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(parent: da346ef) | patch
Tune memcpy and memset for Zen cores.
authorMartin Liska <mliska@suse.cz>
Mon, 1 Jun 2020 11:21:40 +0000 (13:21 +0200)
committerMartin Liska <mliska@suse.cz>
Thu, 30 Jul 2020 08:31:36 +0000 (10:31 +0200)
commitdc65aba7a4725d1b464c8c64a5f739ee910e8943
treed09b112c9faf96dec7c972b1b4338c2ebe381ea3tree
parentda346efd27eca48a8fe2e07d7e18b2c77ead0e2dcommit | diff
Tune memcpy and memset for Zen cores.

Based on the collected numbers in PR95435, I suggest the following
tuning changes:

gcc/ChangeLog:

PR target/95435
* config/i386/x86-tune-costs.h: Use libcall for large sizes for
-m32. Start using libcall from 128+ bytes.
gcc/config/i386/x86-tune-costs.h diff | blob | history