[AArch64] Give some new costs for Cortex-A57 floating-point operations

gcc/

	* config/arm/aarch-cost-tables.h (cortexa57_extra_costs): Make FP
	costs relative to the cost of a register move.

From-SVN: r237601

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 505b5b0e0f307f8e7fd44932a3517e42277aac1d..e6f7e9e5233c55ce721013f5a18fa6b04bfba637 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2016-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
+
+       * config/arm/aarch-cost-tables.h (cortexa57_extra_costs): Make FP
+       costs relative to the cost of a register move.
+
 2016-06-20  Wilco Dijkstra  <wdijkstr@arm.com>
 
        * config/aarch64/aarch64.c (aarch64_modes_tieable_p):

diff --git a/gcc/config/arm/aarch-cost-tables.h b/gcc/config/arm/aarch-cost-tables.h
index c971b308a57559c2b6643832a8573133c6ee5d28..5f42253371e7606d78eee5fb76cdb07191365235 100644 (file)
--- a/gcc/config/arm/aarch-cost-tables.h
+++ b/gcc/config/arm/aarch-cost-tables.h
@@ -294,35 +294,35 @@ const struct cpu_cost_table cortexa57_extra_costs =
   {
     /* FP SFmode */
     {
-      COSTS_N_INSNS (17),      /* div.  */
-      COSTS_N_INSNS (5),       /* mult.  */
-      COSTS_N_INSNS (9),       /* mult_addsub. */
-      COSTS_N_INSNS (9),       /* fma.  */
-      COSTS_N_INSNS (4),       /* addsub.  */
-      COSTS_N_INSNS (2),       /* fpconst. */
-      COSTS_N_INSNS (2),       /* neg.  */
-      COSTS_N_INSNS (2),       /* compare.  */
-      COSTS_N_INSNS (4),       /* widen.  */
-      COSTS_N_INSNS (4),       /* narrow.  */
-      COSTS_N_INSNS (4),       /* toint.  */
-      COSTS_N_INSNS (4),       /* fromint.  */
-      COSTS_N_INSNS (4)        /* roundint.  */
+      COSTS_N_INSNS (6),      /* div.  */
+      COSTS_N_INSNS (1),       /* mult.  */
+      COSTS_N_INSNS (2),       /* mult_addsub.  */
+      COSTS_N_INSNS (2),       /* fma.  */
+      COSTS_N_INSNS (1),       /* addsub.  */
+      0,                      /* fpconst.  */
+      0,                      /* 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 (31),      /* div.  */
-      COSTS_N_INSNS (5),       /* mult.  */
-      COSTS_N_INSNS (9),       /* mult_addsub.  */
-      COSTS_N_INSNS (9),       /* fma.  */
-      COSTS_N_INSNS (4),       /* addsub.  */
-      COSTS_N_INSNS (2),       /* fpconst.  */
-      COSTS_N_INSNS (2),       /* neg.  */
-      COSTS_N_INSNS (2),       /* compare.  */
-      COSTS_N_INSNS (4),       /* widen.  */
-      COSTS_N_INSNS (4),       /* narrow.  */
-      COSTS_N_INSNS (4),       /* toint.  */
-      COSTS_N_INSNS (4),       /* fromint.  */
-      COSTS_N_INSNS (4)        /* roundint.  */
+      COSTS_N_INSNS (11),      /* div.  */
+      COSTS_N_INSNS (1),       /* mult.  */
+      COSTS_N_INSNS (2),       /* mult_addsub.  */
+      COSTS_N_INSNS (2),       /* fma.  */
+      COSTS_N_INSNS (1),       /* addsub.  */
+      0,                      /* fpconst.  */
+      0,                      /* 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 */