gcc/gcc ChangeLog cse.c optabs.c

[sayle@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	sayle@gcc.gnu.org	2003-10-11 03:49:55

Modified files:
	gcc            : ChangeLog cse.c optabs.c 

Log message:
	* cse.c (constant_pool_entries_regcost): New global variable to
	hold the register cost component of constant_pool_entries_cost.
	(fold_rtx): Calculate constant_pool_entries_regcost at the same
	time as constant_pool_entries_cost.
	(cse_insn): Set both src_folded_cost and src_folded_regcost from
	constant_pool_entries_cost and constant_pool_entries_regcost.
	(cse_main): Initialize constant_pool_entries_regcost to zero.
	
	* optabs.c (expand_unop): Attach a REG_EQUAL note describing
	the semantics of the sequence of bit operations used to negate
	a floating-point value.
	(expand_abs_nojump): Likewise attach a REG_EQUAL note describing
	the semantics of the bit operations used to abs a floating point
	value.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.1368&r2=2.1369
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cse.c.diff?cvsroot=gcc&r1=1.273&r2=1.274
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/optabs.c.diff?cvsroot=gcc&r1=1.198&r2=1.199