diff options
| author | Doug Evans <dje@google.com> | 2009-02-06 23:14:34 +0000 |
|---|---|---|
| committer | Doug Evans <dje@google.com> | 2009-02-06 23:14:34 +0000 |
| commit | e9073a2e083d941860355640391801ef6348007c (patch) | |
| tree | a084cc7b03979e896e929babe398119e31309d04 /include/opcode | |
| parent | 6f2bad6c505482623ae39733fca82ad82847e432 (diff) | |
| download | gdb-e9073a2e083d941860355640391801ef6348007c.tar.gz | |
* i386.h: Add comment regarding sse* insns and prefixes.
Diffstat (limited to 'include/opcode')
| -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 e256e6ebd5a..adf39400cf3 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 4311cd6401b..d60db76b7d6 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 |