gcc/gcc ChangeLog alias.c rtl.h sched-deps.c

[rth@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	rth@gcc.gnu.org	2004-03-25 00:58:57

Modified files:
	gcc            : ChangeLog alias.c rtl.h sched-deps.c 

Log message:
	* alias.c (alias_invariant, alias_invariant_size): Mark GTY.
	(reg_known_value, reg_known_value_size): Likewise; make static.
	(reg_known_equiv_p): Make static.
	(clear_reg_alias_info): Update for new indexing.
	(get_reg_known_value, set_reg_known_value): New.
	(get_reg_known_equiv_p, set_reg_known_equiv_p): New.
	(canon_rtx): Use them.
	(init_alias_analysis): Likewise.  Allocate reg_known_value with gc.
	Don't play queer offsetting games with reg_known_value and
	reg_known_equiv_p.
	(end_alias_analysis): Free reg_known_value with gc.
	* rtl.h (get_reg_known_value, get_reg_known_equiv_p): Declare.
	* sched-deps.c (reg_known_equiv_p, reg_known_value): Remove.
	(deps_may_trap_p, sched_analyze_1, sched_analyze_2): Use the new
	functions instead.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.3286&r2=2.3287
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/alias.c.diff?cvsroot=gcc&r1=1.222&r2=1.223
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/rtl.h.diff?cvsroot=gcc&r1=1.466&r2=1.467
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/sched-deps.c.diff?cvsroot=gcc&r1=1.71&r2=1.72