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| author | Craig Topper <craig.topper@gmail.com> | 2011-10-01 19:54:56 +0000 |
|---|---|---|
| committer | Craig Topper <craig.topper@gmail.com> | 2011-10-01 19:54:56 +0000 |
| commit | 88cb33e0d4683ac198d321c0aec06664dc48fa76 (patch) | |
| tree | 01fc060883de732e24c1d287a8a3c94978694b58 /llvm/lib/Target/X86/Disassembler/X86DisassemblerDecoderCommon.h | |
| parent | a88cb23da7f124ff89e389c844d7b93ca05ad5ee (diff) | |
| download | llvm-88cb33e0d4683ac198d321c0aec06664dc48fa76.zip llvm-88cb33e0d4683ac198d321c0aec06664dc48fa76.tar.gz llvm-88cb33e0d4683ac198d321c0aec06664dc48fa76.tar.bz2 | |
Fix disassembler handling of CRC32 which is an odd instruction that uses 0xf2 as an opcode extension and allows the opsize prefix. This necessitated adding IC_XD_OPSIZE and IC_64BIT_XD_OPSIZE contexts. Unfortunately, this increases the size of the disassembler tables. Fixes PR10702.
llvm-svn: 140954
Diffstat (limited to 'llvm/lib/Target/X86/Disassembler/X86DisassemblerDecoderCommon.h')
| -rw-r--r-- | llvm/lib/Target/X86/Disassembler/X86DisassemblerDecoderCommon.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/Disassembler/X86DisassemblerDecoderCommon.h b/llvm/lib/Target/X86/Disassembler/X86DisassemblerDecoderCommon.h index 70315ed..b1eef6c 100644 --- a/llvm/lib/Target/X86/Disassembler/X86DisassemblerDecoderCommon.h +++ b/llvm/lib/Target/X86/Disassembler/X86DisassemblerDecoderCommon.h @@ -81,12 +81,15 @@ enum attributeBits { "but not the operands") \ ENUM_ENTRY(IC_XS, 2, "may say something about the opcode " \ "but not the operands") \ + ENUM_ENTRY(IC_XD_OPSIZE, 3, "requires an OPSIZE prefix, so " \ + "operands change width") \ ENUM_ENTRY(IC_64BIT_REXW, 4, "requires a REX.W prefix, so operands "\ "change width; overrides IC_OPSIZE") \ ENUM_ENTRY(IC_64BIT_OPSIZE, 3, "Just as meaningful as IC_OPSIZE") \ ENUM_ENTRY(IC_64BIT_XD, 5, "XD instructions are SSE; REX.W is " \ "secondary") \ ENUM_ENTRY(IC_64BIT_XS, 5, "Just as meaningful as IC_64BIT_XD") \ + ENUM_ENTRY(IC_64BIT_XD_OPSIZE, 3, "Just as meaningful as IC_XD_OPSIZE") \ ENUM_ENTRY(IC_64BIT_REXW_XS, 6, "OPSIZE could mean a different " \ "opcode") \ ENUM_ENTRY(IC_64BIT_REXW_XD, 6, "Just as meaningful as " \ |