egcs/gcc ChangeLog basic-block.h hard-reg-set. ...

[m dot hayes at gcc dot gnu dot org]

CVSROOT:	/cvs/gcc
Module name:	egcs
Changes by:	m.hayes@gcc.gnu.org	2001-01-07 02:38:30

Modified files:
	gcc            : ChangeLog basic-block.h hard-reg-set.h loop.h 
	                 loop.c unroll.c 

Log message:
	* hard-reg-set.h: Add multiple include guard.
	* basic-block.h (struct loop): Add `sink' field.
	* loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
	(emit_iv_add_mult): Delete.
	(loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
	(loop_iv_add_mult_emit_before, loop_insn_sink): Define.
	(unroll_loop): Remove end_insert_before argument.
	* loop.c (loop_givs_rescan): Remove end_insert_before argument.
	(maybe_eliminate_biv_1): Likewise.
	(emit_iv_add_mult): Delete.
	(gen_add_mult, loop_regs_update): New.
	(loop_insn_emit_after, loop_insn_emit_before): New.
	(loop_insn_sink, loop_insn_sink_or_swim): New.
	(emit_iv_add_mult): Delete.
	(scan_loop): Set loop->sink.
	(loop_givs_reduce): Use loop_insn_sink and its ilk.
	(loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
	(maybe_eliminate_biv_1): Likewise.
	(maybe_eliminate_biv_1): Add basic block argument.
	* unroll.c (unroll_loop): Remove end_insert_before argument.
	(find_splittable_regs): Likewise.
	(find_splittable_regs): Use loop_insn_sink and its ilk.
	(find_splittable_givs, final_biv_value, final_giv_value): Likewise.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/ChangeLog.diff?cvsroot=gcc&r1=1.8844&r2=1.8845
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/basic-block.h.diff?cvsroot=gcc&r1=1.83&r2=1.84
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/hard-reg-set.h.diff?cvsroot=gcc&r1=1.8&r2=1.9
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/loop.h.diff?cvsroot=gcc&r1=1.47&r2=1.48
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/loop.c.diff?cvsroot=gcc&r1=1.318&r2=1.319
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/unroll.c.diff?cvsroot=gcc&r1=1.120&r2=1.121