From: Daniel Axtens Date: Tue, 26 Apr 2016 13:49:09 +0000 (+1000) Subject: powerpc: rework sparse for lib/xor_vmx.c X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=8fe088850f13eabf8197df5b0bf38668fa6c1294;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git powerpc: rework sparse for lib/xor_vmx.c 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 Signed-off-by: Daniel Axtens Tested-by: Balbir Singh Signed-off-by: Michael Ellerman --- 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 */ + +/* + * Sparse (as at v0.5.0) gets very, very confused by this file. + * Make it a bit simpler for it. + */ +#if !defined(__CHECKER__) #include +#else +#define vec_xor(a, b) a ^ b +#define vector __attribute__((vector_size(16))) +#endif #include #include