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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /arch/sparc/lib/ashrdi3.S
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/sparc/lib/ashrdi3.S')
-rw-r--r--arch/sparc/lib/ashrdi3.S40
1 files changed, 40 insertions, 0 deletions
diff --git a/arch/sparc/lib/ashrdi3.S b/arch/sparc/lib/ashrdi3.S
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+++ b/arch/sparc/lib/ashrdi3.S
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+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * ashrdi3.S: The filesystem code creates all kinds of references to
+ * this little routine on the sparc with gcc.
+ *
+ * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
+ */
+
+#include <linux/export.h>
+#include <linux/linkage.h>
+
+ .text
+ENTRY(__ashrdi3)
+ tst %o2
+ be 3f
+ or %g0, 32, %g2
+
+ sub %g2, %o2, %g2
+
+ tst %g2
+ bg 1f
+ sra %o0, %o2, %o4
+
+ sra %o0, 31, %o4
+ sub %g0, %g2, %g2
+ ba 2f
+ sra %o0, %g2, %o5
+
+1:
+ sll %o0, %g2, %g3
+ srl %o1, %o2, %g2
+ or %g2, %g3, %o5
+2:
+ or %g0, %o4, %o0
+ or %g0, %o5, %o1
+3:
+ jmpl %o7 + 8, %g0
+ nop
+ENDPROC(__ashrdi3)
+EXPORT_SYMBOL(__ashrdi3)