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Diffstat (limited to 'src/math/mod_386.s')
-rw-r--r-- | src/math/mod_386.s | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/math/mod_386.s b/src/math/mod_386.s new file mode 100644 index 000000000..10ad98be3 --- /dev/null +++ b/src/math/mod_386.s @@ -0,0 +1,17 @@ +// 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 Mod(x, y float64) float64 +TEXT ·Mod(SB),NOSPLIT,$0 + FMOVD y+8(FP), F0 // F0=y + FMOVD x+0(FP), F0 // F0=x, F1=y + FPREM // F0=reduced_x, F1=y + FSTSW AX // AX=status word + ANDW $0x0400, AX + JNE -3(PC) // jump if reduction incomplete + FMOVDP F0, F1 // F0=x-q*y + FMOVDP F0, ret+16(FP) + RET |