diff options
| author | H.J. Lu <hjl@lucon.org> | 2006-12-14 20:13:27 +0000 |
|---|---|---|
| committer | H.J. Lu <hjl@lucon.org> | 2006-12-14 20:13:27 +0000 |
| commit | 287d6bdee887cd4139c3aee623bcb3514ea18c72 (patch) | |
| tree | 65dce94d5a1dda563844bb346436af22135d2a66 /opcodes | |
| parent | 15c454632dfc17bb5186043717470ebe5e6b286f (diff) | |
| download | gdb-287d6bdee887cd4139c3aee623bcb3514ea18c72.tar.gz | |
gas/testsuite/
2006-12-14 H.J. Lu <hongjiu.lu@intel.com>
* gas/i386/x86-64-inval.s: Add cmpxchg16b.
* gas/i386/x86_64.s: Likewise.
* gas/i386/x86-64-inval.l: Updated.
* gas/i386/x86_64.d: Likewise.
opcodes/
2006-12-14 H.J. Lu <hongjiu.lu@intel.com>
* i386-dis.c (CMPXCHG8B_Fixup): New.
(grps): Use CMPXCHG8B_Fixup for cmpxchg8b.
Diffstat (limited to 'opcodes')
| -rw-r--r-- | opcodes/ChangeLog | 5 | ||||
| -rw-r--r-- | opcodes/i386-dis.c | 17 |
2 files changed, 21 insertions, 1 deletions
diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog index 97fcec5168f..9bebc480cd2 100644 --- a/opcodes/ChangeLog +++ b/opcodes/ChangeLog @@ -1,3 +1,8 @@ +2006-12-14 H.J. Lu <hongjiu.lu@intel.com> + + * i386-dis.c (CMPXCHG8B_Fixup): New. + (grps): Use CMPXCHG8B_Fixup for cmpxchg8b. + 2006-12-11 H.J. Lu <hongjiu.lu@intel.com> * i386-dis.c (Eq): Replaced by ... diff --git a/opcodes/i386-dis.c b/opcodes/i386-dis.c index 8b6f532aabe..009d0f63589 100644 --- a/opcodes/i386-dis.c +++ b/opcodes/i386-dis.c @@ -104,6 +104,7 @@ static void INVLPG_Fixup (int, int); static void BadOp (void); static void VMX_Fixup (int, int); static void REP_Fixup (int, int); +static void CMPXCHG8B_Fixup (int, int); struct dis_private { /* Points to first byte not fetched. */ @@ -1638,7 +1639,7 @@ static const struct dis386 grps[][8] = { /* GRP9 */ { { "(bad)", XX, XX, XX, XX }, - { "cmpxchg8b", Mq, XX, XX, XX }, + { "cmpxchg8b", CMPXCHG8B_Fixup, q_mode, XX, XX, XX }, { "(bad)", XX, XX, XX, XX }, { "(bad)", XX, XX, XX, XX }, { "(bad)", XX, XX, XX, XX }, @@ -5767,3 +5768,17 @@ REP_Fixup (int bytemode, int sizeflag) break; } } + +static void +CMPXCHG8B_Fixup (int bytemode, int sizeflag) +{ + USED_REX (REX_MODE64); + if (rex & REX_MODE64) + { + /* Change cmpxchg8b to cmpxchg16b. */ + char *p = obuf + strlen (obuf) - 2; + strcpy (p, "16b"); + bytemode = x_mode; + } + OP_M (bytemode, sizeflag); +} |