c++ - 为什么不能使用_mm_sin_pd？

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C++ error: ‘_mm_sin_ps’ was not declared in this scope

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how can I use SVML instructions [duplicate]

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Where is Clang's '_mm256_pow_ps' intrinsic?

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去年关闭。




Specifics说:

__m128d _mm_sin_pd (__m128d a)
#include <immintrin.h>
CPUID Flags: SSE
Description
Compute the sine of packed double-precision (64-bit) floating-point elements in a expressed in radians, and store the results in dst.

但是似乎不是defined吗？

最佳答案

该符号具有蓝色标题，表示它是SVML的一部分。根据文档要求链接到该符号以获取该符号。

然后，SVML将把调用分派(dispatch)到最适合您的体系结构的实现。