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| author | Matthias Kretz <m.kretz@gsi.de> | 2023-06-01 10:40:14 +0200 |
|---|---|---|
| committer | Matthias Kretz <m.kretz@gsi.de> | 2023-06-01 10:45:10 +0200 |
| commit | 2fbbaa77c8468ed2bdf2cfa1a5890991e4e98eef (patch) | |
| tree | fca88b0da8544996ec45be4d887d66223dd1a2f1 | |
| parent | 12e71b593ea0c64d919df525cd75ea10b7be8a4b (diff) | |
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libstdc++: Fix condition for supported SIMD types on ARMv8
Signed-off-by: Matthias Kretz <m.kretz@gsi.de>
libstdc++-v3/ChangeLog:
PR libstdc++/110050
* include/experimental/bits/simd.h (__vectorized_sizeof): With
__have_neon_a32 only single-precision float works (in addition
to integers).
| -rw-r--r-- | libstdc++-v3/include/experimental/bits/simd.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/libstdc++-v3/include/experimental/bits/simd.h b/libstdc++-v3/include/experimental/bits/simd.h index f94b836..834fe92 100644 --- a/libstdc++-v3/include/experimental/bits/simd.h +++ b/libstdc++-v3/include/experimental/bits/simd.h @@ -2808,8 +2808,10 @@ template <typename _Tp> return 16; // ARM: - if constexpr (__have_neon_a64 - || (__have_neon_a32 && !is_same_v<_Tp, double>) ) + if constexpr (__have_neon_a64) + return 16; + if constexpr (__have_neon_a32 and (not is_floating_point_v<_Tp> + or is_same_v<_Tp, float>)) return 16; if constexpr (__have_neon && sizeof(_Tp) < 8 |