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| author | Richard Biener <rguenther@suse.de> | 2016-05-20 09:09:28 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2016-05-20 09:09:28 +0000 |
| commit | eb066284cb8cdf7f46f455c3e975cf1b349a0487 (patch) | |
| tree | dd7c8a1e1fbcd874441ae5c7e87bc6a815ed0dd0 /gcc/tree-ssa-loop-prefetch.c | |
| parent | 58f10249a8182b1b038747113c2ba217d7bd4379 (diff) | |
| download | gcc-eb066284cb8cdf7f46f455c3e975cf1b349a0487.zip gcc-eb066284cb8cdf7f46f455c3e975cf1b349a0487.tar.gz gcc-eb066284cb8cdf7f46f455c3e975cf1b349a0487.tar.bz2 | |
re PR target/71185 (ice in gimplify_modify_expr, at gimplify.c:4873)
2016-05-20 Richard Biener <rguenther@suse.de>
PR tree-optimization/71185
* tree-ssa-loop-prefetch.c (gather_memory_references): Drop
register operations.
* gcc.dg/tree-ssa/pr71185.c: New testcase.
From-SVN: r236499
Diffstat (limited to 'gcc/tree-ssa-loop-prefetch.c')
| -rw-r--r-- | gcc/tree-ssa-loop-prefetch.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/tree-ssa-loop-prefetch.c b/gcc/tree-ssa-loop-prefetch.c index 49fd597..fb8c476 100644 --- a/gcc/tree-ssa-loop-prefetch.c +++ b/gcc/tree-ssa-loop-prefetch.c @@ -631,6 +631,9 @@ gather_memory_references (struct loop *loop, bool *no_other_refs, unsigned *ref_ continue; } + if (! gimple_vuse (stmt)) + continue; + lhs = gimple_assign_lhs (stmt); rhs = gimple_assign_rhs1 (stmt); |