From c8616a1402ec439b71693ed3302e9f9e1b84aa7a Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@sunset.davemloft.net>
Date: Sat, 25 Aug 2007 15:10:44 -0700
Subject: [PATCH] --- yaml --- r: 64549 b: refs/heads/master c:
 6cc0735d0dbf6a0e5f802f47d51e1e463466955c h: refs/heads/master i:   64547:
 45674e46231aee79bb589d825f65924955b1000f v: v3

---
 [refs]                        |  2 +-
 trunk/arch/sparc/lib/Makefile |  3 ++-
 trunk/arch/sparc/lib/cmpdi2.c | 27 +++++++++++++++++++++++++++
 trunk/arch/sparc/lib/libgcc.h | 18 ++++++++++++++++++
 4 files changed, 48 insertions(+), 2 deletions(-)
 create mode 100644 trunk/arch/sparc/lib/cmpdi2.c
 create mode 100644 trunk/arch/sparc/lib/libgcc.h

diff --git a/[refs] b/[refs]
index 972f04ced05e..bd87df780180 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 6c8f5b90bfbe69a27763fb0e181bd2465181446d
+refs/heads/master: 6cc0735d0dbf6a0e5f802f47d51e1e463466955c
diff --git a/trunk/arch/sparc/lib/Makefile b/trunk/arch/sparc/lib/Makefile
index 9ddc5b9ce3bd..76effdbea075 100644
--- a/trunk/arch/sparc/lib/Makefile
+++ b/trunk/arch/sparc/lib/Makefile
@@ -8,6 +8,7 @@ lib-y := mul.o rem.o sdiv.o udiv.o umul.o urem.o ashrdi3.o memcpy.o memset.o \
          strlen.o checksum.o blockops.o memscan.o memcmp.o strncmp.o \
 	 strncpy_from_user.o divdi3.o udivdi3.o strlen_user.o \
 	 copy_user.o locks.o atomic.o \
-	 lshrdi3.o ashldi3.o rwsem.o muldi3.o bitext.o
+	 lshrdi3.o ashldi3.o rwsem.o muldi3.o bitext.o \
+	 cmpdi2.o
 
 obj-y += iomap.o atomic32.o
diff --git a/trunk/arch/sparc/lib/cmpdi2.c b/trunk/arch/sparc/lib/cmpdi2.c
new file mode 100644
index 000000000000..8c1306437ed1
--- /dev/null
+++ b/trunk/arch/sparc/lib/cmpdi2.c
@@ -0,0 +1,27 @@
+#include <linux/module.h>
+
+#include "libgcc.h"
+
+word_type __cmpdi2(long long a, long long b)
+{
+	const DWunion au = {
+		.ll = a
+	};
+	const DWunion bu = {
+		.ll = b
+	};
+
+	if (au.s.high < bu.s.high)
+		return 0;
+	else if (au.s.high > bu.s.high)
+		return 2;
+
+	if ((unsigned int) au.s.low < (unsigned int) bu.s.low)
+		return 0;
+	else if ((unsigned int) au.s.low > (unsigned int) bu.s.low)
+		return 2;
+
+	return 1;
+}
+
+EXPORT_SYMBOL(__cmpdi2);
diff --git a/trunk/arch/sparc/lib/libgcc.h b/trunk/arch/sparc/lib/libgcc.h
new file mode 100644
index 000000000000..b84fd797f3ea
--- /dev/null
+++ b/trunk/arch/sparc/lib/libgcc.h
@@ -0,0 +1,18 @@
+#ifndef __ASM_LIBGCC_H
+#define __ASM_LIBGCC_H
+
+#include <asm/byteorder.h>
+
+typedef int word_type __attribute__ ((mode (__word__)));
+
+struct DWstruct {
+	int high, low;
+};
+
+typedef union
+{
+	struct DWstruct s;
+	long long ll;
+} DWunion;
+
+#endif /* __ASM_LIBGCC_H */