[Bug tree-optimization/58508] [Missed-Optimization] Redundant vector load of actual loop invariant in loop body.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58508 Cong Hou congh at google dot com changed: What|Removed |Added Status|NEW |RESOLVED Resolution|--- |FIXED --- Comment #9 from Cong Hou congh at google dot com --- (In reply to congh from comment #8) Author: congh Date: Fri Nov 8 18:44:46 2013 New Revision: 204590 URL: http://gcc.gnu.org/viewcvs?rev=204590root=gccview=rev Log: 2013-11-08 Cong Hou co...@google.com PR tree-optimization/58508 * gcc.dg/vect/pr58508.c: Update. Modified: trunk/gcc/testsuite/ChangeLog trunk/gcc/testsuite/gcc.dg/vect/pr58508.c
[Bug tree-optimization/58508] [Missed-Optimization] Redundant vector load of actual loop invariant in loop body.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58508 --- Comment #8 from congh at gcc dot gnu.org --- Author: congh Date: Fri Nov 8 18:44:46 2013 New Revision: 204590 URL: http://gcc.gnu.org/viewcvs?rev=204590root=gccview=rev Log: 2013-11-08 Cong Hou co...@google.com PR tree-optimization/58508 * gcc.dg/vect/pr58508.c: Update. Modified: trunk/gcc/testsuite/ChangeLog trunk/gcc/testsuite/gcc.dg/vect/pr58508.c
[Bug tree-optimization/58508] [Missed-Optimization] Redundant vector load of actual loop invariant in loop body.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58508
--- Comment #6 from Bernd Edlinger bernd.edlinger at hotmail dot de ---
(In reply to Cong Hou from comment #5)
I guess I should add
/* { dg-require-effective-target vect_int } */
to the test case. It is right?
Yes.
[Bug tree-optimization/58508] [Missed-Optimization] Redundant vector load of actual loop invariant in loop body.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58508
--- Comment #7 from Cong Hou congh at google dot com ---
OK. I made a new patch to fix this problem. Waiting to be approved.
thanks,
Cong
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 9d0f4a5..3d9916d 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2013-10-29 Cong Hou co...@google.com
+
+ * gcc.dg/vect/pr58508.c: Update.
+
2013-10-15 Cong Hou co...@google.com
* gcc.dg/vect/pr58508.c: New test.
diff --git a/gcc/testsuite/gcc.dg/vect/pr58508.c
b/gcc/testsuite/gcc.dg/vect/pr58508.c
index 6484a65..fff7a04 100644
--- a/gcc/testsuite/gcc.dg/vect/pr58508.c
+++ b/gcc/testsuite/gcc.dg/vect/pr58508.c
@@ -1,3 +1,4 @@
+/* { dg-require-effective-target vect_int } */
/* { dg-do compile } */
/* { dg-options -O2 -ftree-vectorize -fdump-tree-vect-details } */
On Tue, Oct 29, 2013 at 6:50 AM, bernd.edlinger at hotmail dot de
gcc-bugzi...@gcc.gnu.org wrote:
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58508
--- Comment #6 from Bernd Edlinger bernd.edlinger at hotmail dot de ---
(In reply to Cong Hou from comment #5)
I guess I should add
/* { dg-require-effective-target vect_int } */
to the test case. It is right?
Yes.
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[Bug tree-optimization/58508] [Missed-Optimization] Redundant vector load of actual loop invariant in loop body.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58508
--- Comment #5 from Cong Hou congh at google dot com ---
I guess I should add
/* { dg-require-effective-target vect_int } */
to the test case. It is right?
[Bug tree-optimization/58508] [Missed-Optimization] Redundant vector load of actual loop invariant in loop body.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58508 Bernd Edlinger bernd.edlinger at hotmail dot de changed: What|Removed |Added CC||bernd.edlinger at hotmail dot de --- Comment #4 from Bernd Edlinger bernd.edlinger at hotmail dot de --- Hi, the test case is failing on a i686-pc-linux-gnu. Reason: by default the -msse2 is not enabled. If I add -msse2 to dg_options the test passes. Regards Bernd.
[Bug tree-optimization/58508] [Missed-Optimization] Redundant vector load of actual loop invariant in loop body.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58508 Richard Biener rguenth at gcc dot gnu.org changed: What|Removed |Added Keywords||missed-optimization Status|UNCONFIRMED |NEW Last reconfirmed||2013-09-24 Blocks||53947 Ever confirmed|0 |1 --- Comment #1 from Richard Biener rguenth at gcc dot gnu.org --- While the observation is correct, the fix is not. Please just emit the load on the preheader edge, like we do for other dt_external vectors we materialize.
