egcs/gcc ChangeLog calls.c flags.h invoke.texi ...

[hubicka@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	egcs
Changes by:	hubicka@sourceware.cygnus.com	00/03/29 01:54:32

Modified files:
	gcc            : ChangeLog calls.c flags.h invoke.texi stmt.c 
	                 toplev.c 

Log message:
	* flags.h (flag_optimize_sibling_calls): Declare.
	* calls.c (expand_call): Fail sibcall when
	!flag_optimize_sibling_calls
	* invoke.texi (flag_optimize_sibling_calls): Document.
	* toplev.c (flag_optimize_sibling_calls): New global variable.
	(f_options): Add flag_optimize_sibling_calls.
	(rest_of_compilation): Conditionize
	optimize_sibling_and_tail_recursive_calls by
	flag_optimize_sibling_calls.
	(main): Set flag_optimize_sibling_calls for -O2.
	* stmt.c (expand_return): Conditionize tail recursion by
	flag_optimize_sibling_calls.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/ChangeLog.diff?cvsroot=gcc&r1=1.6059&r2=1.6060
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/calls.c.diff?cvsroot=gcc&r1=1.105&r2=1.106
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/flags.h.diff?cvsroot=gcc&r1=1.40&r2=1.41
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/invoke.texi.diff?cvsroot=gcc&r1=1.179&r2=1.180
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/stmt.c.diff?cvsroot=gcc&r1=1.134&r2=1.135
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/toplev.c.diff?cvsroot=gcc&r1=1.309&r2=1.310