r277826 - in /trunk/gcc: ChangeLog config/aarch...

ktkachov@gcc.gnu.org ktkachov@gcc.gnu.org
Tue Nov 5 12:07:00 GMT 2019


Author: ktkachov
Date: Tue Nov  5 12:07:53 2019
New Revision: 277826

URL: https://gcc.gnu.org/viewcvs?rev=277826&root=gcc&view=rev
Log:
[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.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/aarch64/aarch64.c



More information about the Gcc-cvs mailing list