Author: jlebar Date: Thu Nov 17 18:41:35 2016 New Revision: 287288 URL: http://llvm.org/viewvc/llvm-project?rev=287288&view=rev Log: [CUDA] Wrapper header changes necessary to support MacOS.
Reviewers: tra Subscribers: cfe-commits Differential Revision: https://reviews.llvm.org/D26780 Modified: cfe/trunk/lib/Headers/__clang_cuda_cmath.h cfe/trunk/lib/Headers/__clang_cuda_runtime_wrapper.h Modified: cfe/trunk/lib/Headers/__clang_cuda_cmath.h URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Headers/__clang_cuda_cmath.h?rev=287288&r1=287287&r2=287288&view=diff ============================================================================== --- cfe/trunk/lib/Headers/__clang_cuda_cmath.h (original) +++ cfe/trunk/lib/Headers/__clang_cuda_cmath.h Thu Nov 17 18:41:35 2016 @@ -75,7 +75,10 @@ __DEVICE__ float frexp(float __arg, int __DEVICE__ bool isinf(float __x) { return ::__isinff(__x); } __DEVICE__ bool isinf(double __x) { return ::__isinf(__x); } __DEVICE__ bool isfinite(float __x) { return ::__finitef(__x); } -__DEVICE__ bool isfinite(double __x) { return ::__finite(__x); } +// For inscrutable reasons, __finite(), the double-precision version of +// __finitef, does not exist when compiling for MacOS. __isfinited is available +// everywhere and is just as good. +__DEVICE__ bool isfinite(double __x) { return ::__isfinited(__x); } __DEVICE__ bool isgreater(float __x, float __y) { return __builtin_isgreater(__x, __y); } @@ -141,7 +144,7 @@ __DEVICE__ double pow(double __base, int return ::powi(__base, __iexp); } __DEVICE__ bool signbit(float __x) { return ::__signbitf(__x); } -__DEVICE__ bool signbit(double __x) { return ::__signbit(__x); } +__DEVICE__ bool signbit(double __x) { return ::__signbitd(__x); } __DEVICE__ float sin(float __x) { return ::sinf(__x); } __DEVICE__ float sinh(float __x) { return ::sinhf(__x); } __DEVICE__ float sqrt(float __x) { return ::sqrtf(__x); } Modified: cfe/trunk/lib/Headers/__clang_cuda_runtime_wrapper.h URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Headers/__clang_cuda_runtime_wrapper.h?rev=287288&r1=287287&r2=287288&view=diff ============================================================================== --- cfe/trunk/lib/Headers/__clang_cuda_runtime_wrapper.h (original) +++ cfe/trunk/lib/Headers/__clang_cuda_runtime_wrapper.h Thu Nov 17 18:41:35 2016 @@ -121,6 +121,15 @@ #undef __cxa_vec_delete3 #undef __cxa_pure_virtual +// math_functions.hpp expects this host function be defined on MacOS, but it +// ends up not being there because of the games we play here. Just define it +// ourselves; it's simple enough. +#ifdef __APPLE__ +inline __host__ double __signbitd(double x) { + return std::signbit(x); +} +#endif + // We need decls for functions in CUDA's libdevice with __device__ // attribute only. Alas they come either as __host__ __device__ or // with no attributes at all. To work around that, define __CUDA_RTC__ _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits