diff options
Diffstat (limited to 'src/pkg/math/modf_386.s')
| -rw-r--r-- | src/pkg/math/modf_386.s | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/src/pkg/math/modf_386.s b/src/pkg/math/modf_386.s index 5ccab9812..f5dc415c3 100644 --- a/src/pkg/math/modf_386.s +++ b/src/pkg/math/modf_386.s @@ -2,18 +2,18 @@ // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. -// func Modf(x float64) (int float64, frac float64) +// func Modf(f float64) (int float64, frac float64) TEXT ·Modf(SB),7,$0 - FMOVD x+0(FP), F0 // F0=x - FMOVD F0, F1 // F0=x, F1=x + FMOVD f+0(FP), F0 // F0=f + FMOVD F0, F1 // F0=f, F1=f FSTCW -2(SP) // save old Control Word MOVW -2(SP), AX ORW $0x0c00, AX // Rounding Control set to truncate MOVW AX, -4(SP) // store new Control Word FLDCW -4(SP) // load new Control Word - FRNDINT // F0=trunc(x), F1=x + FRNDINT // F0=trunc(f), F1=f FLDCW -2(SP) // load old Control Word - FSUBD F0, F1 // F0=trunc(x), F1=x-trunc(x) - FMOVDP F0, i+8(FP) // F0=x-trunc(x) - FMOVDP F0, f+16(FP) + FSUBD F0, F1 // F0=trunc(f), F1=f-trunc(f) + FMOVDP F0, int+8(FP) // F0=f-trunc(f) + FMOVDP F0, frac+16(FP) RET |