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Re: [PATCH] i386: Restore Skylake SImode hard register store cost
- From: Uros Bizjak <ubizjak at gmail dot com>
- To: "H.J. Lu" <hjl dot tools at gmail dot com>
- Cc: GCC Patches <gcc-patches at gcc dot gnu dot org>
- Date: Wed, 18 Sep 2019 21:42:16 +0200
- Subject: Re: [PATCH] i386: Restore Skylake SImode hard register store cost
- References: <CAMe9rOp+Ju8UWbF=RdoxBN0cZEDXo09ZEJAz=nb5wLcfYYS6yg@mail.gmail.com>
On Wed, Sep 18, 2019 at 8:06 PM H.J. Lu <hjl.tools@gmail.com> wrote:
>
> On Skylake, we should move integer register to SSE register without
> going through memory. This patch restores Skylake SImode hard register
> store cost to 6.
>
> gcc/
>
> PR target/90878
> * config/i386/x86-tune-costs.h (skylake_cost): Restore SImode
> hard register store cost to 6.
>
> gcc/testsuite/
>
> PR target/90878
> * gcc.target/i386/pr90878.c: New test.
>
> OK for trunk?
OK, as with your previous patch.
Thanks,
Uros.