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egcs/gcc ChangeLog.RA ra.c


CVSROOT:	/cvs/gcc
Module name:	egcs
Branch: 	new-regalloc-branch
Changes by:	matz@gcc.gnu.org	2001-07-17 11:48:57

Modified files:
	gcc            : ChangeLog.RA ra.c 

Log message:
	The below, and some changes to last ChangeLog.RA's entry.
	
	2001-06-28  Michael Matz  <matzmich@cs.tu-berlin.de>
	In colorize_one_web() handle the case the web only partly conflicts
	with other webs.  Use conflict_colors as hardregs where the web might not
	have it's first color, instead of collecting there all colors of
	neighbors
	
	* ra.c : (get_free_reg): New HARD_REG_SET argument.  Callers changed.
	Use this as a set of forbidden begin hard-regs.
	Test if all hardregs are OK for the mode (???).
	(hardregset_to_string): New.
	(colorize_one_web): Use it.
	Deduce forbidden begin regs instead of non-free regs.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/ChangeLog.RA.diff?cvsroot=gcc&only_with_tag=new-regalloc-branch&r1=1.1.2.23&r2=1.1.2.24
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/ra.c.diff?cvsroot=gcc&only_with_tag=new-regalloc-branch&r1=1.1.2.9&r2=1.1.2.10


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