[aarch64] Update xgene1 tuning struct.

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

	* config/aarch64/aarch64.c (xgene1_tunings): Optimize Xgene1 tunings
	for GCC 9.

Co-Authored-By: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
From-SVN: r266414

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 99538f7..0f3e8ed 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -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): Optimize Xgene1 tunings
+       for GCC 9.
        * config/aarch64/aarch64.c (xgene1_tunings): Add Xgene1 specific
        prefetch tunings.
        * config/aarch64/aarch64.c (xgene1_addrcost_table): Correct the post-modify

diff --git a/gcc/config/aarch64/aarch64.c b/gcc/config/aarch64/aarch64.c
index 7375e06..23d1388 100644 (file)
--- a/gcc/config/aarch64/aarch64.c
+++ b/gcc/config/aarch64/aarch64.c
@@ -944,14 +944,14 @@ static const struct tune_params xgene1_tunings =
   4, /* issue_rate  */
   AARCH64_FUSE_NOTHING, /* fusible_ops  */
   "16",        /* function_align.  */
-  "8", /* jump_align.  */
+  "16",        /* jump_align.  */
   "16",        /* loop_align.  */
   2,   /* int_reassoc_width.  */
   4,   /* fp_reassoc_width.  */
   1,   /* vec_reassoc_width.  */
   2,   /* min_div_recip_mul_sf.  */
   2,   /* min_div_recip_mul_df.  */
-  0,   /* max_case_values.  */
+  17,  /* max_case_values.  */
   tune_params::AUTOPREFETCHER_OFF,     /* autoprefetcher_model.  */
   (AARCH64_EXTRA_TUNE_NO_LDP_STP_QREGS),       /* tune_flags.  */
   &xgene1_prefetch_tune