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+// 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