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* i386.h: Add comment regarding sse* insns and prefixes.

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Doug Evans 2009-02-06 23:14:34 +00:00
parent 18cbf1d394
commit eea6c2c9c3
2 changed files with 9 additions and 0 deletions
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include/opcode/ChangeLog
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@ -1,3 +1,7 @@
2009-02-06 Doug Evans <dje@google.com>
* i386.h: Add comment regarding sse* insns and prefixes.
2009-02-03 Sandip Matte <sandip@rmicorp.com>
* mips.h (INSN_XLR): Define.

5
include/opcode/i386.h
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@ -59,6 +59,11 @@
/* The opcode for the fwait instruction, which disassembler treats as a
prefix when it can. */
#define FWAIT_OPCODE 0x9b
/* Instruction prefixes.
NOTE: For certain SSE* instructions, 0x66,0xf2,0xf3 are treated as
part of the opcode. Other prefixes may still appear between them
and the 0x0f part of the opcode. */
#define ADDR_PREFIX_OPCODE 0x67
#define DATA_PREFIX_OPCODE 0x66
#define LOCK_PREFIX_OPCODE 0xf0