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| author | Sean Callanan <scallanan@apple.com> | 2011-02-02 01:09:02 +0000 |
|---|---|---|
| committer | Sean Callanan <scallanan@apple.com> | 2011-02-02 01:09:02 +0000 |
| commit | 26fc7858dbbfcbe09626aa237571a1adb97bb7d5 (patch) | |
| tree | 3b4d9b07de4d3df39482afb99b2397f57544b724 /llvm/lib/Target/X86/Disassembler/X86DisassemblerDecoder.c | |
| parent | d42641c6b5bde379cdd77d1906d87b907bd232e0 (diff) | |
| download | bcm5719-llvm-26fc7858dbbfcbe09626aa237571a1adb97bb7d5.tar.gz bcm5719-llvm-26fc7858dbbfcbe09626aa237571a1adb97bb7d5.zip | |
Fixed a bug in the disassembler where the mandatory 0x66
prefix would be misinterpreted in some cases on 32-bit
x86 platforms. Thanks to Olivier Meurant for identifying
the bug.
llvm-svn: 124709
Diffstat (limited to 'llvm/lib/Target/X86/Disassembler/X86DisassemblerDecoder.c')
| -rw-r--r-- | llvm/lib/Target/X86/Disassembler/X86DisassemblerDecoder.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/Disassembler/X86DisassemblerDecoder.c b/llvm/lib/Target/X86/Disassembler/X86DisassemblerDecoder.c index 7b17f1e5a3a..b6546fc9e86 100644 --- a/llvm/lib/Target/X86/Disassembler/X86DisassemblerDecoder.c +++ b/llvm/lib/Target/X86/Disassembler/X86DisassemblerDecoder.c @@ -388,6 +388,7 @@ static int readPrefixes(struct InternalInstruction* insn) { } } else { unconsumeByte(insn); + insn->necessaryPrefixLocation = insn->readerCursor - 1; } if (insn->mode == MODE_16BIT) { |
