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For long double constants, print an approximation of their value to the .s file to make it easier to read.

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llvm-svn: 46407
This commit is contained in:
Chris Lattner 2008-01-27 06:09:28 +00:00
parent aa553aa0c1
commit f93e3d7dd7
1 changed files with 6 additions and 2 deletions
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8
lib/CodeGen/AsmPrinter.cpp
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@ -939,10 +939,13 @@ void AsmPrinter::EmitGlobalConstant(const Constant *CV, bool Packed) {
// api needed to prevent premature destruction
APInt api = CFP->getValueAPF().convertToAPInt();
const uint64_t *p = api.getRawData();
APFloat DoubleVal = CFP->getValueAPF();
DoubleVal.convert(APFloat::IEEEdouble, APFloat::rmNearestTiesToEven);
if (TD->isBigEndian()) {
O << TAI->getData16bitsDirective() << uint16_t(p[0] >> 48)
<< "\t" << TAI->getCommentString()
<< " long double most significant halfword\n";
<< " long double most significant halfword of ~"
<< DoubleVal.convertToDouble() << "\n";
O << TAI->getData16bitsDirective() << uint16_t(p[0] >> 32)
<< "\t" << TAI->getCommentString()
<< " long double next halfword\n";
@ -958,7 +961,8 @@ void AsmPrinter::EmitGlobalConstant(const Constant *CV, bool Packed) {
} else {
O << TAI->getData16bitsDirective() << uint16_t(p[1])
<< "\t" << TAI->getCommentString()
<< " long double least significant halfword\n";
<< " long double least significant halfword of ~"
<< DoubleVal.convertToDouble() << "\n";
O << TAI->getData16bitsDirective() << uint16_t(p[0])
<< "\t" << TAI->getCommentString()
<< " long double next halfword\n";