Re: [PATCH] Vzeroupper placement/47440

[Uros Bizjak <ubizjak at gmail dot com>]

On Wed, Nov 7, 2012 at 8:03 AM, Uros Bizjak <ubizjak@gmail.com> wrote:

>>> >> OK for mainline SVN, please commit.
>>> > Checked into GCC trunk: http://gcc.gnu.org/ml/gcc-cvs/2012-11/msg00176.html
>>> >
>>> > Thanks, K
>>>
>>> This caused:
>>>
>>> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55224
>>
>> Not only that, it also broke --enable-checking=yes,rtl bootstrap.
>> SET_DEST isn't valid on CALL, but XEXP (call, 0) is a MEM anyway and
>> the code looks for reg, so I think looking for CALL was just a mistake.
>>
>> This fixes the bootstrap, ok for trunk?
>>
>> 2012-11-06  Jakub Jelinek  <jakub@redhat.com>
>>
>>         * config/i386/i386.c (ix86_avx_u128_mode_after): Don't
>>         look for reg in CALL operand.
>
> OK.

You can also break the loop after reg is found.

Uros.