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natClass.cc (isInstance): Use __builtin_expect.

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2000-05-05  Bryce McKinlay  <bryce@albatross.co.nz>

	* java/lang/natClass.cc (isInstance): Use __builtin_expect.
	(_Jv_IsAssignableFrom): Ditto.
	(_Jv_IsInstanceOf): Ditto.
	(_Jv_CheckCast): Ditto.
	(_Jv_CheckArrayStore): Ditto.
	* java/lang/Class.h (_Jv_InitClass): Ditto.
	* java/lang/natObject.cc (_Jv_MonitorEnter): __builtin_expect `false',
	not `0'.
	(notify): Ditto.
	(notifyAll): Ditto.
	(wait): Ditto.
	(_Jv_MonitorExit): Ditto.
	* boehm.cc (_Jv_MarkObj): Ditto.
	(_Jv_MarkObj): Ditto.
	(_Jv_MarkArray): Ditto.
	* prims.cc (_Jv_AllocObject): Ditto.
	(_Jv_NewObjectArray): Ditto.
	(_Jv_NewPrimArray): Ditto.
	(_Jv_Malloc): Ditto.
	(_Jv_Realloc): Ditto.
	(_Jv_MallocUnchecked): Ditto.
	(_Jv_divI): Ditto.
	(_Jv_remI): Ditto.
	(_Jv_divJ): Ditto.
	(_Jv_remJ): Ditto.

From-SVN: r33698
This commit is contained in:
Bryce McKinlay 2000-05-05 02:56:14 +00:00 • committed by Bryce McKinlay
parent 59b30ca6dd
commit 9d4c21486c
5 changed files with 64 additions and 32 deletions
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14
libjava/java/lang/natClass.cc
View file

@ -622,7 +622,7 @@ java::lang::Class::isAssignableFrom (jclass klass)
inline jboolean
java::lang::Class::isInstance (jobject obj)
{
if (! obj || isPrimitive ())
if (__builtin_expect (! obj || isPrimitive (), false))
return false;
_Jv_InitClass (this);
return _Jv_IsAssignableFrom (this, JV_CLASS (obj));
@ -923,7 +923,7 @@ _Jv_IsAssignableFrom (jclass target, jclass source)
{
_Jv_IDispatchTable *cl_idt = source->idt;
_Jv_IDispatchTable *if_idt = target->idt;
if (if_idt == NULL)
if (__builtin_expect ((if_idt == NULL), false))
return false; // No class implementing TARGET has been loaded.
jshort cl_iindex = cl_idt->cls.iindex;
if (cl_iindex <= if_idt->iface.ioffsets[0])
@ -941,13 +941,16 @@ _Jv_IsAssignableFrom (jclass target, jclass source)
jboolean
_Jv_IsInstanceOf(jobject obj, jclass cl)
{
return (obj ? _Jv_IsAssignableFrom (cl, JV_CLASS (obj)) : false);
if (__builtin_expect (!obj, false))
return false;
return (_Jv_IsAssignableFrom (cl, JV_CLASS (obj)));
}
void *
_Jv_CheckCast (jclass c, jobject obj)
{
if (obj != NULL && ! _Jv_IsAssignableFrom(c, JV_CLASS (obj)))
if (__builtin_expect
(obj != NULL && ! _Jv_IsAssignableFrom(c, JV_CLASS (obj)), false))
JvThrow (new java::lang::ClassCastException);
return obj;
}
@ -960,7 +963,8 @@ _Jv_CheckArrayStore (jobject arr, jobject obj)
JvAssert (arr != NULL);
jclass elt_class = (JV_CLASS (arr))->getComponentType();
jclass obj_class = JV_CLASS (obj);
if (! _Jv_IsAssignableFrom (elt_class, obj_class))
if (__builtin_expect
(! _Jv_IsAssignableFrom (elt_class, obj_class), false))
JvThrow (new java::lang::ArrayStoreException);
}
}