| // 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. | |
| // func Fabs(x float64) float64 | |
| TEXT ·Fabs(SB),7,$0 | |
| MOVQ $(1<<63), BX | |
| MOVQ BX, X0 // movsd $(-0.0), x0 | |
| MOVSD x+0(FP), X1 | |
| ANDNPD X1, X0 | |
| MOVSD X0, r+8(FP) | |
| RET |