//===- PPC.td - Describe the PowerPC Target Machine --------*- tablegen -*-===// | |
// | |
// The LLVM Compiler Infrastructure | |
// | |
// This file is distributed under the University of Illinois Open Source | |
// License. See LICENSE.TXT for details. | |
// | |
//===----------------------------------------------------------------------===// | |
// | |
// This is the top level entry point for the PowerPC target. | |
// | |
//===----------------------------------------------------------------------===// | |
// Get the target-independent interfaces which we are implementing. | |
// | |
include "llvm/Target/Target.td" | |
//===----------------------------------------------------------------------===// | |
// PowerPC Subtarget features. | |
// | |
//===----------------------------------------------------------------------===// | |
// CPU Directives // | |
//===----------------------------------------------------------------------===// | |
def Directive601 : SubtargetFeature<"", "DarwinDirective", "PPC::DIR_601", "">; | |
def Directive602 : SubtargetFeature<"", "DarwinDirective", "PPC::DIR_602", "">; | |
def Directive603 : SubtargetFeature<"", "DarwinDirective", "PPC::DIR_603", "">; | |
def Directive604 : SubtargetFeature<"", "DarwinDirective", "PPC::DIR_603", "">; | |
def Directive620 : SubtargetFeature<"", "DarwinDirective", "PPC::DIR_603", "">; | |
def Directive7400: SubtargetFeature<"", "DarwinDirective", "PPC::DIR_7400", "">; | |
def Directive750 : SubtargetFeature<"", "DarwinDirective", "PPC::DIR_750", "">; | |
def Directive970 : SubtargetFeature<"", "DarwinDirective", "PPC::DIR_970", "">; | |
def Directive32 : SubtargetFeature<"", "DarwinDirective", "PPC::DIR_32", "">; | |
def Directive64 : SubtargetFeature<"", "DarwinDirective", "PPC::DIR_64", "">; | |
def Feature64Bit : SubtargetFeature<"64bit","Has64BitSupport", "true", | |
"Enable 64-bit instructions">; | |
def Feature64BitRegs : SubtargetFeature<"64bitregs","Use64BitRegs", "true", | |
"Enable 64-bit registers usage for ppc32 [beta]">; | |
def FeatureAltivec : SubtargetFeature<"altivec","HasAltivec", "true", | |
"Enable Altivec instructions">; | |
def FeatureGPUL : SubtargetFeature<"gpul","IsGigaProcessor", "true", | |
"Enable GPUL instructions">; | |
def FeatureFSqrt : SubtargetFeature<"fsqrt","HasFSQRT", "true", | |
"Enable the fsqrt instruction">; | |
def FeatureSTFIWX : SubtargetFeature<"stfiwx","HasSTFIWX", "true", | |
"Enable the stfiwx instruction">; | |
//===----------------------------------------------------------------------===// | |
// Register File Description | |
//===----------------------------------------------------------------------===// | |
include "PPCRegisterInfo.td" | |
include "PPCSchedule.td" | |
include "PPCInstrInfo.td" | |
//===----------------------------------------------------------------------===// | |
// PowerPC processors supported. | |
// | |
def : Processor<"generic", G3Itineraries, [Directive32]>; | |
def : Processor<"601", G3Itineraries, [Directive601]>; | |
def : Processor<"602", G3Itineraries, [Directive602]>; | |
def : Processor<"603", G3Itineraries, [Directive603]>; | |
def : Processor<"603e", G3Itineraries, [Directive603]>; | |
def : Processor<"603ev", G3Itineraries, [Directive603]>; | |
def : Processor<"604", G3Itineraries, [Directive604]>; | |
def : Processor<"604e", G3Itineraries, [Directive604]>; | |
def : Processor<"620", G3Itineraries, [Directive620]>; | |
def : Processor<"g3", G3Itineraries, [Directive7400]>; | |
def : Processor<"7400", G4Itineraries, [Directive7400, FeatureAltivec]>; | |
def : Processor<"g4", G4Itineraries, [Directive7400, FeatureAltivec]>; | |
def : Processor<"7450", G4PlusItineraries, [Directive7400, FeatureAltivec]>; | |
def : Processor<"g4+", G4PlusItineraries, [Directive750, FeatureAltivec]>; | |
def : Processor<"750", G4Itineraries, [Directive750, FeatureAltivec]>; | |
def : Processor<"970", G5Itineraries, | |
[Directive970, FeatureAltivec, | |
FeatureGPUL, FeatureFSqrt, FeatureSTFIWX, | |
Feature64Bit /*, Feature64BitRegs */]>; | |
def : Processor<"g5", G5Itineraries, | |
[Directive970, FeatureAltivec, | |
FeatureGPUL, FeatureFSqrt, FeatureSTFIWX, | |
Feature64Bit /*, Feature64BitRegs */]>; | |
def : Processor<"ppc", G3Itineraries, [Directive32]>; | |
def : Processor<"ppc64", G5Itineraries, | |
[Directive64, FeatureAltivec, | |
FeatureGPUL, FeatureFSqrt, FeatureSTFIWX, | |
Feature64Bit /*, Feature64BitRegs */]>; | |
//===----------------------------------------------------------------------===// | |
// Calling Conventions | |
//===----------------------------------------------------------------------===// | |
include "PPCCallingConv.td" | |
def PPCInstrInfo : InstrInfo { | |
let isLittleEndianEncoding = 1; | |
} | |
def PPCAsmWriter : AsmWriter { | |
string AsmWriterClassName = "InstPrinter"; | |
bit isMCAsmWriter = 1; | |
} | |
def PPC : Target { | |
// Information about the instructions. | |
let InstructionSet = PPCInstrInfo; | |
let AssemblyWriters = [PPCAsmWriter]; | |
} |