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| author | Craig Topper <craig.topper@gmail.com> | 2011-09-26 05:12:43 +0000 |
|---|---|---|
| committer | Craig Topper <craig.topper@gmail.com> | 2011-09-26 05:12:43 +0000 |
| commit | 45faba98b436a4039635e245f118a3c3ee73e609 (patch) | |
| tree | 748c6e22c3e9c7b51c35cd4daf73efa1093993eb /llvm/lib/Target/X86/Disassembler/X86DisassemblerDecoder.c | |
| parent | 2d17ff466ee9ac1f7b81cea113e0d5afc7f8bf8b (diff) | |
| download | bcm5719-llvm-45faba98b436a4039635e245f118a3c3ee73e609.tar.gz bcm5719-llvm-45faba98b436a4039635e245f118a3c3ee73e609.zip | |
Fix VEX decoding in i386 mode. Fixes PR11008.
llvm-svn: 140515
Diffstat (limited to 'llvm/lib/Target/X86/Disassembler/X86DisassemblerDecoder.c')
| -rw-r--r-- | llvm/lib/Target/X86/Disassembler/X86DisassemblerDecoder.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/llvm/lib/Target/X86/Disassembler/X86DisassemblerDecoder.c b/llvm/lib/Target/X86/Disassembler/X86DisassemblerDecoder.c index 9e533451b01..ed2cb3f70af 100644 --- a/llvm/lib/Target/X86/Disassembler/X86DisassemblerDecoder.c +++ b/llvm/lib/Target/X86/Disassembler/X86DisassemblerDecoder.c @@ -391,7 +391,7 @@ static int readPrefixes(struct InternalInstruction* insn) { return -1; } - if (insn->mode == MODE_64BIT || byte1 & 0x8) { + if (insn->mode == MODE_64BIT || (byte1 & 0xc0) == 0xc0) { insn->vexSize = 3; insn->necessaryPrefixLocation = insn->readerCursor - 1; } @@ -433,7 +433,7 @@ static int readPrefixes(struct InternalInstruction* insn) { return -1; } - if (insn->mode == MODE_64BIT || byte1 & 0x8) { + if (insn->mode == MODE_64BIT || (byte1 & 0xc0) == 0xc0) { insn->vexSize = 2; } else { |
