[Bug tree-optimization/16427] dead memset not optimized away

2016-12-15 Thread law at redhat dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=16427 Jeffrey A. Law changed: What|Removed |Added Status|ASSIGNED|RESOLVED CC|

[Bug tree-optimization/16427] dead memset not optimized away

2011-03-09 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16427 --- Comment #5 from Richard Guenther rguenth at gcc dot gnu.org 2011-03-09 14:56:26 UTC --- Related to this is struct X { int i; int j; int k; }; void foo (void) { struct X a, b; __builtin_memcpy (a, b, 4); } where we are unable to DCE the

[Bug tree-optimization/16427] dead memset not optimized away

2010-06-09 Thread rguenth at gcc dot gnu dot org
--- Comment #4 from rguenth at gcc dot gnu dot org 2010-06-09 11:59 --- It's now optimized by RTL DSE but we keep the stack allocated. Re-confirmed on the tree-level. Should be easy to extend DSE to handle this. -- rguenth at gcc dot gnu dot org changed: What