From: Luis Machado <luis.machado@linaro.org>
Date: Thu, 24 May 2018 14:37:21 +0000 (+0000)
Subject: [AArch64, Falkor] Falkor address costs tuning
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=8d39ea2f9d6fe301885a3ca1064ecec8e689ab12;p=gcc.git

[AArch64, Falkor] Falkor address costs tuning

Switch from using generic address costs to using Falkor-specific ones, which
give Falkor better results overall.

gcc/ChangeLog:

2018-05-24  Luis Machado  <luis.machado@linaro.org>

	* config/aarch64/aarch64.c (qdf24xx_addrcost_table): New static
	global.
	(qdf24xx_tunings) <addr_costs>: Set to qdf24xx_addrcost_table.

From-SVN: r260675
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 1500fc098cc..1143e146a68 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2018-05-24  Luis Machado  <luis.machado@linaro.org>
+
+	* config/aarch64/aarch64.c (qdf24xx_addrcost_table): New static
+	global.
+	(qdf24xx_tunings) <addr_costs>: Set to qdf24xx_addrcost_table.
+
 2018-05-24  Richard Sandiford  <richard.sandiford@linaro.org>
 
 	* match.pd: Delay FMA folds until after vectorization.
diff --git a/gcc/config/aarch64/aarch64.c b/gcc/config/aarch64/aarch64.c
index 9e385e09035..04dedd2f7e0 100644
--- a/gcc/config/aarch64/aarch64.c
+++ b/gcc/config/aarch64/aarch64.c
@@ -317,6 +317,22 @@ static const struct cpu_addrcost_table thunderx2t99_addrcost_table =
   0, /* imm_offset  */
 };
 
+static const struct cpu_addrcost_table qdf24xx_addrcost_table =
+{
+    {
+      1, /* hi  */
+      1, /* si  */
+      1, /* di  */
+      2, /* ti  */
+    },
+  1, /* pre_modify  */
+  1, /* post_modify  */
+  3, /* register_offset  */
+  4, /* register_sextend  */
+  3, /* register_zextend  */
+  2, /* imm_offset  */
+};
+
 static const struct cpu_regmove_cost generic_regmove_cost =
 {
   1, /* GP2GP  */
@@ -871,7 +887,7 @@ static const struct tune_params xgene1_tunings =
 static const struct tune_params qdf24xx_tunings =
 {
   &qdf24xx_extra_costs,
-  &generic_addrcost_table,
+  &qdf24xx_addrcost_table,
   &qdf24xx_regmove_cost,
   &generic_vector_cost,
   &generic_branch_cost,