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Inline GetUnitString fast path (513373, r=sayrer).

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This commit is contained in:
Andreas Gal
2009-08-28 16:30:41 -07:00
parent d519506f6e
commit e646399910
6 changed files with 96 additions and 42 deletions
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5
js/src/jsatom.cpp
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@@ -58,6 +58,7 @@
#include "jsscan.h"
#include "jsstr.h"
#include "jsversion.h"
#include "jsstrinlines.h"
/*
* ATOM_HASH assumes that JSHashNumber is 32-bit even on 64-bit systems.
@@ -688,7 +689,7 @@ js_AtomizeString(JSContext *cx, JSString *str, uintN flags)
if (str->length() == 1) {
jschar c = str->chars()[0];
if (c < UNIT_STRING_LIMIT) {
JSString *str = js_GetUnitStringForChar(cx, c);
JSString *str = JSString::getUnitString(cx, c);
return str ? (JSAtom *) STRING_TO_JSVAL(str) : NULL;
}
}
@@ -826,7 +827,7 @@ js_GetExistingStringAtom(JSContext *cx, const jschar *chars, size_t length)
if (length == 1) {
jschar c = *chars;
if (c < UNIT_STRING_LIMIT) {
JSString *str = js_GetUnitStringForChar(cx, c);
JSString *str = JSString::getUnitString(cx, c);
return str ? (JSAtom *) STRING_TO_JSVAL(str) : NULL;
}
}