[Bug tree-optimization/91180] [10 Regression] wrong code at -O and above with __builtin_memset()

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91180

Richard Biener  changed:

   What|Removed |Added

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

--- Comment #4 from Richard Biener  ---
Fixed.

[Bug tree-optimization/91180] [10 Regression] wrong code at -O and above with __builtin_memset()

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91180

--- Comment #3 from Richard Biener  ---
Author: rguenth
Date: Wed Jul 17 09:35:04 2019
New Revision: 273548

URL: https://gcc.gnu.org/viewcvs?rev=273548=gcc=rev
Log:
2019-07-17  Richard Biener  

PR tree-optimization/91180
* tree-ssa-sccvn.c (vn_reference_lookup_3): Fix offset
computation for memset partial defs.

* gcc.dg/torture/pr91180.c: New testcase.

Added:
trunk/gcc/testsuite/gcc.dg/torture/pr91180.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-sccvn.c

[Bug tree-optimization/91180] [10 Regression] wrong code at -O and above with __builtin_memset()

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91180

Martin Liška  changed:

   What|Removed |Added

 CC||marxin at gcc dot gnu.org

--- Comment #2 from Martin Liška  ---
Just for the record, started with r273194.

[Bug tree-optimization/91180] [10 Regression] wrong code at -O and above with __builtin_memset()

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91180

Richard Biener  changed:

   What|Removed |Added

   Priority|P3  |P1
 Status|UNCONFIRMED |ASSIGNED
   Last reconfirmed||2019-07-16
   Assignee|unassigned at gcc dot gnu.org  |rguenth at gcc dot 
gnu.org
   Target Milestone|--- |10.0
 Ever confirmed|0   |1

--- Comment #1 from Richard Biener  ---
Mine (partial def support).