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author | H.J. Lu <hjl.tools@gmail.com> | 2019-06-19 10:01:27 -0700 |
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committer | H.J. Lu <hjl.tools@gmail.com> | 2019-06-19 10:01:42 -0700 |
commit | f0a6222e30215d4b8ecb8124fe5ad4c3f321f8c4 (patch) | |
tree | 0289cdfb57d80bfe66802743cf666b2f21534cc2 /opcodes/i386-dis-evex.h | |
parent | 8d6a48df549cce08ba1f05350f592be52352c7e8 (diff) | |
download | gdb-f0a6222e30215d4b8ecb8124fe5ad4c3f321f8c4.zip gdb-f0a6222e30215d4b8ecb8124fe5ad4c3f321f8c4.tar.gz gdb-f0a6222e30215d4b8ecb8124fe5ad4c3f321f8c4.tar.bz2 |
i386: Check vector length for EVEX broadcast instructions
Since not all vector lengths are supported by EVEX broadcast instructions,
decode them only with supported vector lengths.
gas/
PR binutils/24700
* testsuite/gas/i386/disassem.s: Add test for vbroadcasti32x8
with invalid vector length.
* testsuite/gas/i386/x86-64-disassem.s: Likewise.
* testsuite/gas/i386/disassem.d: Updated.
* testsuite/gas/i386/x86-64-disassem.d: Likewise.
opcodes/
PR binutils/24700
* i386-dis-evex.h (evex_table): Update EVEX_W_0F3819_P_2,
EVEX_W_0F381A_P_2, EVEX_W_0F381B_P_2, EVEX_W_0F385A_P_2 and
EVEX_W_0F385B_P_2.
(evex_len_table): Add EVEX_LEN_0F3819_P_2_W_0,
EVEX_LEN_0F3819_P_2_W_1, EVEX_LEN_0F381A_P_2_W_0,
EVEX_LEN_0F381A_P_2_W_1, EVEX_LEN_0F381B_P_2_W_0,
EVEX_LEN_0F381B_P_2_W_1, EVEX_LEN_0F385A_P_2_W_0,
EVEX_LEN_0F385A_P_2_W_1, EVEX_LEN_0F385B_P_2_W_0 and
EVEX_LEN_0F385B_P_2_W_1.
* i386-dis.c (EVEX_LEN_0F3819_P_2_W_0): New enum.
(EVEX_LEN_0F3819_P_2_W_1): Likewise.
(EVEX_LEN_0F381A_P_2_W_0): Likewise.
(EVEX_LEN_0F381A_P_2_W_1): Likewise.
(EVEX_LEN_0F381B_P_2_W_0): Likewise.
(EVEX_LEN_0F381B_P_2_W_1): Likewise.
(EVEX_LEN_0F385A_P_2_W_0): Likewise.
(EVEX_LEN_0F385A_P_2_W_1): Likewise.
(EVEX_LEN_0F385B_P_2_W_0): Likewise.
(EVEX_LEN_0F385B_P_2_W_1): Likewise.
