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fix iinc instruction to use set() instead of direct assignment; add Thread::HeapSizeInWords and Thread::StackSizeInWords

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This commit is contained in:
Joel Dice 2007-06-22 15:31:45 -06:00
parent 3a6da507ec
commit 4d202e4945
2 changed files with 11 additions and 8 deletions
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2
src/heap.cpp
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@ -18,7 +18,7 @@ const unsigned MinimumGen2SizeInBytes = 128 * 1024;
const unsigned Top = ~static_cast<unsigned>(0);
const bool Verbose = true;
const bool Debug = true;
const bool Debug = false;
class Context;

17
src/vm.cpp
View File

@ -94,6 +94,9 @@ class Thread {
static const unsigned HeapSizeInBytes = 64 * 1024;
static const unsigned StackSizeInBytes = 64 * 1024;
static const unsigned HeapSizeInWords = HeapSizeInBytes / BytesPerWord;
static const unsigned StackSizeInWords = StackSizeInBytes / BytesPerWord;
Thread(Machine* m);
Machine* vm;
@ -107,8 +110,8 @@ class Thread {
unsigned ip;
unsigned sp;
unsigned heapIndex;
object stack[StackSizeInBytes / BytesPerWord];
object heap[HeapSizeInBytes / BytesPerWord];
object stack[StackSizeInWords];
object heap[HeapSizeInWords];
Protector* protector;
};
@ -466,7 +469,7 @@ maybeYieldAndMaybeCollect(Thread* t, unsigned sizeInBytes)
}
if (t->heapIndex + divide(sizeInBytes, BytesPerWord)
>= (Thread::HeapSizeInBytes / BytesPerWord))
>= Thread::HeapSizeInWords)
{
enter(t, Thread::ExclusiveState);
collect(t->vm, Heap::MinorCollection);
@ -478,7 +481,7 @@ inline object
allocate(Thread* t, unsigned sizeInBytes)
{
if (UNLIKELY(t->heapIndex + divide(sizeInBytes, BytesPerWord)
>= (Thread::HeapSizeInBytes / BytesPerWord)
>= Thread::HeapSizeInWords
or t->vm->exclusive))
{
maybeYieldAndMaybeCollect(t, sizeInBytes);
@ -2429,7 +2432,7 @@ run(Thread* t)
int8_t c = codeBody(t, code, ip++);
int32_t v = intValue(t, frameLocals(t, frame, index));
frameLocals(t, frame, index) = makeInt(t, v + c);
set(t, frameLocals(t, frame, index), makeInt(t, v + c));
} goto loop;
case imul: {
@ -3021,7 +3024,7 @@ run(Thread* t)
uint16_t count = (count1 << 8) | count2;
int32_t v = intValue(t, frameLocals(t, frame, index));
frameLocals(t, frame, index) = makeInt(t, v + count);
set(t, frameLocals(t, frame, index), makeInt(t, v + count));
} goto loop;
case ret: {
@ -3036,7 +3039,7 @@ run(Thread* t)
invoke:
if (UNLIKELY(codeMaxStack(t, methodCode(t, code)) + sp - parameterCount
> (Thread::StackSizeInBytes / BytesPerWord)))
> Thread::StackSizeInWords))
{
exception = makeStackOverflowError(t);
goto throw_;