[AArch64] Give some new costs for Cortex-A53 floating-point operations

gcc/

	* config/arm/aarch-cost-tables.h (cortexa53_extra_costs): Make FP
	costs relative to the cost of a register move.

From-SVN: r237604

gcc/ChangeLog

 2016-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
 
+	* config/arm/aarch-cost-tables.h (cortexa53_extra_costs): Make FP
+	costs relative to the cost of a register move.
+
+2016-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
+
 	* config/aarch64/arm_neon.h (vcvt_n_f64_s64): New.
 	(vcvt_n_f64_u64): Likewise.
 	(vcvt_n_s64_f64): Likewise.

gcc/config/arm/aarch-cost-tables.h

@@ -191,35 +191,35 @@ const struct cpu_cost_table cortexa53_extra_costs =
   {
     /* FP SFmode */
     {
-      COSTS_N_INSNS (15),	/* div.  */
-      COSTS_N_INSNS (3),	/* mult.  */
-      COSTS_N_INSNS (7),	/* mult_addsub. */
-      COSTS_N_INSNS (7),	/* fma.  */
-      COSTS_N_INSNS (3),	/* addsub.  */
-      COSTS_N_INSNS (1),	/* fpconst. */
-      COSTS_N_INSNS (2),	/* neg.  */
-      COSTS_N_INSNS (1),	/* compare.  */
-      COSTS_N_INSNS (3),	/* widen.  */
-      COSTS_N_INSNS (3),	/* narrow.  */
-      COSTS_N_INSNS (3),	/* toint.  */
-      COSTS_N_INSNS (3),	/* fromint.  */
-      COSTS_N_INSNS (3)		/* roundint.  */
+      COSTS_N_INSNS (5),	/* div.  */
+      COSTS_N_INSNS (1),	/* mult.  */
+      COSTS_N_INSNS (2),	/* mult_addsub.  */
+      COSTS_N_INSNS (2),	/* fma.  */
+      COSTS_N_INSNS (1),	/* addsub.  */
+      0,			/* fpconst.  */
+      COSTS_N_INSNS (1),	/* neg.  */
+      0,			/* compare.  */
+      COSTS_N_INSNS (1),	/* widen.  */
+      COSTS_N_INSNS (1),	/* narrow.  */
+      COSTS_N_INSNS (1),	/* toint.  */
+      COSTS_N_INSNS (1),	/* fromint.  */
+      COSTS_N_INSNS (1)		/* roundint.  */
     },
     /* FP DFmode */
     {
-      COSTS_N_INSNS (30),	/* div.  */
-      COSTS_N_INSNS (3),	/* mult.  */
-      COSTS_N_INSNS (7),	/* mult_addsub.  */
-      COSTS_N_INSNS (7),	/* fma.  */
-      COSTS_N_INSNS (3),	/* addsub.  */
-      COSTS_N_INSNS (1),	/* fpconst.  */
-      COSTS_N_INSNS (2),	/* neg.  */
-      COSTS_N_INSNS (1),	/* compare.  */
-      COSTS_N_INSNS (3),	/* widen.  */
-      COSTS_N_INSNS (3),	/* narrow.  */
-      COSTS_N_INSNS (3),	/* toint.  */
-      COSTS_N_INSNS (3),	/* fromint.  */
-      COSTS_N_INSNS (3)		/* roundint.  */
+      COSTS_N_INSNS (10),	/* div.  */
+      COSTS_N_INSNS (1),	/* mult.  */
+      COSTS_N_INSNS (2),	/* mult_addsub.  */
+      COSTS_N_INSNS (2),	/* fma.  */
+      COSTS_N_INSNS (1),	/* addsub.  */
+      0,			/* fpconst.  */
+      COSTS_N_INSNS (1),	/* neg.  */
+      0,			/* compare.  */
+      COSTS_N_INSNS (1),	/* widen.  */
+      COSTS_N_INSNS (1),	/* narrow.  */
+      COSTS_N_INSNS (1),	/* toint.  */
+      COSTS_N_INSNS (1),	/* fromint.  */
+      COSTS_N_INSNS (1)		/* roundint.  */
     }
   },
   /* Vector */