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Issue #2026 - Part 1 - Implement BigInt64 and BigUint64Array. https://bugzilla.mozilla.org/show_bug.cgi?id=1456569

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This commit is contained in:
Brian Smith 2023-07-24 23:30:27 -05:00 • committed by roytam1
commit b64643e410
36 changed files with 788 additions and 232 deletions
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47
js/src/vm/SelfHosting.cpp
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@ -44,6 +44,7 @@
#include "jit/InlinableNatives.h"
#include "js/CharacterEncoding.h"
#include "js/Date.h"
#include "vm/BigIntType.h"
#include "vm/Compression.h"
#include "vm/GeneratorObject.h"
#include "vm/Interpreter.h"
@ -1181,6 +1182,18 @@ intrinsic_IsFloat32TypedArray(JSContext* cx, unsigned argc, Value* vp)
return intrinsic_IsSpecificTypedArray(cx, argc, vp, Scalar::Float32);
}
static bool
intrinsic_IsBigInt64TypedArray(JSContext* cx, unsigned argc, Value* vp)
{
return intrinsic_IsSpecificTypedArray(cx, argc, vp, Scalar::BigInt64);
}
static bool
intrinsic_IsBigUint64TypedArray(JSContext* cx, unsigned argc, Value* vp)
{
return intrinsic_IsSpecificTypedArray(cx, argc, vp, Scalar::BigUint64);
}
static bool
intrinsic_TypedArrayBuffer(JSContext* cx, unsigned argc, Value* vp)
{
@ -1521,6 +1534,14 @@ struct DisjointElements
CopyValues(dest, src.cast<double*>(), count);
return;
case Scalar::BigInt64:
CopyValues(dest, src.cast<int64_t*>(), count);
return;
case Scalar::BigUint64:
CopyValues(dest, src.cast<uint64_t*>(), count);
return;
case Scalar::Uint8Clamped:
CopyValues(dest, src.cast<uint8_clamped*>(), count);
return;
@ -1579,6 +1600,16 @@ CopyToDisjointArray(TypedArrayObject* target, uint32_t targetOffset, SharedMem<v
break;
}
case Scalar::BigInt64: {
DisjointElements::copy(dest.cast<int64_t*>(), src, srcType, count);
break;
}
case Scalar::BigUint64: {
DisjointElements::copy(dest.cast<uint64_t*>(), src, srcType, count);
break;
}
case Scalar::Uint8Clamped: {
DisjointElements::copy(dest.cast<uint8_clamped*>(), src, srcType, count);
break;
@ -2164,6 +2195,18 @@ intrinsic_PromiseResolve(JSContext* cx, unsigned argc, Value* vp)
return true;
}
static bool intrinsic_ToBigInt(JSContext* cx, unsigned argc, Value* vp)
{
CallArgs args = CallArgsFromVp(argc, vp);
MOZ_ASSERT(args.length() == 1);
BigInt* res = ToBigInt(cx, args[0]);
if (!res) {
return false;
}
args.rval().setBigInt(res);
return true;
}
// The self-hosting global isn't initialized with the normal set of builtins.
// Instead, individual C++-implemented functions that're required by
// self-hosted code are defined as global functions. Accessing these
@ -2399,6 +2442,8 @@ static const JSFunctionSpec intrinsic_functions[] = {
JS_FN("IsUint32TypedArray", intrinsic_IsUint32TypedArray, 1,0),
JS_FN("IsInt32TypedArray", intrinsic_IsInt32TypedArray, 1,0),
JS_FN("IsFloat32TypedArray", intrinsic_IsFloat32TypedArray, 1,0),
JS_FN("IsBigInt64TypedArray", intrinsic_IsBigInt64TypedArray, 1,0),
JS_FN("IsBigUint64TypedArray", intrinsic_IsBigUint64TypedArray, 1,0),
JS_INLINABLE_FN("IsTypedArray",
intrinsic_IsInstanceOfBuiltin<TypedArrayObject>, 1,0,
IntrinsicIsTypedArray),
@ -2591,6 +2636,8 @@ static const JSFunctionSpec intrinsic_functions[] = {
JS_FN("CallPromiseMethodIfWrapped", CallNonGenericSelfhostedMethod<Is<PromiseObject>>, 2, 0),
JS_FN("PromiseResolve", intrinsic_PromiseResolve, 2, 0),
JS_FN("ToBigInt", intrinsic_ToBigInt, 1, 0),
JS_FS_END
};