gcc/gcc ChangeLog hooks.c hooks.h target-def.h ...

[aldyh@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	aldyh@gcc.gnu.org	2003-03-05 22:37:52

Modified files:
	gcc            : ChangeLog hooks.c hooks.h target-def.h target.h 
	                 dwarf2out.c 
	gcc/doc        : tm.texi 
	gcc/config/rs6000: rs6000.c 

Log message:
	2003-03-05  Aldy Hernandez  <aldyh@redhat.com>
	
	* doc/tm.texi: Document TARGET_DWARF_REGISTER_SPAN.
	
	* config/rs6000/rs6000.c (rs6000_dwarf_register_span): New.
	
	* hooks.c (hook_rtx_rtx_null): New.
	
	* hooks.h (hook_rtx_rtx_null): Protoize.
	
	* target-def.h (TARGET_DWARF_REGISTER_SPAN): New macro.
	(TARGET_INITIALIZER): Add TARGET_DWARF_REGISTER_SPAN.
	
	* target.h (struct gcc_target): Add dwarf_register_span.
	
	* dwarf2out.c (multiple_reg_loc_descriptor): New.
	(one_reg_loc_descriptor): New.
	(reg_loc_descriptor): Add support for values that span more than
	one register.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=1.16953&r2=1.16954
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/hooks.c.diff?cvsroot=gcc&r1=1.12&r2=1.13
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/hooks.h.diff?cvsroot=gcc&r1=1.12&r2=1.13
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/target-def.h.diff?cvsroot=gcc&r1=1.46&r2=1.47
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/target.h.diff?cvsroot=gcc&r1=1.52&r2=1.53
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/dwarf2out.c.diff?cvsroot=gcc&r1=1.404&r2=1.405
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/doc/tm.texi.diff?cvsroot=gcc&r1=1.205&r2=1.206
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/rs6000/rs6000.c.diff?cvsroot=gcc&r1=1.429&r2=1.430