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Kovid Goyal 2024-01-08 10:36:17 +05:30
parent 1275c9275b
commit 4589a62738
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GPG key ID: 06BC317B515ACE7C
1 changed files with 4 additions and 2 deletions
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6
kitty/simd-string-impl.h
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@ -156,8 +156,10 @@ FUNC(utf8_decode_to_esc)(UTF8Decoder *d, const uint8_t *src, size_t src_sz) {
const integer_t vec_signed = add_epi8(vec, state); // needed because cmplt_epi8 works only on signed chars
const integer_t bytes_indicating_start_of_two_byte_sequence = cmplt_epi8(set1_epi8(0xc0 - 1 - 0x80), vec_signed);
const unsigned num_of_bytes_to_first_non_ascii_byte = count_trailing_zeros(movemask_epi8(bytes_indicating_start_of_two_byte_sequence));
if (num_of_bytes_to_first_non_ascii_byte >= src_sz) { // no bytes with high bit (0x80) set, so just plain ASCII
if (
(unsigned)count_trailing_zeros(movemask_epi8(bytes_indicating_start_of_two_byte_sequence)) >= src_sz &&
(unsigned)count_trailing_zeros(movemask_epi8(vec)) >= src_sz)
{ // no bytes with high bit (0x80) set, so just plain ASCII
FUNC(output_plain_ascii)(d, vec, src_sz);
return sentinel_found;
}