* loop-doloop.c (doloop_modify): Pass doloop_end pattern to
gen_doloop_begin.
(doloop_optimize): Pass flag to indicate if loop is entered at top
to gen_doloop_end.
* config/arm/thumb2.md (doloop_end): Accept extra operand.
* config/bfin/bfin.md (doloop_end): Likewise.
* config/c6x/c6x.md (doloop_end): Likewise.
* config/ia64/ia64.md (doloop_end): Likewise.
* config/mep/mep.md (doloop_begin, doloop_end): Likewise.
* config/rs6000/rs6000.md (doloop_end): Likewise.
* config/s390/s390.md (doloop_end): Likewise.
* config/sh/sh.md (doloop_end): Likewise.
* config/spu/spu.md (doloop_end): Likewise.
* config/tilegx/tilegx.md (doloop_end): Likewise.
* config/tilepro/tilepro.md (doloop_end): Likewise.
* doc/md.texi (doloop_end): Document new operand.
* basic-block.h (contains_no_active_insn_p): Declare.
* cfgrtl.c (contains_no_active_insn_p): New function, factored
out of ...
(forwarder_block_p): ... here.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@192505
138bc75d-0d04-0410-961f-
82ee72b054a4