gcc/gcc ChangeLog cse.c rtl.h rtlanal.c simpli ...

[rth@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	gcc
Branch: 	gcc-3_4-basic-improvements-branch
Changes by:	rth@gcc.gnu.org	2002-10-07 03:59:12

Modified files:
	gcc            : ChangeLog cse.c rtl.h rtlanal.c simplify-rtx.c 

Log message:
	* cse.c (fixed_base_plus_p): Turn FIXED_BASE_PLUS_P into a
	function; cleanup PLUS case by using recursion.  Update all users.
	(NONZERO_BASE_PLUS_P): Remove.
	(find_comparison_args): Use rtx_addr_can_trap_p instead.
	(fold_rtx): Use nonzero_address_p.
	* rtl.h (nonzero_address_p): Declare.
	* rtlanal.c (rtx_varies_p): Handle ADDRESSOF.
	(rtx_addr_can_trap_p): Likewise.
	(nonzero_address_p): New.
	* simplify-rtx.c (NONZERO_BASE_PLUS_P): Remove.
	(simplify_relational_operation): Use nonzero_address_p.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-3_4-basic-improvements-branch&r1=1.15234.2.42&r2=1.15234.2.43
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cse.c.diff?cvsroot=gcc&only_with_tag=gcc-3_4-basic-improvements-branch&r1=1.231.4.4&r2=1.231.4.5
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/rtl.h.diff?cvsroot=gcc&only_with_tag=gcc-3_4-basic-improvements-branch&r1=1.367.4.3&r2=1.367.4.4
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/rtlanal.c.diff?cvsroot=gcc&only_with_tag=gcc-3_4-basic-improvements-branch&r1=1.138.4.3&r2=1.138.4.4
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/simplify-rtx.c.diff?cvsroot=gcc&only_with_tag=gcc-3_4-basic-improvements-branch&r1=1.118.4.2&r2=1.118.4.3