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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 13:16:40 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 13:16:40 +0000
commit47ab3d4a42e9ab51c465c4322d2ec233f6324e6b (patch)
treea61a0ffd83f4a3def4b36e5c8e99630c559aa723 /src/math/modf_arm64.s
parentInitial commit. (diff)
downloadgolang-1.18-upstream.tar.xz
golang-1.18-upstream.zip
Adding upstream version 1.18.10.upstream/1.18.10upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/math/modf_arm64.s')
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1 files changed, 18 insertions, 0 deletions
diff --git a/src/math/modf_arm64.s b/src/math/modf_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 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