path: root/arch/alpha/include
diff options
authorLinus Torvalds <torvalds@linux-foundation.org>2021-09-18 14:45:48 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2021-09-18 14:45:48 -0700
commitd4d016caa4b85b9aa98d7ec8c84e928621a614bc (patch)
tree1eef0dcde02bb60b6c8183010b5eab5fc0dd8269 /arch/alpha/include
parentalpha: mark 'Jensen' platform as no longer broken (diff)
alpha: move __udiv_qrnnd library function to arch/alpha/lib/
We already had the implementation for __udiv_qrnnd (unsigned divide for multi-precision arithmetic) as part of the alpha math emulation code. But you can disable the math emulation code - even if you shouldn't - and then the MPI code that actually wants this functionality (and is needed by various crypto functions) will fail to build. So move the extended-precision divide code to be a regular library function, just like all the regular division code is. That way ie is available regardless of math-emulation. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/alpha/include')
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/alpha/include/asm/asm-prototypes.h b/arch/alpha/include/asm/asm-prototypes.h
index b34cc1f06720..c8ae46fc2e74 100644
--- a/arch/alpha/include/asm/asm-prototypes.h
+++ b/arch/alpha/include/asm/asm-prototypes.h
@@ -16,3 +16,4 @@ extern void __divlu(void);
extern void __remlu(void);
extern void __divqu(void);
extern void __remqu(void);
+extern unsigned long __udiv_qrnnd(unsigned long *, unsigned long, unsigned long , unsigned long);