aarch64-protos.h (tune_params): Add issue_rate.

2014-01-14  Andrew Pinski  <apinski@cavium.com>

	* config/aarch64/aarch64-protos.h (tune_params): Add issue_rate.
	* config/aarch64/aarch64.c (generic_tunings): Add issue rate of 2.
	(cortexa53_tunings): Likewise.
	(aarch64_sched_issue_rate): New function.
	(TARGET_SCHED_ISSUE_RATE): Define.

From-SVN: r206609

gcc/ChangeLog

+2014-01-14  Andrew Pinski  <apinski@cavium.com>
+
+	* config/aarch64/aarch64-protos.h (tune_params): Add issue_rate.
+	* config/aarch64/aarch64.c (generic_tunings): Add issue rate of 2.
+	(cortexa53_tunings): Likewise.
+	(aarch64_sched_issue_rate): New function.
+	(TARGET_SCHED_ISSUE_RATE): Define.
+
 2014-01-14  Vladimir Makarov  <vmakarov@redhat.com>
 
 	* ira-costs.c (find_costs_and_classes): Add missed

gcc/config/aarch64/aarch64-protos.h

@@ -156,6 +156,7 @@ struct tune_params
   const struct cpu_regmove_cost *const regmove_cost;
   const struct cpu_vector_cost *const vec_costs;
   const int memmov_cost;
+  const int issue_rate;
 };
 
 HOST_WIDE_INT aarch64_initial_elimination_offset (unsigned, unsigned);

gcc/config/aarch64/aarch64.c

@@ -221,7 +221,8 @@ static const struct tune_params generic_tunings =
   &generic_addrcost_table,
   &generic_regmove_cost,
   &generic_vector_cost,
-  NAMED_PARAM (memmov_cost, 4)
+  NAMED_PARAM (memmov_cost, 4),
+  NAMED_PARAM (issue_rate, 2)
 };
 
 static const struct tune_params cortexa53_tunings =
@@ -230,7 +231,8 @@ static const struct tune_params cortexa53_tunings =
   &generic_addrcost_table,
   &generic_regmove_cost,
   &generic_vector_cost,
-  NAMED_PARAM (memmov_cost, 4)
+  NAMED_PARAM (memmov_cost, 4),
+  NAMED_PARAM (issue_rate, 2)
 };
 
 /* A processor implementing AArch64.  */
@@ -4895,6 +4897,13 @@ aarch64_memory_move_cost (enum machine_mode mode ATTRIBUTE_UNUSED,
   return aarch64_tune_params->memmov_cost;
 }
 
+/* Return the number of instructions that can be issued per cycle.  */
+static int
+aarch64_sched_issue_rate (void)
+{
+  return aarch64_tune_params->issue_rate;
+}
+
 /* Vectorizer cost model target hooks.  */
 
 /* Implement targetm.vectorize.builtin_vectorization_cost.  */
@@ -8411,6 +8420,9 @@ aarch64_vectorize_vec_perm_const_ok (enum machine_mode vmode,
 #undef TARGET_RTX_COSTS
 #define TARGET_RTX_COSTS aarch64_rtx_costs
 
+#undef TARGET_SCHED_ISSUE_RATE
+#define TARGET_SCHED_ISSUE_RATE aarch64_sched_issue_rate
+
 #undef TARGET_TRAMPOLINE_INIT
 #define TARGET_TRAMPOLINE_INIT aarch64_trampoline_init