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Diffstat (limited to 'src/pkg/math/floor_386.s')
| -rw-r--r-- | src/pkg/math/floor_386.s | 46 |
1 files changed, 0 insertions, 46 deletions
diff --git a/src/pkg/math/floor_386.s b/src/pkg/math/floor_386.s deleted file mode 100644 index 31c9b174d..000000000 --- a/src/pkg/math/floor_386.s +++ /dev/null @@ -1,46 +0,0 @@ -// 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 Ceil(x float64) float64 -TEXT ·Ceil(SB),NOSPLIT,$0 - FMOVD x+0(FP), F0 // F0=x - FSTCW -2(SP) // save old Control Word - MOVW -2(SP), AX - ANDW $0xf3ff, AX - ORW $0x0800, AX // Rounding Control set to +Inf - MOVW AX, -4(SP) // store new Control Word - FLDCW -4(SP) // load new Control Word - FRNDINT // F0=Ceil(x) - FLDCW -2(SP) // load old Control Word - FMOVDP F0, ret+8(FP) - RET - -// func Floor(x float64) float64 -TEXT ·Floor(SB),NOSPLIT,$0 - FMOVD x+0(FP), F0 // F0=x - FSTCW -2(SP) // save old Control Word - MOVW -2(SP), AX - ANDW $0xf3ff, AX - ORW $0x0400, AX // Rounding Control set to -Inf - MOVW AX, -4(SP) // store new Control Word - FLDCW -4(SP) // load new Control Word - FRNDINT // F0=Floor(x) - FLDCW -2(SP) // load old Control Word - FMOVDP F0, ret+8(FP) - RET - -// func Trunc(x float64) float64 -TEXT ·Trunc(SB),NOSPLIT,$0 - FMOVD x+0(FP), F0 // F0=x - 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) - FLDCW -2(SP) // load old Control Word - FMOVDP F0, ret+8(FP) - RET |