blob: 7c70ef33ac2398d43d375091d6a80fea75e2382f [file] [log] [blame] [edit]
// Copyright 2016 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 Modf(f float64) (int float64, frac float64)
TEXT ·Modf(SB),NOSPLIT,$0
MOVD f+0(FP), R0
FMOVD R0, F0
FRINTZD F0, F1
FMOVD F1, int+8(FP)
FSUBD F1, F0
FMOVD F0, R1
AND $(1<<63), R0
ORR R0, R1 // must have same sign
MOVD R1, frac+16(FP)
RET