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| author | H.J. Lu <hjl.tools@gmail.com> | 2018-04-04 04:36:44 -0700 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2018-04-04 04:36:44 -0700 |
| commit | caf0678c84b5b55fbc4bcc853954745a4ad8b658 (patch) | |
| tree | 659854869daa9b3293528a92e33aea9d6644bc65 /opcodes/i386-dis.c | |
| parent | 142b7a144b46af91cd59a41a8f87f5f3b0338cdf (diff) | |
| download | gdb-caf0678c84b5b55fbc4bcc853954745a4ad8b658.zip gdb-caf0678c84b5b55fbc4bcc853954745a4ad8b658.tar.gz gdb-caf0678c84b5b55fbc4bcc853954745a4ad8b658.tar.bz2 | |
i386: Clear vex instead of vex.evex
"vex" has many fields to control how to decode an instruction. Clear
all fields in "vex" before decoding an instruction to avoid using values
left from the previous instruction.
gas/
PR binutils/23025
* testsuite/gas/i386/prefix.s: Add tests for vcvtpd2dq with
VEX and EVEX prefixes.
* testsuite/gas/i386/prefix.d: Updated.
opcodes/
PR binutils/23025
* i386-dis.c (get_valid_dis386): Don't set vex.prefix nor vex.w
to 0.
(print_insn): Clear vex instead of vex.evex.
Diffstat (limited to 'opcodes/i386-dis.c')
| -rw-r--r-- | opcodes/i386-dis.c | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/opcodes/i386-dis.c b/opcodes/i386-dis.c index e5791c9..3e45d0e 100644 --- a/opcodes/i386-dis.c +++ b/opcodes/i386-dis.c @@ -12826,7 +12826,6 @@ get_valid_dis386 (const struct dis386 *dp, disassemble_info *info) switch ((*codep & 0x3)) { case 0: - vex.prefix = 0; break; case 1: vex.prefix = DATA_PREFIX_OPCODE; @@ -12891,7 +12890,6 @@ get_valid_dis386 (const struct dis386 *dp, disassemble_info *info) switch ((*codep & 0x3)) { case 0: - vex.prefix = 0; break; case 1: vex.prefix = DATA_PREFIX_OPCODE; @@ -12929,12 +12927,10 @@ get_valid_dis386 (const struct dis386 *dp, disassemble_info *info) /* For the 2-byte VEX prefix in 32-bit mode, the highest bit in VEX.vvvv is 1. */ vex.register_specifier = (~(*codep >> 3)) & 0xf; - vex.w = 0; vex.length = (*codep & 0x4) ? 256 : 128; switch ((*codep & 0x3)) { case 0: - vex.prefix = 0; break; case 1: vex.prefix = DATA_PREFIX_OPCODE; @@ -13009,7 +13005,6 @@ get_valid_dis386 (const struct dis386 *dp, disassemble_info *info) switch ((*codep & 0x3)) { case 0: - vex.prefix = 0; break; case 1: vex.prefix = DATA_PREFIX_OPCODE; @@ -13367,7 +13362,7 @@ print_insn (bfd_vma pc, disassemble_info *info) need_vex = 0; need_vex_reg = 0; vex_w_done = 0; - vex.evex = 0; + memset (&vex, 0, sizeof (vex)); if (dp->name == NULL && dp->op[0].bytemode == FLOATCODE) { |