[patch] Performance patch for MIPS conditional move in expr.c

[Andrew Pinski]

On Thu, Mar 7, 2013 at 7:12 AM, Jakub Jelinek <jakub@redhat.com> wrote:
> On Wed, Nov 14, 2012 at 02:22:33PM -0800, Andrew Pinski wrote:
>> commit 8ca1e58de404bbe82b93bc240ef28c68c681243d
>> Author: Andrew Pinski <apinski@cavium.com>
>> Date:   Thu Jul 26 18:09:34 2012 -0700
>>
>>     2012-07-26  Andrew Pinski  <apinski@cavium.com>
>>
>>       Bug #3261
>>       * config/mips/mips.md (*mov<GPR:mode>_on_<MOVECC:mode>):
>>       Remove mode check from comparisons.
>>       (*mov<SCALARF:mode>_on_<MOVECC:mode>): Likewise.
>>       (*mov<GPR:mode>_on_<GPR2:mode>_ne): New pattern to match
>>       when (ne A 0) can be just A.
>
> Why aren't you also adding a *mov<SCALARF:mode>_on_<GPR2:mode>_ne
> insn?

Most likely because I only tested performance of this patch on
soft-float and I did not notice a reason for it yet.

Thanks,
Andrew Pinski