projects / gcc.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 64f07b6) | patch
re PR middle-end/52756 (255.vortex in SPEC CPU 2000 failed to build)
authorRichard Guenther <rguenther@suse.de>
Mon, 2 Apr 2012 15:13:45 +0000 (15:13 +0000)
committerRichard Biener <rguenth@gcc.gnu.org>
Mon, 2 Apr 2012 15:13:45 +0000 (15:13 +0000)
commit18ce81710c904b0c0e4029f681e58825205e10b6
tree12cfedd860ac2a60929d04de3b2faa9c19e70e6dtree
parent64f07b66421dde455fed25b2fe4f830b642baf50commit | diff
re PR middle-end/52756 (255.vortex in SPEC CPU 2000 failed to build)

2012-04-02  Richard Guenther  <rguenther@suse.de>

PR tree-optimization/52756
* tree-ssa-threadupdate.c (def_split_header_continue_p): New function.
(thread_through_loop_header): After threading through the loop latch
remove the split part from the loop and clear further threading
opportunities that would create a multiple entry loop.

* gcc.dg/torture/pr52756.c: New testcase.

From-SVN: r186085
gcc/ChangeLog diff | blob | history
gcc/testsuite/ChangeLog diff | blob | history
gcc/testsuite/gcc.dg/torture/pr52756.c [new file with mode: 0644] blob
gcc/tree-ssa-threadupdate.c diff | blob | history