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| author | Austin Clements <austin@google.com> | 2014-10-22 13:25:37 -0400 |
|---|---|---|
| committer | Austin Clements <austin@google.com> | 2014-10-22 13:25:37 -0400 |
| commit | 800a826ae560191d4dbb6c529eea15cf4349a06f (patch) | |
| tree | c4206bb02365c3b9c66e2946031b86f0ee527faf /src/math/abs_amd64.s | |
| parent | 2c586384223e980fd3303625ea6b02ed5d9fb9c0 (diff) | |
| parent | 1678ee65674b332e900a703de296eb66fbadcf45 (diff) | |
| download | go-800a826ae560191d4dbb6c529eea15cf4349a06f.tar.gz | |
build: merge the great pkg/ rename into dev.power64
This also removes pkg/runtime/traceback_lr.c, which was ported
to Go in an earlier commit and then moved to
runtime/traceback.go.
Reviewer: rsc@golang.org
rsc: LGTM
Diffstat (limited to 'src/math/abs_amd64.s')
| -rw-r--r-- | src/math/abs_amd64.s | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/math/abs_amd64.s b/src/math/abs_amd64.s new file mode 100644 index 000000000..0424eb5fa --- /dev/null +++ b/src/math/abs_amd64.s @@ -0,0 +1,14 @@ +// Copyright 2010 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +#include "textflag.h" + +// func Abs(x float64) float64 +TEXT ·Abs(SB),NOSPLIT,$0 + MOVQ $(1<<63), BX + MOVQ BX, X0 // movsd $(-0.0), x0 + MOVSD x+0(FP), X1 + ANDNPD X1, X0 + MOVSD X0, ret+8(FP) + RET |