------- Comment #3 from ebotcazou at gcc dot gnu dot org 2007-10-22 19:28 ------- Subject: Bug 33644
Author: ebotcazou Date: Mon Oct 22 19:28:23 2007 New Revision: 129556 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=129556 Log: PR rtl-optimization/33644 * cfgcleanup.c: Do not include dce.h. * cfgrtl.c (delete_insn_chain_and_edges): Resurrect. * combine.c (distribute_notes): Delete REG_LIBCALL_ID case. * dce.c (something_changed): Delete. (libcall_dead_p): New predicate. (delete_unmarked_insns): Use it to delete dead libcalls. Deal with REG_LIBCALL and REG_RETVAL notes. (prescan_libcall_for_dce): New function. (prescan_insns_for_dce): Use it to deal with libcalls. (mark_reg_dependencies): Do nothing special for libcalls. (dce_process_block): Likewise. (fast_dce): Delete unused local variable. (run_fast_dce): Do not return a value. * dce.h (struct df): Delete. (run_fast_dce): Adjust prototype. * optabs.c (libcall_id): Delete. (maybe_encapsulate_block): Do not emit REG_LIBCALL_ID notes. (emit_no_conflict_block): Do not look for REG_LIBCALL_ID notes. * reload1.c (reload): Delete REG_LIBCALL_ID case. * rtl.h (delete_insn_chain_and_edges): Resurrect prototype. * see.c (see_update_relevancy): Look for REG_LIBCALL and REG_RETVAL notes instead of REG_LIBCALL_ID notes. * reg-notes.def (LIBCALL_ID): Delete. * Makefile.in (see.o): Add dce.h dependency. (cfgcleanup.o): Remove dce.h dependency. Added: trunk/gcc/testsuite/gcc.dg/pr33644.c Modified: trunk/gcc/ChangeLog trunk/gcc/Makefile.in trunk/gcc/cfgcleanup.c trunk/gcc/cfgrtl.c trunk/gcc/combine.c trunk/gcc/dce.c trunk/gcc/dce.h trunk/gcc/optabs.c trunk/gcc/reg-notes.def trunk/gcc/reload1.c trunk/gcc/rtl.h trunk/gcc/see.c trunk/gcc/testsuite/ChangeLog -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33644
