Add BMI2 support.

[pf3gnuchains/gcc-fork.git] / gcc / calls.c

diff --git a/gcc/calls.c b/gcc/calls.c
index c4f8b46..a6e96e4 100644 (file)
--- a/gcc/calls.c
+++ b/gcc/calls.c
@@ -434,6 +434,8 @@ emit_call_1 (rtx funexp, tree fntree ATTRIBUTE_UNUSED, tree fndecl ATTRIBUTE_UNU
       rounded_stack_size_rtx = GEN_INT (rounded_stack_size);
       stack_pointer_delta -= n_popped;
 
+      add_reg_note (call_insn, REG_ARGS_SIZE, GEN_INT (stack_pointer_delta));
+
       /* If popup is needed, stack realign must use DRAP  */
       if (SUPPORTS_STACK_ALIGNMENT)
         crtl->need_drap = true;
@@ -740,7 +742,7 @@ precompute_register_parameters (int num_actuals, struct arg_data *args,
                     || (GET_CODE (args[i].value) == SUBREG
                         && REG_P (SUBREG_REG (args[i].value)))))
                 && args[i].mode != BLKmode
-                && rtx_cost (args[i].value, SET, optimize_insn_for_speed_p ())
+                && set_src_cost (args[i].value, optimize_insn_for_speed_p ())
                    > COSTS_N_INSNS (1)
                 && ((*reg_parm_seen
                      && targetm.small_register_classes_for_mode_p (args[i].mode))
@@ -3126,8 +3128,13 @@ expand_call (tree exp, rtx target, int ignore)
 
       if (old_stack_level)
        {
+         rtx prev = get_last_insn ();
+
          emit_stack_restore (SAVE_BLOCK, old_stack_level);
          stack_pointer_delta = old_stack_pointer_delta;
+
+         fixup_args_size_notes (prev, get_last_insn (), stack_pointer_delta);
+
          pending_stack_adjust = old_pending_adj;
          old_stack_allocated = stack_pointer_delta - pending_stack_adjust;
          stack_arg_under_construction = old_stack_arg_under_construction;