Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=2704afebecc8e268e8c873b6dfab2077d679b593
Commit: 2704afebecc8e268e8c873b6dfab2077d679b593
Parent: 606bf782846163b87868d8cdd46f44241c0c2a6b
Author: Ralf Baechle <[EMAIL PROTECTED]>
AuthorDate: Fri Aug 24 13:47:45 2007 +0100
Committer: Ralf Baechle <[EMAIL PROTECTED]>
CommitDate: Mon Aug 27 02:17:00 2007 +0100
[MIPS] Add __cmpdi2
Certain 32-bit kernel configurations seem to be able to cause references,
this was observed with gcc 4.1.2.
Signed-off-by: Ralf Baechle <[EMAIL PROTECTED]>
---
arch/mips/lib/Makefile | 2 +-
arch/mips/lib/cmpdi2.c | 27 +++++++++++++++++++++++++++
2 files changed, 28 insertions(+), 1 deletions(-)
diff --git a/arch/mips/lib/Makefile b/arch/mips/lib/Makefile
index 91ed1eb..8810dfb 100644
--- a/arch/mips/lib/Makefile
+++ b/arch/mips/lib/Makefile
@@ -28,4 +28,4 @@ obj-$(CONFIG_CPU_TX49XX) += dump_tlb.o
obj-$(CONFIG_CPU_VR41XX) += dump_tlb.o
# libgcc-style stuff needed in the kernel
-obj-y += ashldi3.o ashrdi3.o lshrdi3.o ucmpdi2.o
+obj-y += ashldi3.o ashrdi3.o cmpdi2.o lshrdi3.o ucmpdi2.o
diff --git a/arch/mips/lib/cmpdi2.c b/arch/mips/lib/cmpdi2.c
new file mode 100644
index 0000000..8c13064
--- /dev/null
+++ b/arch/mips/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);
-
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