i386: Check vector length for EVEX broadcast instructions
authorH.J. Lu <hjl.tools@gmail.com>
Wed, 19 Jun 2019 17:01:27 +0000 (10:01 -0700)
committerH.J. Lu <hjl.tools@gmail.com>
Wed, 19 Jun 2019 17:01:42 +0000 (10:01 -0700)
commitf0a6222e30215d4b8ecb8124fe5ad4c3f321f8c4
tree0289cdfb57d80bfe66802743cf666b2f21534cc2
parent8d6a48df549cce08ba1f05350f592be52352c7e8
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.
gas/ChangeLog
gas/testsuite/gas/i386/disassem.d
gas/testsuite/gas/i386/disassem.s
gas/testsuite/gas/i386/x86-64-disassem.d
gas/testsuite/gas/i386/x86-64-disassem.s
opcodes/ChangeLog
opcodes/i386-dis-evex.h
opcodes/i386-dis.c