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[aarch64] Add xgene1 prefetch tunings.

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2018-11-23  Christoph Muellner  <christoph.muellner@theobroma-systems.com>
            Philipp Tomsich <philipp.tomsich@theobroma-systems.com>

	* config/aarch64/aarch64.c (xgene1_tunings): Add Xgene1 specific
	prefetch tunings.

Co-Authored-By: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>

From-SVN: r266413
This commit is contained in:
Christoph Muellner 2018-11-23 17:49:40 +00:00 committed by Philipp Tomsich
parent 52ddefd88c
commit d5e9851e4d
2 changed files with 14 additions and 1 deletions
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gcc/ChangeLog
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@ -1,6 +1,8 @@
2018-11-23 Christoph Muellner <christoph.muellner@theobroma-systems.com>
Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
* config/aarch64/aarch64.c (xgene1_tunings): Add Xgene1 specific
prefetch tunings.
* config/aarch64/aarch64.c (xgene1_addrcost_table): Correct the post-modify
costs.
* config/arm/aarch-cost-tables.h (xgene1_extra_costs): Update the cost table

13
gcc/config/aarch64/aarch64.c
View File

@ -662,6 +662,17 @@ static const cpu_prefetch_tune tsv110_prefetch_tune =
-1 /* default_opt_level */
};
static const cpu_prefetch_tune xgene1_prefetch_tune =
{
8, /* num_slots */
32, /* l1_cache_size */
64, /* l1_cache_line_size */
256, /* l2_cache_size */
true, /* prefetch_dynamic_strides */
-1, /* minimum_stride */
-1 /* default_opt_level */
};
static const struct tune_params generic_tunings =
{
&cortexa57_extra_costs,
@ -943,7 +954,7 @@ static const struct tune_params xgene1_tunings =
0, /* max_case_values. */
tune_params::AUTOPREFETCHER_OFF, /* autoprefetcher_model. */
(AARCH64_EXTRA_TUNE_NO_LDP_STP_QREGS), /* tune_flags. */
&generic_prefetch_tune
&xgene1_prefetch_tune
};
static const struct tune_params qdf24xx_tunings =