mirrors/kitty
1
0
Fork 0
mirror of https://github.com/kovidgoyal/kitty synced 2026-06-13 03:59:23 +02:00
Code Issues Packages Projects Releases Wiki Activity
Files
8dbb0cff6f88ee2dff5be486051123375bcba3af
kitty/kitty/simd-string-impl.h
Kovid Goyal 8dbb0cff6f Dont call __builtin_ctz with zero
2024-02-25 09:57:34 +05:30

508 lines
22 KiB
C
Raw Blame History

/*
* Copyright (C) 2023 Kovid Goyal <kovid at kovidgoyal.net>
*
* Distributed under terms of the GPL3 license.
*/
#ifndef BITS
#define BITS 128
#endif
#include "simd-string.h"
// Boilerplate {{{
#ifdef __clang__
_Pragma("clang diagnostic push") _Pragma("clang diagnostic ignored \"-Wbitwise-instead-of-logical\"")
#endif
#include <simde/x86/avx2.h>
#ifdef __clang__
_Pragma("clang diagnostic pop")
#endif
#define CONCAT(A, B) A##B
#define CONCAT_EXPAND(A, B) CONCAT(A,B)
#define FUNC(name) CONCAT_EXPAND(name##_, BITS)
#define integer_t CONCAT_EXPAND(CONCAT_EXPAND(simde__m, BITS), i)
#define shift_right_by_bytes128 simde_mm_srli_si128
#define zero_last_n_bytes FUNC(zero_last_n_bytes)
#if BITS == 128
#define set1_epi8(x) simde_mm_set1_epi8((char)(x))
#define set_epi8 simde_mm_set_epi8
#define add_epi8 simde_mm_add_epi8
#define load_unaligned simde_mm_loadu_si128
#define store_aligned simde_mm_store_si128
#define cmpeq_epi8 simde_mm_cmpeq_epi8
#define cmplt_epi8 simde_mm_cmplt_epi8
#define cmpgt_epi8 simde_mm_cmpgt_epi8
#define or_si simde_mm_or_si128
#define and_si simde_mm_and_si128
#define andnot_si simde_mm_andnot_si128
#define movemask_epi8 simde_mm_movemask_epi8
#define extract_lower_quarter_as_chars simde_mm_cvtepu8_epi32
#define shift_right_by_one_byte(x) simde_mm_slli_si128(x, 1)
#define shift_right_by_two_bytes(x) simde_mm_slli_si128(x, 2)
#define shift_right_by_four_bytes(x) simde_mm_slli_si128(x, 4)
#define shift_right_by_eight_bytes(x) simde_mm_slli_si128(x, 8)
#define shift_right_by_sixteen_bytes(x) simde_mm_slli_si128(x, 16)
#define shift_left_by_one_byte(x) simde_mm_srli_si128(x, 1)
#define shift_left_by_two_bytes(x) simde_mm_srli_si128(x, 2)
#define shift_left_by_four_bytes(x) simde_mm_srli_si128(x, 4)
#define shift_left_by_eight_bytes(x) simde_mm_srli_si128(x, 8)
#define shift_left_by_sixteen_bytes(x) simde_mm_srli_si128(x, 16)
#define blendv_epi8 simde_mm_blendv_epi8
#define shift_left_by_bits16 simde_mm_slli_epi16
#define shift_right_by_bits32 simde_mm_srli_epi32
#define shuffle_epi8 simde_mm_shuffle_epi8
#define numbered_bytes() set_epi8(15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0)
#define reverse_numbered_bytes() simde_mm_setr_epi8(15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0)
// output[i] = MAX(0, a[i] - b[1i])
#define subtract_saturate_epu8 simde_mm_subs_epu8
#define create_zero_integer simde_mm_setzero_si128
#define sum_bytes sum_bytes_128
#else
#define set1_epi8(x) simde_mm256_set1_epi8((char)(x))
#define set_epi8 simde_mm256_set_epi8
#define add_epi8 simde_mm256_add_epi8
#define load_unaligned simde_mm256_loadu_si256
#define store_aligned simde_mm256_store_si256
#define cmpeq_epi8 simde_mm256_cmpeq_epi8
#define cmpgt_epi8 simde_mm256_cmpgt_epi8
#define cmplt_epi8(a, b) cmpgt_epi8(b, a)
#define or_si simde_mm256_or_si256
#define and_si simde_mm256_and_si256
#define andnot_si simde_mm256_andnot_si256
#define movemask_epi8 simde_mm256_movemask_epi8
#define extract_lower_half_as_chars simde_mm256_cvtepu8_epi32
#define blendv_epi8 simde_mm256_blendv_epi8
#define subtract_saturate_epu8 simde_mm256_subs_epu8
