egcs/gcc ChangeLog emit-rtl.c md.texi reload1. ...

[law@cygnus.com]

CVSROOT:	/egcs/carton/cvsfiles
Module name:	egcs
Changes by:	law@egcs.cygnus.com	98/11/25 10:31:27

Modified files:
	gcc            : ChangeLog emit-rtl.c md.texi reload1.c rtl.h 
	                 toplev.c 

Log message:
	* toplev.c (no_new_pseudos): Define.
	(rest_of_compilation):  Set no_new_pseudos as needed.
	* emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
	if no_new_pseudos is set.
	* rtl.h (no_new_pseudos): Declare it.
	* reload1.c (reload): Update comments.
	* md.texi: Corresponding changes.
	
	* reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
	(choose_reload_regs): Rename it here as well.  When computing it,
	also merge in used hardregs.