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| author | Martin Möhrmann <moehrmann@google.com> | 2017-04-24 16:59:33 +0200 |
|---|---|---|
| committer | Martin Möhrmann <moehrmann@google.com> | 2017-04-25 04:50:04 +0000 |
| commit | b64e817853531cc73dd5fd13a5038434283d3e5b (patch) | |
| tree | fa4dc1b0fbbc0fa8adb6a72751eed7277a1e3f61 /src/runtime/memmove_amd64.s | |
| parent | 16271b8b52b059b892165d7dd32ecd4ff1070347 (diff) | |
| download | go-git-b64e817853531cc73dd5fd13a5038434283d3e5b.tar.gz | |
runtime: simplify detection of preference to use AVX memmove
Reduces cmd/go by 4464 bytes on amd64.
Removes the duplicate detection of AVX support and
presence of Intel processors.
Change-Id: I4670189951a63760fae217708f68d65e94a30dc5
Reviewed-on: https://go-review.googlesource.com/41570
Reviewed-by: Keith Randall <khr@golang.org>
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Diffstat (limited to 'src/runtime/memmove_amd64.s')
| -rw-r--r-- | src/runtime/memmove_amd64.s | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/runtime/memmove_amd64.s b/src/runtime/memmove_amd64.s index ed674fe40b..510d0d694b 100644 --- a/src/runtime/memmove_amd64.s +++ b/src/runtime/memmove_amd64.s @@ -64,8 +64,8 @@ tail: JBE move_129through256 // TODO: use branch table and BSR to make this just a single dispatch - TESTB $1, runtime·useRepMovs(SB) - JZ avxUnaligned + TESTB $1, runtime·useAVXmemmove(SB) + JNZ avxUnaligned /* * check and set for backwards |