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[AMDGPU] gfx1250 MC support for FLAT GVS addressing #149173

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Merged
merged 1 commit into from
Jul 16, 2025
Merged

[AMDGPU] gfx1250 MC support for FLAT GVS addressing #149173

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10 changes: 10 additions & 0 deletions llvm/lib/Target/AMDGPU/AMDGPU.td
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Original file line number Diff line number Diff line change
Expand Up @@ -89,6 +89,12 @@ def FeatureEnableFlatScratch : SubtargetFeature<"enable-flat-scratch",
"Use scratch_* flat memory instructions to access scratch"
>;

def FeatureFlatGVSMode : SubtargetFeature<"flat-gvs-mode",
"FlatGVSMode",
"true",
"Have GVS addressing mode with flat_* instructions"
>;

def FeatureAddNoCarryInsts : SubtargetFeature<"add-no-carry-insts",
"AddNoCarryInsts",
"true",
Expand Down Expand Up @@ -1954,6 +1960,7 @@ def FeatureISAVersion12_50 : FeatureSet<
FeatureShaderCyclesHiLoRegisters,
FeatureArchitectedFlatScratch,
FeatureArchitectedSGPRs,
FeatureFlatGVSMode,
FeatureAtomicFaddRtnInsts,
FeatureAtomicFaddNoRtnInsts,
FeatureAtomicDsPkAdd16Insts,
Expand Down Expand Up @@ -2381,6 +2388,9 @@ def HasFlatScratchSTMode : Predicate<"Subtarget->hasFlatScratchSTMode()">,
def HasFlatScratchSVSMode : Predicate<"Subtarget->hasFlatScratchSVSMode()">,
AssemblerPredicate<(any_of FeatureGFX940Insts, FeatureGFX11Insts)>;

def HasFlatGVSMode : Predicate<"Subtarget->hasFlatGVSMode()">,
AssemblerPredicate<(all_of FeatureFlatGVSMode)>;

def HasGFX10_AEncoding : Predicate<"Subtarget->hasGFX10_AEncoding()">,
AssemblerPredicate<(all_of FeatureGFX10_AEncoding)>;

Expand Down
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