aarch64.c (qdf24xx_prefetch_tune): Set to 512.

2018-05-07  Luis Machado  <luis.machado@linaro.org>

	* config/aarch64/aarch64.c (qdf24xx_prefetch_tune) <l2_cache_size>: Set
	to 512.

From-SVN: r259998

gcc/ChangeLog

 2018-05-07  Luis Machado  <luis.machado@linaro.org>
 
+	* config/aarch64/aarch64.c (qdf24xx_prefetch_tune) <l2_cache_size>: Set
+	to 512.
+
+2018-05-07  Luis Machado  <luis.machado@linaro.org>
+
 	gcc/
 	* config/aarch64/aarch64-protos.h (cpu_prefetch_tune)
 	<prefetch_dynamic_strides>: New const bool field.

gcc/config/aarch64/aarch64.c

@@ -568,7 +568,7 @@ static const cpu_prefetch_tune qdf24xx_prefetch_tune =
   4,			/* num_slots  */
   32,			/* l1_cache_size  */
   64,			/* l1_cache_line_size  */
-  1024,			/* l2_cache_size  */
+  512,			/* l2_cache_size  */
   false,		/* prefetch_dynamic_strides */
   2048,			/* minimum_stride */
   3			/* default_opt_level  */