dwarf2out.c (loc_descriptor): Emit DW_OP_stack_value and DW_OP_implicit_value…

dwarf2out.c (loc_descriptor): Emit DW_OP_stack_value and DW_OP_implicit_value even without dwarf_version 4.

	* dwarf2out.c (loc_descriptor): Emit DW_OP_stack_value and
	DW_OP_implicit_value even without dwarf_version 4.

From-SVN: r151815

gcc/ChangeLog

+2009-09-17  Alexandre Oliva  <aoliva@redhat.com>
+
+	* dwarf2out.c (loc_descriptor): Emit DW_OP_stack_value and
+	DW_OP_implicit_value even without dwarf_version 4.
+
 2009-09-17  Jan Hubicka  <jh@suse.cz>
 
 	* dwarf2out.c: Include tree-pass.h and gimple.h.

gcc/dwarf2out.c

@@ -11777,7 +11777,7 @@ loc_descriptor (rtx rtl, enum machine_mode mode,
       break;
 
     case CONST_INT:
-      if (mode != VOIDmode && mode != BLKmode && dwarf_version >= 4)
+      if (mode != VOIDmode && mode != BLKmode)
         {
           HOST_WIDE_INT i = INTVAL (rtl);
           int litsize;
@@ -11831,7 +11831,7 @@ loc_descriptor (rtx rtl, enum machine_mode mode,
       break;
 
     case CONST_DOUBLE:
-      if (mode != VOIDmode && dwarf_version >= 4)
+      if (mode != VOIDmode)
 	{
 	  /* Note that a CONST_DOUBLE rtx could represent either an integer
 	     or a floating-point constant.  A CONST_DOUBLE is used whenever
@@ -11862,7 +11862,7 @@ loc_descriptor (rtx rtl, enum machine_mode mode,
       break;
 
     case CONST_VECTOR:
-      if (mode != VOIDmode && dwarf_version >= 4)
+      if (mode != VOIDmode)
 	{
 	  unsigned int elt_size = GET_MODE_UNIT_SIZE (GET_MODE (rtl));
 	  unsigned int length = CONST_VECTOR_NUNITS (rtl);
@@ -11950,8 +11950,7 @@ loc_descriptor (rtx rtl, enum machine_mode mode,
 	  && SYMBOL_REF_TLS_MODEL (rtl) != TLS_MODEL_NONE)
 	break;
     case LABEL_REF:
-      if (mode != VOIDmode && GET_MODE_SIZE (mode) == DWARF2_ADDR_SIZE
-	  && dwarf_version >= 4)
+      if (mode != VOIDmode && GET_MODE_SIZE (mode) == DWARF2_ADDR_SIZE)
 	{
 	  loc_result = new_loc_descr (DW_OP_implicit_value,
 				      DWARF2_ADDR_SIZE, 0);
@@ -11963,8 +11962,7 @@ loc_descriptor (rtx rtl, enum machine_mode mode,
 
     default:
       if (GET_MODE_CLASS (mode) == MODE_INT && GET_MODE (rtl) == mode
-	  && GET_MODE_SIZE (GET_MODE (rtl)) <= DWARF2_ADDR_SIZE
-	  && dwarf_version >= 4)
+	  && GET_MODE_SIZE (GET_MODE (rtl)) <= DWARF2_ADDR_SIZE)
 	{
 	  /* Value expression.  */
 	  loc_result = mem_loc_descriptor (rtl, VOIDmode, initialized);