emit-rtl.c (gen_rtx_REG): Always return the same rtx for PIC_OFFSET_TABLE_REGNUM.

        * emit-rtl.c (gen_rtx_REG): Always return the same rtx
        for PIC_OFFSET_TABLE_REGNUM.
        (init_emit_once): Use gen_raw_REG to initialize pic_offset_table_rtx.

From-SVN: r49234

gcc/ChangeLog

+2002-01-25  Steve Ellcey  <sje@cup.hp.com>
+
+	* emit-rtl.c (gen_rtx_REG): Always return the same rtx
+	for PIC_OFFSET_TABLE_REGNUM.
+	(init_emit_once): Use gen_raw_REG to initialize pic_offset_table_rtx.
+
 2002-01-25  David O'Brien  <obrien@FreeBSD.org>
 
 	* config.gcc (x86_64-*-freebsd*): New target.

gcc/emit-rtl.c

@@ -410,6 +410,8 @@ gen_rtx_REG (mode, regno)
       if (regno == RETURN_ADDRESS_POINTER_REGNUM)
 	return return_address_pointer_rtx;
 #endif
+      if (regno == PIC_OFFSET_TABLE_REGNUM)
+        return pic_offset_table_rtx;
       if (regno == STACK_POINTER_REGNUM)
 	return stack_pointer_rtx;
     }
@@ -4974,7 +4976,7 @@ init_emit_once (line_numbers)
 #endif
 
   if (PIC_OFFSET_TABLE_REGNUM != INVALID_REGNUM)
-    pic_offset_table_rtx = gen_rtx_REG (Pmode, PIC_OFFSET_TABLE_REGNUM);
+    pic_offset_table_rtx = gen_raw_REG (Pmode, PIC_OFFSET_TABLE_REGNUM);
 
   ggc_add_rtx_root (&pic_offset_table_rtx, 1);
   ggc_add_rtx_root (&struct_value_rtx, 1);