From: Greta Yorsh <greta.yorsh@arm.com>
Date: Wed, 17 Apr 2013 15:17:10 +0000 (+0100)
Subject: 2013-04-17  Greta Yorsh  <Greta.Yorsh at arm.com>
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=367075fe242c10042024b5866dc2934f5f9b9c37;p=gcc.git

2013-04-17  Greta Yorsh  <Greta.Yorsh at arm.com>

	* config/arm/arm.c (use_return_insn): Return 0 for targets that
	can benefit from using a sequence of LDRD instructions in epilogue
	instead of a single LDM instruction.

From-SVN: r198029
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 3e6f3f134d2..41c9a33c21e 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2013-04-17  Greta Yorsh  <Greta.Yorsh at arm.com>
+
+	* config/arm/arm.c (use_return_insn): Return 0 for targets that
+	can benefit from using a sequence of LDRD instructions in epilogue
+	instead of a single LDM instruction.
+
 2013-04-17  Manuel López-Ibáñez  <manu@gcc.gnu.org>
 
 	PR 45688
diff --git a/gcc/config/arm/arm.c b/gcc/config/arm/arm.c
index bac709f1fa3..9088d1a64ab 100644
--- a/gcc/config/arm/arm.c
+++ b/gcc/config/arm/arm.c
@@ -2412,6 +2412,10 @@ use_return_insn (int iscond, rtx sibling)
   if (IS_INTERRUPT (func_type) && (frame_pointer_needed || TARGET_THUMB))
     return 0;
 
+  if (TARGET_LDRD && current_tune->prefer_ldrd_strd
+      && !optimize_function_for_size_p (cfun))
+    return 0;
+
   offsets = arm_get_frame_offsets ();
   stack_adjust = offsets->outgoing_args - offsets->saved_regs;