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| author | Tianon Gravi <admwiggin@gmail.com> | 2015-01-15 12:50:40 -0700 |
|---|---|---|
| committer | Tianon Gravi <admwiggin@gmail.com> | 2015-01-15 12:50:40 -0700 |
| commit | 2a0db60599fdd75b1bc3e297180fbe1282763759 (patch) | |
| tree | 68d43c3e30d9ab961ddf6b7365201ca6b675b253 /src/math/log10_386.s | |
| parent | ef33cba3c8de6c431df56503df51fcd3a473c89e (diff) | |
| parent | f154da9e12608589e8d5f0508f908a0c3e88a1bb (diff) | |
| download | golang-2a0db60599fdd75b1bc3e297180fbe1282763759.tar.gz | |
Merge tag 'upstream/1.4' into debian-experimental
* tag 'upstream/1.4':
Imported Upstream version 1.4
Diffstat (limited to 'src/math/log10_386.s')
| -rw-r--r-- | src/math/log10_386.s | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/math/log10_386.s b/src/math/log10_386.s new file mode 100644 index 000000000..2897f3c15 --- /dev/null +++ b/src/math/log10_386.s @@ -0,0 +1,21 @@ +// 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 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 |