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optimize neon loadu_128/storeu_128 #384

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merged 3 commits into from
Mar 12, 2024
Merged

optimize neon loadu_128/storeu_128 #384

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4df11ec
slightly optimize neon loadu_128/storeu_128
divinity76 Feb 9, 2024
663ecd9
comments can stay
divinity76 Feb 9, 2024
909b9a2
formatting
divinity76 Feb 9, 2024
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6 changes: 2 additions & 4 deletions c/blake3_neon.c
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Original file line number Diff line number Diff line change
Expand Up @@ -10,14 +10,12 @@

INLINE uint32x4_t loadu_128(const uint8_t src[16]) {
// vld1q_u32 has alignment requirements. Don't use it.
uint32x4_t x;
memcpy(&x, src, 16);
return x;
return vreinterpretq_u32_u8(vld1q_u8(src));
}

INLINE void storeu_128(uint32x4_t src, uint8_t dest[16]) {
// vst1q_u32 has alignment requirements. Don't use it.
memcpy(dest, &src, 16);
vst1q_u8(dest, vreinterpretq_u8_u32(src));
}

INLINE uint32x4_t add_128(uint32x4_t a, uint32x4_t b) {
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