| // Copyright 2011 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 archSqrt(x float64) float64 | 
 | TEXT ·archSqrt(SB),NOSPLIT,$0 | 
 | 	MOVB	runtime·goarm(SB), R11 | 
 | 	CMP	$5, R11 | 
 | 	BEQ	arm5 | 
 | 	MOVD	x+0(FP),F0 | 
 | 	SQRTD	F0,F0 | 
 | 	MOVD	F0,ret+8(FP) | 
 | 	RET | 
 | arm5: | 
 | 	// Tail call to Go implementation. | 
 | 	// Can't use JMP, as in softfloat mode SQRTD is rewritten | 
 | 	// to a CALL, which makes this function have a frame. | 
 | 	RET	·sqrt(SB) |