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authorRichard Guenther <rguenther@suse.de>2010-02-19 15:42:31 +0000
committerRichard Biener <rguenth@gcc.gnu.org>2010-02-19 15:42:31 +0000
commitc7da0354531098a6827b42b00689e92ef61053cd (patch)
tree4b89e58bc0e9daefe49eba7bec41de25c0c6e3ec /gcc/tree-vect-slp.c
parente5dfb95fd7d79615a7d6a9573ea6d4aaa6c8d1bc (diff)
downloadgcc-c7da0354531098a6827b42b00689e92ef61053cd.tar.gz
re PR tree-optimization/42916 ("-fcompare-debug failure" with "-O1 -funroll-loops -ftree-vectorize")
2010-02-19 Richard Guenther <rguenther@suse.de> PR tree-optimization/42916 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real instructions. * gcc.dg/pr42916.c: New testcase. From-SVN: r156898
Diffstat (limited to 'gcc/tree-vect-slp.c')
-rw-r--r--gcc/tree-vect-slp.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/gcc/tree-vect-slp.c b/gcc/tree-vect-slp.c
index 5a11b84a953..ee4807a8034 100644
--- a/gcc/tree-vect-slp.c
+++ b/gcc/tree-vect-slp.c
@@ -1273,7 +1273,13 @@ vect_slp_analyze_bb (basic_block bb)
fprintf (vect_dump, "===vect_slp_analyze_bb===\n");
for (gsi = gsi_start_bb (bb); !gsi_end_p (gsi); gsi_next (&gsi))
- insns++;
+ {
+ gimple stmt = gsi_stmt (gsi);
+ if (!is_gimple_debug (stmt)
+ && !gimple_nop_p (stmt)
+ && !gimple_code (stmt) == GIMPLE_LABEL)
+ insns++;
+ }
if (insns > PARAM_VALUE (PARAM_SLP_MAX_INSNS_IN_BB))
{