#define shift_left_by_bits16 simde_mm256_slli_epi16
#define shift_right_by_bits32 simde_mm256_srli_epi32
#define create_zero_integer simde_mm256_setzero_si256
#define numbered_bytes() set_epi8(31,30,29,28,27,26,25,24,23,22,21,20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0)
#define reverse_numbered_bytes() simde_mm256_setr_epi8(31,30,29,28,27,26,25,24,23,22,21,20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0)
static inline integer_t
shift_right_by_one_byte(const integer_t A) {
return simde_mm256_alignr_epi8(A, simde_mm256_permute2x128_si256(A, A, _MM_SHUFFLE(0, 0, 2, 0)), 16 - 1);
}
static inline integer_t
shift_right_by_two_bytes(const integer_t A) {
return simde_mm256_alignr_epi8(A, simde_mm256_permute2x128_si256(A, A, _MM_SHUFFLE(0, 0, 2, 0)), 16 - 2);
}
static inline integer_t
shift_right_by_four_bytes(const integer_t A) {
return simde_mm256_alignr_epi8(A, simde_mm256_permute2x128_si256(A, A, _MM_SHUFFLE(0, 0, 2, 0)), 16 - 4);
}
static inline integer_t
shift_right_by_eight_bytes(const integer_t A) {
return simde_mm256_alignr_epi8(A, simde_mm256_permute2x128_si256(A, A, _MM_SHUFFLE(0, 0, 2, 0)), 16 - 8);
}
static inline integer_t
shift_right_by_sixteen_bytes(const integer_t A) {
return simde_mm256_permute2x128_si256(A, A, _MM_SHUFFLE(0, 0, 2, 0));
}
static inline integer_t
shift_left_by_one_byte(const integer_t A) {
return simde_mm256_alignr_epi8(simde_mm256_permute2x128_si256(A, A, _MM_SHUFFLE(2, 0, 0, 1)), A, 1);
}
static inline integer_t
shift_left_by_two_bytes(const integer_t A) {
return simde_mm256_alignr_epi8(simde_mm256_permute2x128_si256(A, A, _MM_SHUFFLE(2, 0, 0, 1)), A, 2);
}
static inline integer_t
shift_left_by_four_bytes(const integer_t A) {
return simde_mm256_alignr_epi8(simde_mm256_permute2x128_si256(A, A, _MM_SHUFFLE(2, 0, 0, 1)), A, 4);
}
static inline integer_t
shift_left_by_eight_bytes(const integer_t A) {
return simde_mm256_alignr_epi8(simde_mm256_permute2x128_si256(A, A, _MM_SHUFFLE(2, 0, 0, 1)), A, 8);
}
static inline integer_t
shift_left_by_sixteen_bytes(const integer_t A) {
return simde_mm256_permute2x128_si256(A, A, _MM_SHUFFLE(2, 0, 0, 1));
}
static inline integer_t shuffle_impl256(const integer_t value, const integer_t shuffle) {
#define K0 simde_mm256_setr_epi8( \
0x70, 0x70, 0x70, 0x70, 0x70, 0x70, 0x70, 0x70, 0x70, 0x70, 0x70, 0x70, 0x70, 0x70, 0x70, 0x70, \
-16, -16, -16, -16, -16, -16, -16, -16, -16, -16, -16, -16, -16, -16, -16, -16)
#define K1 simde_mm256_setr_epi8( \
-16, -16, -16, -16, -16, -16, -16, -16, -16, -16, -16, -16, -16, -16, -16, -16, \
0x70, 0x70, 0x70, 0x70, 0x70, 0x70, 0x70, 0x70, 0x70, 0x70, 0x70, 0x70, 0x70, 0x70, 0x70, 0x70)
return or_si(
simde_mm256_shuffle_epi8(value, add_epi8(shuffle, K0)),
simde_mm256_shuffle_epi8(simde_mm256_permute4x64_epi64(value, 0x4E), simde_mm256_add_epi8(shuffle, K1))
);
#undef K0
#undef K1
}
#define shuffle_epi8 shuffle_impl256
#define sum_bytes(x) (sum_bytes_128(simde_mm256_extracti128_si256(x, 0)) + sum_bytes_128(simde_mm256_extracti128_si256(x, 1)))
#endif
#if 1
#define print_register_as_bytes(r) { \
printf("%s:\n", #r); \
alignas(64) uint8_t data[sizeof(r)]; \
store_aligned((integer_t*)data, r); \
for (unsigned i = 0; i < sizeof(integer_t); i++) { \
uint8_t ch = data[i]; \
if (' ' <= ch && ch < 0x7f) printf("_%c ", ch); else printf("%.2x ", ch); \
} \
printf("\n"); \
}
#define debug printf
#else
#define print_register_as_bytes(r)
#define debug(...)
