void BasicBlockLocation::emitExecuteCode(CCallHelpers& jit) const
{
static_assert(sizeof(size_t) == 8, "Assuming size_t is 64 bits on 64 bit platforms.");
jit.add64(CCallHelpers::TrustedImm32(1), CCallHelpers::AbsoluteAddress(&m_executionCount));
}
static void compileRecovery(
CCallHelpers& jit, const ExitValue& value, StackMaps::Record* record, StackMaps& stackmaps,
char* registerScratch,
const HashMap<ExitTimeObjectMaterialization*, EncodedJSValue*>& materializationToPointer)
{
switch (value.kind()) {
case ExitValueDead:
jit.move(MacroAssembler::TrustedImm64(JSValue::encode(jsUndefined())), GPRInfo::regT0);
break;
case ExitValueConstant:
jit.move(MacroAssembler::TrustedImm64(JSValue::encode(value.constant())), GPRInfo::regT0);
break;
case ExitValueArgument:
record->locations[value.exitArgument().argument()].restoreInto(
jit, stackmaps, registerScratch, GPRInfo::regT0);
break;
case ExitValueInJSStack:
case ExitValueInJSStackAsInt32:
case ExitValueInJSStackAsInt52:
case ExitValueInJSStackAsDouble:
jit.load64(AssemblyHelpers::addressFor(value.virtualRegister()), GPRInfo::regT0);
break;
case ExitValueRecovery:
record->locations[value.rightRecoveryArgument()].restoreInto(
jit, stackmaps, registerScratch, GPRInfo::regT1);
record->locations[value.leftRecoveryArgument()].restoreInto(
jit, stackmaps, registerScratch, GPRInfo::regT0);
switch (value.recoveryOpcode()) {
case AddRecovery:
switch (value.recoveryFormat()) {
case DataFormatInt32:
jit.add32(GPRInfo::regT1, GPRInfo::regT0);
break;
case DataFormatInt52:
jit.add64(GPRInfo::regT1, GPRInfo::regT0);
break;
default:
RELEASE_ASSERT_NOT_REACHED();
break;
}
break;
case SubRecovery:
switch (value.recoveryFormat()) {
case DataFormatInt32:
jit.sub32(GPRInfo::regT1, GPRInfo::regT0);
break;
case DataFormatInt52:
jit.sub64(GPRInfo::regT1, GPRInfo::regT0);
break;
default:
RELEASE_ASSERT_NOT_REACHED();
break;
}
break;
default:
RELEASE_ASSERT_NOT_REACHED();
break;
}
break;
case ExitValueMaterializeNewObject:
jit.loadPtr(materializationToPointer.get(value.objectMaterialization()), GPRInfo::regT0);
break;
default:
RELEASE_ASSERT_NOT_REACHED();
break;
}
reboxAccordingToFormat(
value.dataFormat(), jit, GPRInfo::regT0, GPRInfo::regT1, GPRInfo::regT2);
}
