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-rw-r--r--arch/sparc/lib/lshrdi3.S30
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/sparc/lib/lshrdi3.S b/arch/sparc/lib/lshrdi3.S
new file mode 100644
index 000000000..509ca6682
--- /dev/null
+++ b/arch/sparc/lib/lshrdi3.S
@@ -0,0 +1,30 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#include <linux/linkage.h>
+#include <asm/export.h>
+
+ENTRY(__lshrdi3)
+ cmp %o2, 0
+ be 3f
+ mov 0x20, %g2
+
+ sub %g2, %o2, %g2
+ cmp %g2, 0
+ bg 1f
+ srl %o0, %o2, %o4
+
+ clr %o4
+ neg %g2
+ b 2f
+ srl %o0, %g2, %o5
+1:
+ sll %o0, %g2, %g3
+ srl %o1, %o2, %g2
+ or %g2, %g3, %o5
+2:
+ mov %o4, %o0
+ mov %o5, %o1
+3:
+ retl
+ nop
+ENDPROC(__lshrdi3)
+EXPORT_SYMBOL(__lshrdi3)