[llvm] r302729 - AMDGPU: Add new subtarget features for gfx9 flat instructions
Matt Arsenault via llvm-commits
llvm-commits at lists.llvm.org
Wed May 10 14:19:05 PDT 2017
Author: arsenm
Date: Wed May 10 16:19:05 2017
New Revision: 302729
URL: http://llvm.org/viewvc/llvm-project?rev=302729&view=rev
Log:
AMDGPU: Add new subtarget features for gfx9 flat instructions
Flat instructions gain an immediate offset, and 2 new
sets of segment specific flat instructions are added.
Modified:
llvm/trunk/lib/Target/AMDGPU/AMDGPU.td
llvm/trunk/lib/Target/AMDGPU/AMDGPUSubtarget.cpp
llvm/trunk/lib/Target/AMDGPU/AMDGPUSubtarget.h
Modified: llvm/trunk/lib/Target/AMDGPU/AMDGPU.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AMDGPU/AMDGPU.td?rev=302729&r1=302728&r2=302729&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AMDGPU/AMDGPU.td (original)
+++ llvm/trunk/lib/Target/AMDGPU/AMDGPU.td Wed May 10 16:19:05 2017
@@ -61,6 +61,24 @@ def FeatureFlatAddressSpace : SubtargetF
"Support flat address space"
>;
+def FeatureFlatInstOffsets : SubtargetFeature<"flat-inst-offsets",
+ "FlatInstOffsets",
+ "true",
+ "Flat instructions have immediate offset addressing mode"
+>;
+
+def FeatureFlatGlobalInsts : SubtargetFeature<"flat-global-insts",
+ "FlatGlobalInsts",
+ "true",
+ "Have global_* flat memory instructions"
+>;
+
+def FeatureFlatScratchInsts : SubtargetFeature<"flat-scratch-insts",
+ "FlatScratchInsts",
+ "true",
+ "Have scratch_* flat memory instructions"
+>;
+
def FeatureUnalignedBufferAccess : SubtargetFeature<"unaligned-buffer-access",
"UnalignedBufferAccess",
"true",
@@ -407,7 +425,8 @@ def FeatureGFX9 : SubtargetFeatureGenera
FeatureGCN3Encoding, FeatureCIInsts, Feature16BitInsts,
FeatureSMemRealTime, FeatureScalarStores, FeatureInv2PiInlineImm,
FeatureApertureRegs, FeatureGFX9Insts, FeatureVOP3P, FeatureVGPRIndexMode,
- FeatureFastFMAF32, FeatureDPP
+ FeatureFastFMAF32, FeatureDPP,
+ FeatureFlatInstOffsets, FeatureFlatGlobalInsts, FeatureFlatScratchInsts
]
>;
Modified: llvm/trunk/lib/Target/AMDGPU/AMDGPUSubtarget.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AMDGPU/AMDGPUSubtarget.cpp?rev=302729&r1=302728&r2=302729&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AMDGPU/AMDGPUSubtarget.cpp (original)
+++ llvm/trunk/lib/Target/AMDGPU/AMDGPUSubtarget.cpp Wed May 10 16:19:05 2017
@@ -125,6 +125,9 @@ AMDGPUSubtarget::AMDGPUSubtarget(const T
HasSDWA(false),
HasDPP(false),
FlatAddressSpace(false),
+ FlatInstOffsets(false),
+ FlatGlobalInsts(false),
+ FlatScratchInsts(false),
R600ALUInst(false),
CaymanISA(false),
Modified: llvm/trunk/lib/Target/AMDGPU/AMDGPUSubtarget.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AMDGPU/AMDGPUSubtarget.h?rev=302729&r1=302728&r2=302729&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AMDGPU/AMDGPUSubtarget.h (original)
+++ llvm/trunk/lib/Target/AMDGPU/AMDGPUSubtarget.h Wed May 10 16:19:05 2017
@@ -145,6 +145,9 @@ protected:
bool HasSDWA;
bool HasDPP;
bool FlatAddressSpace;
+ bool FlatInstOffsets;
+ bool FlatGlobalInsts;
+ bool FlatScratchInsts;
bool R600ALUInst;
bool CaymanISA;
bool CFALUBug;
@@ -380,6 +383,18 @@ public:
return FlatAddressSpace;
}
+ bool hasFlatInstOffsets() const {
+ return FlatInstOffsets;
+ }
+
+ bool hasFlatGlobalInsts() const {
+ return FlatGlobalInsts;
+ }
+
+ bool hasFlatScratchInsts() const {
+ return FlatScratchInsts;
+ }
+
bool isMesaKernel(const MachineFunction &MF) const {
return isMesa3DOS() && !AMDGPU::isShader(MF.getFunction()->getCallingConv());
}
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