mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-30 17:33:24 +00:00
b71b909bc7
implemented somewhat differently than before, but it should have the same functionality and the previous testcase passes again. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78900 91177308-0d34-0410-b5e6-96231b3b80d8
52 lines
1.7 KiB
C++
52 lines
1.7 KiB
C++
//===- MipsSubtarget.cpp - Mips Subtarget Information -----------*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file implements the Mips specific subclass of TargetSubtarget.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "MipsSubtarget.h"
|
|
#include "Mips.h"
|
|
#include "MipsGenSubtarget.inc"
|
|
using namespace llvm;
|
|
|
|
MipsSubtarget::MipsSubtarget(const std::string &TT, const std::string &FS,
|
|
bool little) :
|
|
MipsArchVersion(Mips1), MipsABI(O32), IsLittle(little), IsSingleFloat(false),
|
|
IsFP64bit(false), IsGP64bit(false), HasVFPU(false), IsLinux(true),
|
|
HasSEInReg(false), HasCondMov(false), HasMulDivAdd(false), HasMinMax(false),
|
|
HasSwap(false), HasBitCount(false)
|
|
{
|
|
std::string CPU = "mips1";
|
|
MipsArchVersion = Mips1;
|
|
|
|
// Parse features string.
|
|
ParseSubtargetFeatures(FS, CPU);
|
|
|
|
// Is the target system Linux ?
|
|
if (TT.find("linux") == std::string::npos)
|
|
IsLinux = false;
|
|
|
|
// When only the target triple is specified and is
|
|
// a allegrex target, set the features. We also match
|
|
// big and little endian allegrex cores (dont really
|
|
// know if a big one exists)
|
|
if (TT.find("mipsallegrex") != std::string::npos ||
|
|
TT.find("psp") != std::string::npos) {
|
|
MipsABI = EABI;
|
|
IsSingleFloat = true;
|
|
MipsArchVersion = Mips2;
|
|
HasVFPU = true; // Enables Allegrex Vector FPU (not supported yet)
|
|
HasSEInReg = true;
|
|
HasBitCount = true;
|
|
HasSwap = true;
|
|
HasCondMov = true;
|
|
}
|
|
}
|