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PR rtl-optimization/51924
authorebotcazou <ebotcazou@138bc75d-0d04-0410-961f-82ee72b054a4>
Sun, 22 Jan 2012 14:35:39 +0000 (14:35 +0000)
committerebotcazou <ebotcazou@138bc75d-0d04-0410-961f-82ee72b054a4>
Sun, 22 Jan 2012 14:35:39 +0000 (14:35 +0000)
commit4a77f173f5669858966e37bbd313af1ce381a273
tree5e8be93a1ed7e5ab1d8f77ae6ad3c77be61ad195
parent45e74a244a3323236688277783c2fc5d56ad38ef
PR rtl-optimization/51924
* ree.c (combine_set_extension): Improve debugging message.
(combine_reaching_defs): Likewise.
(get_defs): Rename confusingly named variable.
(find_and_remove_re): Skip a candidate if the extension expression has
been modified.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@183390 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/ChangeLog
gcc/ree.c
gcc/testsuite/ChangeLog
gcc/testsuite/gcc.dg/ext-elim-1.c [new file with mode: 0644]