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Fix signedness error in 9f225e9 for gcc
The first argument of vshrq_n_s8 needs to be a signed vector type, but it was passed unsigned. Clang is more lax with conversion, but gcc needs a cast. Fix by me, tested by Masahiko Sawada Per buildfarm members splitfin, batta, widowbird, snakefly, parula, massasauga Discussion: https://postgr.es/m/20240306074106.mg6w4koohdlworbs%40alap3.anarazel.de
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src/include/port/simd.h

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@@ -323,7 +323,7 @@ vector8_highbit_mask(const Vector8 v)
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1 << 4, 1 << 5, 1 << 6, 1 << 7,
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};
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uint8x16_t masked = vandq_u8(vld1q_u8(mask), (uint8x16_t) vshrq_n_s8(v, 7));
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uint8x16_t masked = vandq_u8(vld1q_u8(mask), (uint8x16_t) vshrq_n_s8((int8x16_t) v, 7));
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uint8x16_t maskedhi = vextq_u8(masked, masked, 8);
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return (uint32) vaddvq_u16((uint16x8_t) vzip1q_u8(masked, maskedhi));

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