gcc/gcc ChangeLog.tree-ssa common.opt flags.h ...

[amacleod@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	gcc
Branch: 	tree-ssa-20020619-branch
Changes by:	amacleod@gcc.gnu.org	2004-04-16 17:13:37

Modified files:
	gcc            : ChangeLog.tree-ssa common.opt flags.h opts.c 
	                 toplev.c tree-outof-ssa.c tree-ssa-copyrename.c 

Log message:
	2004-04-16  Andrew MacLeod  <amacleod@redhat.com>
	
	* common.opt (ftree-lrs): New common option.
	* flags.h (flag_tree_live_range_split): New flag.
	* opts.c (decode_options): Turn on LRS by default.
	(common_handle_option): Set LRS flag to specified value.
	* toplev.c (flag_tree_live_range_split): Initialize.
	(lang_independent_options f_): Add tree-lrs.
	* tree-outof-ssa.c (rewrite_out_of_ssa): Use LRS flag.
	* tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't coalesce
	variables if one is a hardware register.  Coalesce inlined user vars.
	(rename_ssa_copies): Scan blocks first, then PHI nodes.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.tree-ssa.diff?cvsroot=gcc&only_with_tag=tree-ssa-20020619-branch&r1=1.1.2.1331&r2=1.1.2.1332
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/common.opt.diff?cvsroot=gcc&only_with_tag=tree-ssa-20020619-branch&r1=1.14.2.27&r2=1.14.2.28
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/flags.h.diff?cvsroot=gcc&only_with_tag=tree-ssa-20020619-branch&r1=1.86.2.54&r2=1.86.2.55
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/opts.c.diff?cvsroot=gcc&only_with_tag=tree-ssa-20020619-branch&r1=1.31.2.36&r2=1.31.2.37
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/toplev.c.diff?cvsroot=gcc&only_with_tag=tree-ssa-20020619-branch&r1=1.654.2.110&r2=1.654.2.111
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-outof-ssa.c.diff?cvsroot=gcc&only_with_tag=tree-ssa-20020619-branch&r1=1.1.2.3&r2=1.1.2.4
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-ssa-copyrename.c.diff?cvsroot=gcc&only_with_tag=tree-ssa-20020619-branch&r1=1.1.2.5&r2=1.1.2.6