gcc/gcc ChangeLog Makefile.in combine.c cse.c ...

[bonzini@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	bonzini@gcc.gnu.org	2004-05-25 12:04:19

Modified files:
	gcc            : ChangeLog Makefile.in combine.c cse.c 
	                 emit-rtl.c rtl.h rtlanal.c 
Added files:
	gcc            : rtlhooks-def.h rtlhooks.c 

Log message:
	2004-05-25  Paolo Bonzini  <bonzini@gnu.org>
	
	* Makefile.in (OBJS): Add rtlhooks.o.
	(rtlanal.o): Depend on function.h.
	(cse.o): Depend on rtlhooks-def.h.
	(combine.o): Depend on rtlhooks-def.h.
	(rtlhooks.o): New rule.
	* combine.c: Include rtlhooks-def.h.
	(nonzero_bits, cached_nonzero_bits, nonzero_bits1,
	num_sign_bit_copies, cached_num_sign_bit_copies,
	num_sign_bit_copies1): Move most of the code to rtlanal.c.
	(reg_nonzero_bits_for_combine,
	reg_num_sign_bit_copies_for_combine): New functions holding
	the remnants of the above.
	(combine_rtl_hooks): New.
	(combine_instructions): Set rtl_hooks instead of gen_lowpart.
	* cse.c: Include rtlhooks-def.h.
	(cse_rtl_hooks): New.
	(cse_main): Set rtl_hooks instead of gen_lowpart.
	* emit-rtl.c (gen_lowpart): Remove.
	(gen_lowpart_general): Move to rtlhooks.c.
	* rtl.h (nonzero_bits, num_sign_bit_copies,
	struct rtl_hooks, rtl_hooks, general_rtl_hooks): New.
	(gen_lowpart_general): Remove.
	(gen_lowpart): Temporarily redefine as a macro.
	* rtlanal.c: Include function.h.
	(nonzero_bits, cached_nonzero_bits, nonzero_bits1,
	num_sign_bit_copies, cached_num_sign_bit_copies,
	num_sign_bit_copies1): New, from combine.c.
	* rtlhooks.c: New file.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/rtlhooks-def.h.diff?cvsroot=gcc&r1=NONE&r2=2.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/rtlhooks.c.diff?cvsroot=gcc&r1=NONE&r2=2.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.3742&r2=2.3743
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/Makefile.in.diff?cvsroot=gcc&r1=1.1284&r2=1.1285
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/combine.c.diff?cvsroot=gcc&r1=1.428&r2=1.429
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cse.c.diff?cvsroot=gcc&r1=1.300&r2=1.301
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/emit-rtl.c.diff?cvsroot=gcc&r1=1.390&r2=1.391
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/rtl.h.diff?cvsroot=gcc&r1=1.474&r2=1.475
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/rtlanal.c.diff?cvsroot=gcc&r1=1.188&r2=1.189