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Remove unused SIMD code

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Kovid Goyal
2023-11-16 22:04:45 +05:30
parent c6f4c93d0a
commit c79baa56e4
1 changed files with 0 additions and 42 deletions
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42
kitty/simd-string.c
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@@ -158,46 +158,6 @@ find_either_of_two_bytes(const uint8_t *haystack, const size_t sz, const uint8_t
}
// }}}
// find_byte_not_in_range {{{
static const uint8_t*
find_byte_not_in_range_simple(const uint8_t *haystack, const size_t sz, const uint8_t a, const uint8_t b) {
ByteLoader it; byte_loader_init(&it, haystack, sz);
while (it.num_left) {
const uint8_t ch = byte_loader_next(&it);
if (ch < a || ch > b) return haystack + sz - it.num_left - 1;
}
return NULL;
}
#define not_in_range(bits, aligner) \
start_simd2(bits, aligner) { \
__m##bits##i chunk = _mm##bits##_load_si##bits((__m##bits##i*)(haystack)); \
__m##bits##i above_lower = _mm##bits##_cmpgt_epi8(chunk, a_vec); \
__m##bits##i below_upper = _mm##bits##_cmpgt_epi8(b_vec, chunk); \
__m##bits##i in_range = _mm##bits##_and_si##bits(above_lower, below_upper); \
const int mask = ~_mm##bits##_movemask_epi8(in_range); /* ~ as we want not in range */ \
end_simd2; \
} return NULL;
static const uint8_t*
find_byte_not_in_range_sse4_2(const uint8_t *haystack, size_t sz, const uint8_t a, const uint8_t b) {
not_in_range(128, find_byte_not_in_range_simple(haystack, es, a, b));
}
static const uint8_t*
find_byte_not_in_range_avx2(const uint8_t *haystack, size_t sz, const uint8_t a, const uint8_t b) {
not_in_range(256, (has_sse4_2 && extra > 15) ? find_byte_not_in_range_sse4_2(haystack, es, a, b) : find_byte_not_in_range_simple(haystack, es, a, b));
}
static const uint8_t* (*find_byte_not_in_range_impl)(const uint8_t *haystack, size_t sz, const uint8_t a, const uint8_t b) = find_byte_not_in_range_simple;
const uint8_t*
find_byte_not_in_range(const uint8_t *haystack, const size_t sz, const uint8_t a, const uint8_t b) {
return (uint8_t*)find_byte_not_in_range_impl(haystack, sz, a, b);
}
// }}}
// UTF-8 {{{
static unsigned
@@ -260,14 +220,12 @@ init_simd(void *x) {
#endif
if (has_avx2) {
A(has_avx2, True);
find_byte_not_in_range_impl = find_byte_not_in_range_avx2;
find_either_of_two_bytes_impl = find_either_of_two_bytes_avx2;
} else {
A(has_avx2, False);
}
if (has_sse4_2) {
A(has_sse4_2, True);
if (find_byte_not_in_range == find_byte_not_in_range_simple) find_byte_not_in_range_impl = find_byte_not_in_range_sse4_2;
if (find_either_of_two_bytes_impl == find_either_of_two_bytes_simple) find_either_of_two_bytes_impl = find_either_of_two_bytes_sse4_2;
} else {
A(has_sse4_2, False);