#endif
// }}}
static inline integer_t
FUNC(zero_last_n_bytes)(integer_t vec, char n) {
const integer_t threshold = set1_epi8(n);
const integer_t index = reverse_numbered_bytes();
const integer_t mask = cmpgt_epi8(threshold, index);
return andnot_si(mask, vec);
}
static inline const uint8_t*
FUNC(find_either_of_two_bytes)(const uint8_t *haystack, const size_t sz, const uint8_t a, const uint8_t b) {
const integer_t a_vec = set1_epi8(a), b_vec = set1_epi8(b);
for (const uint8_t* limit = haystack + sz; haystack < limit; haystack += sizeof(integer_t)) {
const integer_t chunk = load_unaligned((integer_t*)haystack);
const integer_t a_cmp = cmpeq_epi8(chunk, a_vec);
const integer_t b_cmp = cmpeq_epi8(chunk, b_vec);
const integer_t matches = or_si(a_cmp, b_cmp);
const int32_t mask = movemask_epi8(matches);
if (mask != 0) {
const uint8_t *ans = haystack + __builtin_ctz(mask);
if (ans < limit) return ans;
}
}
return NULL;
}
static inline void
FUNC(output_plain_ascii)(UTF8Decoder *d, integer_t vec, size_t src_sz) {
#if BITS == 128
for (const uint32_t *limit = d->output + src_sz, *p = d->output; p < limit; p += sizeof(integer_t)/sizeof(uint32_t)) {
const integer_t unpacked = extract_lower_quarter_as_chars(vec);
store_aligned((integer_t*)p, unpacked);
vec = shift_right_by_bytes128(vec, sizeof(integer_t)/sizeof(uint32_t));
}
#else
const uint32_t *limit = d->output + src_sz, *p = d->output;
simde__m128i x = simde_mm256_extracti128_si256(vec, 0);
integer_t unpacked = extract_lower_half_as_chars(x);
store_aligned((integer_t*)p, unpacked); p += sizeof(integer_t)/sizeof(uint32_t);
if (p < limit) {
x = shift_right_by_bytes128(x, sizeof(integer_t)/sizeof(uint32_t));
unpacked = extract_lower_half_as_chars(x);
store_aligned((integer_t*)p, unpacked); p += sizeof(integer_t)/sizeof(uint32_t);
if (p < limit) {
x = simde_mm256_extracti128_si256(vec, 1);
unpacked = extract_lower_half_as_chars(x);
store_aligned((integer_t*)p, unpacked); p += sizeof(integer_t)/sizeof(uint32_t);
if (p < limit) {
x = shift_right_by_bytes128(x, sizeof(integer_t)/sizeof(uint32_t));
unpacked = extract_lower_half_as_chars(x);
store_aligned((integer_t*)p, unpacked); p += sizeof(integer_t)/sizeof(uint32_t);
}
}
}
#endif
d->output_sz = src_sz;
}
static inline void
FUNC(output_unicode)(UTF8Decoder *d, integer_t output1, integer_t output2, integer_t output3, const size_t num_codepoints) {
#if BITS == 128
for (const uint32_t *limit = d->output + num_codepoints, *p = d->output; p < limit; p += sizeof(integer_t)/sizeof(uint32_t)) {
const integer_t unpacked1 = extract_lower_quarter_as_chars(output1);
const integer_t unpacked2 = shift_right_by_one_byte(extract_lower_quarter_as_chars(output2));
const integer_t unpacked3 = shift_right_by_two_bytes(extract_lower_quarter_as_chars(output3));
const integer_t unpacked = or_si(or_si(unpacked1, unpacked2), unpacked3);
store_aligned((integer_t*)p, unpacked);
output1 = shift_right_by_bytes128(output1, sizeof(integer_t)/sizeof(d->output[0]));
output2 = shift_right_by_bytes128(output2, sizeof(integer_t)/sizeof(d->output[0]));
output3 = shift_right_by_bytes128(output3, sizeof(integer_t)/sizeof(d->output[0]));
}
#else
const uint32_t *limit = d->output + num_codepoints;
uint32_t *p = d->output;
simde__m128i x1, x2, x3;
#define chunk() { \
const integer_t unpacked1 = extract_lower_half_as_chars(x1); \
const integer_t unpacked2 = shift_right_by_one_byte(extract_lower_half_as_chars(x2)); \
const integer_t unpacked3 = shift_right_by_two_bytes(extract_lower_half_as_chars(x3)); \
store_aligned((integer_t*)p, or_si(or_si(unpacked1, unpacked2), unpacked3)); \
p += sizeof(integer_t)/sizeof(uint32_t); \
}
#define extract(which) x1 = simde_mm256_extracti128_si256(output1, which); x2 = simde_mm256_extracti128_si256(output2, which); x3 = simde_mm256_extracti128_si256(output3, which);
