https://gcc.gnu.org/bugzilla/show_bug.cgi?id=42646
Andrew Pinski changed:
What|Removed |Added
Keywords||missed-optimization
--- Comment #5 from
--- Comment #4 from rguenth at gcc dot gnu dot org 2010-01-08 11:52 ---
It just means that we shouldn't thread to the header but always to the latch
block. Note that this restriction should probably be restricted to the
threading before loop optimizations. Or the 1st jump threading sho
--- Comment #3 from joefoxreal at gmail dot com 2010-01-08 01:41 ---
Created an attachment (id=19505)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=19505&action=view)
the cfg of foo.c.080t.dom1
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42646
--- Comment #2 from joefoxreal at gmail dot com 2010-01-08 01:40 ---
Created an attachment (id=19504)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=19504&action=view)
the cfg of foo.c.079t.copyrename3
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42646
--- Comment #1 from joefoxreal at gmail dot com 2010-01-07 14:29 ---
Created an attachment (id=19498)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=19498&action=view)
cfg of the function foo
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42646
