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authorJeff King <peff@peff.net>2015-06-03 06:39:37 (GMT)
committerJunio C Hamano <gitster@pobox.com>2015-06-03 07:04:01 (GMT)
commit34b935c01f28d34f6764f0e1140ad47e7abdde1b (patch)
treef033bf6a1c6c1896e712c465ddaff50ad78fa3e2
parent414382fb00c72babe2b22ef0fa757ea7c960f5ce (diff)
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ewah: use less generic macro name
The ewah/ewok.h header pollutes the global namespace with "BITS_IN_WORD", without any specific notion that we are talking about the bits in an eword_t. We can give this the more specific name "BITS_IN_EWORD". Signed-off-by: Jeff King <peff@peff.net> Reviewed-by: Eric Sunshine <sunshine@sunshineco.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
-rw-r--r--ewah/bitmap.c12
-rw-r--r--ewah/ewah_bitmap.c22
-rw-r--r--ewah/ewok.h2
-rw-r--r--pack-bitmap.c10
4 files changed, 23 insertions, 23 deletions
diff --git a/ewah/bitmap.c b/ewah/bitmap.c
index 2af94f6..47ad674 100644
--- a/ewah/bitmap.c
+++ b/ewah/bitmap.c
@@ -20,8 +20,8 @@
#include "git-compat-util.h"
#include "ewok.h"
-#define EWAH_MASK(x) ((eword_t)1 << (x % BITS_IN_WORD))
-#define EWAH_BLOCK(x) (x / BITS_IN_WORD)
+#define EWAH_MASK(x) ((eword_t)1 << (x % BITS_IN_EWORD))
+#define EWAH_BLOCK(x) (x / BITS_IN_EWORD)
struct bitmap *bitmap_new(void)
{
@@ -127,7 +127,7 @@ void bitmap_and_not(struct bitmap *self, struct bitmap *other)
void bitmap_or_ewah(struct bitmap *self, struct ewah_bitmap *other)
{
size_t original_size = self->word_alloc;
- size_t other_final = (other->bit_size / BITS_IN_WORD) + 1;
+ size_t other_final = (other->bit_size / BITS_IN_EWORD) + 1;
size_t i = 0;
struct ewah_iterator it;
eword_t word;
@@ -155,17 +155,17 @@ void bitmap_each_bit(struct bitmap *self, ewah_callback callback, void *data)
uint32_t offset;
if (word == (eword_t)~0) {
- for (offset = 0; offset < BITS_IN_WORD; ++offset)
+ for (offset = 0; offset < BITS_IN_EWORD; ++offset)
callback(pos++, data);
} else {
- for (offset = 0; offset < BITS_IN_WORD; ++offset) {
+ for (offset = 0; offset < BITS_IN_EWORD; ++offset) {
if ((word >> offset) == 0)
break;
offset += ewah_bit_ctz64(word >> offset);
callback(pos + offset, data);
}
- pos += BITS_IN_WORD;
+ pos += BITS_IN_EWORD;
}
}
}
diff --git a/ewah/ewah_bitmap.c b/ewah/ewah_bitmap.c
index fccb42b..b522437 100644
--- a/ewah/ewah_bitmap.c
+++ b/ewah/ewah_bitmap.c
@@ -102,7 +102,7 @@ size_t ewah_add_empty_words(struct ewah_bitmap *self, int v, size_t number)
if (number == 0)
return 0;
- self->bit_size += number * BITS_IN_WORD;
+ self->bit_size += number * BITS_IN_EWORD;
return add_empty_words(self, v, number);
}
@@ -152,7 +152,7 @@ void ewah_add_dirty_words(
self->buffer_size += can_add;
}
- self->bit_size += can_add * BITS_IN_WORD;
+ self->bit_size += can_add * BITS_IN_EWORD;
if (number - can_add == 0)
break;
@@ -197,7 +197,7 @@ static size_t add_empty_word(struct ewah_bitmap *self, int v)
size_t ewah_add(struct ewah_bitmap *self, eword_t word)
{
- self->bit_size += BITS_IN_WORD;
+ self->bit_size += BITS_IN_EWORD;
if (word == 0)
return add_empty_word(self, 0);
@@ -211,8 +211,8 @@ size_t ewah_add(struct ewah_bitmap *self, eword_t word)
void ewah_set(struct ewah_bitmap *self, size_t i)
{
const size_t dist =
