forked from OSchip/llvm-project
61 lines
1.8 KiB
TableGen
61 lines
1.8 KiB
TableGen
//===-- AMDGPUFeatures.td - AMDGPU Feature Definitions -----*- tablegen -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
def FeatureFP64 : SubtargetFeature<"fp64",
|
|
"FP64",
|
|
"true",
|
|
"Enable double precision operations"
|
|
>;
|
|
|
|
def FeatureFMA : SubtargetFeature<"fmaf",
|
|
"FMA",
|
|
"true",
|
|
"Enable single precision FMA (not as fast as mul+add, but fused)"
|
|
>;
|
|
|
|
class SubtargetFeatureLocalMemorySize <int Value> : SubtargetFeature<
|
|
"localmemorysize"#Value,
|
|
"LocalMemorySize",
|
|
!cast<string>(Value),
|
|
"The size of local memory in bytes"
|
|
>;
|
|
|
|
def FeatureLocalMemorySize0 : SubtargetFeatureLocalMemorySize<0>;
|
|
def FeatureLocalMemorySize32768 : SubtargetFeatureLocalMemorySize<32768>;
|
|
def FeatureLocalMemorySize65536 : SubtargetFeatureLocalMemorySize<65536>;
|
|
|
|
class SubtargetFeatureWavefrontSize <int Value> : SubtargetFeature<
|
|
"wavefrontsize"#Value,
|
|
"WavefrontSize",
|
|
!cast<string>(Value),
|
|
"The number of threads per wavefront"
|
|
>;
|
|
|
|
def FeatureWavefrontSize16 : SubtargetFeatureWavefrontSize<16>;
|
|
def FeatureWavefrontSize32 : SubtargetFeatureWavefrontSize<32>;
|
|
def FeatureWavefrontSize64 : SubtargetFeatureWavefrontSize<64>;
|
|
|
|
class SubtargetFeatureGeneration <string Value, string Subtarget,
|
|
list<SubtargetFeature> Implies> :
|
|
SubtargetFeature <Value, "Gen", Subtarget#"::"#Value,
|
|
Value#" GPU generation", Implies>;
|
|
|
|
def FeatureDX10Clamp : SubtargetFeature<"dx10-clamp",
|
|
"DX10Clamp",
|
|
"true",
|
|
"clamp modifier clamps NaNs to 0.0"
|
|
>;
|
|
|
|
def FeaturePromoteAlloca : SubtargetFeature <"promote-alloca",
|
|
"EnablePromoteAlloca",
|
|
"true",
|
|
"Enable promote alloca pass"
|
|
>;
|
|
|