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| author | Cui, Lili <lili.cui@intel.com> | 2024-05-22 14:38:32 +0800 |
|---|---|---|
| committer | Cui, Lili <lili.cui@intel.com> | 2024-05-22 15:26:34 +0800 |
| commit | b757e3c1acbec5173f5ca04eb0cc7cfad7c7cb7e (patch) | |
| tree | c7dcc03f18d21371f1e54525282269bf7949d6ce | |
| parent | 559f8726e8d2e2eb054163b8f6f8b0bc5e4f400d (diff) | |
| download | binutils-b757e3c1acbec5173f5ca04eb0cc7cfad7c7cb7e.zip binutils-b757e3c1acbec5173f5ca04eb0cc7cfad7c7cb7e.tar.gz binutils-b757e3c1acbec5173f5ca04eb0cc7cfad7c7cb7e.tar.bz2 | |
X86: Remove "i.rex" to eliminate extra conditional branch
Resulting code will do better without the extra conditional branch.
Remove "i.rex" to eliminate extra conditional branch.
gas/ChangeLog:
* config/tc-i386.c (establish_rex): Remove i.rex.
| -rw-r--r-- | gas/config/tc-i386.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/gas/config/tc-i386.c b/gas/config/tc-i386.c index dc6d8bb..cb3d464 100644 --- a/gas/config/tc-i386.c +++ b/gas/config/tc-i386.c @@ -4308,7 +4308,7 @@ static void establish_rex (void) && (i.op[first].regs->reg_flags & RegRex64) != 0) || (i.types[last].bitfield.class == Reg && i.types[last].bitfield.byte && (i.op[last].regs->reg_flags & RegRex64) != 0)) - && !i.rex && !is_apx_rex2_encoding () && !is_any_vex_encoding (&i.tm)) + && !is_apx_rex2_encoding () && !is_any_vex_encoding (&i.tm)) i.rex |= REX_OPCODE; /* For REX/REX2/EVEX prefix instructions, we need to convert old registers |