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| author | Ondřej Surý <ondrej@sury.org> | 2011-09-13 13:13:40 +0200 |
|---|---|---|
| committer | Ondřej Surý <ondrej@sury.org> | 2011-09-13 13:13:40 +0200 |
| commit | 5ff4c17907d5b19510a62e08fd8d3b11e62b431d (patch) | |
| tree | c0650497e988f47be9c6f2324fa692a52dea82e1 /src/pkg/math/log10_386.s | |
| parent | 80f18fc933cf3f3e829c5455a1023d69f7b86e52 (diff) | |
| download | golang-upstream/60.tar.gz | |
Imported Upstream version 60upstream/60
Diffstat (limited to 'src/pkg/math/log10_386.s')
| -rw-r--r-- | src/pkg/math/log10_386.s | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/pkg/math/log10_386.s b/src/pkg/math/log10_386.s new file mode 100644 index 000000000..cc473b424 --- /dev/null +++ b/src/pkg/math/log10_386.s @@ -0,0 +1,19 @@ +// 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. + +// func Log10(x float64) float64 +TEXT ·Log10(SB),7,$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, r+8(FP) + RET + +// func Log2(x float64) float64 +TEXT ·Log2(SB),7,$0 + FLD1 // F0=1 + FMOVD x+0(FP), F0 // F0=x, F1=1 + FYL2X // F0=log2(x) + FMOVDP F0, r+8(FP) + RET |