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[CUDA] Fix order of memcpy arguments in __shfl_*(<64-bit type>).

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Wrong argument order resulted in broken shfl ops for 64-bit types.
This commit is contained in:
Artem Belevich 2020-01-22 15:12:49 -08:00
parent 966b5182ba
commit cc14de88da
1 changed files with 2 additions and 2 deletions
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4
clang/lib/Headers/__clang_cuda_intrinsics.h
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@ -45,7 +45,7 @@
_Static_assert(sizeof(__val) == sizeof(__Bits)); \
_Static_assert(sizeof(__Bits) == 2 * sizeof(int)); \
__Bits __tmp; \
memcpy(&__val, &__tmp, sizeof(__val)); \
memcpy(&__tmp, &__val, sizeof(__val)); \
__tmp.__a = ::__FnName(__tmp.__a, __offset, __width); \
__tmp.__b = ::__FnName(__tmp.__b, __offset, __width); \
long long __ret; \
@ -129,7 +129,7 @@ __MAKE_SHUFFLES(__shfl_xor, __nvvm_shfl_bfly_i32, __nvvm_shfl_bfly_f32, 0x1f,
_Static_assert(sizeof(__val) == sizeof(__Bits)); \
_Static_assert(sizeof(__Bits) == 2 * sizeof(int)); \
__Bits __tmp; \
memcpy(&__val, &__tmp, sizeof(__val)); \
memcpy(&__tmp, &__val, sizeof(__val)); \
__tmp.__a = ::__FnName(__mask, __tmp.__a, __offset, __width); \
__tmp.__b = ::__FnName(__mask, __tmp.__b, __offset, __width); \
long long __ret; \