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| author | Craig Topper <craig.topper@gmail.com> | 2011-10-03 08:14:29 +0000 |
|---|---|---|
| committer | Craig Topper <craig.topper@gmail.com> | 2011-10-03 08:14:29 +0000 |
| commit | 0d0be47d03b7566785945a8d31c5432cb9150fca (patch) | |
| tree | 10c4c1e7c955691bc2d6e014182d94492afa0e64 /llvm/lib/Target/X86/Disassembler/X86DisassemblerDecoder.c | |
| parent | 2c5e91e2e571e9c69e279988f24549f331e4ae69 (diff) | |
| download | bcm5719-llvm-0d0be47d03b7566785945a8d31c5432cb9150fca.tar.gz bcm5719-llvm-0d0be47d03b7566785945a8d31c5432cb9150fca.zip | |
Treat VEX.vvvv as a 3-bit field outside of 64-bit mode. Prevents access to registers xmm8-xmm15 outside 64-bit mode.
llvm-svn: 140997
Diffstat (limited to 'llvm/lib/Target/X86/Disassembler/X86DisassemblerDecoder.c')
| -rw-r--r-- | llvm/lib/Target/X86/Disassembler/X86DisassemblerDecoder.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/Disassembler/X86DisassemblerDecoder.c b/llvm/lib/Target/X86/Disassembler/X86DisassemblerDecoder.c index 1d5ad4c052d..a1eb57c78f3 100644 --- a/llvm/lib/Target/X86/Disassembler/X86DisassemblerDecoder.c +++ b/llvm/lib/Target/X86/Disassembler/X86DisassemblerDecoder.c @@ -1491,6 +1491,9 @@ static int readVVVV(struct InternalInstruction* insn) { else return -1; + if (insn->mode != MODE_64BIT) + insn->vvvv &= 0x7; + return 0; } |
