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llvm-mirror/lib/Target/R600/AMDGPU.td
Tom Stellard 0ffa8d28b1 R600: Rework subtarget info and remove AMDILDevice classes
This should simplify the subtarget definitions and make it easier to
add new ones.

Reviewed-by: Vincent Lejeune <vljn@ovi.com>
llvm-svn: 183566
2013-06-07 20:37:48 +00:00

115 lines
3.6 KiB
TableGen

//===-- AMDIL.td - AMDIL Tablegen files --*- tablegen -*-------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//==-----------------------------------------------------------------------===//
// Include AMDIL TD files
include "AMDILBase.td"
//===----------------------------------------------------------------------===//
// Subtarget Features
//===----------------------------------------------------------------------===//
// Debugging Features
def FeatureDumpCode : SubtargetFeature <"DumpCode",
"DumpCode",
"true",
"Dump MachineInstrs in the CodeEmitter">;
// Target features
def FeatureFP64 : SubtargetFeature<"fp64",
"FP64",
"true",
"Enable 64bit double precision operations">;
def Feature64BitPtr : SubtargetFeature<"64BitPtr",
"Is64bit",
"true",
"Specify if 64bit addressing should be used.">;
def Feature32on64BitPtr : SubtargetFeature<"64on32BitPtr",
"Is32on64bit",
"false",
"Specify if 64bit sized pointers with 32bit addressing should be used.">;
def FeatureR600ALUInst : SubtargetFeature<"R600ALUInst",
"R600ALUInst",
"false",
"Older version of ALU instructions encoding.">;
def FeatureVertexCache : SubtargetFeature<"HasVertexCache",
"HasVertexCache",
"true",
"Specify use of dedicated vertex cache.">;
def FeatureCaymanISA : SubtargetFeature<"caymanISA",
"CaymanISA",
"true",
"Use Cayman ISA">;
class SubtargetFeatureFetchLimit <string Value> :
SubtargetFeature <"fetch"#Value,
"TexVTXClauseSize",
Value,
"Limit the maximum number of fetches in a clause to "#Value>;
def FeatureFetchLimit8 : SubtargetFeatureFetchLimit <"8">;
def FeatureFetchLimit16 : SubtargetFeatureFetchLimit <"16">;
class SubtargetFeatureGeneration <string Value,
list<SubtargetFeature> Implies> :
SubtargetFeature <Value, "Gen", "AMDGPUSubtarget::"#Value,
Value#" GPU generation", Implies>;
def FeatureR600 : SubtargetFeatureGeneration<"R600",
[FeatureR600ALUInst, FeatureFetchLimit8]>;
def FeatureR700 : SubtargetFeatureGeneration<"R700",
[FeatureFetchLimit16]>;
def FeatureEvergreen : SubtargetFeatureGeneration<"EVERGREEN",
[FeatureFetchLimit16]>;
def FeatureNorthernIslands : SubtargetFeatureGeneration<"NORTHERN_ISLANDS",
[FeatureFetchLimit16]>;
def FeatureSouthernIslands : SubtargetFeatureGeneration<"SOUTHERN_ISLANDS",
[Feature64BitPtr, FeatureFP64]>;
//===----------------------------------------------------------------------===//
def AMDGPUInstrInfo : InstrInfo {
let guessInstructionProperties = 1;
}
//===----------------------------------------------------------------------===//
// Declare the target which we are implementing
//===----------------------------------------------------------------------===//
def AMDGPUAsmWriter : AsmWriter {
string AsmWriterClassName = "InstPrinter";
int Variant = 0;
bit isMCAsmWriter = 1;
}
def AMDGPU : Target {
// Pull in Instruction Info:
let InstructionSet = AMDGPUInstrInfo;
let AssemblyWriters = [AMDGPUAsmWriter];
}
// Include AMDGPU TD files
include "R600Schedule.td"
include "SISchedule.td"
include "Processors.td"
include "AMDGPUInstrInfo.td"
include "AMDGPUIntrinsics.td"
include "AMDGPURegisterInfo.td"
include "AMDGPUInstructions.td"
include "AMDGPUCallingConv.td"