diff options
| author | pinskia <pinskia@138bc75d-0d04-0410-961f-82ee72b054a4> | 2006-03-23 15:09:51 +0000 |
|---|---|---|
| committer | pinskia <pinskia@138bc75d-0d04-0410-961f-82ee72b054a4> | 2006-03-23 15:09:51 +0000 |
| commit | 4ae20934915625cf26c35cb6aecfaab79f32e9ff (patch) | |
| tree | a15b7188c2a8d962433579ec80cc1b8202e2f904 | |
| parent | 8b2453d4cde2005691903567259108180bf87ecf (diff) | |
| download | ppe42-gcc-4ae20934915625cf26c35cb6aecfaab79f32e9ff.tar.gz ppe42-gcc-4ae20934915625cf26c35cb6aecfaab79f32e9ff.zip | |
2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
PR tree-opt/26795
* tree-ssa-pre.c (create_value_expr_from): Don't reject
expressions which have overflowed constants.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@112319 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/tree-ssa-pre.c | 9 |
2 files changed, 6 insertions, 9 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 2a128c6bcac..3431ed81719 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2006-03-23 Andrew Pinski <pinskia@physics.uc.edu> + + PR tree-opt/26795 + * tree-ssa-pre.c (create_value_expr_from): Don't reject + expressions which have overflowed constants. + 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz> * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note. diff --git a/gcc/tree-ssa-pre.c b/gcc/tree-ssa-pre.c index e9256215c66..fc0dff5a2b8 100644 --- a/gcc/tree-ssa-pre.c +++ b/gcc/tree-ssa-pre.c @@ -2938,15 +2938,6 @@ create_value_expr_from (tree expr, basic_block block, tree stmt) if (op == NULL_TREE) continue; - /* If OP is a constant that has overflowed, do not value number - this expression. */ - if (CONSTANT_CLASS_P (op) - && TREE_OVERFLOW (op)) - { - pool_free (pool, vexpr); - return NULL; - } - /* Recursively value-numberize reference ops and tree lists. */ if (REFERENCE_CLASS_P (op)) { |