#define shift() x1 = shift_right_by_bytes128(x1, sizeof(integer_t)/sizeof(d->output[0])); x2 = shift_right_by_bytes128(x2, sizeof(integer_t)/sizeof(d->output[0])); x3 = shift_right_by_bytes128(x3, sizeof(integer_t)/sizeof(d->output[0]));
extract(0); chunk();
if (p < limit) {
shift(); chunk();
if (p < limit) {
extract(1); chunk();
if (p < limit) {
shift(); chunk();
}
}
}
#undef chunk
#undef extract
#undef shift
#endif
d->output_sz += num_codepoints;
}
#ifndef SIMD_STRING_IMPL_INCLUDED_ONCE
static inline unsigned
sum_bytes_128(simde__m128i v) {
// Use _mm_sad_epu8 to perform a sum of absolute differences against zero
// This sums up all 8-bit integers in the 128-bit vector and packs the result into a 64-bit integer
simde__m128i sum = simde_mm_sad_epu8(v, simde_mm_setzero_si128());
// At this point, the sum of the first half is in the lower 64 bits, and the sum of the second half is in the upper 64 bits.
// Extract the lower and upper 64-bit sums and add them together.
const unsigned lower_sum = simde_mm_cvtsi128_si32(sum); // Extracts the lower 32 bits
const unsigned upper_sum = simde_mm_cvtsi128_si32(simde_mm_srli_si128(sum, 8)); // Extracts the upper 32 bits
return lower_sum + upper_sum; // Final sum of all bytes
}
static void
scalar_decode_to_accept(UTF8Decoder *d, const uint8_t *src, size_t src_sz) {
while (d->num_consumed < src_sz && d->output_sz < arraysz(d->output) && d->state.cur != UTF8_ACCEPT) {
const uint8_t ch = src[d->num_consumed++];
switch(ch) {
case UTF8_ACCEPT:
d->output[d->output_sz++] = d->state.codep;
break;
case UTF8_REJECT: {
const bool prev_was_accept = d->state.prev == UTF8_ACCEPT;
zero_at_ptr(&d->state);
d->output[d->output_sz++] = 0xfffd;
if (!prev_was_accept && d->num_consumed) {
d->num_consumed--;
continue; // so that prev is correct
}
} break;
}
d->state.prev = d->state.cur;
}
}
static inline unsigned short
count_trailing_zeros(int32_t mask) {
return mask ? __builtin_ctz(mask) : 0;
}
#endif
static inline bool
FUNC(utf8_decode_to_esc)(UTF8Decoder *d, const uint8_t *src, size_t src_sz) {
// Based on the algorithm described in: https://woboq.com/blog/utf-8-processing-using-simd.html
d->output_sz = 0; d->num_consumed = 0;
if (d->state.cur != UTF8_ACCEPT) {
scalar_decode_to_accept(d, src, src_sz);
src += d->num_consumed; src_sz -= d->num_consumed;
if (!src_sz) return false;
}
src_sz = MIN(src_sz, sizeof(integer_t));
integer_t vec = load_unaligned((integer_t*)src);
const integer_t esc_vec = set1_epi8(0x1b);
const integer_t esc_cmp = cmpeq_epi8(vec, esc_vec);
const int esc_test_mask = movemask_epi8(esc_cmp);
bool sentinel_found = false;
unsigned short num_of_bytes_to_first_esc;
if (esc_test_mask && (num_of_bytes_to_first_esc = __builtin_ctz(esc_test_mask)) < src_sz) {
sentinel_found = true;
src_sz = num_of_bytes_to_first_esc;
d->num_consumed = src_sz + 1; // esc is also consumed
} else d->num_consumed = src_sz;
if (src_sz < sizeof(integer_t)) vec = zero_last_n_bytes(vec, sizeof(integer_t) - src_sz);
const integer_t one = set1_epi8(1), two = set1_epi8(2), three = set1_epi8(3);
// Classify the bytes
print_register_as_bytes(vec);
integer_t state = set1_epi8(0x80);
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);
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;
}
state = blendv_epi8(state, set1_epi8(0xc2), bytes_indicating_start_of_two_byte_sequence);
// state now has 0xc2 on all bytes that start a 2 or more byte sequence and 0x80 on the rest
const integer_t bytes_indicating_start_of_three_byte_sequence = cmplt_epi8(set1_epi8(0xe0 - 1 - 0x80), vec_signed);
state = blendv_epi8(state, set1_epi8(0xe3), bytes_indicating_start_of_three_byte_sequence);
const integer_t bytes_indicating_start_of_four_byte_sequence = cmplt_epi8(set1_epi8(0xf0 - 1 - 0x80), vec_signed);
state = blendv_epi8(state, set1_epi8(0xf4), bytes_indicating_start_of_four_byte_sequence);
