aarch-cost-tables.h (cortexa53_extra_cost): Increase idiv cost.

2017-06-07  Tamar Christina  <tamar.christina@arm.com>

	* config/arm/aarch-cost-tables.h (cortexa53_extra_cost): Increase idiv cost.

From-SVN: r248951

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 7eb352876267b022f284ef2a5a08375647fd2a34..eb818fc2d69fad1603e07247d3706346900be288 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2017-06-07  Tamar Christina  <tamar.christina@arm.com>
+
+       * config/arm/aarch-cost-tables.h (cortexa53_extra_cost): Increase idiv cost.
+
 2017-06-07  Tamar Christina  <tamar.christina@arm.com>
 
        * config/aarch64/aarch64.md

diff --git a/gcc/config/arm/aarch-cost-tables.h b/gcc/config/arm/aarch-cost-tables.h
index da8ca1b989cdbe5035372a183648179bf7cc65af..dc67faf9ab42b792ef9ce5c875c1bf41917814db 100644 (file)
--- a/gcc/config/arm/aarch-cost-tables.h
+++ b/gcc/config/arm/aarch-cost-tables.h
@@ -154,7 +154,7 @@ const struct cpu_cost_table cortexa53_extra_costs =
       COSTS_N_INSNS (1),       /* extend.  */
       COSTS_N_INSNS (1),       /* add.  */
       COSTS_N_INSNS (1),       /* extend_add.  */
-      COSTS_N_INSNS (7)                /* idiv.  */
+      COSTS_N_INSNS (9)                /* idiv.  */
     },
     /* MULT DImode */
     {