summaryrefslogtreecommitdiff
path: root/arch/arm/lib/ashrdi3.S
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/lib/ashrdi3.S')
-rw-r--r--arch/arm/lib/ashrdi3.S28
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/arm/lib/ashrdi3.S b/arch/arm/lib/ashrdi3.S
new file mode 100644
index 0000000..c74fd64
--- /dev/null
+++ b/arch/arm/lib/ashrdi3.S
@@ -0,0 +1,28 @@
+/* Copyright 1995, 1996, 1998, 1999, 2000, 2003, 2004, 2005
+ Free Software Foundation, Inc.
+
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <linux/linkage.h>
+
+#ifdef __ARMEB__
+#define al r1
+#define ah r0
+#else
+#define al r0
+#define ah r1
+#endif
+
+.globl __ashrdi3
+__ashrdi3:
+ENTRY(__aeabi_lasr)
+
+ subs r3, r2, #32
+ rsb ip, r2, #32
+ movmi al, al, lsr r2
+ movpl al, ah, asr r3
+ orrmi al, al, ah, lsl ip
+ mov ah, ah, asr r2
+ mov pc, lr
+ENDPROC(__aeabi_lasr)