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6420645: Create a vm that uses compressed oops for up to 32gb heapsizes

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Compressed oops in instances, arrays, and headers. Code contributors are coleenp, phh, never, swamyv

Reviewed-by: jmasa, kamg, acorn, tbell, kvn, rasbold
This commit is contained in:
Coleen Phillimore 2008-04-13 17:43:42 -04:00
parent 680ecf1611
commit 4a831d45f0
273 changed files with 6585 additions and 2993 deletions
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6
hotspot/src/cpu/x86/vm/templateInterpreter_x86_64.cpp
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@ -664,7 +664,7 @@ address InterpreterGenerator::generate_native_entry(bool synchronized) {
// work registers
const Register method = rbx;
const Register t = r12;
const Register t = r11;
// allocate space for parameters
__ get_method(method);
@ -844,6 +844,7 @@ address InterpreterGenerator::generate_native_entry(bool synchronized) {
__ andq(rsp, -16); // align stack as required by ABI
__ call(RuntimeAddress(CAST_FROM_FN_PTR(address, JavaThread::check_special_condition_for_native_trans)));
__ movq(rsp, r12); // restore sp
__ reinit_heapbase();
__ bind(Continue);
}
@ -891,6 +892,7 @@ address InterpreterGenerator::generate_native_entry(bool synchronized) {
__ call(RuntimeAddress(CAST_FROM_FN_PTR(address, SharedRuntime::reguard_yellow_pages)));
__ movq(rsp, r12); // restore sp
__ popaq(); // XXX only restore smashed registers
__ reinit_heapbase();
__ bind(no_reguard);
}
@ -1360,6 +1362,7 @@ void TemplateInterpreterGenerator::generate_throw_exception() {
// rdx: return address/pc that threw exception
__ restore_bcp(); // r13 points to call/send
__ restore_locals();
__ reinit_heapbase(); // restore r12 as heapbase.
// Entry point for exceptions thrown within interpreter code
Interpreter::_throw_exception_entry = __ pc();
// expression stack is undefined here
@ -1658,6 +1661,7 @@ void TemplateInterpreterGenerator::trace_bytecode(Template* t) {
__ andq(rsp, -16); // align stack as required by ABI
__ call(RuntimeAddress(Interpreter::trace_code(t->tos_in())));
__ movq(rsp, r12); // restore sp
__ reinit_heapbase();
}