gcc/gcc ssa-dce.c

[janis@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	janis@gcc.gnu.org	2001-12-03 16:47:14

Modified files:
	gcc            : ssa-dce.c 

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/ssa-dce.c.diff?cvsroot=gcc&r1=1.10&r2=1.11