gcc/gcc ChangeLog emit-rtl.c genemit.c rtl.c rtl.h

[hubicka@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	hubicka@gcc.gnu.org	2004-01-20 22:17:01

Modified files:
	gcc            : ChangeLog emit-rtl.c genemit.c rtl.c rtl.h 

Log message:
	* emit-rtl.c (verify_rtx_sharing, copy_insn_1,
	emit_copy_of_insn_after, emit_copy_of_insn_after): Clobbers
	containing hard regs are shared.
	(gen_hard_reg_clobber): New function.
	(hard_reg_clobbers): New array.
	* genemit.c (gen_exp): Use gen_hard_reg_clobber.
	(copy_rtx): Do not copy clobbers containing hard regs.
	* rtl.h (gen_hard_reg_clobber): Declare.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.2385&r2=2.2386
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/emit-rtl.c.diff?cvsroot=gcc&r1=1.366&r2=1.367
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/genemit.c.diff?cvsroot=gcc&r1=1.86&r2=1.87
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/rtl.c.diff?cvsroot=gcc&r1=1.130&r2=1.131
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/rtl.h.diff?cvsroot=gcc&r1=1.449&r2=1.450