Text file src/pkg/math/atan_386.s

     1	// Copyright 2010 The Go Authors. All rights reserved.
     2	// Use of this source code is governed by a BSD-style
     3	// license that can be found in the LICENSE file.
     4	
     5	#include "textflag.h"
     6	
     7	// func Atan(x float64) float64
     8	TEXT ·Atan(SB),NOSPLIT,$0
     9		FMOVD   x+0(FP), F0  // F0=x
    10		FLD1                 // F0=1, F1=x
    11		FPATAN               // F0=atan(F1/F0)
    12		FMOVDP  F0, ret+8(FP)
    13		RET

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