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| author | Uros Bizjak <ubizjak@gmail.com> | 2008-02-11 09:27:00 +0100 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2008-02-11 08:27:00 +0000 |
| commit | a6e2d11207bc4d7bbaf07024724382f63848382b (patch) | |
| tree | edef1ecdf13bbb8fb78a6e4be799ab1a487a80db /gcc/tree-ssa-loop-im.c | |
| parent | 35f1ca2f842d52502504d29a378247dd72767f8a (diff) | |
| download | gcc-a6e2d11207bc4d7bbaf07024724382f63848382b.zip gcc-a6e2d11207bc4d7bbaf07024724382f63848382b.tar.gz gcc-a6e2d11207bc4d7bbaf07024724382f63848382b.tar.bz2 | |
re PR tree-optimization/33992 (Miscompiles function with inlining, breaks profiledbootstrap)
2008-02-11 Uros Bizjak <ubizjak@gmail.com>
Richard Guenther <rguenther@suse.de>
PR tree-optimization/33992
* tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
the zero we compare against.
* gcc.c-torture/execute/pr33992.c: New testcase.
Co-Authored-By: Richard Guenther <rguenther@suse.de>
From-SVN: r132234
Diffstat (limited to 'gcc/tree-ssa-loop-im.c')
| -rw-r--r-- | gcc/tree-ssa-loop-im.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/tree-ssa-loop-im.c b/gcc/tree-ssa-loop-im.c index 262ad97..cad1445 100644 --- a/gcc/tree-ssa-loop-im.c +++ b/gcc/tree-ssa-loop-im.c @@ -685,7 +685,12 @@ rewrite_bittest (block_stmt_iterator *bsi) stmt2 = build_gimple_modify_stmt (var, t); name = make_ssa_name (var, stmt2); GIMPLE_STMT_OPERAND (stmt2, 0) = name; + + /* Replace the SSA_NAME we compare against zero. Adjust + the type of zero accordingly. */ SET_USE (use, name); + TREE_OPERAND (COND_EXPR_COND (use_stmt), 1) + = build_int_cst_type (TREE_TYPE (name), 0); bsi_insert_before (bsi, stmt1, BSI_SAME_STMT); bsi_replace (bsi, stmt2, true); |