| // Copyright 2009 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 Sqrt(x float64) float64 | |
| TEXT ·Sqrt(SB), NOSPLIT, $0 | |
| XORPS X0, X0 // break dependency | |
| SQRTSD x+0(FP), X0 | |
| MOVSD X0, ret+8(FP) | |
| RET |