[Bug tree-optimization/56933] [4.9 Regression] Vectorizer missing read-write dependency for interleaved accesses

2013-08-29 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56933 --- Comment #8 from Richard Biener --- (In reply to Bernd Edlinger from comment #7) > Created attachment 30712 [details] > fixed test case > > Looking deeper into the matter it seems like this an example > where vectorisation is not supposed to h

[Bug tree-optimization/56933] [4.9 Regression] Vectorizer missing read-write dependency for interleaved accesses

2013-08-28 Thread bernd.edlinger at hotmail dot de
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56933 --- Comment #7 from Bernd Edlinger --- Created attachment 30712 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30712&action=edit fixed test case Looking deeper into the matter it seems like this an example where vectorisation is not supposed

[Bug tree-optimization/56933] [4.9 Regression] Vectorizer missing read-write dependency for interleaved accesses

2013-08-27 Thread bernd.edlinger at hotmail dot de
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56933 --- Comment #6 from Bernd Edlinger --- (In reply to Jakub Jelinek from comment #5) > (In reply to Bernd Edlinger from comment #4) > The test case > gcc.dg/vect/pr56933.c fails on a pentium II, > because of invalid > instruction. > > A fairly obvi

[Bug tree-optimization/56933] [4.9 Regression] Vectorizer missing read-write dependency for interleaved accesses

2013-08-27 Thread jakub at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56933 Jakub Jelinek changed: What|Removed |Added CC||jakub at gcc dot gnu.org --- Comment #5 f

[Bug tree-optimization/56933] [4.9 Regression] Vectorizer missing read-write dependency for interleaved accesses

2013-08-27 Thread bernd.edlinger at hotmail dot de
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56933 Bernd Edlinger changed: What|Removed |Added CC||bernd.edlinger at hotmail dot de --- Co

[Bug tree-optimization/56933] [4.9 Regression] Vectorizer missing read-write dependency for interleaved accesses

2013-04-15 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56933 Richard Biener changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|

[Bug tree-optimization/56933] [4.9 Regression] Vectorizer missing read-write dependency for interleaved accesses

2013-04-15 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56933 --- Comment #2 from Richard Biener 2013-04-15 11:18:43 UTC --- /* { dg-do run } */ extern void abort (void); void __attribute__((noinline,noclone)) foo (double *b, double *d, double *f) { int i; for (i = 0; i < 1024; i++) {

[Bug tree-optimization/56933] [4.9 Regression] Vectorizer missing read-write dependency for interleaved accesses

2013-04-15 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56933 Richard Biener changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed|