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ircd::simd: Inline accoutrements for lane_cast; cleanup asm annotes.

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This commit is contained in:
Jason Volk 2021-08-11 09:11:15 -07:00
parent 705c1cc776
commit 26a6fb50b6
1 changed files with 14 additions and 13 deletions
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21
include/ircd/simd/lane_cast.h
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@ -15,27 +15,28 @@ namespace ircd::simd
{
template<class R,
class T>
R lane_cast(const T &);
R lane_cast(const T);
}
/// Convert each lane from a smaller type to a larger type
template<class R,
class T>
inline R
ircd::simd::lane_cast(const T &in)
[[using gnu: always_inline, gnu_inline, artificial]]
extern inline R
ircd::simd::lane_cast(const T in)
{
static_assert
(
lanes<R>() == lanes<T>(), "Types must have matching number of lanes."
);
#if __has_builtin(__builtin_convertvector)
return __builtin_convertvector(in, R);
#endif
#else
R ret;
for(size_t i(0); i < lanes<R>(); ++i)
ret[i] = in[i];
return ret;
#endif
static_assert
(
lanes<R>() == lanes<T>(), "Types must have matching number of lanes."
);
}