[Bug target/55492] __atomic_load doesn't match ACQUIRE memory model

[rth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55492



--- Comment #5 from Richard Henderson <rth at gcc dot gnu.org> 2012-12-13 
21:16:50 UTC ---

Author: rth

Date: Thu Dec 13 21:16:45 2012

New Revision: 194490



URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=194490

Log:

PR middle-end/55492



        * optabs.c (expand_atomic_load): Emit acquire barrier after the load.



Modified:

    trunk/gcc/ChangeLog

    trunk/gcc/optabs.c