combine.c (distribute_notes): Don't look at global_regs for pseudos.

	* combine.c (distribute_notes): Don't look at global_regs for
	pseudos.

From-SVN: r83889

gcc/ChangeLog

+2004-06-29  Zack Weinberg  <zack@codesourcery.com>
+
+	* combine.c (distribute_notes): Don't look at global_regs for
+	pseudos.
+
 2004-06-29  Richard Henderson  <rth@redhat.com>
 
 	* gimplify.c (gimplify_modify_expr_rhs): Move immediately before

gcc/Makefile.in

@@ -1376,7 +1376,7 @@ c-ppoutput.o : c-ppoutput.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) \
 c-objc-common.o : c-objc-common.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(TREE_H) \
     $(C_TREE_H) $(RTL_H) insn-config.h $(INTEGRATE_H) $(EXPR_H) $(C_TREE_H) \
     $(FLAGS_H) toplev.h tree-inline.h $(DIAGNOSTIC_H) $(VARRAY_H) \
-    langhooks.h $(GGC_H) $(TARGET_H) cgraph.h
+    langhooks.h $(GGC_H) $(TARGET_H)
 c-aux-info.o : c-aux-info.c  $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(TREE_H) \
     $(C_TREE_H) $(FLAGS_H) toplev.h
 c-convert.o : c-convert.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(TREE_H) \

gcc/combine.c

@@ -11839,8 +11839,9 @@ distribute_notes (rtx notes, rtx from_insn, rtx i3, rtx i2)
 		     TEM is doing.  If so, delete TEM.  Otherwise, make this
 		     into a REG_UNUSED note instead. Don't delete sets to
 		     global register vars.  */
-		  if (reg_set_p (XEXP (note, 0), PATTERN (tem))
-		      && !global_regs [REGNO(XEXP (note, 0))])
+		  if ((REGNO (XEXP (note, 0)) >= FIRST_PSEUDO_REGISTER
+		       || !global_regs[REGNO (XEXP (note, 0))])
+		      && reg_set_p (XEXP (note, 0), PATTERN (tem)))
 		    {
 		      rtx set = single_set (tem);
 		      rtx inner_dest = 0;