wanderer/ BLAKE3
1
0
Fork 0
mirror of https://github.com/BLAKE3-team/BLAKE3 synced 2024-05-28 09:36:03 +02:00
Code Issues Releases Activity

NEON: only use __builtin_shufflevector on clang

This commit is contained in:
sdlyyxy 2023-06-25 11:14:15 +08:00
parent 7a9a32a8f3
commit 60e4583389
1 changed files with 7 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
c/blake3_neon.c
View File

@ -44,7 +44,14 @@ INLINE uint32x4_t rot12_128(uint32x4_t x) {
}
INLINE uint32x4_t rot8_128(uint32x4_t x) {
#if defined(__clang__)
return vreinterpretq_u32_u8(__builtin_shufflevector(vreinterpretq_u8_u32(x), vreinterpretq_u8_u32(x), 1,2,3,0,5,6,7,4,9,10,11,8,13,14,15,12));
#elif __GNUC__ * 10000 + __GNUC_MINOR__ * 100 >=40700
static const uint8x16_t r8 = {1,2,3,0,5,6,7,4,9,10,11,8,13,14,15,12};
return vreinterpretq_u32_u8(__builtin_shuffle(vreinterpretq_u8_u32(x), vreinterpretq_u8_u32(x), r8));
#else
return vsriq_n_u32(vshlq_n_u32(x, 32-8), x, 8);
#endif
}
INLINE uint32x4_t rot7_128(uint32x4_t x) {