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-rw-r--r--src/math/floor_arm64.s26
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diff --git a/src/math/floor_arm64.s b/src/math/floor_arm64.s
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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 archFloor(x float64) float64
+TEXT ·archFloor(SB),NOSPLIT,$0
+ FMOVD x+0(FP), F0
+ FRINTMD F0, F0
+ FMOVD F0, ret+8(FP)
+ RET
+
+// func archCeil(x float64) float64
+TEXT ·archCeil(SB),NOSPLIT,$0
+ FMOVD x+0(FP), F0
+ FRINTPD F0, F0
+ FMOVD F0, ret+8(FP)
+ RET
+
+// func archTrunc(x float64) float64
+TEXT ·archTrunc(SB),NOSPLIT,$0
+ FMOVD x+0(FP), F0
+ FRINTZD F0, F0
+ FMOVD F0, ret+8(FP)
+ RET