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| author | Richard Smith <richard-llvm@metafoo.co.uk> | 2012-08-24 23:29:28 +0000 |
|---|---|---|
| committer | Richard Smith <richard-llvm@metafoo.co.uk> | 2012-08-24 23:29:28 +0000 |
| commit | 1144af3c9b4da48cd581156e05b24261c8de366a (patch) | |
| tree | 49da576a97bfdab702528643450798baa54c790f /lib/Target/X86/Disassembler | |
| parent | cac59d8ae815596f4f6b77d1a5414c0591168ea5 (diff) | |
| download | external_llvm-1144af3c9b4da48cd581156e05b24261c8de366a.zip external_llvm-1144af3c9b4da48cd581156e05b24261c8de366a.tar.gz external_llvm-1144af3c9b4da48cd581156e05b24261c8de366a.tar.bz2 | |
Fix integer undefined behavior due to signed left shift overflow in LLVM.
Reviewed offline by chandlerc.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162623 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/X86/Disassembler')
| -rw-r--r-- | lib/Target/X86/Disassembler/X86DisassemblerDecoder.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Target/X86/Disassembler/X86DisassemblerDecoder.c b/lib/Target/X86/Disassembler/X86DisassemblerDecoder.c index 0c92912..c8d45ff 100644 --- a/lib/Target/X86/Disassembler/X86DisassemblerDecoder.c +++ b/lib/Target/X86/Disassembler/X86DisassemblerDecoder.c @@ -200,7 +200,7 @@ static void unconsumeByte(struct InternalInstruction* insn) { insn->readerCursor + offset); \ if (ret) \ return ret; \ - combined = combined | ((type)byte << ((type)offset * 8)); \ + combined = combined | ((uint64_t)byte << (offset * 8)); \ } \ *ptr = combined; \ insn->readerCursor += sizeof(type); \ |