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| author | Craig Topper <craig.topper@gmail.com> | 2015-03-02 03:33:11 +0000 |
|---|---|---|
| committer | Craig Topper <craig.topper@gmail.com> | 2015-03-02 03:33:11 +0000 |
| commit | 9c26bcca5a09c226ec0d702e8e644ad71188d298 (patch) | |
| tree | 77f37ddd8bcfa2205cdab9e5b02f2efd759f5526 /llvm/lib | |
| parent | e2c9e645324d7df88b096121d94efdfbf72de035 (diff) | |
| download | bcm5719-llvm-9c26bcca5a09c226ec0d702e8e644ad71188d298.tar.gz bcm5719-llvm-9c26bcca5a09c226ec0d702e8e644ad71188d298.zip | |
[X86] There are only 8 mask registers. Fail disassembly if instruction tries to reference more.
llvm-svn: 230931
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/X86/Disassembler/X86DisassemblerDecoder.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/Disassembler/X86DisassemblerDecoder.cpp b/llvm/lib/Target/X86/Disassembler/X86DisassemblerDecoder.cpp index 619a0d4dd65..49e64032ad7 100644 --- a/llvm/lib/Target/X86/Disassembler/X86DisassemblerDecoder.cpp +++ b/llvm/lib/Target/X86/Disassembler/X86DisassemblerDecoder.cpp @@ -1458,6 +1458,8 @@ static int readModRM(struct InternalInstruction* insn) { case TYPE_VK1: \ case TYPE_VK8: \ case TYPE_VK16: \ + if (index > 7) \ + *valid = 0; \ return prefix##_K0 + index; \ case TYPE_MM64: \ return prefix##_MM0 + (index & 0x7); \ |
