arm-cores.def (cortex-a5): Use cortex_a5 tuning.

	gcc/
	* config/arm/arm-cores.def (cortex-a5): Use cortex_a5 tuning.
	* config/arm/arm.c (arm_cortex_a5_branch_cost): New.
	(arm_cortex_a5_tune): New.

From-SVN: r174579

gcc/ChangeLog

 2011-06-02  Julian Brown  <julian@codesourcery.com>
 
+	* config/arm/arm-cores.def (cortex-a5): Use cortex_a5 tuning.
+	* config/arm/arm.c (arm_cortex_a5_branch_cost): New.
+	(arm_cortex_a5_tune): New.
+
+2011-06-02  Julian Brown  <julian@codesourcery.com>
+
 	* config/arm/arm-protos.h (tune_params): Add branch_cost hook.
 	* config/arm/arm.c (arm_default_branch_cost): New.
 	(arm_slowmul_tune, arm_fastmul_tune, arm_xscale_tune, arm_9e_tune)

gcc/config/arm/arm-cores.def

@@ -124,7 +124,7 @@ ARM_CORE("mpcorenovfp",	  mpcorenovfp,	6K,				 FL_LDSCHED, 9e)
 ARM_CORE("mpcore",	  mpcore,	6K,				 FL_LDSCHED | FL_VFPV2, 9e)
 ARM_CORE("arm1156t2-s",	  arm1156t2s,	6T2,				 FL_LDSCHED, v6t2)
 ARM_CORE("arm1156t2f-s",  arm1156t2fs,  6T2,				 FL_LDSCHED | FL_VFPV2, v6t2)
-ARM_CORE("cortex-a5",	  cortexa5,	7A,				 FL_LDSCHED, cortex)
+ARM_CORE("cortex-a5",	  cortexa5,	7A,				 FL_LDSCHED, cortex_a5)
 ARM_CORE("cortex-a8",	  cortexa8,	7A,				 FL_LDSCHED, cortex)
 ARM_CORE("cortex-a9",	  cortexa9,	7A,				 FL_LDSCHED, cortex_a9)
 ARM_CORE("cortex-a15",	  cortexa15,	7A,				 FL_LDSCHED | FL_THUMB_DIV | FL_ARM_DIV, cortex)

gcc/config/arm/arm.c

@@ -256,6 +256,7 @@ static void arm_conditional_register_usage (void);
 static reg_class_t arm_preferred_rename_class (reg_class_t rclass);
 static unsigned int arm_autovectorize_vector_sizes (void);
 static int arm_default_branch_cost (bool, bool);
+static int arm_cortex_a5_branch_cost (bool, bool);
 
 
 /* Table of machine attributes.  */
@@ -914,6 +915,16 @@ const struct tune_params arm_cortex_tune =
   arm_default_branch_cost
 };
 
+const struct tune_params arm_cortex_a5_tune =
+{
+  arm_9e_rtx_costs,
+  NULL,
+  1,						/* Constant limit.  */
+  ARM_PREFETCH_NOT_BENEFICIAL,
+  false,					/* Prefer constant pool.  */
+  arm_cortex_a5_branch_cost
+};
+
 const struct tune_params arm_cortex_a9_tune =
 {
   arm_9e_rtx_costs,
@@ -8054,6 +8065,12 @@ arm_default_branch_cost (bool speed_p, bool predictable_p ATTRIBUTE_UNUSED)
     return (optimize > 0) ? 2 : 0;
 }
 
+static int
+arm_cortex_a5_branch_cost (bool speed_p, bool predictable_p)
+{
+  return speed_p ? 0 : arm_default_branch_cost (speed_p, predictable_p);
+}
+
 static int fp_consts_inited = 0;
 
 /* Only zero is valid for VFP.  Other values are also valid for FPA.  */