Diffstat (limited to 'opcodes/i386-dis-evex.h')
-rw-r--r-- | opcodes/i386-dis-evex.h | 90 |
1 files changed, 80 insertions, 10 deletions
diff --git a/opcodes/i386-dis-evex.h b/opcodes/i386-dis-evex.h index f34f8bc..e9a9d92 100644 --- a/opcodes/i386-dis-evex.h +++ b/opcodes/i386-dis-evex.h @@ -3568,18 +3568,18 @@ static const struct dis386 evex_table[][256] = { }, /* EVEX_W_0F3819_P_2 */ { - { "vbroadcastf32x2", { XM, EXxmm_mq }, 0 }, - { "vbroadcastsd", { XM, EXxmm_mq }, 0 }, + { EVEX_LEN_TABLE (EVEX_LEN_0F3819_P_2_W_0) }, + { EVEX_LEN_TABLE (EVEX_LEN_0F3819_P_2_W_1) }, }, /* EVEX_W_0F381A_P_2 */ { - { "vbroadcastf32x4", { XM, EXxmm }, 0 }, - { "vbroadcastf64x2", { XM, EXxmm }, 0 }, + { EVEX_LEN_TABLE (EVEX_LEN_0F381A_P_2_W_0) }, + { EVEX_LEN_TABLE (EVEX_LEN_0F381A_P_2_W_1) }, }, /* EVEX_W_0F381B_P_2 */ { - { "vbroadcastf32x8", { XM, EXxmmq }, 0 }, - { "vbroadcastf64x4", { XM, EXymm }, 0 }, + { EVEX_LEN_TABLE (EVEX_LEN_0F381B_P_2_W_0) }, + { EVEX_LEN_TABLE (EVEX_LEN_0F381B_P_2_W_1) }, }, /* EVEX_W_0F381E_P_2 */ { @@ -3739,13 +3739,13 @@ static const struct dis386 evex_table[][256] = { }, /* EVEX_W_0F385A_P_2 */ { - { "vbroadcasti32x4", { XM, EXxmm }, 0 }, - { "vbroadcasti64x2", { XM, EXxmm }, 0 }, + { EVEX_LEN_TABLE (EVEX_LEN_0F385A_P_2_W_0) }, + { EVEX_LEN_TABLE (EVEX_LEN_0F385A_P_2_W_1) }, }, /* EVEX_W_0F385B_P_2 */ { - { "vbroadcasti32x8", { XM, EXxmmq }, 0 }, - { "vbroadcasti64x4", { XM, EXymm }, 0 }, + { EVEX_LEN_TABLE (EVEX_LEN_0F385B_P_2_W_0) }, + { EVEX_LEN_TABLE (EVEX_LEN_0F385B_P_2_W_1) }, }, /* EVEX_W_0F3862_P_2 */ { @@ -4129,6 +4129,76 @@ static const struct dis386 evex_table[][256] = { { VEX_W_TABLE (EVEX_W_0FD6_P_2) }, }, + /* EVEX_LEN_0F3819_P_2_W_0 */ + { + { Bad_Opcode }, + { "vbroadcastf32x2", { XM, EXxmm_mq }, 0 }, + { "vbroadcastf32x2", { XM, EXxmm_mq }, 0 }, + }, + + /* EVEX_LEN_0F3819_P_2_W_1 */ + { + { Bad_Opcode }, + { "vbroadcastsd", { XM, EXxmm_mq }, 0 }, + { "vbroadcastsd", { XM, EXxmm_mq }, 0 }, + }, + + /* EVEX_LEN_0F381A_P_2_W_0 */ + { + { Bad_Opcode }, + { "vbroadcastf32x4", { XM, EXxmm }, 0 }, + { "vbroadcastf32x4", { XM, EXxmm }, 0 }, + }, + + /* EVEX_LEN_0F381A_P_2_W_1 */ + { + { Bad_Opcode }, + { "vbroadcastf64x2", { XM, EXxmm }, 0 }, + { "vbroadcastf64x2", { XM, EXxmm }, 0 }, + }, + + /* EVEX_LEN_0F381B_P_2_W_0 */ + { + { Bad_Opcode }, + { Bad_Opcode }, + { "vbroadcastf32x8", { XM, EXxmmq }, 0 }, + }, + + /* EVEX_LEN_0F381B_P_2_W_1 */ + { + { Bad_Opcode }, + { Bad_Opcode }, + { "vbroadcastf64x4", { XM, EXymm }, 0 }, + }, + + /* EVEX_LEN_0F385A_P_2_W_0 */ + { + { Bad_Opcode }, + { "vbroadcasti32x4", { XM, EXxmm }, 0 }, + { "vbroadcasti32x4", { XM, EXxmm }, 0 }, + }, + + /* EVEX_LEN_0F385A_P_2_W_1 */ + { + { Bad_Opcode }, + { "vbroadcasti64x2", { XM, EXxmm }, 0 }, + { "vbroadcasti64x2", { XM, EXxmm }, 0 }, + }, + + /* EVEX_LEN_0F385B_P_2_W_0 */ + { + { Bad_Opcode }, + { Bad_Opcode }, + { "vbroadcasti32x8", { XM, EXxmmq }, 0 }, + }, + + /* EVEX_LEN_0F385B_P_2_W_1 */ + { + { Bad_Opcode }, + { Bad_Opcode }, + { "vbroadcasti64x4", { XM, EXymm }, 0 }, + }, + /* EVEX_LEN_0F3A18_P_2_W_0 */ { { Bad_Opcode }, |