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Bug 1146295: Factor out SIMD types initialization; r=h4writer

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--HG--
extra : rebase_source : 3e9f46f22f7b979d09e293d71117dabcf9d4f043
This commit is contained in:
Benjamin Bouvier 2015-03-23 10:57:59 +01:00
parent 3abe00d639
commit 85f77babea
1 changed files with 37 additions and 59 deletions
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96
js/src/builtin/SIMD.cpp
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@ -331,18 +331,6 @@ CreateSimdClass(JSContext *cx, Handle<GlobalObject*> global, HandlePropertyName
return typeDescr;
}
const char*
SimdTypeToMinimumLanesNumber(SimdTypeDescr &descr) {
switch (descr.type()) {
case SimdTypeDescr::TYPE_INT32:
case SimdTypeDescr::TYPE_FLOAT32:
return "3";
case SimdTypeDescr::TYPE_FLOAT64:
return "1";
}
MOZ_CRASH("Unexpected SIMD type description.");
}
bool
SimdTypeDescr::call(JSContext *cx, unsigned argc, Value *vp)
{
@ -400,6 +388,27 @@ const Class SIMDObject::class_ = {
JSCLASS_HAS_CACHED_PROTO(JSProto_SIMD)
};
template <typename Defn>
static JSObject *
CreateAndBindSimdType(JSContext *cx, Handle<GlobalObject*> global, HandleObject SIMD,
js::ImmutablePropertyNamePtr name, const JSFunctionSpec methodsSpec[])
{
RootedObject typeObject(cx, CreateSimdClass<Defn>(cx, global, name));
if (!typeObject)
return nullptr;
// Define float32x4 functions and install as a property of the SIMD object.
RootedValue typeValue(cx, ObjectValue(*typeObject));
if (!JS_DefineFunctions(cx, typeObject, methodsSpec) ||
!DefineProperty(cx, SIMD, name, typeValue, nullptr, nullptr,
JSPROP_READONLY | JSPROP_PERMANENT))
{
return nullptr;
}
return typeObject;
}
JSObject *
SIMDObject::initClass(JSContext *cx, Handle<GlobalObject *> global)
{
@ -421,66 +430,35 @@ SIMDObject::initClass(JSContext *cx, Handle<GlobalObject *> global)
return nullptr;
// float32x4
RootedObject float32x4Object(cx);
float32x4Object = CreateSimdClass<Float32x4Defn>(cx, global,
cx->names().float32x4);
if (!float32x4Object)
RootedObject f32x4(cx);
f32x4 = CreateAndBindSimdType<Float32x4Defn>(cx, global, SIMD, cx->names().float32x4,
Float32x4Methods);
if (!f32x4)
return nullptr;
// Define float32x4 functions and install as a property of the SIMD object.
RootedValue float32x4Value(cx, ObjectValue(*float32x4Object));
if (!JS_DefineFunctions(cx, float32x4Object, Float32x4Methods) ||
!DefineProperty(cx, SIMD, cx->names().float32x4,
float32x4Value, nullptr, nullptr,
JSPROP_READONLY | JSPROP_PERMANENT))
{
return nullptr;
}
global->setFloat32x4TypeDescr(*f32x4);
// float64x2
RootedObject float64x2Object(cx);
float64x2Object = CreateSimdClass<Float64x2Defn>(cx, global,
cx->names().float64x2);
if (!float64x2Object)
RootedObject f64x2(cx);
f64x2 = CreateAndBindSimdType<Float64x2Defn>(cx, global, SIMD, cx->names().float64x2,
Float64x2Methods);
if (!f64x2)
return nullptr;
// Define float64x2 functions and install as a property of the SIMD object.
RootedValue float64x2Value(cx, ObjectValue(*float64x2Object));
if (!JS_DefineFunctions(cx, float64x2Object, Float64x2Methods) ||
!DefineProperty(cx, SIMD, cx->names().float64x2,
float64x2Value, nullptr, nullptr,
JSPROP_READONLY | JSPROP_PERMANENT))
{
return nullptr;
}
global->setFloat64x2TypeDescr(*f64x2);
// int32x4
RootedObject int32x4Object(cx);
int32x4Object = CreateSimdClass<Int32x4Defn>(cx, global,
cx->names().int32x4);
if (!int32x4Object)
RootedObject i32x4(cx);
i32x4 = CreateAndBindSimdType<Int32x4Defn>(cx, global, SIMD, cx->names().int32x4,
Int32x4Methods);
if (!i32x4)
return nullptr;
// Define int32x4 functions and install as a property of the SIMD object.
RootedValue int32x4Value(cx, ObjectValue(*int32x4Object));
if (!JS_DefineFunctions(cx, int32x4Object, Int32x4Methods) ||
!DefineProperty(cx, SIMD, cx->names().int32x4,
int32x4Value, nullptr, nullptr,
JSPROP_READONLY | JSPROP_PERMANENT))
{
return nullptr;
}
RootedValue SIMDValue(cx, ObjectValue(*SIMD));
global->setInt32x4TypeDescr(*i32x4);
// Everything is set up, install SIMD on the global object.
RootedValue SIMDValue(cx, ObjectValue(*SIMD));
if (!DefineProperty(cx, global, cx->names().SIMD, SIMDValue, nullptr, nullptr, 0))
return nullptr;
global->setConstructor(JSProto_SIMD, SIMDValue);
global->setFloat32x4TypeDescr(*float32x4Object);
global->setFloat64x2TypeDescr(*float64x2Object);
global->setInt32x4TypeDescr(*int32x4Object);
return SIMD;
}