From 392e8802486cb573b916e746010e141a75f507e6 Mon Sep 17 00:00:00 2001
From: Kevin
Date: Sat, 15 Nov 2014 09:58:27 +0800
Subject: init android origin source code

---
 ANDROID_3.4.5/arch/sparc/lib/strncmp_32.S | 118 ++++++++++++++++++++++++++++++
 1 file changed, 118 insertions(+)
 create mode 100644 ANDROID_3.4.5/arch/sparc/lib/strncmp_32.S

(limited to 'ANDROID_3.4.5/arch/sparc/lib/strncmp_32.S')

diff --git a/ANDROID_3.4.5/arch/sparc/lib/strncmp_32.S b/ANDROID_3.4.5/arch/sparc/lib/strncmp_32.S
new file mode 100644
index 00000000..494ec664
--- /dev/null
+++ b/ANDROID_3.4.5/arch/sparc/lib/strncmp_32.S
@@ -0,0 +1,118 @@
+/*
+ * strncmp.S: Hand optimized Sparc assembly of GCC output from GNU libc
+ *            generic strncmp routine.
+ */
+
+	.text
+	.align 4
+	.global __strncmp, strncmp
+__strncmp:
+strncmp:
+	mov	%o0, %g3
+	mov	0, %o3
+
+	cmp	%o2, 3
+	ble	7f
+	 mov	0, %g2
+
+	sra	%o2, 2, %o4
+	ldub	[%g3], %o3
+
+0:
+	ldub	[%o1], %g2
+	add	%g3, 1, %g3
+	and	%o3, 0xff, %o0
+
+	cmp	%o0, 0
+	be	8f
+	 add	%o1, 1, %o1
+
+	cmp	%o0, %g2
+	be,a	1f
+	 ldub	[%g3], %o3
+
+	retl
+	 sub	%o0, %g2, %o0
+
+1:
+	ldub	[%o1], %g2
+	add	%g3,1, %g3
+	and	%o3, 0xff, %o0
+
+	cmp	%o0, 0
+	be	8f
+	 add	%o1, 1, %o1
+
+	cmp	%o0, %g2
+	be,a	1f
+	 ldub	[%g3], %o3
+
+	retl
+	 sub	%o0, %g2, %o0
+
+1:
+	ldub	[%o1], %g2
+	add	%g3, 1, %g3
+	and	%o3, 0xff, %o0
+
+	cmp	%o0, 0
+	be	8f
+	 add	%o1, 1, %o1
+
+	cmp	%o0, %g2
+	be,a	1f
+	 ldub	[%g3], %o3
+
+	retl
+	 sub	%o0, %g2, %o0
+
+1:
+	ldub	[%o1], %g2
+	add	%g3, 1, %g3
+	and	%o3, 0xff, %o0
+
+	cmp	%o0, 0
+	be	8f
+	 add	%o1, 1, %o1
+
+	cmp	%o0, %g2
+	be	1f
+	 add	%o4, -1, %o4
+
+	retl
+	 sub	%o0, %g2, %o0
+
+1:
+
+	cmp	%o4, 0
+	bg,a	0b
+	 ldub	[%g3], %o3
+
+	b	7f
+	 and	%o2, 3, %o2
+
+9:
+	ldub	[%o1], %g2
+	add	%g3, 1, %g3
+	and	%o3, 0xff, %o0
+
+	cmp	%o0, 0
+	be	8f
+	 add	%o1, 1, %o1
+
+	cmp	%o0, %g2
+	be	7f
+	 add	%o2, -1, %o2
+
+8:
+	retl
+	 sub	%o0, %g2, %o0
+
+7:
+	cmp	%o2, 0
+	bg,a	9b
+	 ldub	[%g3], %o3
+
+	and	%g2, 0xff, %o0
+	retl
+	 sub	%o3, %o0, %o0
-- 
cgit