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ewah_bitmap: delete unused 'ewah_and()'

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Reported-by: Ramsay Jones <ramsay@ramsayjones.plus.com>
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Derrick Stolee 2018-06-15 18:27:44 +00:00 committed by Junio C Hamano
parent 48dc98344f
commit 01b4a63f55
2 changed files with 0 additions and 73 deletions
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68
ewah/ewah_bitmap.c
View File

@ -459,74 +459,6 @@ void ewah_xor(
out->bit_size = max_size(ewah_i->bit_size, ewah_j->bit_size);
}
void ewah_and(
struct ewah_bitmap *ewah_i,
struct ewah_bitmap *ewah_j,
struct ewah_bitmap *out)
{
struct rlw_iterator rlw_i;
struct rlw_iterator rlw_j;
size_t literals;
rlwit_init(&rlw_i, ewah_i);
rlwit_init(&rlw_j, ewah_j);
while (rlwit_word_size(&rlw_i) > 0 && rlwit_word_size(&rlw_j) > 0) {
while (rlw_i.rlw.running_len > 0 || rlw_j.rlw.running_len > 0) {
struct rlw_iterator *prey, *predator;
if (rlw_i.rlw.running_len < rlw_j.rlw.running_len) {
prey = &rlw_i;
predator = &rlw_j;
} else {
prey = &rlw_j;
predator = &rlw_i;
}
if (predator->rlw.running_bit == 0) {
ewah_add_empty_words(out, 0,
predator->rlw.running_len);
rlwit_discard_first_words(prey,
predator->rlw.running_len);
rlwit_discard_first_words(predator,
predator->rlw.running_len);
} else {
size_t index = rlwit_discharge(prey, out,
predator->rlw.running_len, 0);
ewah_add_empty_words(out, 0,
predator->rlw.running_len - index);
rlwit_discard_first_words(predator,
predator->rlw.running_len);
}
}
literals = min_size(
rlw_i.rlw.literal_words,
rlw_j.rlw.literal_words);
if (literals) {
size_t k;
for (k = 0; k < literals; ++k) {
ewah_add(out,
rlw_i.buffer[rlw_i.literal_word_start + k] &
rlw_j.buffer[rlw_j.literal_word_start + k]
);
}
rlwit_discard_first_words(&rlw_i, literals);
rlwit_discard_first_words(&rlw_j, literals);
}
}
if (rlwit_word_size(&rlw_i) > 0)
rlwit_discharge_empty(&rlw_i, out);
else
rlwit_discharge_empty(&rlw_j, out);
out->bit_size = max_size(ewah_i->bit_size, ewah_j->bit_size);
}
void ewah_and_not(
struct ewah_bitmap *ewah_i,
struct ewah_bitmap *ewah_j,

5
ewah/ewok.h
View File

@ -179,11 +179,6 @@ void ewah_xor(
struct ewah_bitmap *ewah_j,
struct ewah_bitmap *out);
void ewah_and(
struct ewah_bitmap *ewah_i,
struct ewah_bitmap *ewah_j,
struct ewah_bitmap *out);
/**
* Direct word access
*/