// state now has 0xc2 on all bytes that start a 2 byte sequence, 0xe3 on start of 3-byte sequence, 0xf4 on 4-byte start and 0x80 on rest
print_register_as_bytes(state);
integer_t mask = and_si(state, set1_epi8(0xf8)); // keep upper 5 bits of state
print_register_as_bytes(mask);
integer_t count = and_si(state, set1_epi8(0x7)); // keep lower 3 bits of state
print_register_as_bytes(count);
// count contains the number of bytes in the sequence for the start byte of every sequence and zero elsewhere
// shift 02 bytes by 1 and subtract 1
integer_t count_subs1 = subtract_saturate_epu8(count, one);
integer_t counts = add_epi8(count, shift_right_by_one_byte(count_subs1));
// shift 03 and 04 bytes by 2 and subtract 2
counts = add_epi8(counts, shift_right_by_two_bytes(subtract_saturate_epu8(counts, two)));
// counts now contains the number of bytes remaining in each utf-8 sequence of 2 or more bytes
print_register_as_bytes(counts);
// Process the bytes storing the three resulting bytes that make up the unicode codepoint
// mask all control bits so that we have only useful bits left
vec = andnot_si(mask, vec);
print_register_as_bytes(vec);
// Now calculate the three output vectors
// The lowest byte is made up of 6 bits from locations with counts == 1 and the lowest two bits from locations with count == 2
// In addition, the ASCII bytes are copied unchanged from vec
integer_t vec_non_ascii = andnot_si(cmpeq_epi8(counts, create_zero_integer()), vec);
print_register_as_bytes(vec_non_ascii);
integer_t vec_right1 = shift_right_by_one_byte(vec_non_ascii);
integer_t output1 = blendv_epi8(vec,
or_si(
vec, and_si(shift_left_by_bits16(vec_right1, 6), set1_epi8(0xc0))
),
cmpeq_epi8(counts, one)
);
print_register_as_bytes(output1);
// The next byte is made up of 4 bits (5, 4, 3, 2) from locations with count == 2 and the first 4 bits from locations with count == 3
integer_t count2_locations = cmpeq_epi8(counts, two);
integer_t output2 = and_si(vec, count2_locations);
output2 = shift_right_by_bits32(output2, 2); // selects the bits 5, 4, 3, 2
output2 = or_si(output2, and_si(shift_left_by_bits16(vec_right1, 4), set1_epi8(0xf0))); // move 4 bits left and mask lower four bits and OR
output2 = and_si(output2, count2_locations); // keep only the count2 bytes
output2 = shift_right_by_one_byte(output2);
print_register_as_bytes(output2);
// The last byte is made up of bits 5 and 6 from count == 3 and 3 bits from count == 4
integer_t count3_locations = cmpeq_epi8(counts, three);
integer_t output3 = and_si(three, shift_right_by_bits32(vec, 4)); // bits 5 and 6 from count == 3
// bits from count == 4 locations, placed at count == 3 locations shifted left by 2 bits
output3 = or_si(output3, and_si(set1_epi8(0xfc), shift_left_by_bits16(vec_right1, 2)));
output3 = and_si(output3, count3_locations); // keep only count3 bytes
output3 = shift_right_by_two_bytes(output3);
print_register_as_bytes(output3);
// Shuffle bytes to remove continuation bytes
integer_t shifts = count_subs1; // number of bytes we need to skip for each UTF-8 sequence
// propagate the shifts to all subsequent bytes by shift and add
shifts = add_epi8(shifts, shift_right_by_one_byte(shifts));
shifts = add_epi8(shifts, shift_right_by_two_bytes(shifts));
shifts = add_epi8(shifts, shift_right_by_four_bytes(shifts));
shifts = add_epi8(shifts, shift_right_by_eight_bytes(shifts));
#if BITS == 256
shifts = add_epi8(shifts, shift_right_by_sixteen_bytes(shifts));
#endif
// zero the shifts for discarded continuation bytes
shifts = and_si(shifts, cmplt_epi8(counts, two));
// now we need to convert shifts into a mask for the shuffle. The mask has each byte of the
// form 0000xxxx the lower four bits indicating the destination location for the byte. For 256 bit shuffle we use lower 5 bits.
