[Bug target/50123] cmpxchg generated for atomic and with zero/or with -1

2013-11-19 Thread glisse at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50123 --- Comment #3 from Marc Glisse glisse at gcc dot gnu.org --- Is this fixed or do we want a tree-level optimization replacing one builtin with a simpler one?

[Bug target/50123] cmpxchg generated for atomic and with zero/or with -1

2013-11-19 Thread bonzini at gnu dot org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50123 Paolo Bonzini bonzini at gnu dot org changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED

[Bug target/50123] cmpxchg generated for atomic and with zero/or with -1

2011-11-29 Thread amacleod at redhat dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50123 --- Comment #2 from Andrew Macleod amacleod at redhat dot com 2011-11-29 19:42:50 UTC --- Author: amacleod Date: Tue Nov 29 19:42:44 2011 New Revision: 181815 URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=181815 Log: 2011-11-29 Andrew

[Bug target/50123] cmpxchg generated for atomic and with zero/or with -1

2011-08-19 Thread jakub at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50123 Jakub Jelinek jakub at gcc dot gnu.org changed: What|Removed |Added CC||aldyh at gcc dot