root/src/pkg/math/log10_386.s

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// 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 "../../cmd/ld/textflag.h"

// func Log10(x float64) float64
TEXT ·Log10(SB),NOSPLIT,$0
        FLDLG2               // F0=log10(2)
        FMOVD   x+0(FP), F0  // F0=x, F1=log10(2)
        FYL2X                // F0=log10(x)=log2(x)*log10(2)
        FMOVDP  F0, ret+8(FP)
        RET

// func Log2(x float64) float64
TEXT ·Log2(SB),NOSPLIT,$0
        FLD1                 // F0=1
        FMOVD   x+0(FP), F0  // F0=x, F1=1
        FYL2X                // F0=log2(x)
        FMOVDP  F0, ret+8(FP)
        RET
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