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MDEC: Ensure alignment of inputs

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Stenzek
2024-08-14 17:39:07 +10:00
parent f2896d55b8
commit 460acce561
2 changed files with 13 additions and 13 deletions
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4
src/core/mdec.cpp
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@ -142,7 +142,7 @@ struct MDECState
std::array<u8, 64> iq_uv{};
std::array<u8, 64> iq_y{};
std::array<s16, 64> scale_table{};
alignas(VECTOR_ALIGNMENT) std::array<s16, 64> scale_table{};
// blocks, for colour: 0 - Crblk, 1 - Cbblk, 2-5 - Y 1-4
alignas(VECTOR_ALIGNMENT) std::array<std::array<s16, 64>, NUM_BLOCKS> blocks;
@ -950,7 +950,7 @@ bool MDEC::DecodeRLE_New(s16* blk, const u8* qt)
static s16 IDCTRow(const s16* blk, const s16* idct_matrix)
{
// IDCT matrix is -32768..32767, block is -16384..16383. 4 adds can happen without overflow.
GSVector4i sum = GSVector4i::load<false>(blk).madd_s16(GSVector4i::load<false>(idct_matrix)).addp_s32();
GSVector4i sum = GSVector4i::load<false>(blk).madd_s16(GSVector4i::load<true>(idct_matrix)).addp_s32();
return static_cast<s16>(((static_cast<s64>(sum.extract32<0>()) + static_cast<s64>(sum.extract32<1>())) + 0x20000) >>
18);
}