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GC safety and sign extension fixes

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This commit is contained in:
Joel Dice 2007-12-17 19:09:32 -07:00
parent 2e33856d6b
commit 6895ffaa99
1 changed files with 15 additions and 8 deletions
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23
src/compile.cpp
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@ -2888,6 +2888,8 @@ object
finish(MyThread* t, Compiler* c, object method, Vector* objectPool,
Vector* traceLog)
{
PROTECT(t, method);
unsigned count = ceiling(c->codeSize() + c->poolSize(), BytesPerWord);
unsigned size = count + singletonMaskSize(count);
object result = allocate2
@ -2900,7 +2902,6 @@ finish(MyThread* t, Compiler* c, object method, Vector* objectPool,
c->writeTo(start);
if (method) {
PROTECT(t, method);
PROTECT(t, result);
for (unsigned i = 0; i < objectPool->length(); i += sizeof(PoolElement)) {
@ -2999,10 +3000,10 @@ finish(MyThread* t, Compiler* c, object method, Vector* objectPool,
if (false and
strcmp(reinterpret_cast<const char*>
(&byteArrayBody(t, className(t, methodClass(t, method)), 0)),
"org/eclipse/swt/widgets/Display") == 0 and
"java/util/Properties$Parser") == 0 and
strcmp(reinterpret_cast<const char*>
(&byteArrayBody(t, methodName(t, method), 0)),
"init") == 0)
"parse") == 0)
{
asm("int3");
}
@ -3172,11 +3173,7 @@ invokeNative2(MyThread* t, object method)
case INT64_TYPE:
case DOUBLE_TYPE: {
memcpy(args + argOffset, sp, 8);
if (BytesPerWord == 8) {
++argOffset;
} else {
argOffset += 2;
}
argOffset += (8 / BytesPerWord);
sp -= 2;
} break;
@ -3217,6 +3214,16 @@ invokeNative2(MyThread* t, object method)
if (LIKELY(t->exception == 0) and returnType == POINTER_TYPE) {
return result ? *reinterpret_cast<uintptr_t*>(result) : 0;
} else if (BytesPerWord == 8) {
switch (returnType) {
case INT8_TYPE:
case INT16_TYPE:
case INT32_TYPE:
// force sign extension
return static_cast<int32_t>(result);
default: return result;
}
} else {
return result;
}