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| author | Tobias Grosser <grosser@fim.uni-passau.de> | 2012-05-24 15:59:06 +0000 |
|---|---|---|
| committer | Tobias Grosser <grosser@fim.uni-passau.de> | 2012-05-24 15:59:06 +0000 |
| commit | 057beb8d4fe8d5dad98ad80a49a649730c3a3eb0 (patch) | |
| tree | 48e33d7c92b9abb8e79b152d07fef085fcc9b061 /lib/AsmParser/LLLexer.cpp | |
| parent | 91bf23e6b7b9b4a00ebc73d4136a3b985581002a (diff) | |
Add half support to LLVM (for OpenCL)
Submitted by: Anton Lokhmotov <Anton.Lokhmotov@arm.com>
Approved by: o Anton Korobeynikov
o Micah Villmow
o David Neto
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157393 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/AsmParser/LLLexer.cpp')
| -rw-r--r-- | lib/AsmParser/LLLexer.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/lib/AsmParser/LLLexer.cpp b/lib/AsmParser/LLLexer.cpp index 8818168f64..e718069db2 100644 --- a/lib/AsmParser/LLLexer.cpp +++ b/lib/AsmParser/LLLexer.cpp @@ -673,11 +673,12 @@ lltok::Kind LLLexer::LexIdentifier() { /// HexFP80Constant 0xK[0-9A-Fa-f]+ /// HexFP128Constant 0xL[0-9A-Fa-f]+ /// HexPPC128Constant 0xM[0-9A-Fa-f]+ +/// HexHalfConstant 0xH[0-9A-Fa-f]+ lltok::Kind LLLexer::Lex0x() { CurPtr = TokStart + 2; char Kind; - if (CurPtr[0] >= 'K' && CurPtr[0] <= 'M') { + if (CurPtr[0] >= 'K' && CurPtr[0] <= 'M' || CurPtr[0] == 'H') { Kind = *CurPtr++; } else { Kind = 'J'; @@ -718,6 +719,9 @@ lltok::Kind LLLexer::Lex0x() { HexToIntPair(TokStart+3, CurPtr, Pair); APFloatVal = APFloat(APInt(128, Pair)); return lltok::APFloat; + case 'H': + APFloatVal = APFloat(APInt(16,HexIntToVal(TokStart+3, CurPtr))); + return lltok::APFloat; } } |