From patchwork Mon Dec 13 19:43:23 2010
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Subject: ping: Add static size report when using -fstack-usage for ARM targets
Date: Mon, 13 Dec 2010 09:43:23 -0000
From: Thomas Klein <th.r.klein@web.de>
X-Patchwork-Id: 75395
Message-Id: <4D06775B.1080504@web.de>
To: gcc-patches@gcc.gnu.org, ramana.gcc@googlemail.com

Hello Ramana

In assumption you are the reviewer with write permission, please commit 
or reject the patch.
Original message <http://gcc.gnu.org/ml/gcc-patches/2010-11/msg02627.html>.

regards
  Thomas


2010-12-13  Thomas Klein <th.r.klein@web.de>

     * config/arm/arm.c (arm_expand_prologue): Report the static stack size
     if -fstack-usage is used.
     * config/arm/arm.c (thumb1_expand_prologue): Report the static 
stack size
     if -fstack-usage is used.


Index: gcc/config/arm/arm.c
===================================================================
--- gcc/config/arm/arm.c        (revision 167759)
+++ gcc/config/arm/arm.c        (working copy)
@@ -15816,6 +15816,10 @@ arm_expand_prologue (void)
         }
      }

+  if (flag_stack_usage)
+    current_function_static_stack_size
+      = offsets->outgoing_args - offsets->saved_args;
+
    if (offsets->outgoing_args != offsets->saved_args + saved_regs)
      {
        /* This add can produce multiple insns for a large constant, so we
@@ -20628,6 +20632,10 @@ thumb1_expand_prologue (void)
      emit_move_insn (gen_rtx_REG (Pmode, ARM_HARD_FRAME_POINTER_REGNUM),
                     stack_pointer_rtx);

+  if (flag_stack_usage)
+    current_function_static_stack_size
+      = offsets->outgoing_args - offsets->saved_args;
+
    amount = offsets->outgoing_args - offsets->saved_regs;
    amount -= 4 * thumb1_extra_regs_pushed (offsets, true);
    if (amount)