
AssemblerPredicate<"FeatureGCN3Encoding">;
|
|
|
|
def isGFX9 : Predicate <
|
|
"Subtarget->getGeneration() >= AMDGPUSubtarget::GFX9">,
|
|
AssemblerPredicate<"FeatureGFX9Insts">;
|
|
|
|
// TODO: Either the name to be changed or we simply use IsCI!
|
|
def isCIVI : Predicate <
|
|
"Subtarget->getGeneration() >= AMDGPUSubtarget::SEA_ISLANDS">,
|
|
AssemblerPredicate<"FeatureCIInsts">;
|
|
|
|
def HasFlatAddressSpace : Predicate<"Subtarget->hasFlatAddressSpace()">,
|
|
AssemblerPredicate<"FeatureFlatAddressSpace">;
|
|
|
|
def HasFlatGlobalInsts : Predicate<"Subtarget->hasFlatGlobalInsts()">,
|
|
AssemblerPredicate<"FeatureFlatGlobalInsts">;
|
|
def HasFlatScratchInsts : Predicate<"Subtarget->hasFlatScratchInsts()">,
|
|
AssemblerPredicate<"FeatureFlatScratchInsts">;
|
|
def HasD16LoadStore : Predicate<"Subtarget->hasD16LoadStore()">,
|
|
AssemblerPredicate<"FeatureGFX9Insts">;
|
|
|
|
def HasUnpackedD16VMem : Predicate<"Subtarget->hasUnpackedD16VMem()">,
|
|
AssemblerPredicate<"FeatureUnpackedD16VMem">;
|
|
def HasPackedD16VMem : Predicate<"!Subtarget->hasUnpackedD16VMem()">,
|
|
AssemblerPredicate<"!FeatureUnpackedD16VMem">;
|
|
|
|
|
|
def LDSRequiresM0Init : Predicate<"Subtarget->ldsRequiresM0Init()">;
|
|
def NotLDSRequiresM0Init : Predicate<"!Subtarget->ldsRequiresM0Init()">;
|
|
|
|
def HasDSAddTid : Predicate<"Subtarget->getGeneration() >= AMDGPUSubtarget::GFX9">,
|
|
AssemblerPredicate<"FeatureGFX9Insts">;
|
|
|
|
def HasAddNoCarryInsts : Predicate<"Subtarget->hasAddNoCarryInsts()">,
|
|
AssemblerPredicate<"FeatureAddNoCarryInsts">;
|
|
|
|
def NotHasAddNoCarryInsts : Predicate<"!Subtarget->hasAddNoCarryInsts()">,
|
|
AssemblerPredicate<"!FeatureAddNoCarryInsts">;
|
|
|
|
def Has16BitInsts : Predicate<"Subtarget->has16BitInsts()">,
|
|
AssemblerPredicate<"Feature16BitInsts">;
|
|
def HasVOP3PInsts : Predicate<"Subtarget->hasVOP3PInsts()">,
|
|
AssemblerPredicate<"FeatureVOP3P">;
|
|
|
|
def HasSDWA : Predicate<"Subtarget->hasSDWA()">,
|
|
AssemblerPredicate<"FeatureSDWA,FeatureVolcanicIslands">;
|
|
|
|
def HasSDWA9 : Predicate<"Subtarget->hasSDWA()">,
|
|
AssemblerPredicate<"FeatureSDWA,FeatureGFX9">;
|
|
|
|
def HasDPP : Predicate<"Subtarget->hasDPP()">,
|
|
AssemblerPredicate<"FeatureDPP">;
|
|
|
|
def HasIntClamp : Predicate<"Subtarget->hasIntClamp()">,
|
|
AssemblerPredicate<"FeatureIntClamp">;
|
|
|
|
def HasMadMixInsts : Predicate<"Subtarget->hasMadMixInsts()">,
|
|
AssemblerPredicate<"FeatureMadMixInsts">;
|
|
|
|
def EnableLateCFGStructurize : Predicate<
|
|
"EnableLateStructurizeCFG">;
|
|
|
|
// Exists to help track down where SubtargetPredicate isn't set rather
|
|
// than letting tablegen crash with an unhelpful error.
|
|
def InvalidPred : Predicate<"predicate not set on instruction or pattern">;
|
|
|
|
class PredicateControl {
|
|
Predicate SubtargetPredicate = InvalidPred;
|
|
Predicate SIAssemblerPredicate = isSICI;
|
|
Predicate VIAssemblerPredicate = isVI;
|
|
list<Predicate> AssemblerPredicates = [];
|
|
Predicate AssemblerPredicate = TruePredicate;
|
|
list<Predicate> OtherPredicates = [];
|
|
list<Predicate> Predicates = !listconcat([SubtargetPredicate,
|
|
AssemblerPredicate],
|
|
AssemblerPredicates,
|
|
OtherPredicates);
|
|
}
|
|
|
|
class AMDGPUPat<dag pattern, dag result> : Pat<pattern, result>,
|
|
PredicateControl;
|
|
|
|
|
|
// Include AMDGPU TD files
|
|
include "R600Schedule.td"
|
|
include "R600Processors.td"
|
|
include "SISchedule.td"
|
|
include "GCNProcessors.td"
|
|
include "AMDGPUInstrInfo.td"
|
|
include "AMDGPUIntrinsics.td"
|
|
include "AMDGPURegisterInfo.td"
|
|
include "AMDGPURegisterBanks.td"
|
|
include "AMDGPUInstructions.td"
|
|
include "AMDGPUCallingConv.td"
|