For long double constants, print an approximation of their value to the .s file to make it easier to read.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46407 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/AsmPrinter.cpp b/lib/CodeGen/AsmPrinter.cpp
index bb66bd2..7c4a8e1 100644
--- a/lib/CodeGen/AsmPrinter.cpp
+++ b/lib/CodeGen/AsmPrinter.cpp
@@ -939,10 +939,13 @@
// 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 @@
} 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";