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Rearrange JSStackFrame... for 2% on both SS and V8

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This commit is contained in:
Luke Wagner 2010-06-29 01:07:12 -07:00
parent 10745fb373
commit 313b355d22
1 changed files with 6 additions and 4 deletions
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10
js/src/jsinterp.h
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@ -81,17 +81,15 @@ enum JSFrameFlags {
*/
struct JSStackFrame
{
/* N.B. alignment (TODO: remove these members) */
js::Value thisv; /* "this" pointer if in method */
js::Value rval; /* function return value */
jsbytecode *imacpc; /* null or interpreter macro call pc */
JSObject *callobj; /* lazily created Call object */
js::Value argsval; /* lazily created arguments object */
JSScript *script; /* script being interpreted */
JSFunction *fun; /* function being called or null */
js::Value thisv; /* "this" pointer if in method */
uintN argc; /* actual argument count */
js::Value *argv; /* base of argument stack slots */
js::Value rval; /* function return value */
void *annotation; /* used by Java security */
/* Maintained by StackSpace operations */
@ -228,6 +226,10 @@ namespace js {
JS_STATIC_ASSERT(sizeof(JSStackFrame) % sizeof(Value) == 0);
static const size_t VALUES_PER_STACK_FRAME = sizeof(JSStackFrame) / sizeof(Value);
JS_STATIC_ASSERT(offsetof(JSStackFrame, rval) % sizeof(Value) == 0);
JS_STATIC_ASSERT(offsetof(JSStackFrame, thisv) % sizeof(Value) == 0);
JS_STATIC_ASSERT(offsetof(JSStackFrame, scopeChain) % sizeof(Value) == 0);
} /* namespace js */
static JS_INLINE uintN