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[mips] In the integrated assembler, select the default feature bits by changing the CPU value.

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This is consistent with the way CodeGen acheives this. However, CodeGen
always selects mips32 (even when the architecture is mips64).

llvm-svn: 201694
This commit is contained in:
Daniel Sanders 2014-02-19 16:13:26 +00:00
parent be6d8a86fb
commit b1311110b0
1 changed files with 8 additions and 27 deletions
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35
lib/Target/Mips/MCTargetDesc/MipsMCTargetDesc.cpp
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@ -39,27 +39,6 @@
using namespace llvm;
static std::string ParseMipsTriple(StringRef TT, StringRef CPU) {
std::string MipsArchFeature;
Triple TheTriple(TT);
if (TheTriple.getArch() == Triple::mips ||
TheTriple.getArch() == Triple::mipsel) {
if (CPU.empty() || CPU == "mips32") {
MipsArchFeature = "+mips32";
} else if (CPU == "mips32r2") {
MipsArchFeature = "+mips32r2";
}
} else {
if (CPU.empty() || CPU == "mips64") {
MipsArchFeature = "+mips64";
} else if (CPU == "mips64r2") {
MipsArchFeature = "+mips64r2";
}
}
return MipsArchFeature;
}
static MCInstrInfo *createMipsMCInstrInfo() {
MCInstrInfo *X = new MCInstrInfo();
InitMipsMCInstrInfo(X);
@ -74,15 +53,17 @@ static MCRegisterInfo *createMipsMCRegisterInfo(StringRef TT) {
static MCSubtargetInfo *createMipsMCSubtargetInfo(StringRef TT, StringRef CPU,
StringRef FS) {
std::string ArchFS = ParseMipsTriple(TT,CPU);
if (!FS.empty()) {
if (!ArchFS.empty())
ArchFS = ArchFS + "," + FS.str();
if (CPU.empty()) {
Triple TheTriple(TT);
// FIXME: CodeGen picks mips32 in both cases.
if (TheTriple.getArch() == Triple::mips ||
TheTriple.getArch() == Triple::mipsel)
CPU = "mips32";
else
ArchFS = FS;
CPU = "mips64";
}
MCSubtargetInfo *X = new MCSubtargetInfo();
InitMipsMCSubtargetInfo(X, TT, CPU, ArchFS);
InitMipsMCSubtargetInfo(X, TT, CPU, FS);
return X;
}