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switch ConstantFP emission to use MCStreamer, significantly

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simplifying the code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93988 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2010-01-20 06:53:37 +00:00
parent 5eaa54e210
commit 9ceff94447
1 changed files with 18 additions and 34 deletions
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52
lib/CodeGen/AsmPrinter/AsmPrinter.cpp
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@ -1124,8 +1124,7 @@ static void EmitGlobalConstantStruct(const ConstantStruct *CS,
void AsmPrinter::EmitGlobalConstantFP(const ConstantFP *CFP,
unsigned AddrSpace) {
// FP Constants are printed as integer constants to avoid losing
// precision...
const TargetData &TD = *TM.getTargetData();
// precision.
if (CFP->getType()->isDoubleTy()) {
if (VerboseAsm) {
double Val = CFP->getValueAPF().convertToDouble(); // for comment only
@ -1134,15 +1133,7 @@ void AsmPrinter::EmitGlobalConstantFP(const ConstantFP *CFP,
}
uint64_t i = CFP->getValueAPF().bitcastToAPInt().getZExtValue();
if (MAI->getData64bitsDirective(AddrSpace)) {
O << MAI->getData64bitsDirective(AddrSpace) << i << '\n';
} else if (TD.isBigEndian()) {
O << MAI->getData32bitsDirective(AddrSpace) << unsigned(i >> 32) << '\n';
O << MAI->getData32bitsDirective(AddrSpace) << unsigned(i) << '\n';
} else {
O << MAI->getData32bitsDirective(AddrSpace) << unsigned(i) << '\n';
O << MAI->getData32bitsDirective(AddrSpace) << unsigned(i >> 32) << '\n';
}
OutStreamer.EmitIntValue(i, 8, AddrSpace);
return;
}
@ -1152,8 +1143,8 @@ void AsmPrinter::EmitGlobalConstantFP(const ConstantFP *CFP,
O.PadToColumn(MAI->getCommentColumn());
O << MAI->getCommentString() << " float " << Val << '\n';
}
O << MAI->getData32bitsDirective(AddrSpace)
<< CFP->getValueAPF().bitcastToAPInt().getZExtValue() << '\n';
OutStreamer.EmitIntValue(CFP->getValueAPF().bitcastToAPInt().getZExtValue(),
4, AddrSpace);
return;
}
@ -1173,19 +1164,16 @@ void AsmPrinter::EmitGlobalConstantFP(const ConstantFP *CFP,
<< DoubleVal.convertToDouble() << '\n';
}
if (TD.isBigEndian()) {
O << MAI->getData16bitsDirective(AddrSpace) << uint16_t(p[1]) << '\n';
O << MAI->getData16bitsDirective(AddrSpace) << uint16_t(p[0] >> 48)<<'\n';
O << MAI->getData16bitsDirective(AddrSpace) << uint16_t(p[0] >> 32)<<'\n';
O << MAI->getData16bitsDirective(AddrSpace) << uint16_t(p[0] >> 16)<<'\n';
O << MAI->getData16bitsDirective(AddrSpace) << uint16_t(p[0]) <<'\n';
if (TM.getTargetData()->isBigEndian()) {
OutStreamer.EmitIntValue(p[1], 2, AddrSpace);
OutStreamer.EmitIntValue(p[0], 8, AddrSpace);
} else {
O << MAI->getData16bitsDirective(AddrSpace) << uint16_t(p[0]) << '\n';
O << MAI->getData16bitsDirective(AddrSpace) << uint16_t(p[0] >> 16)<<'\n';
O << MAI->getData16bitsDirective(AddrSpace) << uint16_t(p[0] >> 32)<<'\n';
O << MAI->getData16bitsDirective(AddrSpace) << uint16_t(p[0] >> 48)<<'\n';
O << MAI->getData16bitsDirective(AddrSpace) << uint16_t(p[1]) << '\n';
OutStreamer.EmitIntValue(p[0], 8, AddrSpace);
OutStreamer.EmitIntValue(p[1], 2, AddrSpace);
}
// Emit the tail padding for the long double.
const TargetData &TD = *TM.getTargetData();
OutStreamer.EmitZeros(TD.getTypeAllocSize(CFP->getType()) -
TD.getTypeStoreSize(CFP->getType()), AddrSpace);
return;
@ -1197,16 +1185,12 @@ void AsmPrinter::EmitGlobalConstantFP(const ConstantFP *CFP,
// premature destruction.
APInt API = CFP->getValueAPF().bitcastToAPInt();
const uint64_t *p = API.getRawData();
if (TD.isBigEndian()) {
O << MAI->getData32bitsDirective(AddrSpace) << uint32_t(p[0] >> 32)<<'\n';
O << MAI->getData32bitsDirective(AddrSpace) << uint32_t(p[0])<<'\n';
O << MAI->getData32bitsDirective(AddrSpace) << uint32_t(p[1] >> 32)<<'\n';
O << MAI->getData32bitsDirective(AddrSpace) << uint32_t(p[1])<<'\n';
} else {
O << MAI->getData32bitsDirective(AddrSpace) << uint32_t(p[1])<<'\n';
O << MAI->getData32bitsDirective(AddrSpace) << uint32_t(p[1] >> 32)<<'\n';
O << MAI->getData32bitsDirective(AddrSpace) << uint32_t(p[0])<<'\n';
O << MAI->getData32bitsDirective(AddrSpace) << uint32_t(p[0] >> 32)<<'\n';
if (TM.getTargetData()->isBigEndian()) {
OutStreamer.EmitIntValue(p[0], 8, AddrSpace);
OutStreamer.EmitIntValue(p[1], 8, AddrSpace);
} else {
OutStreamer.EmitIntValue(p[1], 8, AddrSpace);
OutStreamer.EmitIntValue(p[0], 8, AddrSpace);
}
}