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Micro-optimize source (compilers probably do it, but hey); fix a comment.

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brendan%mozilla.org 2000-07-24 20:17:24 +00:00
Родитель 859bcd8cc5
Коммит dd89a16a61
1 изменённых файлов: 9 добавлений и 12 удалений
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21
js/src/jsatom.c
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@ -370,7 +370,7 @@ js_AtomizeHashedKey(JSContext *cx, jsval key, JSHashNumber keyHash, uintN flags)
JSAtom *atom; JSAtom *atom;
state = &cx->runtime->atomState; state = &cx->runtime->atomState;
JS_LOCK(&state->lock,cx); JS_LOCK(&state->lock, cx);
table = state->table; table = state->table;
hep = JS_HashTableRawLookup(table, keyHash, (void *)key); hep = JS_HashTableRawLookup(table, keyHash, (void *)key);
if ((he = *hep) == NULL) { if ((he = *hep) == NULL) {
@ -444,7 +444,7 @@ js_AtomizeDouble(JSContext *cx, jsdouble d, uintN flags)
keyHash = HASH_DOUBLE(dp); keyHash = HASH_DOUBLE(dp);
key = DOUBLE_TO_JSVAL(dp); key = DOUBLE_TO_JSVAL(dp);
state = &cx->runtime->atomState; state = &cx->runtime->atomState;
JS_LOCK(&state->lock,cx); JS_LOCK(&state->lock, cx);
table = state->table; table = state->table;
hep = JS_HashTableRawLookup(table, keyHash, (void *)key); hep = JS_HashTableRawLookup(table, keyHash, (void *)key);
if ((he = *hep) == NULL) { if ((he = *hep) == NULL) {
@ -454,7 +454,7 @@ js_AtomizeDouble(JSContext *cx, jsdouble d, uintN flags)
JS_UNLOCK(&state->lock,cx); JS_UNLOCK(&state->lock,cx);
if (!js_NewDoubleValue(cx, d, &key)) if (!js_NewDoubleValue(cx, d, &key))
return NULL; return NULL;
JS_LOCK(&state->lock,cx); JS_LOCK(&state->lock, cx);
#ifdef JS_THREADSAFE #ifdef JS_THREADSAFE
if (state->tablegen != gen) { if (state->tablegen != gen) {
hep = JS_HashTableRawLookup(table, keyHash, (void *)key); hep = JS_HashTableRawLookup(table, keyHash, (void *)key);
@ -492,7 +492,7 @@ js_AtomizeString(JSContext *cx, JSString *str, uintN flags)
keyHash = js_HashString(str); keyHash = js_HashString(str);
key = STRING_TO_JSVAL(str); key = STRING_TO_JSVAL(str);
state = &cx->runtime->atomState; state = &cx->runtime->atomState;
JS_LOCK(&state->lock,cx); JS_LOCK(&state->lock, cx);
table = state->table; table = state->table;
hep = JS_HashTableRawLookup(table, keyHash, (void *)key); hep = JS_HashTableRawLookup(table, keyHash, (void *)key);
if ((he = *hep) == NULL) { if ((he = *hep) == NULL) {
@ -500,16 +500,13 @@ js_AtomizeString(JSContext *cx, JSString *str, uintN flags)
#ifdef JS_THREADSAFE #ifdef JS_THREADSAFE
uint32 gen = state->tablegen; uint32 gen = state->tablegen;
#endif #endif
JS_UNLOCK(&state->lock,cx); JS_UNLOCK(&state->lock, cx);
if (flags & ATOM_NOCOPY) { str = ((flags & ATOM_NOCOPY) ? js_NewString : js_NewStringCopyN)
str = js_NewString(cx, str->chars, str->length, 0); (cx, str->chars, str->length, 0);
} else {
str = js_NewStringCopyN(cx, str->chars, str->length, 0);
}
if (!str) if (!str)
return NULL; return NULL;
key = STRING_TO_JSVAL(str); key = STRING_TO_JSVAL(str);
JS_LOCK(&state->lock,cx); JS_LOCK(&state->lock, cx);
#ifdef JS_THREADSAFE #ifdef JS_THREADSAFE
if (state->tablegen != gen) { if (state->tablegen != gen) {
hep = JS_HashTableRawLookup(table, keyHash, (void *)key); hep = JS_HashTableRawLookup(table, keyHash, (void *)key);
@ -548,7 +545,7 @@ js_Atomize(JSContext *cx, const char *bytes, size_t length, uintN flags)
/* /*
* Avoiding the malloc in js_InflateString on shorter strings saves us * Avoiding the malloc in js_InflateString on shorter strings saves us
* over 20,000 malloc calls on mozilla browser startup. This compares to * over 20,000 malloc calls on mozilla browser startup. This compares to
* only 131 calls where the string is longer than a 32 char buffer. * only 131 calls where the string is longer than a 31 char (net) buffer.
* The vast majority of atomized strings are already in the hashtable. So * The vast majority of atomized strings are already in the hashtable. So
* js_AtomizeString rarely has to copy the temp string we make. * js_AtomizeString rarely has to copy the temp string we make.
*/ */