- (i + BITS_IN_WORD) / BITS_IN_WORD -
- (self->bit_size + BITS_IN_WORD - 1) / BITS_IN_WORD;
+ (i + BITS_IN_EWORD) / BITS_IN_EWORD -
+ (self->bit_size + BITS_IN_EWORD - 1) / BITS_IN_EWORD;
assert(i >= self->bit_size);
@@ -222,19 +222,19 @@ void ewah_set(struct ewah_bitmap *self, size_t i)
if (dist > 1)
add_empty_words(self, 0, dist - 1);
- add_literal(self, (eword_t)1 << (i % BITS_IN_WORD));
+ add_literal(self, (eword_t)1 << (i % BITS_IN_EWORD));
return;
}
if (rlw_get_literal_words(self->rlw) == 0) {
rlw_set_running_len(self->rlw,
rlw_get_running_len(self->rlw) - 1);
- add_literal(self, (eword_t)1 << (i % BITS_IN_WORD));
+ add_literal(self, (eword_t)1 << (i % BITS_IN_EWORD));
return;
}
self->buffer[self->buffer_size - 1] |=
- ((eword_t)1 << (i % BITS_IN_WORD));
+ ((eword_t)1 << (i % BITS_IN_EWORD));
/* check if we just completed a stream of 1s */
if (self->buffer[self->buffer_size - 1] == (eword_t)(~0)) {
@@ -255,11 +255,11 @@ void ewah_each_bit(struct ewah_bitmap *self, void (*callback)(size_t, void*), vo
eword_t *word = &self->buffer[pointer];
if (rlw_get_run_bit(word)) {
- size_t len = rlw_get_running_len(word) * BITS_IN_WORD;
+ size_t len = rlw_get_running_len(word) * BITS_IN_EWORD;
for (k = 0; k < len; ++k, ++pos)
callback(pos, payload);
} else {
- pos += rlw_get_running_len(word) * BITS_IN_WORD;
+ pos += rlw_get_running_len(word) * BITS_IN_EWORD;
}
++pointer;
@@ -268,7 +268,7 @@ void ewah_each_bit(struct ewah_bitmap *self, void (*callback)(size_t, void*), vo
int c;
/* todo: zero count optimization */
- for (c = 0; c < BITS_IN_WORD; ++c, ++pos) {
+ for (c = 0; c < BITS_IN_EWORD; ++c, ++pos) {
if ((self->buffer[pointer] & ((eword_t)1 << c)) != 0)
callback(pos, payload);
}
diff --git a/ewah/ewok.h b/ewah/ewok.h
index 43adeb5..7e311b3 100644
--- a/ewah/ewok.h
+++ b/ewah/ewok.h
@@ -31,7 +31,7 @@
#endif
typedef uint64_t eword_t;
-#define BITS_IN_WORD (sizeof(eword_t) * 8)
+#define BITS_IN_EWORD (sizeof(eword_t) * 8)
/**
* Do not use __builtin_popcountll. The GCC implementation
diff --git a/pack-bitmap.c b/pack-bitmap.c
index 91e4101..18f0e42 100644
--- a/pack-bitmap.c
+++ b/pack-bitmap.c
@@ -618,7 +618,7 @@ static void show_objects_for_type(
while (i < objects->word_alloc && ewah_iterator_next(&filter, &it)) {
eword_t word = objects->words[i] & filter;
- for (offset = 0; offset < BITS_IN_WORD; ++offset) {
+ for (offset = 0; offset < BITS_IN_EWORD; ++offset) {
const unsigned char *sha1;
struct revindex_entry *entry;
uint32_t hash = 0;
@@ -640,7 +640,7 @@ static void show_objects_for_type(
show_reach(sha1, object_type, 0, hash, bitmap_git.pack, entry->offset);
}
- pos += BITS_IN_WORD;
+ pos += BITS_IN_EWORD;
i++;
}
}
@@ -772,7 +772,7 @@ int reuse_partial_packfile_from_bitmap(struct packed_git **packfile,
break;
}
- reuse_objects += BITS_IN_WORD;
+ reuse_objects += BITS_IN_EWORD;
}
#ifdef GIT_BITMAP_DEBUG
@@ -995,7 +995,7 @@ static int rebuild_bitmap(uint32_t *reposition,
while (ewah_iterator_next(&word, &it)) {
uint32_t offset, bit_pos;
- for (offset = 0; offset < BITS_IN_WORD; ++offset) {
+ for (offset = 0; offset < BITS_IN_EWORD; ++offset) {
if ((word >> offset) == 0)
break;
@@ -1008,7 +1008,7 @@ static int rebuild_bitmap(uint32_t *reposition,
return -1;
}
- pos += BITS_IN_WORD;
+ pos += BITS_IN_EWORD;
}
return 0;
}