From f7749a3317fe02be9c57f4413d185c2ff643d634 Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Wed, 16 Nov 2016 12:22:15 +0100 Subject: disas/i386.c: Handle tzcnt Signed-off-by: Richard Henderson --- disas/i386.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) (limited to 'disas') diff --git a/disas/i386.c b/disas/i386.c index 57145d0a6b..07f871fd64 100644 --- a/disas/i386.c +++ b/disas/i386.c @@ -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] = { -- cgit v1.2.1