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do setelem in a builtin, so we don't abort trace every 8 times when growing

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2008-07-27 18:34:23 -04:00
parent 3d6f674216
commit 649ad9c1ff
4 changed files with 27 additions and 15 deletions
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21
js/src/jsbuiltins.cpp
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@@ -42,6 +42,8 @@
#include <math.h>
#include "jsapi.h"
#include "jsarray.h"
#include "jsbool.h"
#include "jsnum.h"
#include "jsgc.h"
#include "jscntxt.h"
@@ -151,6 +153,23 @@ jsdouble FASTCALL builtin_Math_sqrt(jsdouble d)
return sqrt(d);
}
bool FASTCALL builtin_Array_dense_setelem(JSContext *cx, JSObject *obj, jsint i, jsval v)
{
JS_ASSERT(OBJ_IS_DENSE_ARRAY(cx, obj));
jsuint length = ARRAY_DENSE_LENGTH(obj);
if ((jsuint)i < length) {
if (obj->dslots[i] == JSVAL_HOLE) {
if (i >= obj->fslots[JSSLOT_ARRAY_LENGTH])
obj->fslots[JSSLOT_ARRAY_LENGTH] = i + 1;
obj->fslots[JSSLOT_ARRAY_COUNT]++;
}
obj->dslots[i] = v;
return true;
}
return OBJ_SET_PROPERTY(cx, obj, INT_TO_JSID(i), &v);
}
#define LO ARGSIZE_LO
#define F ARGSIZE_F
#define Q ARGSIZE_Q
@@ -167,6 +186,8 @@ jsdouble FASTCALL builtin_Math_sqrt(jsdouble d)
{ (intptr_t)&builtin_##op, (at0 << 4) | (at1 << 2) | atr, cse, fold NAME(op) },
#define BUILTIN3(op, at0, at1, at2, atr, tr, t0, t1, t2, cse, fold) \
{ (intptr_t)&builtin_##op, (at0 << 6) | (at1 << 4) | (at2 << 2) | atr, cse, fold NAME(op) },
#define BUILTIN4(op, at0, at1, at2, at3, atr, tr, t0, t1, t2, t3, cse, fold) \
{ (intptr_t)&builtin_##op, (at0 << 8) | (at1 << 6) | (at2 << 4) | (at3 << 2) | atr, cse, fold NAME(op) },
struct CallInfo builtins[] = {
#include "builtins.tbl"