SIMDPP_HAS_INT64_SIMD
From libsimdpp-docs
< cap
| #define SIMDPP_HAS_INT64_SIMD /* 1 if present, 0 otherwise */
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Indicates support of 64-bit integers in the SIMD unit. The library provides API for 64-bit integers even if this macro is defined to 0 and uses scalar implementation in that case.
Note, that some operations, for example, shifts and comparisons, are not implemented in all instruction sets advertising 64-bit integer support.
Currently, the macro is defined to 1 on the following instruction sets:
- SIMDPP_USE_SSE2
- SIMDPP_USE_NEON
- SIMDPP_USE_VSX_207
- SIMDPP_USE_MSA