blob: 0b64b507b22ca584ed74f881b2b8485e11d613c2 [file] [log] [blame]
// 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 "textflag.h"
// func Log(x float64) float64
TEXT ┬ĚLog(SB),NOSPLIT,$0
FLDLN2 // F0=log(2)
FMOVD x+0(FP), F0 // F0=x, F1=log(2)
FYL2X // F0=log(x)=log2(x)*log(2)
FMOVDP F0, ret+8(FP)
RET