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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/arm/lib/ucmpdi2.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/arm/lib/ucmpdi2.S')
-rw-r--r--arch/arm/lib/ucmpdi2.S50
1 files changed, 50 insertions, 0 deletions
diff --git a/arch/arm/lib/ucmpdi2.S b/arch/arm/lib/ucmpdi2.S
new file mode 100644
index 0000000000..679e16a210
--- /dev/null
+++ b/arch/arm/lib/ucmpdi2.S
@@ -0,0 +1,50 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * linux/arch/arm/lib/ucmpdi2.S
+ *
+ * Author: Nicolas Pitre
+ * Created: Oct 19, 2005
+ * Copyright: Monta Vista Software, Inc.
+ */
+
+#include <linux/linkage.h>
+#include <asm/assembler.h>
+
+#ifdef __ARMEB__
+#define xh r0
+#define xl r1
+#define yh r2
+#define yl r3
+#else
+#define xl r0
+#define xh r1
+#define yl r2
+#define yh r3
+#endif
+
+ENTRY(__ucmpdi2)
+
+ cmp xh, yh
+ cmpeq xl, yl
+ movlo r0, #0
+ moveq r0, #1
+ movhi r0, #2
+ ret lr
+
+ENDPROC(__ucmpdi2)
+
+#ifdef CONFIG_AEABI
+
+ENTRY(__aeabi_ulcmp)
+
+ cmp xh, yh
+ cmpeq xl, yl
+ movlo r0, #-1
+ moveq r0, #0
+ movhi r0, #1
+ ret lr
+
+ENDPROC(__aeabi_ulcmp)
+
+#endif
+