http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47179
--- Comment #2 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-01-14 15:02:27 UTC --- Author: rguenth Date: Fri Jan 14 15:02:20 2011 New Revision: 168788 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=168788 Log: 2011-01-14 Richard Guenther <rguent...@suse.de> PR tree-optimization/47179 * target.def (ref_may_alias_errno): New target hook. * targhooks.h (default_ref_may_alias_errno): Declare. * targhooks.c: Include tree-ssa-alias.h and tree-flow.h. (default_ref_may_alias_errno): New function. * target.h (struct ao_ref_s): Declare. * tree-ssa-alias.c: Include target.h. (call_may_clobber_ref_p_1): Use the ref_may_alias_errno target hook. * Makefile.in (tree-ssa-alias.o): Adjust dependencies. (targhooks.o): Likewise. * doc/tm.texi.in (TARGET_REF_MAY_ALIAS_ERRNO): Document. * doc/tm.texi (TARGET_REF_MAY_ALIAS_ERRNO): Copy documentation. Modified: trunk/gcc/ChangeLog trunk/gcc/Makefile.in trunk/gcc/doc/tm.texi trunk/gcc/doc/tm.texi.in trunk/gcc/target.def trunk/gcc/target.h trunk/gcc/targhooks.c trunk/gcc/targhooks.h trunk/gcc/tree-ssa-alias.c