diff options
| author | Dale Johannesen <dalej@apple.com> | 2009-03-23 21:16:53 +0000 |
|---|---|---|
| committer | Dale Johannesen <dalej@apple.com> | 2009-03-23 21:16:53 +0000 |
| commit | 1b25cb2416c46a6cebf2a6c52235e9fe46a10d11 (patch) | |
| tree | 70fbe0beb7dc9d7c44f2216bcc8cb4822f7460e5 /lib/Bitcode/Reader/BitcodeReader.cpp | |
| parent | ad20778705d7568eb5db8c5214d7e01ebc28dd8b (diff) | |
Fix internal representation of fp80 to be the
same as a normal i80 {low64, high16} rather
than its own {high64, low16}. A depressing number
of places know about this; I think I got them all.
Bitcode readers and writers convert back to the old
form to avoid breaking compatibility.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67562 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Bitcode/Reader/BitcodeReader.cpp')
| -rw-r--r-- | lib/Bitcode/Reader/BitcodeReader.cpp | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/lib/Bitcode/Reader/BitcodeReader.cpp b/lib/Bitcode/Reader/BitcodeReader.cpp index 299ce0b94a..69eadd9ee4 100644 --- a/lib/Bitcode/Reader/BitcodeReader.cpp +++ b/lib/Bitcode/Reader/BitcodeReader.cpp @@ -801,9 +801,13 @@ bool BitcodeReader::ParseConstants() { V = ConstantFP::get(APFloat(APInt(32, (uint32_t)Record[0]))); else if (CurTy == Type::DoubleTy) V = ConstantFP::get(APFloat(APInt(64, Record[0]))); - else if (CurTy == Type::X86_FP80Ty) - V = ConstantFP::get(APFloat(APInt(80, 2, &Record[0]))); - else if (CurTy == Type::FP128Ty) + else if (CurTy == Type::X86_FP80Ty) { + // Bits are not stored the same way as a normal i80 APInt, compensate. + uint64_t Rearrange[2]; + Rearrange[0] = (Record[1] & 0xffffLL) | (Record[0] << 16); + Rearrange[1] = Record[0] >> 48; + V = ConstantFP::get(APFloat(APInt(80, 2, Rearrange))); + } else if (CurTy == Type::FP128Ty) V = ConstantFP::get(APFloat(APInt(128, 2, &Record[0]), true)); else if (CurTy == Type::PPC_FP128Ty) V = ConstantFP::get(APFloat(APInt(128, 2, &Record[0]))); |