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Re: [PATCH 2/3, x86] X86 Silvermont vector cost model tune
- From: Uros Bizjak <ubizjak at gmail dot com>
- To: Evgeny Stupachenko <evstupac at gmail dot com>
- Cc: "H.J. Lu" <hjl dot tools at gmail dot com>, GCC Patches <gcc-patches at gcc dot gnu dot org>, uros at gcc dot gnu dot org
- Date: Wed, 16 Apr 2014 09:58:42 +0200
- Subject: Re: [PATCH 2/3, x86] X86 Silvermont vector cost model tune
- Authentication-results: sourceware.org; auth=none
- References: <CAOvf_xxCs8B1WHUAHTx8HwC0bWw0rU8kiVqOX5tSAywAjYZ8AQ at mail dot gmail dot com>
On Tue, Apr 15, 2014 at 6:08 PM, Evgeny Stupachenko <evstupac@gmail.com> wrote:
> 2d part:
>
> 2014-04-15 Evgeny Stupachenko <evstupac@gmail.com>
>
> * config/i386/x86-tune.def (TARGET_SLOW_PHUFFB): Target for slow byte
> shuffle on some x86 architectures.
... (X86_TUNE_SLOW_PSHUFB): New tune definition.
Typo: TARGET_SLOW_PHUFFB -> TARGET_SLOW_PSHUFB.
> * config/i386/i386.h (TARGET_SLOW_PHUFFB): Ditto.
... : New tune flag.
> * config/i386/i386.c (expand_vec_perm_even_odd_1): Avoid byte shuffles
> in architectures where they are slow (TARGET_SLOW_PHUFFB).
...: Avoid byte shuffles for TARGET_SLOW_PSHUFB.
OK for mainline with the above ChangeLog modifications.
Thanks,
Uros.