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 Log(x float64) float64 8 TEXT Log(SB),NOSPLIT,$0 9 FLDLN2 // F0=log(2) 10 FMOVD x+0(FP), F0 // F0=x, F1=log(2) 11 FYL2X // F0=log(x)=log2(x)*log(2) 12 FMOVDP F0, ret+8(FP) 13 RET 14
