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authorRichard Biener <rguenther@suse.de>2016-01-15 11:49:43 +0000
committerRichard Biener <rguenth@gcc.gnu.org>2016-01-15 11:49:43 +0000
commit89483f9984c057366bca7f24920fa91637f1efdb (patch)
treec43194c1663e6cd9382734668ba65f849539ab3b /gcc
parent94619ed95ba0a31df9f9ec6532e6c8f4bcdbefaf (diff)
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re PR tree-optimization/68961 (Test case gcc.target/powerpc/pr60203.c fails since r231674)
2016-01-15 Richard Biener <rguenther@suse.de> PR tree-optimization/68961 * tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost of invariants in stores again. * gcc.dg/vect/costmodel/x86_64/costmodel-pr68961.c: New testcase. From-SVN: r232415
Diffstat (limited to 'gcc')
-rw-r--r--gcc/ChangeLog6
-rw-r--r--gcc/testsuite/ChangeLog5
-rw-r--r--gcc/testsuite/gcc.dg/vect/costmodel/x86_64/costmodel-pr68961.c15
-rw-r--r--gcc/tree-vect-slp.c16
4 files changed, 35 insertions, 7 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index e0da444..500ba65 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2016-01-15 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/68961
+ * tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost
+ of invariants in stores again.
+
2016-01-15 Sebastian Huber <sebastian.huber@embedded-brains.de>
* config/arm/t-rtems: Add cortex-m7/fpv5-d16 multilib.
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 456edf2..f8d58ce 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2016-01-15 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/68961
+ * gcc.dg/vect/costmodel/x86_64/costmodel-pr68961.c: New testcase.
+
2016-01-15 Ilya Enkovich <enkovich.gnu@gmail.com>
* gcc.target/i386/pr65105-5.c: New test.
diff --git a/gcc/testsuite/gcc.dg/vect/costmodel/x86_64/costmodel-pr68961.c b/gcc/testsuite/gcc.dg/vect/costmodel/x86_64/costmodel-pr68961.c
new file mode 100644
index 0000000..a88b148
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/vect/costmodel/x86_64/costmodel-pr68961.c
@@ -0,0 +1,15 @@
+/* { dg-do compile } */
+/* { dg-additional-options "-fdump-tree-slp-details" } */
+
+struct x { double d[2]; };
+
+struct x
+pack (double a, double aa)
+{
+ struct x u;
+ u.d[0] = a;
+ u.d[1] = aa;
+ return u;
+}
+
+/* { dg-final { scan-tree-dump-times "vectorization is not profitable" 1 "slp2" } } */
diff --git a/gcc/tree-vect-slp.c b/gcc/tree-vect-slp.c
index 161655a..fe422f8 100644
--- a/gcc/tree-vect-slp.c
+++ b/gcc/tree-vect-slp.c
@@ -1453,18 +1453,20 @@ vect_analyze_slp_cost_1 (slp_instance instance, slp_tree node,
/* Record the cost for the vector loads. */
vect_model_load_cost (stmt_info, ncopies_for_cost, false,
node, prologue_cost_vec, body_cost_vec);
+ return;
}
- return;
}
-
- record_stmt_cost (body_cost_vec, ncopies_for_cost, vector_stmt,
- stmt_info, 0, vect_body);
- if (SLP_TREE_TWO_OPERATORS (node))
+ else
{
record_stmt_cost (body_cost_vec, ncopies_for_cost, vector_stmt,
stmt_info, 0, vect_body);
- record_stmt_cost (body_cost_vec, ncopies_for_cost, vec_perm,
- stmt_info, 0, vect_body);
+ if (SLP_TREE_TWO_OPERATORS (node))
+ {
+ record_stmt_cost (body_cost_vec, ncopies_for_cost, vector_stmt,
+ stmt_info, 0, vect_body);
+ record_stmt_cost (body_cost_vec, ncopies_for_cost, vec_perm,
+ stmt_info, 0, vect_body);
+ }
}
/* Push SLP node def-type to stmts. */