[Bug tree-optimization/50414] [4.7 Regression] gfortran -Ofast SIGSEGV in store_constructor

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=50414
Bug 50414 depends on bug 63379, which changed state.

Bug 63379 Summary: [4.8 Regression] Incorrect vectorization when enabling SSE 
and O3, initialises loop with wrong value
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63379

   What|Removed |Added

 Status|ASSIGNED|RESOLVED
 Resolution|--- |FIXED

[Bug tree-optimization/50414] [4.7 Regression] gfortran -Ofast SIGSEGV in store_constructor

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50414

Richard Guenther  changed:

   What|Removed |Added

   Target Milestone|--- |4.7.0

[Bug tree-optimization/50414] [4.7 Regression] gfortran -Ofast SIGSEGV in store_constructor

[irar at il dot ibm.com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50414

Ira Rosen  changed:

   What|Removed |Added

 Status|ASSIGNED|RESOLVED
 Resolution||FIXED

--- Comment #6 from Ira Rosen  2011-09-18 11:43:29 UTC 
---
Fixed.

[Bug tree-optimization/50414] [4.7 Regression] gfortran -Ofast SIGSEGV in store_constructor

[irar at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50414

--- Comment #5 from irar at gcc dot gnu.org 2011-09-18 11:36:22 UTC ---
Author: irar
Date: Sun Sep 18 11:36:15 2011
New Revision: 178941

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=178941
Log:

PR tree-optimization/50414
* tree-vect-slp.c (vect_get_constant_vectors): Handle MAX_EXPR
and MIN_EXPR.


Added:
trunk/gcc/testsuite/gcc.dg/vect/no-scevccp-noreassoc-slp-reduc-7.c
trunk/gcc/testsuite/gfortran.dg/vect/Ofast-pr50414.f90
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/testsuite/gfortran.dg/vect/vect.exp
trunk/gcc/tree-vect-slp.c

[Bug tree-optimization/50414] [4.7 Regression] gfortran -Ofast SIGSEGV in store_constructor

[irar at il dot ibm.com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50414

Ira Rosen  changed:

   What|Removed |Added

 Status|NEW |ASSIGNED
 CC||irar at il dot ibm.com
 AssignedTo|unassigned at gcc dot   |irar at il dot ibm.com
   |gnu.org |

--- Comment #4 from Ira Rosen  2011-09-15 12:36:04 UTC 
---
Looks like a mix up in the order of stmts in reduction SLP node. I'll take a
better look next week.

[Bug tree-optimization/50414] [4.7 Regression] gfortran -Ofast SIGSEGV in store_constructor

[dominiq at lps dot ens.fr]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50414

--- Comment #3 from Dominique d'Humieres  2011-09-15 
11:27:35 UTC ---
> This is a regression that occurred between revisions 173852 (OK) and 175707
> (ICE). If needed, I'll be able to narrow the range later today.

173817 is OK
173917 gives the ICE

[Bug tree-optimization/50414] [4.7 Regression] gfortran -Ofast SIGSEGV in store_constructor

[dominiq at lps dot ens.fr]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50414

Dominique d'Humieres  changed:

   What|Removed |Added

Summary|gfortran -Ofast SIGSEGV in  |[4.7 Regression] gfortran
   |store_constructor   |-Ofast SIGSEGV in
   ||store_constructor

--- Comment #2 from Dominique d'Humieres  2011-09-15 
10:27:53 UTC ---
This is a regression that occurred between revisions 173852 (OK) and 175707
(ICE). If needed, I'll be able to narrow the range later today.