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| author | Wilco Dijkstra <wdijkstr@arm.com> | 2020-01-20 14:29:40 +0000 |
|---|---|---|
| committer | Wilco Dijkstra <wdijkstr@arm.com> | 2020-01-20 14:29:40 +0000 |
| commit | 3a43459715e239fb8043bf64b830aaf1a9802180 (patch) | |
| tree | 5d61d60d48926f7067c5679079f7eeefdb48eb0e /gcc | |
| parent | 45d06a4045bebc3dbaaf0b1c676f4e22b7c6aca1 (diff) | |
| download | gcc-3a43459715e239fb8043bf64b830aaf1a9802180.zip gcc-3a43459715e239fb8043bf64b830aaf1a9802180.tar.gz gcc-3a43459715e239fb8043bf64b830aaf1a9802180.tar.bz2 | |
[AArch64] Set jump-align=4 for neoversen1
Testing shows the setting of 32:16 for jump alignment has a significant
codesize cost, however it doesn't make a difference in performance.
So set jump-align to 4 to get 1.6% codesize improvement.
gcc/
* config/aarch64/aarch64.c (neoversen1_tunings): Set jump_align to 4.
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/config/aarch64/aarch64.c | 2 |
2 files changed, 5 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 8db7c81..31b7305 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2020-01-20 Wilco Dijkstra <wdijkstr@arm.com> + + * config/aarch64/aarch64.c (neoversen1_tunings): Set jump_align to 4. + 2020-01-20 Andrew Pinski <apinski@marvell.com> PR middle-end/93242 diff --git a/gcc/config/aarch64/aarch64.c b/gcc/config/aarch64/aarch64.c index c26ac0d..e407503 100644 --- a/gcc/config/aarch64/aarch64.c +++ b/gcc/config/aarch64/aarch64.c @@ -1132,7 +1132,7 @@ static const struct tune_params neoversen1_tunings = 3, /* issue_rate */ (AARCH64_FUSE_AES_AESMC | AARCH64_FUSE_CMP_BRANCH), /* fusible_ops */ "32:16", /* function_align. */ - "32:16", /* jump_align. */ + "4", /* jump_align. */ "32:16", /* loop_align. */ 2, /* int_reassoc_width. */ 4, /* fp_reassoc_width. */ |