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[Aarch64] Fix vec_perm cost for thunderx2t99
authorAnton Youdkevitch <anton.youdkevitch@bell-sw.com>
Tue, 5 Nov 2019 12:07:53 +0000 (12:07 +0000)
committerKyrylo Tkachov <ktkachov@gcc.gnu.org>
Tue, 5 Nov 2019 12:07:53 +0000 (12:07 +0000)
commit5aef51c2199f69885a43592db3a1ec15f43f4064
tree9888b1756735b62776655eaa948ead48faf33e6ftree
parentdd2f3208c17a65184e4f4271e41fce7c7cddebc5commit | diff
[Aarch64] Fix vec_perm cost for thunderx2t99

Here is the one-liner that fixes the incorrect
vec_perm cost for thunderx2t99 chip.
With the patch applied 526.blender of CPU2017
gets ~5% improvement with no measurable changes
for other benchmarks.

2019-11-05  Anton Youdkevitch  <anton.youdkevitch@bell-sw.com>

* config/aarch64/aarch64.c (thunderx2t99_vector_cost):
Change vec_perm field to 10.

From-SVN: r277826
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gcc/config/aarch64/aarch64.c diff | blob | history