disas/i386.c: Handle tzcnt
Signed-off-by: Richard Henderson <rth@twiddle.net>
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12
disas/i386.c
12
disas/i386.c
@ -682,6 +682,7 @@ fetch_data(struct disassemble_info *info, bfd_byte *addr)
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#define PREGRP104 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 104 } }
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#define PREGRP105 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 105 } }
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#define PREGRP106 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 106 } }
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#define PREGRP107 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 107 } }
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#define X86_64_0 NULL, { { NULL, X86_64_SPECIAL }, { NULL, 0 } }
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#define X86_64_1 NULL, { { NULL, X86_64_SPECIAL }, { NULL, 1 } }
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@ -1247,7 +1248,7 @@ static const struct dis386 dis386_twobyte[] = {
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{ "ud2b", { XX } },
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{ GRP8 },
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{ "btcS", { Ev, Gv } },
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{ "bsfS", { Gv, Ev } },
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{ PREGRP107 },
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{ PREGRP36 },
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{ "movs{bR|x|bR|x}", { Gv, Eb } },
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{ "movs{wR|x|wR|x}", { Gv, Ew } }, /* yes, there really is movsww ! */
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@ -1431,7 +1432,7 @@ static const unsigned char twobyte_uses_REPZ_prefix[256] = {
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/* 80 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 8f */
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/* 90 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 9f */
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/* a0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* af */
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/* b0 */ 0,0,0,0,0,0,0,0,1,0,0,0,0,1,0,0, /* bf */
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/* b0 */ 0,0,0,0,0,0,0,0,1,0,0,0,1,1,0,0, /* bf */
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/* c0 */ 0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0, /* cf */
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/* d0 */ 0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0, /* df */
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/* e0 */ 0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0, /* ef */
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@ -2800,6 +2801,13 @@ static const struct dis386 prefix_user_table[][4] = {
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{ "shrxS", { Gv, Ev, Bv } },
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},
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/* PREGRP107 */
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{
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{ "bsfS", { Gv, Ev } },
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{ "tzcntS", { Gv, Ev } },
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{ "bsfS", { Gv, Ev } },
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{ "(bad)", { XX } },
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},
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};
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static const struct dis386 x86_64_table[][2] = {
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