R600Processors.td
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//===-- R600Processors.td - R600 Processor definitions --------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
class SubtargetFeatureFetchLimit <string Value> :
SubtargetFeature <"fetch"#Value,
"TexVTXClauseSize",
Value,
"Limit the maximum number of fetches in a clause to "#Value
>;
def FeatureR600ALUInst : SubtargetFeature<"R600ALUInst",
"R600ALUInst",
"false",
"Older version of ALU instructions encoding"
>;
def FeatureFetchLimit8 : SubtargetFeatureFetchLimit <"8">;
def FeatureFetchLimit16 : SubtargetFeatureFetchLimit <"16">;
def FeatureVertexCache : SubtargetFeature<"HasVertexCache",
"HasVertexCache",
"true",
"Specify use of dedicated vertex cache"
>;
def FeatureCaymanISA : SubtargetFeature<"caymanISA",
"CaymanISA",
"true",
"Use Cayman ISA"
>;
def FeatureCFALUBug : SubtargetFeature<"cfalubug",
"CFALUBug",
"true",
"GPU has CF_ALU bug"
>;
class R600SubtargetFeatureGeneration <string Value, string FeatureName,
list<SubtargetFeature> Implies> :
SubtargetFeatureGeneration <Value, FeatureName, "R600Subtarget", Implies>;
def FeatureR600 : R600SubtargetFeatureGeneration<"R600", "r600",
[FeatureR600ALUInst, FeatureFetchLimit8, FeatureLocalMemorySize0]
>;
def FeatureR700 : R600SubtargetFeatureGeneration<"R700", "r700",
[FeatureFetchLimit16, FeatureLocalMemorySize0]
>;
def FeatureEvergreen : R600SubtargetFeatureGeneration<"EVERGREEN", "evergreen",
[FeatureFetchLimit16, FeatureLocalMemorySize32768]
>;
def FeatureNorthernIslands : R600SubtargetFeatureGeneration<"NORTHERN_ISLANDS",
"northern-islands",
[FeatureFetchLimit16, FeatureWavefrontSize64,
FeatureLocalMemorySize32768]
>;
//===----------------------------------------------------------------------===//
// Radeon HD 2000/3000 Series (R600).
//===----------------------------------------------------------------------===//
def : Processor<"r600", R600_VLIW5_Itin,
[FeatureR600, FeatureWavefrontSize64, FeatureVertexCache]
>;
def : Processor<"r630", R600_VLIW5_Itin,
[FeatureR600, FeatureWavefrontSize32, FeatureVertexCache]
>;
def : Processor<"rs880", R600_VLIW5_Itin,
[FeatureR600, FeatureWavefrontSize16]
>;
def : Processor<"rv670", R600_VLIW5_Itin,
[FeatureR600, FeatureWavefrontSize64, FeatureVertexCache]
>;
//===----------------------------------------------------------------------===//
// Radeon HD 4000 Series (R700).
//===----------------------------------------------------------------------===//
def : Processor<"rv710", R600_VLIW5_Itin,
[FeatureR700, FeatureWavefrontSize32, FeatureVertexCache]
>;
def : Processor<"rv730", R600_VLIW5_Itin,
[FeatureR700, FeatureWavefrontSize32, FeatureVertexCache]
>;
def : Processor<"rv770", R600_VLIW5_Itin,
[FeatureR700, FeatureWavefrontSize64, FeatureVertexCache]
>;
//===----------------------------------------------------------------------===//
// Radeon HD 5000 Series (Evergreen).
//===----------------------------------------------------------------------===//
def : Processor<"cedar", R600_VLIW5_Itin,
[FeatureEvergreen, FeatureWavefrontSize32, FeatureVertexCache,
FeatureCFALUBug]
>;
def : Processor<"cypress", R600_VLIW5_Itin,
[FeatureEvergreen, FeatureWavefrontSize64, FeatureVertexCache, FeatureFMA]
>;
def : Processor<"juniper", R600_VLIW5_Itin,
[FeatureEvergreen, FeatureWavefrontSize64, FeatureVertexCache]
>;
def : Processor<"redwood", R600_VLIW5_Itin,
[FeatureEvergreen, FeatureWavefrontSize64, FeatureVertexCache,
FeatureCFALUBug]
>;
def : Processor<"sumo", R600_VLIW5_Itin,
[FeatureEvergreen, FeatureWavefrontSize64, FeatureCFALUBug]
>;
//===----------------------------------------------------------------------===//
// Radeon HD 6000 Series (Northern Islands).
//===----------------------------------------------------------------------===//
def : Processor<"barts", R600_VLIW5_Itin,
[FeatureNorthernIslands, FeatureVertexCache, FeatureCFALUBug]
>;
def : Processor<"caicos", R600_VLIW5_Itin,
[FeatureNorthernIslands, FeatureCFALUBug]
>;
def : Processor<"cayman", R600_VLIW4_Itin,
[FeatureNorthernIslands, FeatureCaymanISA, FeatureFMA]
>;
def : Processor<"turks", R600_VLIW5_Itin,
[FeatureNorthernIslands, FeatureVertexCache, FeatureCFALUBug]
>;