disas/i386.c: Handle tzcnt

Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Richard Henderson 2016-11-16 12:22:15 +01:00
parent 0e28d0063b
commit f7749a3317

View File

@ -682,6 +682,7 @@ fetch_data(struct disassemble_info *info, bfd_byte *addr)
#define PREGRP104 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 104 } }
#define PREGRP105 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 105 } }
#define PREGRP106 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 106 } }
#define PREGRP107 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 107 } }
#define X86_64_0 NULL, { { NULL, X86_64_SPECIAL }, { NULL, 0 } }
#define X86_64_1 NULL, { { NULL, X86_64_SPECIAL }, { NULL, 1 } }
@ -1247,7 +1248,7 @@ static const struct dis386 dis386_twobyte[] = {
{ "ud2b", { XX } },
{ GRP8 },
{ "btcS", { Ev, Gv } },
{ "bsfS", { Gv, Ev } },
{ PREGRP107 },
{ PREGRP36 },
{ "movs{bR|x|bR|x}", { Gv, Eb } },
{ "movs{wR|x|wR|x}", { Gv, Ew } }, /* yes, there really is movsww ! */
@ -1431,7 +1432,7 @@ static const unsigned char twobyte_uses_REPZ_prefix[256] = {
/* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */
/* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 9f */
/* a0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* af */
/* b0 */ 0,0,0,0,0,0,0,0,1,0,0,0,0,1,0,0, /* bf */
/* b0 */ 0,0,0,0,0,0,0,0,1,0,0,0,1,1,0,0, /* bf */
/* c0 */ 0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0, /* cf */
/* d0 */ 0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0, /* df */
/* e0 */ 0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0, /* ef */
@ -2800,6 +2801,13 @@ static const struct dis386 prefix_user_table[][4] = {
{ "shrxS", { Gv, Ev, Bv } },
},
/* PREGRP107 */
{
{ "bsfS", { Gv, Ev } },
{ "tzcntS", { Gv, Ev } },
{ "bsfS", { Gv, Ev } },
{ "(bad)", { XX } },
},
};
static const struct dis386 x86_64_table[][2] = {