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Re: [PATCH][ARM] Improve use of conditional execution in thumb mode.
On 14/02/12 18:01, Andrew Stubbs wrote:
> And again with the attachment.
> On Tue 14 Feb 2012 18:00:57 GMT, Andrew Stubbs wrote:
>> On Tue 14 Feb 2012 17:35:36 GMT, Richard Earnshaw wrote:
>>>> Bernds checked in a patch last year (or maybe even before that) to make
>>>> the selection of flags clobbered insns run very late (certainly after
>>>> condexec had run), so I'm not sure why you're not seeing this.
>>> Hm, you mentioned some peepholes. Try removing them....
>> Hmmm, it seems you're right. The machine reorg pass now takes care of
>> this. Well ... that was easy!
>> Here's a patch to remove the obsolete peepholes. I've confirmed it
>> works with the testcase.
>> 2012-02-14 Andrew Stubbs <firstname.lastname@example.org>
>> * config/arm/thumb2.md: Delete obsolete peepholes.
>> * gcc.target/arm/thumb-ifcvt.c: New test case.
s/obsolete peepholes/obsolete flag-clobbering peepholes/
Otherwise ok for stage1
The 'Similarly' that you delete suggests there might still be more of