i386: Check vector length for scatter/gather prefetch instructions
authorH.J. Lu <hjl.tools@gmail.com>
Thu, 27 Jun 2019 20:39:19 +0000 (13:39 -0700)
committerH.J. Lu <hjl.tools@gmail.com>
Thu, 27 Jun 2019 20:39:32 +0000 (13:39 -0700)
commite395f487b3758b3de99fddd2ef15a799e9fc1203
treec4f2177a544c1c49c99d1dd05ee294250cb733cb
parent1b7f24cd6b4e96c64bf82eba06be2c48942699fa
i386: Check vector length for scatter/gather prefetch instructions

Since not all vector lengths are supported by scatter/gather prefetch
instructions, decode them only with supported vector lengths.

gas/

PR binutils/24719
* testsuite/gas/i386/disassem.s: Add test for vgatherpf0dps
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/24719
* i386-dis-evex-len.h: Add EVEX_LEN_0F38C6_REG_1_PREFIX_2,
EVEX_LEN_0F38C6_REG_2_PREFIX_2, EVEX_LEN_0F38C6_REG_5_PREFIX_2,
EVEX_LEN_0F38C6_REG_6_PREFIX_2, EVEX_LEN_0F38C7_R_1_P_2_W_0,
EVEX_LEN_0F38C7_R_1_P_2_W_1, EVEX_LEN_0F38C7_R_2_P_2_W_0,
EVEX_LEN_0F38C7_R_2_P_2_W_1, EVEX_LEN_0F38C7_R_5_P_2_W_0,
EVEX_LEN_0F38C7_R_5_P_2_W_1, EVEX_LEN_0F38C7_R_6_P_2_W_0 and
EVEX_LEN_0F38C7_R_6_P_2_W_1.
* i386-dis-evex-prefix.h: Update PREFIX_EVEX_0F38C6_REG_1,
PREFIX_EVEX_0F38C6_REG_2, PREFIX_EVEX_0F38C6_REG_5 and
PREFIX_EVEX_0F38C6_REG_6 entries.
* i386-dis-evex-w.h: Update EVEX_W_0F38C7_R_1_P_2,
EVEX_W_0F38C7_R_2_P_2, EVEX_W_0F38C7_R_5_P_2 and
EVEX_W_0F38C7_R_6_P_2 entries.
* i386-dis.c: Add EVEX_LEN_0F38C6_REG_1_PREFIX_2,
EVEX_LEN_0F38C6_REG_2_PREFIX_2, EVEX_LEN_0F38C6_REG_5_PREFIX_2,
EVEX_LEN_0F38C6_REG_6_PREFIX_2, EVEX_LEN_0F38C7_R_1_P_2_W_0,
EVEX_LEN_0F38C7_R_1_P_2_W_1, EVEX_LEN_0F38C7_R_2_P_2_W_0,
EVEX_LEN_0F38C7_R_2_P_2_W_1, EVEX_LEN_0F38C7_R_5_P_2_W_0,
EVEX_LEN_0F38C7_R_5_P_2_W_1, EVEX_LEN_0F38C7_R_6_P_2_W_0 and
EVEX_LEN_0F38C7_R_6_P_2_W_1 enums.
gas/ChangeLog
opcodes/ChangeLog
opcodes/i386-dis-evex-len.h
opcodes/i386-dis-evex-prefix.h
opcodes/i386-dis-evex-w.h
opcodes/i386-dis.c