// First we move the numbers in shifts to discard the unwanted UTF-8 sequence bytes. We note that the numbers
// are bounded by sizeof(integer_t) and so we need at most 4 (for 128 bit) or 5 (for 256 bit) moves. The numbers are
// monotonic from left to right and change value only at the end of a UTF-8 sequence. We move them leftwards, accumulating the
// moves bit-by-bit.
#define move(shifts, amt, which_bit) blendv_epi8(shifts, shift_left_by_##amt(shifts), shift_left_by_##amt(shift_left_by_bits16(shifts, 8 - which_bit)))
shifts = move(shifts, one_byte, 1);
shifts = move(shifts, two_bytes, 2);
shifts = move(shifts, four_bytes, 3);
shifts = move(shifts, eight_bytes, 4);
#if BITS == 256
shifts = move(shifts, sixteen_bytes, 5);
#endif
#undef move
// convert the shifts into a suitable mask for shuffle by adding the byte number to each byte
shifts = add_epi8(shifts, numbered_bytes());
print_register_as_bytes(shifts);
output1 = shuffle_epi8(output1, shifts);
output2 = shuffle_epi8(output2, shifts);
output3 = shuffle_epi8(output3, shifts);
print_register_as_bytes(output1);
print_register_as_bytes(output2);
print_register_as_bytes(output3);
const unsigned num_of_discarded_bytes = sum_bytes(count_subs1);
const unsigned num_codepoints = src_sz - num_of_discarded_bytes;
debug("num_of_discarded_bytes: %u num_codepoints: %u\n", num_of_discarded_bytes, num_codepoints);
FUNC(output_unicode)(d, output1, output2, output3, num_codepoints);
return sentinel_found;
}
#undef FUNC
#undef integer_t
#undef set1_epi8
#undef set_epi8
#undef load_unaligned
#undef store_aligned
#undef cmpeq_epi8
#undef cmplt_epi8
#undef cmpgt_epi8
#undef or_si
#undef and_si
#undef andnot_si
#undef movemask_epi8
#undef CONCAT
#undef CONCAT_EXPAND
#undef BITS
#undef shift_right_by_one_byte
#undef shift_right_by_two_bytes
#undef shift_right_by_four_bytes
#undef shift_right_by_eight_bytes
#undef shift_right_by_sixteen_bytes
#undef shift_left_by_one_byte
#undef shift_left_by_two_bytes
#undef shift_left_by_four_bytes
#undef shift_left_by_eight_bytes
#undef shift_left_by_sixteen_bytes
#undef shift_left_by_bits16
#undef shift_right_by_bits32
#undef shift_right_by_bytes128
#undef extract_lower_quarter_as_chars
#undef extract_lower_half_as_chars
#undef blendv_epi8
#undef add_epi8
#undef subtract_saturate_epu8
#undef create_zero_integer
#undef shuffle_epi8
#undef numbered_bytes
#undef reverse_numbered_bytes
#undef zero_last_n_bytes
#undef sum_bytes
#ifndef SIMD_STRING_IMPL_INCLUDED_ONCE
#define SIMD_STRING_IMPL_INCLUDED_ONCE
#endif
Reference in New Issue View Git Blame Copy Permalink