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| author | Richard Guenther <rguenther@suse.de> | 2012-05-21 10:46:19 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2012-05-21 10:46:19 +0000 |
| commit | 8450aa972070a05e257ac8845b99481d5fa61090 (patch) | |
| tree | a77de3b81e20c024d21b4b08032b956431e6ca31 /gcc/tree-loop-distribution.c | |
| parent | 6be4d3acd04120f034d168352fea8910508a6b75 (diff) | |
| download | gcc-8450aa972070a05e257ac8845b99481d5fa61090.zip gcc-8450aa972070a05e257ac8845b99481d5fa61090.tar.gz gcc-8450aa972070a05e257ac8845b99481d5fa61090.tar.bz2 | |
tree-loop-distribution.c (can_generate_builtin): Reject volatile stmts.
2012-05-21 Richard Guenther <rguenther@suse.de>
* tree-loop-distribution.c (can_generate_builtin): Reject
volatile stmts.
* gcc.dg/torture/ldist-1.c: New testcase.
From-SVN: r187707
Diffstat (limited to 'gcc/tree-loop-distribution.c')
| -rw-r--r-- | gcc/tree-loop-distribution.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/gcc/tree-loop-distribution.c b/gcc/tree-loop-distribution.c index d7506e6..f4b03bd 100644 --- a/gcc/tree-loop-distribution.c +++ b/gcc/tree-loop-distribution.c @@ -822,8 +822,10 @@ can_generate_builtin (struct graph *rdg, bitmap partition) nb_reads++; else if (RDG_MEM_WRITE_STMT (rdg, i)) { + gimple stmt = RDG_STMT (rdg, i); nb_writes++; - if (stmt_with_adjacent_zero_store_dr_p (RDG_STMT (rdg, i))) + if (!gimple_has_volatile_ops (stmt) + && stmt_with_adjacent_zero_store_dr_p (stmt)) stores_zero++; } |