Sparse doesn't seem to be passing -maltivec around properly, leading to lots of errors:
.../include/altivec.h:34:2: error: Use the "-maltivec" flag to enable PowerPC AltiVec support arch/powerpc/lib/xor_vmx.c:27:16: error: Expected ; at end of declaration arch/powerpc/lib/xor_vmx.c:27:16: error: got signed arch/powerpc/lib/xor_vmx.c:60:9: error: No right hand side of '*'-expression arch/powerpc/lib/xor_vmx.c:60:9: error: Expected ; at end of statement arch/powerpc/lib/xor_vmx.c:60:9: error: got v1_in ... arch/powerpc/lib/xor_vmx.c:87:9: error: too many errors Only include the altivec.h header for non-__CHECKER__ builds. For builds with __CHECKER__, make up some stubs instead, as suggested by Balbir. (The vector size of 16 is arbitrary.) Suggested-by: Balbir Singh <bsinghar...@gmail.com> Signed-off-by: Daniel Axtens <d...@axtens.net> --- This version works, which is - embarassingly - an improvement over v1. I should test things better, sorry. --- arch/powerpc/lib/xor_vmx.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/arch/powerpc/lib/xor_vmx.c b/arch/powerpc/lib/xor_vmx.c index 07f49f1568e5..f9de69a04e88 100644 --- a/arch/powerpc/lib/xor_vmx.c +++ b/arch/powerpc/lib/xor_vmx.c @@ -17,7 +17,17 @@ * * Author: Anton Blanchard <an...@au.ibm.com> */ + +/* + * Sparse (as at v0.5.0) gets very, very confused by this file. + * Make it a bit simpler for it. + */ +#if !defined(__CHECKER__) #include <altivec.h> +#else +#define vec_xor(a, b) a ^ b +#define vector __attribute__((vector_size(16))) +#endif #include <linux/preempt.h> #include <linux/export.h> -- 2.5.0 _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
