Implemented NEON audio type conversion

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Compiler support for loading/storing multiple registers at once (i.e vld1q_f32_x4) seems very poor, so avoiding them for now.

Also switched to aligned stores with SSE. Although both SSE and NEON support unaligned stores, there is more likely to be a penalty to them, i.e when crossing a cache line. So might as align them.

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Brick authored and Sam Lantinga committed 2024-04-15 11:47:18 -10:00

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commit e9e9424b9a

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src/audio/SDL_audiotypecvt.c

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