egcs/gcc ChangeLog Makefile.in cse.c flow.c gc ...

[rth@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	egcs
Changes by:	rth@sourceware.cygnus.com	2000-07-28 10:46:18

Modified files:
	gcc            : ChangeLog Makefile.in cse.c flow.c gcse.c 
	                 haifa-sched.c recog.c regclass.c regmove.c 
	                 reload.c reload.h reload1.c resource.c rtl.def 
	                 rtl.h rtl.texi rtlanal.c simplify-rtx.c tm.texi 
	gcc/config/ia64: ia64-protos.h ia64.c ia64.h ia64.md 

Log message:
	* cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
	(cse_insn): Likewise.
	(addr_affects_sp_p): Likewise.
	* expr.c (move_by_pieces): Likewise.
	(clear_by_pieces): Likewise.
	* gcse.c (oprs_unchanged_p): Likewise.
	* haifa-sched.c (sched_analyze_2): Likewise.
	* recog.c (offsettable_address_p): Likewise.
	* regclass.c (record_address_regs): Likewise.
	* reload.c (find_reusable_reload): Likewise.
	(push_reload): Likewise.
	(operands_match_p): Likewise.
	(decompose): Likewise.
	(find_reloads_address_1): Likewise.
	(find_inc_amount): Likewise.
	* reload1.c (elimination_effects): Likewise.
	* resource.c (mark_set_resources): Likewise.
	* flow.c (attempt_auto_inc): New function; mostly broken out
	of find_auto_inc.
	(find_auto_inc): Split into two functions and enhanced to
	generate POST_MODIFY.
	* rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
	* rtl.h (count_all_occurrences):  Declare.
	(HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
	defined.
	* rtlanal.c (count_all_occurrences): New function.
	* tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
	HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
	
	* config/ia64/ia64-protos.h (destination_operand): Declare.
	* config/ia64/ia64.c (destination_operand): New function.
	(ia64_print_operand): Handle POST_MODIFY.
	(rtx_needs_barrier): Likewise.
	* config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
	(HAVE_POST_MODIFY_REG): Define to 1.
	(MAX_REGS_PER_ADDRESS): Change to 2.
	(GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
	(LEGITIMATE_ADDRESS_REG): New helper macro.
	(LEGITIMATE_ADDRESS_DISP): Likewise.
	(PREDICATE_CODES): Add entry for destination_operand.
	* config/ia64/ia64.md (all mov patterns): Use destination_operand
	predicate for operand 0.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/ChangeLog.diff?cvsroot=gcc&r1=1.7240&r2=1.7241
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/Makefile.in.diff?cvsroot=gcc&r1=1.486&r2=1.487
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/cse.c.diff?cvsroot=gcc&r1=1.144&r2=1.145
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/flow.c.diff?cvsroot=gcc&r1=1.308&r2=1.309
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/gcse.c.diff?cvsroot=gcc&r1=1.99&r2=1.100
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/haifa-sched.c.diff?cvsroot=gcc&r1=1.155&r2=1.156
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/recog.c.diff?cvsroot=gcc&r1=1.65&r2=1.66
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/regclass.c.diff?cvsroot=gcc&r1=1.102&r2=1.103
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/regmove.c.diff?cvsroot=gcc&r1=1.87&r2=1.88
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/reload.c.diff?cvsroot=gcc&r1=1.115&r2=1.116
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/reload.h.diff?cvsroot=gcc&r1=1.28&r2=1.29
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/reload1.c.diff?cvsroot=gcc&r1=1.217&r2=1.218
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/resource.c.diff?cvsroot=gcc&r1=1.32&r2=1.33
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/rtl.def.diff?cvsroot=gcc&r1=1.41&r2=1.42
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/rtl.h.diff?cvsroot=gcc&r1=1.211&r2=1.212
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/rtl.texi.diff?cvsroot=gcc&r1=1.27&r2=1.28
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/rtlanal.c.diff?cvsroot=gcc&r1=1.64&r2=1.65
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/simplify-rtx.c.diff?cvsroot=gcc&r1=1.21&r2=1.22
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/tm.texi.diff?cvsroot=gcc&r1=1.132&r2=1.133
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/config/ia64/ia64-protos.h.diff?cvsroot=gcc&r1=1.12&r2=1.13
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/config/ia64/ia64.c.diff?cvsroot=gcc&r1=1.34&r2=1.35
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/config/ia64/ia64.h.diff?cvsroot=gcc&r1=1.29&r2=1.30
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/config/ia64/ia64.md.diff?cvsroot=gcc&r1=1.26&r2=1.27