* optabs.c (expand_abs_nojump): Update BRANCH_COST call.
	* fold-cost.c (LOGICAL_OP_NON_SHORT_CIRCUIT, fold_truthop): Likewise.
	* dojump.c (do_jump): Likewise.
	* ifcvt.c (MAX_CONDITIONAL_EXECUTE): Likewise.
	(note-if_info): Add BRANCH_COST.
	(noce_try_store_flag_constants, noce_try_addcc, noce_try_store_flag_mask,
	noce_try_cmove_arith, noce_try_cmove_arith, noce_try_cmove_arith,
	noce_find_if_block, find_if_case_1, find_if_case_2): Use compuated
	branch cost.
	* expr.h (BRANCH_COST): Update default.
	* predict.c (predictable_edge_p): New function.
	* expmed.c (expand_smod_pow2, expand_sdiv_pow2, emit_store_flag):
	Update BRANCH_COST call.
	* basic-block.h (predictable_edge_p): Declare.
	* config/alpha/alpha.h (BRANCH_COST): Update.
	* config/frv/frv.h (BRANCH_COST): Update.
	* config/s390/s390.h (BRANCH_COST): Update.
	* config/spu/spu.h (BRANCH_COST): Update.
	* config/sparc/sparc.h (BRANCH_COST): Update.
	* config/m32r/m32r.h (BRANCH_COST): Update.
	* config/i386/i386.h (BRANCH_COST): Update.
	* config/i386/i386.c (ix86_expand_int_movcc): Update use of BRANCH_COST.
	* config/sh/sh.h (BRANCH_COST): Update.
	* config/pdp11/pdp11.h (BRANCH_COST): Update.
	* config/avr/avr.h (BRANCH_COST): Update.
	* config/crx/crx.h (BRANCH_COST): Update.
	* config/xtensa/xtensa.h (BRANCH_COST): Update.
	* config/stormy16/stormy16.h (BRANCH_COST): Update.
	* config/m68hc11/m68hc11.h (BRANCH_COST): Update.
	* config/iq2000/iq2000.h (BRANCH_COST): Update.
	* config/ia64/ia64.h (BRANCH_COST): Update.
	* config/rs6000/rs6000.h (BRANCH_COST): Update.
	* config/arc/arc.h (BRANCH_COST): Update.
	* config/score/score.h (BRANCH_COST): Update.
	* config/arm/arm.h (BRANCH_COST): Update.
	* config/pa/pa.h (BRANCH_COST): Update.
	* config/mips/mips.h (BRANCH_COST): Update.
	* config/vax/vax.h (BRANCH_COST): Update.
	* config/h8300/h8300.h (BRANCH_COST): Update.
	* params.def (PARAM_PREDICTABLE_BRANCH_OUTCOME): New.
	* doc/invoke.texi (predictable-branch-cost-outcome): Document.
	* doc/tm.texi (BRANCH_COST): Update.

From-SVN: r139804