Allow the asm printer to print fp128 values properly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171866 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/AsmPrinter/AsmPrinter.cpp b/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
index 9e43524..aa64698 100644
--- a/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
+++ b/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
@@ -1784,27 +1784,30 @@
return;
}
- if (CFP->getType()->isX86_FP80Ty()) {
+ if (CFP->getType()->isX86_FP80Ty() || CFP->getType()->isFP128Ty()) {
// all long double variants are printed as hex
// API needed to prevent premature destruction
APInt API = CFP->getValueAPF().bitcastToAPInt();
const uint64_t *p = API.getRawData();
if (AP.isVerbose()) {
// Convert to double so we can print the approximate val as a comment.
- APFloat DoubleVal = CFP->getValueAPF();
- bool ignored;
- DoubleVal.convert(APFloat::IEEEdouble, APFloat::rmNearestTiesToEven,
- &ignored);
- AP.OutStreamer.GetCommentOS() << "x86_fp80 ~= "
- << DoubleVal.convertToDouble() << '\n';
+ SmallString<8> StrVal;
+ CFP->getValueAPF().toString(StrVal);
+
+ const char *TyNote = CFP->getType()->isFP128Ty() ? "fp128 " : "x86_fp80 ";
+ AP.OutStreamer.GetCommentOS() << TyNote << StrVal << '\n';
}
+ // The 80-bit type is made of a 64-bit and 16-bit value, the 128-bit has 2
+ // 64-bit words.
+ uint32_t TrailingSize = CFP->getType()->isFP128Ty() ? 8 : 2;
+
if (AP.TM.getDataLayout()->isBigEndian()) {
- AP.OutStreamer.EmitIntValue(p[1], 2, AddrSpace);
+ AP.OutStreamer.EmitIntValue(p[1], TrailingSize, AddrSpace);
AP.OutStreamer.EmitIntValue(p[0], 8, AddrSpace);
} else {
AP.OutStreamer.EmitIntValue(p[0], 8, AddrSpace);
- AP.OutStreamer.EmitIntValue(p[1], 2, AddrSpace);
+ AP.OutStreamer.EmitIntValue(p[1], TrailingSize, AddrSpace);
}
// Emit the tail padding for the long double.