diff options
| author | Jan Beulich <jbeulich@novell.com> | 2018-06-01 08:39:08 +0200 |
|---|---|---|
| committer | Jan Beulich <jbeulich@suse.com> | 2018-06-01 08:39:08 +0200 |
| commit | 4787f4a5860864337c4f1261713b9462b79ea16a (patch) | |
| tree | 3265bb62f7bc11d96537295d4e42e105a3514630 /gas | |
| parent | e0c7f900259ee54a6fdbc5d4103f30209dbec1bc (diff) | |
| download | gdb-4787f4a5860864337c4f1261713b9462b79ea16a.zip gdb-4787f4a5860864337c4f1261713b9462b79ea16a.tar.gz gdb-4787f4a5860864337c4f1261713b9462b79ea16a.tar.bz2 | |
x86: simplify control register check
... as is already done elsewhere: There's no need for the use of
operand_type_equal() here - the bit identifying control registers isn't
used for any other purposes.
Diffstat (limited to 'gas')
| -rw-r--r-- | gas/ChangeLog | 5 | ||||
| -rw-r--r-- | gas/config/tc-i386.c | 7 |
2 files changed, 7 insertions, 5 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog index 199a48d..fdf8b2b 100644 --- a/gas/ChangeLog +++ b/gas/ChangeLog @@ -1,5 +1,10 @@ 2018-06-01 Jan Beulich <jbeulich@suse.com> + * config/tc-i386.c (control): Delete. + (parse_real_register): Simply check "control" bit. Re-wrap. + +2018-06-01 Jan Beulich <jbeulich@suse.com> + * config/tc-i386.c (build_modrm_byte): Drop REX_B from condition checking for the need of emitting LOCK. Check "control" bit just once. diff --git a/gas/config/tc-i386.c b/gas/config/tc-i386.c index 3d04a83..07a4e11 100644 --- a/gas/config/tc-i386.c +++ b/gas/config/tc-i386.c @@ -1832,7 +1832,6 @@ operand_type_xor (i386_operand_type x, i386_operand_type y) static const i386_operand_type acc32 = OPERAND_TYPE_ACC32; static const i386_operand_type acc64 = OPERAND_TYPE_ACC64; -static const i386_operand_type control = OPERAND_TYPE_CONTROL; static const i386_operand_type inoutportreg = OPERAND_TYPE_INOUTPORTREG; static const i386_operand_type reg16_inoutportreg @@ -10274,10 +10273,8 @@ parse_real_register (char *reg_string, char **end_op) i.vec_encoding = vex_encoding_evex; } - if (((r->reg_flags & (RegRex64 | RegRex)) - || r->reg_type.bitfield.qword) - && (!cpu_arch_flags.bitfield.cpulm - || !operand_type_equal (&r->reg_type, &control)) + if (((r->reg_flags & (RegRex64 | RegRex)) || r->reg_type.bitfield.qword) + && (!cpu_arch_flags.bitfield.cpulm || !r->reg_type.bitfield.control) && flag_code != CODE_64BIT) return (const reg_entry *) NULL; |