Text file
src/math/modf_arm64.s
1 // Copyright 2016 The Go Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style
3 // license that can be found in the LICENSE file.
4
5 #include "textflag.h"
6
7 // func archModf(f float64) (int float64, frac float64)
8 TEXT ·archModf(SB),NOSPLIT,$0
9 MOVD f+0(FP), R0
10 FMOVD R0, F0
11 FRINTZD F0, F1
12 FMOVD F1, int+8(FP)
13 FSUBD F1, F0
14 FMOVD F0, R1
15 AND $(1<<63), R0
16 ORR R0, R1 // must have same sign
17 MOVD R1, frac+16(FP)
18 RET
19
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