blob: 3533087bbfd1bf266f08552baf361cf44520141a [file] [log] [blame]
//===-- - AMDGPU Feature Definitions -----*- tablegen -*-===//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
def FeatureFP64 : SubtargetFeature<"fp64",
"Enable double precision operations"
def FeatureFMA : SubtargetFeature<"fmaf",
"Enable single precision FMA (not as fast as mul+add, but fused)"
class SubtargetFeatureLocalMemorySize <int Value> : SubtargetFeature<
"The size of local memory in bytes"
def FeatureLocalMemorySize32768 : SubtargetFeatureLocalMemorySize<32768>;
def FeatureLocalMemorySize65536 : SubtargetFeatureLocalMemorySize<65536>;
class SubtargetFeatureWavefrontSize <int ValueLog2> : SubtargetFeature<
"wavefrontsize"#!shl(1, ValueLog2),
"The number of threads per wavefront"
def FeatureWavefrontSize16 : SubtargetFeatureWavefrontSize<4>;
def FeatureWavefrontSize32 : SubtargetFeatureWavefrontSize<5>;
def FeatureWavefrontSize64 : SubtargetFeatureWavefrontSize<6>;
class SubtargetFeatureGeneration <string Value, string FeatureName,
string Subtarget,
list<SubtargetFeature> Implies> :
SubtargetFeature <FeatureName, "Gen", Subtarget#"::"#Value,
Value#" GPU generation", Implies>;
def FeaturePromoteAlloca : SubtargetFeature <"promote-alloca",
"Enable promote alloca pass"