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[Bug target/64180] PowerPC carry bit improvements
- From: "segher at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 10 Dec 2014 18:31:46 +0000
- Subject: [Bug target/64180] PowerPC carry bit improvements
- Auto-submitted: auto-generated
- References: <bug-64180-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64180
--- Comment #4 from Segher Boessenkool <segher at gcc dot gnu.org> ---
Author: segher
Date: Wed Dec 10 18:31:15 2014
New Revision: 218591
URL: https://gcc.gnu.org/viewcvs?rev=218591&root=gcc&view=rev
Log:
PR target/64180
* config/rs6000/rs6000.md (*ctr<mode>_internal1, *ctr<mode>_internal2,
*ctr<mode>_internal5, *ctr<mode>_internal6): Change "r" alternatives
to "b". Increase length.
(splitters for these): Split to cmp+addi instead of addic.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/config/rs6000/rs6000.md