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ircd::simd: Add missing support::sse; add alignment constexpr.

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This commit is contained in:
Jason Volk 2020-11-12 20:59:00 -08:00
parent 04c398cc0c
commit 00ed83e380
2 changed files with 17 additions and 0 deletions
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9
include/ircd/simd/support.h
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@ -18,6 +18,15 @@
namespace ircd::simd::support
{
constexpr bool sse
{
#if defined(__SSE__)
true
#else
false
#endif
};
constexpr bool sse2
{
#if defined(__SSE2__)

8
include/ircd/simd/traits.h
View file

@ -38,6 +38,14 @@ namespace ircd::simd
extern const u128x1 u128x1_lane_id;
extern const u256x1 u256x1_lane_id;
extern const u512x1 u512x1_lane_id;
constexpr auto alignment
{
support::avx512f? 64:
support::avx? 32:
support::sse? 16:
8
};
}
/// Get number of lanes for vector type (the number after the x in the