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| author | Ira Rosen <ira.rosen@linaro.org> | 2011-05-31 12:31:04 +0000 |
|---|---|---|
| committer | Ira Rosen <irar@gcc.gnu.org> | 2011-05-31 12:31:04 +0000 |
| commit | 8f7de592d33e84831f3122a7f27ca05c7d308c69 (patch) | |
| tree | c62c699cd03a0617508a60b9be36816b8cff5f73 /gcc/tree-vect-data-refs.c | |
| parent | 8d8a3bda40b0fa5aeb801287f0e2e79affe26c54 (diff) | |
| download | gcc-8f7de592d33e84831f3122a7f27ca05c7d308c69.zip gcc-8f7de592d33e84831f3122a7f27ca05c7d308c69.tar.gz gcc-8f7de592d33e84831f3122a7f27ca05c7d308c69.tar.bz2 | |
re PR tree-optimization/49093 (ICE in vect_enhance_data_refs_alignment() with volatile inside peeled loop)
PR tree-optimization/49093
* tree-vect-data-refs.c (vect_analyze_data_refs): Fail for
volatile data references.
From-SVN: r174477
Diffstat (limited to 'gcc/tree-vect-data-refs.c')
| -rw-r--r-- | gcc/tree-vect-data-refs.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/gcc/tree-vect-data-refs.c b/gcc/tree-vect-data-refs.c index ee05997..5023710 100644 --- a/gcc/tree-vect-data-refs.c +++ b/gcc/tree-vect-data-refs.c @@ -2584,6 +2584,16 @@ vect_analyze_data_refs (loop_vec_info loop_vinfo, return false; } + if (TREE_THIS_VOLATILE (DR_REF (dr))) + { + if (vect_print_dump_info (REPORT_UNVECTORIZED_LOCATIONS)) + { + fprintf (vect_dump, "not vectorized: volatile type "); + print_gimple_stmt (vect_dump, stmt, 0, TDF_SLIM); + } + return false; + } + base = unshare_expr (DR_BASE_ADDRESS (dr)); offset = unshare_expr (DR_OFFSET (dr)); init = unshare_expr (DR_INIT (dr)); |