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Updating MBlaze .mask and .frame directives to match GCC's output and fixing regression introduced in 120095 by checking MCStreamer::hasRawTextSupport. 

llvm-svn: 120097
This commit is contained in:
Wesley Peck 2010-11-24 16:32:35 +00:00
parent 51917b868d
commit 8ad3b25633
1 changed files with 20 additions and 13 deletions
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33
llvm/lib/Target/MBlaze/MBlazeAsmPrinter.cpp
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@ -60,7 +60,7 @@ namespace {
return "MBlaze Assembly Printer";
}
void printSavedRegsBitmask(raw_ostream &O);
void printSavedRegsBitmask();
void emitFrameDirective();
virtual void EmitFunctionBodyStart();
virtual void EmitFunctionBodyEnd();
@ -124,10 +124,9 @@ static void printHex32(unsigned int Value, raw_ostream &O) {
// Create a bitmask with all callee saved registers for CPU or Floating Point
// registers. For CPU registers consider RA, GP and FP for saving if necessary.
void MBlazeAsmPrinter::printSavedRegsBitmask(raw_ostream &O) {
void MBlazeAsmPrinter::printSavedRegsBitmask() {
const TargetFrameInfo *TFI = TM.getFrameInfo();
const TargetRegisterInfo &RI = *TM.getRegisterInfo();
const MBlazeFunctionInfo *MBlazeFI = MF->getInfo<MBlazeFunctionInfo>();
// CPU Saved Registers Bitmasks
unsigned int CPUBitmask = 0;
@ -152,17 +151,19 @@ void MBlazeAsmPrinter::printSavedRegsBitmask(raw_ostream &O) {
getRegisterNumbering(RI.getRARegister()));
// Print CPUBitmask
O << "\t.mask \t"; printHex32(CPUBitmask, O); O << ','
<< MBlazeFI->getCPUTopSavedRegOff() << '\n';
OutStreamer.EmitRawText("\t.mask\t0x" + Twine::utohexstr(CPUBitmask));
}
/// Frame Directive
void MBlazeAsmPrinter::emitFrameDirective() {
const TargetRegisterInfo &RI = *TM.getRegisterInfo();
if (!OutStreamer.hasRawTextSupport())
return;
const TargetRegisterInfo &RI = *TM.getRegisterInfo();
unsigned stkReg = RI.getFrameRegister(*MF);
unsigned retReg = RI.getRARegister();
unsigned stkSze = MF->getFrameInfo()->getStackSize();
if (stkSze < 28 && MF->getFrameInfo()->adjustsStack()) stkSze = 28;
OutStreamer.EmitRawText("\t.frame\t" +
Twine(MBlazeInstPrinter::getRegisterName(stkReg)) +
@ -171,21 +172,27 @@ void MBlazeAsmPrinter::emitFrameDirective() {
}
void MBlazeAsmPrinter::EmitFunctionEntryLabel() {
OutStreamer.EmitRawText("\t.ent\t" + Twine(CurrentFnSym->getName()));
if (OutStreamer.hasRawTextSupport())
OutStreamer.EmitRawText("\t.ent\t" + Twine(CurrentFnSym->getName()));
AsmPrinter::EmitFunctionEntryLabel();
}
void MBlazeAsmPrinter::EmitFunctionBodyStart() {
emitFrameDirective();
if (!OutStreamer.hasRawTextSupport())
return;
SmallString<128> Str;
raw_svector_ostream OS(Str);
printSavedRegsBitmask(OS);
OutStreamer.EmitRawText(OS.str());
emitFrameDirective();
printSavedRegsBitmask();
// SmallString<128> Str;
// raw_svector_ostream OS(Str);
// printSavedRegsBitmask(OS);
// OutStreamer.EmitRawText(OS.str());
}
void MBlazeAsmPrinter::EmitFunctionBodyEnd() {
OutStreamer.EmitRawText("\t.end\t" + Twine(CurrentFnSym->getName()));
if (OutStreamer.hasRawTextSupport())
OutStreamer.EmitRawText("\t.end\t" + Twine(CurrentFnSym->getName()));
}
//===----------------------------------------------------------------------===//