[PATCH] [AArch64] Enable AES and cmp_branch fusion for Thunderx2t99

[Hurugalawadi, Naveen]

Hi,

Please find attached the patch that adds AES and CMP_BRANCH
fusion for Thunderx2t99.

Bootstrapped and Regression tested on aarch64-thunderx2t99.
Please review the patch and let us know if its okay?

2017-1-25  Naveen H.S <naveen.hurugalaw...@cavium.com>

gcc
        * config/aarch64/aarch64.c (thunderx2t99_tunings):
        Improve vector initialization code gen.

Thanks,
Naveen
diff --git a/gcc/config/aarch64/aarch64.c b/gcc/config/aarch64/aarch64.c
index f343d92..acaa975 100644
--- a/gcc/config/aarch64/aarch64.c
+++ b/gcc/config/aarch64/aarch64.c
@@ -780,7 +780,7 @@ static const struct tune_params thunderx2t99_tunings =
   &generic_approx_modes,
   4, /* memmov_cost.  */
   4, /* issue_rate.  */
-  AARCH64_FUSE_NOTHING, /* fuseable_ops.  */
+  (AARCH64_FUSE_CMP_BRANCH | AARCH64_FUSE_AES_AESMC), /* fusible_ops  */
   16,	/* function_align.  */
   8,	/* jump_align.  */
   16,	/* loop_align.  */