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| author | Dorit Nuzman <dorit@il.ibm.com> | 2007-12-27 19:14:17 +0000 |
|---|---|---|
| committer | Dorit Nuzman <dorit@gcc.gnu.org> | 2007-12-27 19:14:17 +0000 |
| commit | 0e1b778acf6dab2db1ebad5462ca265ed0e80a0b (patch) | |
| tree | acf3606362ec91614320b2551b69f585bca19988 | |
| parent | e608204146cd98bd8b8dcd0be1f6ae64f0fdabbd (diff) | |
| download | gcc-0e1b778acf6dab2db1ebad5462ca265ed0e80a0b.zip gcc-0e1b778acf6dab2db1ebad5462ca265ed0e80a0b.tar.gz gcc-0e1b778acf6dab2db1ebad5462ca265ed0e80a0b.tar.bz2 | |
re PR tree-optimization/34591 (internal compiler error: in cost_for_stmt, at tree-vect-transform.c:98)
PR tree-optimization/34591
* tree-vect-trasnform.c (vect_estimate_min_profitable_iters): Skip
stmts (including reduction stmts) that are not live.
From-SVN: r131206
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/vect/pr34591.c | 12 | ||||
| -rw-r--r-- | gcc/tree-vect-transform.c | 3 |
4 files changed, 25 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 996e715..8f4a3cf 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2007-12-27 Dorit Nuzman <dorit@il.ibm.com> + + PR tree-optimization/34591 + * tree-vect-trasnform.c (vect_estimate_min_profitable_iters): Skip + stmts (including reduction stmts) that are not live. + 2007-12-27 Jakub Jelinek <jakub@redhat.com> PR target/34281 diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index dd87ad9..207325a 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2007-12-27 Dorit Nuzman <dorit@il.ibm.com> + + PR tree-optimization/34591 + * gcc.dg/vect/pr34591.c: New test. + 2007-12-27 Thomas Koenig <tkoenig@gcc.gnu.org> PR libfortran/34594 diff --git a/gcc/testsuite/gcc.dg/vect/pr34591.c b/gcc/testsuite/gcc.dg/vect/pr34591.c new file mode 100644 index 0000000..1f02544 --- /dev/null +++ b/gcc/testsuite/gcc.dg/vect/pr34591.c @@ -0,0 +1,12 @@ +/* { dg-do compile } */ + +int av_resample(int filter_length, short *src, short *filter) +{ + int i; + int val=0; + for(i=0; i<filter_length; i++) + val += src[ i ] * filter[i]; + return val; +} + +/* { dg-final { cleanup-tree-dump "vect" } } */ diff --git a/gcc/tree-vect-transform.c b/gcc/tree-vect-transform.c index 6fe1d63..352939f 100644 --- a/gcc/tree-vect-transform.c +++ b/gcc/tree-vect-transform.c @@ -202,7 +202,8 @@ vect_estimate_min_profitable_iters (loop_vec_info loop_vinfo) stmt_vec_info stmt_info = vinfo_for_stmt (stmt); /* Skip stmts that are not vectorized inside the loop. */ if (!STMT_VINFO_RELEVANT_P (stmt_info) - && STMT_VINFO_DEF_TYPE (stmt_info) != vect_reduction_def) + && (!STMT_VINFO_LIVE_P (stmt_info) + || STMT_VINFO_DEF_TYPE (stmt_info) != vect_reduction_def)) continue; scalar_single_iter_cost += cost_for_stmt (stmt) * factor; vec_inside_cost += STMT_VINFO_INSIDE_OF_LOOP_COST (stmt_info) * factor; |