gcc/gcc/doc rtl.texi

[janis@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	janis@gcc.gnu.org	2001-12-03 16:43:30

Modified files:
	gcc/doc        : rtl.texi 

Log message:
	* rtl.def (PREFETCH): New rtx code.
	* doc/rtl.texi (PREFETCH): Add documentation.
	* function.c (instantiate_virtual_regs_1): Handle PREFETCH rtx.
	* rtlanal.c (reg_referenced_p): Ditto.
	* sched-vis.c (print_exp):  Ditto.
	* ssa-dce.c (find_inherently_necessary):  Ditto.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/doc/rtl.texi.diff?cvsroot=gcc&r1=1.19&r2=1.20