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Diffstat (limited to 'src/math/modf_arm64.s')
| -rw-r--r-- | src/math/modf_arm64.s | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/math/modf_arm64.s b/src/math/modf_arm64.s new file mode 100644 index 0000000..1e4a329 --- /dev/null +++ b/src/math/modf_arm64.s @@ -0,0 +1,18 @@ +// 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 archModf(f float64) (int float64, frac float64) +TEXT ·archModf(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 |