diff options
| author | Sean Callanan <scallanan@apple.com> | 2010-10-22 01:24:11 +0000 |
|---|---|---|
| committer | Sean Callanan <scallanan@apple.com> | 2010-10-22 01:24:11 +0000 |
| commit | 751752e7caee441c0b50585c77637b36b048f235 (patch) | |
| tree | 8cffa6ff4d753128ecf867b1e58bc3bbfa4c03fa /lib/Target/X86/Disassembler/X86DisassemblerDecoder.c | |
| parent | 2172f3cd971d7446123f8bdc72b381adde0ea559 (diff) | |
Fixed handling of immediate operand sizes, which
weren't properly reflecting the OperandSize attribute
of the instruction leading to improper decoding of
certain instructions with the 66H prefix. Also added
a test case for this.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117084 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/X86/Disassembler/X86DisassemblerDecoder.c')
| -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 6c3ff6bd4a..22b38b9d7d 100644 --- a/lib/Target/X86/Disassembler/X86DisassemblerDecoder.c +++ b/lib/Target/X86/Disassembler/X86DisassemblerDecoder.c @@ -405,7 +405,7 @@ static int readPrefixes(struct InternalInstruction* insn) { insn->registerSize = (hasOpSize ? 2 : 4); insn->addressSize = (hasAdSize ? 2 : 4); insn->displacementSize = (hasAdSize ? 2 : 4); - insn->immediateSize = (hasAdSize ? 2 : 4); + insn->immediateSize = (hasOpSize ? 2 : 4); } else if (insn->mode == MODE_64BIT) { if (insn->rexPrefix && wFromREX(insn->rexPrefix)) { insn->registerSize = 8; |