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Use sse4.2 instruction for normal mode printable ascii detection

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Kovid Goyal
2023-11-10 17:06:06 +05:30
parent 25e7a2882d
commit 19a41b4d9a
3 changed files with 54 additions and 19 deletions
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2
kitty/vt-parser.c
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@@ -284,7 +284,7 @@ consume_normal(PS *self) {
do {
if (self->utf8.state == UTF8_ACCEPT) {
size_t sz = self->read.sz - self->read.pos;
uint8_t *p = find_start_of_two_ranges(self->buf + self->read.pos, sz, 0, 31, 0x7f, 0xff);
uint8_t *p = find_byte_not_in_range(self->buf + self->read.pos, sz, 32, 126);
if (p != NULL) sz = p - (self->buf + self->read.pos);
if (sz) dispatch_printable_ascii(self, sz);
else dispatch_normal_mode_byte(self, self->buf[self->read.pos++]);