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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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26
kitty/vt-parser.c
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@@ -272,14 +272,26 @@ dispatch_normal_mode_byte(PS *self, uint8_t ch) {
}
static void
consume_normal(PS *self) {
const unsigned sz = self->read.sz - self->read.pos;
ByteLoader b; byte_loader_init(&b, self->buf + self->read.pos, sz);
while (b.num_left && self->vte_state == VTE_NORMAL) {
uint8_t ch = byte_loader_next(&b);
dispatch_normal_mode_byte(self, ch);
dispatch_printable_ascii(PS *self, const size_t sz) {
for (const size_t limit = self->read.pos + sz; self->read.pos < limit; self->read.pos++) {
REPORT_DRAW(self->buf[self->read.pos]);
screen_draw(self->screen, self->buf[self->read.pos], true);
}
self->read.pos += sz - b.num_left;
}
static void
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);
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++]);
} else {
dispatch_normal_mode_byte(self, self->buf[self->read.pos++]);
}
} while (self->read.pos < self->read.sz && self->vte_state == VTE_NORMAL);
}
// }}}