diff options
| -rw-r--r-- | include/opcode/ChangeLog | 4 | ||||
| -rw-r--r-- | include/opcode/i386.h | 5 |
2 files changed, 9 insertions, 0 deletions
diff --git a/include/opcode/ChangeLog b/include/opcode/ChangeLog index e256e6e..adf3940 100644 --- a/include/opcode/ChangeLog +++ b/include/opcode/ChangeLog @@ -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. diff --git a/include/opcode/i386.h b/include/opcode/i386.h index 4311cd6..d60db76 100644 --- a/include/opcode/i386.h +++ b/include/opcode/i386.h @@ -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 |