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| author | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-11-29 10:47:52 +0000 |
|---|---|---|
| committer | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-11-29 10:47:52 +0000 |
| commit | f01ca8b338ca9d4c7dd2f6c5bc0988364bbc2c7f (patch) | |
| tree | a064945a56e9e7e4a140d1ae80d9e2ca7d4c46cf | |
| parent | ea0695f9905c015547e1426511390f02228c2e06 (diff) | |
| download | ppe42-gcc-f01ca8b338ca9d4c7dd2f6c5bc0988364bbc2c7f.tar.gz ppe42-gcc-f01ca8b338ca9d4c7dd2f6c5bc0988364bbc2c7f.zip | |
2013-11-29 Richard Biener <rguenther@suse.de>
PR tree-optimization/59334
* tree-ssa-dce.c (eliminate_unnecessary_stmts): Fix bug
in previous commit.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@205515 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/tree-ssa-dce.c | 3 |
2 files changed, 8 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 035ab85fef4..fdd9485adcb 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2013-11-29 Richard Biener <rguenther@suse.de> + + PR tree-optimization/59334 + * tree-ssa-dce.c (eliminate_unnecessary_stmts): Fix bug + in previous commit. + 2013-11-29 Jakub Jelinek <jakub@redhat.com> Richard Biener <rguenther@suse.de> diff --git a/gcc/tree-ssa-dce.c b/gcc/tree-ssa-dce.c index e2177fed99c..8fc6fce3ec2 100644 --- a/gcc/tree-ssa-dce.c +++ b/gcc/tree-ssa-dce.c @@ -1200,7 +1200,8 @@ eliminate_unnecessary_stmts (void) if (TREE_CODE (ptr) == SSA_NAME) { gimple def_stmt = SSA_NAME_DEF_STMT (ptr); - if (!gimple_plf (def_stmt, STMT_NECESSARY)) + if (!gimple_nop_p (def_stmt) + && !gimple_plf (def_stmt, STMT_NECESSARY)) gimple_set_plf (stmt, STMT_NECESSARY, false); } } |
