[PATCH] x86: drop {X,Y,Z}MMWORD_MNEM_SUFFIX

H.J. Lu hjl.tools@gmail.com
Wed Mar 7 13:43:00 GMT 2018


On Wed, Mar 7, 2018 at 5:24 AM, Jan Beulich <JBeulich@suse.com> wrote:
> They aren't really useful (anymore?): The conflicting operand size check
> isn't applicable to any insn validly using respective memory operand
> sizes (and if they're used wrongly, another error would result), and the
> logic in process_suffix() can be easily changed to work without them.
>
> While re-structuring conditionals in process_suffix() also drop the
> CMPXCHG8B special case in favor of a NoRex64 attribute in the opcode
> table.
>
> gas/
> 2018-03-07  Jan Beulich  <jbeulich@suse.com>
>
>         * config/tc-i386.c (XMMWORD_MNEM_SUFFIX, YMMWORD_MNEM_SUFFIX,
>         ZMMWORD_MNEM_SUFFIX): Delete.
>         (process_suffix): Drop their uses. Re-arrange final part of
>         logic into a switch() statement. Drop special casing of
>         cmpxchg8b.
>
> opcodes/
> 2018-03-07  Jan Beulich  <jbeulich@suse.com>
>
>         * i386-opc.tbl (cmpxchg8b): Add NoRex64.
>         * i386-tlb.h: Re-generate.
>

OK.

Thanks.

-- 
H.J.



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