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Re: [PATCH 6/9] x86: don't accept FI{LD,STP,STTP}LL in Intel syntax mode
On Wed, Mar 4, 2020 at 1:39 AM Jan Beulich <jbeulich@suse.com> wrote:
>
> As of commit dc2be329b950 ("i386: Only check suffix in instruction
> mnemonic") these have been accepted even with "qword ptr" operand size
> specifier, but in 64-bit mode they're now wrongly having a REX prefix
> (with REX.W set) emitted in this case. These aren't Intel syntax
> mnemonics, so rather than fixing code generation, let's simply reject
> them. As a result, the Qword attribute can then be dropped, too.
>
> opcodes/
> 2020-03-XX Jan Beulich <jbeulich@suse.com>
>
> * i386-opc.tbl (fildll, fistpll, fisttpll): Add ATTSyntax.
> * i386-tbl.h: Re-generate.
>
OK.
Thanks.
--
H.J.