http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55030
--- Comment #5 from Hans-Peter Nilsson <hp at gcc dot gnu.org> 2012-11-26 03:22:19 UTC --- Author: hp Date: Mon Nov 26 03:22:15 2012 New Revision: 193802 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=193802 Log: PR middle-end/55030 * builtins.c (expand_builtin_setjmp_receiver): Update comment regarding purpose of blockage. * emit-rtl.c [!HAVE_blockage] (gen_blockage): Similarly for the head comment. * rtlanal.c (volatile_insn_p): Ditto. * doc/md.texi (blockage): Update similarly. Change wording to require one of two forms, rather than implying a wider choice. * cse.c (cse_insn): Where checking for blocking insns, use volatile_insn_p instead of manual check for volatile ASM. * dse.c (scan_insn): Ditto. * cselib.c (cselib_process_insn): Ditto. Modified: trunk/gcc/ChangeLog trunk/gcc/builtins.c trunk/gcc/cse.c trunk/gcc/cselib.c trunk/gcc/doc/md.texi trunk/gcc/dse.c trunk/gcc/emit-rtl.c trunk/gcc/rtlanal.c