| commit | fa58fe140a6249871068fbd3012c9e15103af5b5 | |
| author | wilco <wilco@138bc75d-0d04-0410-961f-82ee72b054a4> | |
| Thu, 4 May 2017 17:49:19 +0000 (4 17:49 +0000) | ||
| committer | wilco <wilco@138bc75d-0d04-0410-961f-82ee72b054a4> | |
| Thu, 4 May 2017 17:49:19 +0000 (4 17:49 +0000) | ||
| tree | 6518542f9e55174825be51aff173b9586226b831 | treesnapshot (tar.gz zip) |
| parent | dab75e15b503e2c2527e8b2e00c691e6fdae4555 | commitdiff |
Set jump alignment to 4 for Cortex cores as it reduces codesize by 0.4% on
average with no obvious performance difference. See original discussion of
the overheads of various alignments:
https://gcc.gnu.org/ml/gcc-patches/2016-06/msg02075.html.
gcc/
* config/aarch64/aarch64.c (cortexa35_tunings): Set jump alignment to 4.
(cortexa53_tunings): Likewise.
(cortexa57_tunings): Likewise.
(cortexa72_tunings): Likewise.
(cortexa73_tunings): Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@247609 138bc75d-0d04-0410-961f-82ee72b054a4
average with no obvious performance difference. See original discussion of
the overheads of various alignments:
https://gcc.gnu.org/ml/gcc-patches/2016-06/msg02075.html.
gcc/
* config/aarch64/aarch64.c (cortexa35_tunings): Set jump alignment to 4.
(cortexa53_tunings): Likewise.
(cortexa57_tunings): Likewise.
(cortexa72_tunings): Likewise.
(cortexa73_tunings): Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@247609 138bc75d-0d04-0410-961f-82ee72b054a4
| gcc/ChangeLog | diffblobblamehistory | |
| gcc/config/aarch64/aarch64.c | diffblobblamehistory |