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Work on using SIMD for normal mode dispatch

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Kovid Goyal
2023-11-10 16:19:57 +05:30
parent a75fb6509e
commit 25e7a2882d
3 changed files with 40 additions and 7 deletions
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15
kitty/simd-string.c
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@@ -123,3 +123,18 @@ uint8_t*
find_either_of_two_bytes(uint8_t *haystack, const size_t sz, const uint8_t a, const uint8_t b) {
return find_either_of_two_bytes_simd(haystack, sz, a, b);
}
static const uint8_t*
find_start_of_two_ranges_simple(const uint8_t *haystack, const size_t sz, const uint8_t a1, const uint8_t a2, const uint8_t a3, const uint8_t a4) {
ByteLoader it; byte_loader_init(&it, haystack, sz);
while (it.num_left) {
const uint8_t ch = byte_loader_next(&it);
if ((a1 <= ch && ch <= a2) || (a3 <= ch && ch <= a4)) return haystack + sz - it.num_left - 1;
}
return NULL;
}
uint8_t*
find_start_of_two_ranges(uint8_t *haystack, const size_t sz, const uint8_t a1, const uint8_t a2, const uint8_t a3, const uint8_t a4) {
return (uint8_t*)find_start_of_two_ranges_simple(haystack, sz, a1, a2, a3, a4);
}