explow.c (emit_stack_save): Remove 'after' parameter.

        * explow.c (emit_stack_save): Remove 'after' parameter.
        (emit_stack_restore): Likewise.
        * expr.h: Update to match.
        * builtins.c, calls.c, stmt.c: Likewise.
        * config/alpha/alpha.md, config/avr/avr.md: Likewise.
        * config/mips/mips.md, config/pa/pa.md, config/vax/vax.md: Likewise.
        * function.c (expand_function_end): Insert the emit_stack_save
        sequence before parm_birth_insn instead of after.

From-SVN: r170663

1 files changed, 10 insertions, 45 deletions

diff --git a/gcc/explow.c b/gcc/explow.c
index 2a182065bca..34adcb93281 100644
--- a/gcc/explow.c
+++ b/gcc/explow.c
@@ -961,13 +961,10 @@ round_push (rtx size)
 /* Save the stack pointer for the purpose in SAVE_LEVEL.  PSAVE is a pointer
    to a previously-created save area.  If no save area has been allocated,
    this function will allocate one.  If a save area is specified, it
-   must be of the proper mode.
-
-   The insns are emitted after insn AFTER, if nonzero, otherwise the insns
-   are emitted at the current position.  */
+   must be of the proper mode.  */
 
 void
-emit_stack_save (enum save_level save_level, rtx *psave, rtx after)
+emit_stack_save (enum save_level save_level, rtx *psave)
 {
   rtx sa = *psave;
   /* The default is that we use a move insn and save in a Pmode object.  */
@@ -1013,38 +1010,17 @@ emit_stack_save (enum save_level save_level, rtx *psave, rtx after)
 	}
     }
 
-  if (after)
-    {
-      rtx seq;
-
-      start_sequence ();
-      do_pending_stack_adjust ();
-      /* We must validize inside the sequence, to ensure that any instructions
-	 created by the validize call also get moved to the right place.  */
-      if (sa != 0)
-	sa = validize_mem (sa);
-      emit_insn (fcn (sa, stack_pointer_rtx));
-      seq = get_insns ();
-      end_sequence ();
-      emit_insn_after (seq, after);
-    }
-  else
-    {
-      do_pending_stack_adjust ();
-      if (sa != 0)
-	sa = validize_mem (sa);
-      emit_insn (fcn (sa, stack_pointer_rtx));
-    }
+  do_pending_stack_adjust ();
+  if (sa != 0)
+    sa = validize_mem (sa);
+  emit_insn (fcn (sa, stack_pointer_rtx));
 }
 
 /* Restore the stack pointer for the purpose in SAVE_LEVEL.  SA is the save
-   area made by emit_stack_save.  If it is zero, we have nothing to do.
-
-   Put any emitted insns after insn AFTER, if nonzero, otherwise at
-   current position.  */
+   area made by emit_stack_save.  If it is zero, we have nothing to do.  */
 
 void
-emit_stack_restore (enum save_level save_level, rtx sa, rtx after)
+emit_stack_restore (enum save_level save_level, rtx sa)
 {
   /* The default is that we use a move insn.  */
   rtx (*fcn) (rtx, rtx) = gen_move_insn;
@@ -1086,18 +1062,7 @@ emit_stack_restore (enum save_level save_level, rtx sa, rtx after)
 
   discard_pending_stack_adjust ();
 
-  if (after)
-    {
-      rtx seq;
-
-      start_sequence ();
-      emit_insn (fcn (stack_pointer_rtx, sa));
-      seq = get_insns ();
-      end_sequence ();
-      emit_insn_after (seq, after);
-    }
-  else
-    emit_insn (fcn (stack_pointer_rtx, sa));
+  emit_insn (fcn (stack_pointer_rtx, sa));
 }
 
 /* Invoke emit_stack_save on the nonlocal_goto_save_area for the current
@@ -1118,7 +1083,7 @@ update_nonlocal_goto_save_area (void)
 		   integer_one_node, NULL_TREE, NULL_TREE);
   r_save = expand_expr (t_save, NULL_RTX, VOIDmode, EXPAND_WRITE);
 
-  emit_stack_save (SAVE_NONLOCAL, &r_save, NULL_RTX);
+  emit_stack_save (SAVE_NONLOCAL, &r_save);
 }
 
 /* Return an rtx representing the address of an area of memory dynamically