mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-19 19:29:31 +00:00
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26805 91177308-0d34-0410-b5e6-96231b3b80d8
99 lines
4.0 KiB
TableGen
99 lines
4.0 KiB
TableGen
//===- PPC.td - Describe the PowerPC Target Machine --------*- tablegen -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file was developed by the LLVM research group and 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 "../Target.td"
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// PowerPC Subtarget features.
|
|
//
|
|
|
|
def Feature64Bit : SubtargetFeature<"64bit","Is64Bit", "true",
|
|
"Enable 64-bit instructions">;
|
|
def Feature64BitRegs : SubtargetFeature<"64bitregs","Has64BitRegs", "true",
|
|
"Enable 64-bit registers [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, []>;
|
|
def : Processor<"601", G3Itineraries, []>;
|
|
def : Processor<"602", G3Itineraries, []>;
|
|
def : Processor<"603", G3Itineraries, []>;
|
|
def : Processor<"603e", G3Itineraries, []>;
|
|
def : Processor<"603ev", G3Itineraries, []>;
|
|
def : Processor<"604", G3Itineraries, []>;
|
|
def : Processor<"604e", G3Itineraries, []>;
|
|
def : Processor<"620", G3Itineraries, []>;
|
|
def : Processor<"g3", G3Itineraries, []>;
|
|
def : Processor<"7400", G4Itineraries, [FeatureAltivec]>;
|
|
def : Processor<"g4", G4Itineraries, [FeatureAltivec]>;
|
|
def : Processor<"7450", G4PlusItineraries, [FeatureAltivec]>;
|
|
def : Processor<"g4+", G4PlusItineraries, [FeatureAltivec]>;
|
|
def : Processor<"750", G3Itineraries, []>;
|
|
def : Processor<"970", G5Itineraries,
|
|
[FeatureAltivec, FeatureGPUL, FeatureFSqrt, FeatureSTFIWX,
|
|
Feature64Bit /*, Feature64BitRegs */]>;
|
|
def : Processor<"g5", G5Itineraries,
|
|
[FeatureAltivec, FeatureGPUL, FeatureFSqrt, FeatureSTFIWX,
|
|
Feature64Bit /*, Feature64BitRegs */]>;
|
|
|
|
|
|
def PPCInstrInfo : InstrInfo {
|
|
// Define how we want to layout our TargetSpecific information field... This
|
|
// should be kept up-to-date with the fields in the PPCInstrInfo.h file.
|
|
let TSFlagsFields = ["PPC970_First",
|
|
"PPC970_Single",
|
|
"PPC970_Cracked",
|
|
"PPC970_Unit"];
|
|
let TSFlagsShifts = [0, 1, 2, 3];
|
|
|
|
let isLittleEndianEncoding = 1;
|
|
}
|
|
|
|
|
|
def PPC : Target {
|
|
// Pointers on PPC are 32-bits in size.
|
|
let PointerType = i32;
|
|
|
|
// Information about the instructions.
|
|
let InstructionSet = PPCInstrInfo;
|
|
|
|
|
|
// According to the Mach-O Runtime ABI, these regs are nonvolatile across
|
|
// calls
|
|
let CalleeSavedRegisters = [R1, R13, R14, R15, R16, R17, R18, R19,
|
|
R20, R21, R22, R23, R24, R25, R26, R27, R28, R29, R30, R31, F14, F15,
|
|
F16, F17, F18, F19, F20, F21, F22, F23, F24, F25, F26, F27, F28, F29,
|
|
F30, F31, CR2, CR3, CR4, V20, V21, V22, V23, V24, V25, V26, V27, V28,
|
|
V29, V30, V31, LR];
|
|
}
|