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Re: [PATCH] Add X != !X pattern
- From: Andreas Schwab <schwab at suse dot de>
- To: Richard Biener <rguenther at suse dot de>
- Cc: James Greenhalgh <james dot greenhalgh at arm dot com>, Andrew Pinski <pinskia at gmail dot com>, GCC Patches <gcc-patches at gcc dot gnu dot org>
- Date: Wed, 05 Aug 2015 16:32:23 +0200
- Subject: Re: [PATCH] Add X != !X pattern
- Authentication-results: sourceware.org; auth=none
- References: <alpine dot LSU dot 2 dot 11 dot 1508041549270 dot 19642 at zhemvz dot fhfr dot qr> <mvmh9oet5cn dot fsf at hawking dot suse dot de> <alpine dot LSU dot 2 dot 11 dot 1508051213360 dot 19642 at zhemvz dot fhfr dot qr> <CA+=Sn1nSunXx2d_gwNQPY3uLN+QaCj=SoQns9QvZQ3Wf7ur47w at mail dot gmail dot com> <alpine dot LSU dot 2 dot 11 dot 1508051309190 dot 19642 at zhemvz dot fhfr dot qr> <20150805133256 dot GA24020 at arm dot com> <alpine dot LSU dot 2 dot 11 dot 1508051536370 dot 19642 at zhemvz dot fhfr dot qr> <alpine dot LSU dot 2 dot 11 dot 1508051545280 dot 19642 at zhemvz dot fhfr dot qr> <alpine dot LSU dot 2 dot 11 dot 1508051555030 dot 19642 at zhemvz dot fhfr dot qr>
Richard Biener <rguenther@suse.de> writes:
> For reference see below (testing on aarch64 appreciated).
>
> Bootstrap & regtest running on x86_64-unknown-linux-gnu.
>
> Richard.
>
> 2015-08-05 Richard Biener <rguenther@suse.de>
>
> * gimple-fold.c (gimple_fold_stmt_to_constant_1): Simplify
> bool comparison canonicalization and restrict to integers.
Fixes all regressions on aarch64.
Andreas.
--
Andreas Schwab, SUSE Labs, schwab@suse.de
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE 1748 E4D4 88E3 0EEA B9D7
"And now for something completely different."