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re PR middle-end/53073 (464.h264ref in SPEC CPU 2006 miscompiled)
authorRichard Biener <rguenther@suse.de>
Thu, 31 Jan 2013 09:00:54 +0000 (09:00 +0000)
committerRichard Biener <rguenth@gcc.gnu.org>
Thu, 31 Jan 2013 09:00:54 +0000 (09:00 +0000)
commit6e61611091c9446c62eb88c2257d5f43ad396fc2
treed6aeb452f86b1642240ab74d863ba99b6bd83792tree
parent636f59cfb37b743bf162e42d79e10385f44e0f9bcommit | diff
re PR middle-end/53073 (464.h264ref in SPEC CPU 2006 miscompiled)

2013-01-31  Richard Biener  <rguenther@suse.de>

PR middle-end/53073
* common.opt (faggressive-loop-optimizations): New flag,
enabled by default.
* doc/invoke.texi (faggressive-loop-optimizations): Document.
* tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop): Guard
infer_loop_bounds_from_undefined by it.

From-SVN: r195610
gcc/ChangeLog diff | blob | history
gcc/common.opt diff | blob | history
gcc/doc/invoke.texi diff | blob | history
gcc/tree-ssa-loop-niter.c diff | blob | history