Mercurial > hg > truffle
diff src/cpu/x86/vm/sharedRuntime_x86_64.cpp @ 304:dc7f315e41f7
5108146: Merge i486 and amd64 cpu directories
6459804: Want client (c1) compiler for x86_64 (amd64) for faster start-up
Reviewed-by: kvn
| author | never |
|---|---|
| date | Wed, 27 Aug 2008 00:21:55 -0700 |
| parents | d1605aabd0a1 |
| children | 52a431267315 70998f2e05ef |
line wrap: on
line diff
--- a/src/cpu/x86/vm/sharedRuntime_x86_64.cpp Tue Aug 26 15:49:40 2008 -0700 +++ b/src/cpu/x86/vm/sharedRuntime_x86_64.cpp Wed Aug 27 00:21:55 2008 -0700 @@ -120,6 +120,7 @@ // values on its own static int rax_offset_in_bytes(void) { return BytesPerInt * rax_off; } + static int rdx_offset_in_bytes(void) { return BytesPerInt * rdx_off; } static int rbx_offset_in_bytes(void) { return BytesPerInt * rbx_off; } static int xmm0_offset_in_bytes(void) { return BytesPerInt * xmm0_off; } static int return_offset_in_bytes(void) { return BytesPerInt * return_off; } @@ -152,7 +153,7 @@ __ push_CPU_state(); // Push a multiple of 16 bytes if (frame::arg_reg_save_area_bytes != 0) { // Allocate argument register save area - __ subq(rsp, frame::arg_reg_save_area_bytes); + __ subptr(rsp, frame::arg_reg_save_area_bytes); } // Set an oopmap for the call site. This oopmap will map all @@ -266,12 +267,12 @@ void RegisterSaver::restore_live_registers(MacroAssembler* masm) { if (frame::arg_reg_save_area_bytes != 0) { // Pop arg register save area - __ addq(rsp, frame::arg_reg_save_area_bytes); + __ addptr(rsp, frame::arg_reg_save_area_bytes); } // Recover CPU state __ pop_CPU_state(); // Get the rbp described implicitly by the calling convention (no oopMap) - __ popq(rbp); + __ pop(rbp); } void RegisterSaver::restore_result_registers(MacroAssembler* masm) { @@ -285,9 +286,11 @@ // Restore fp result register __ movdbl(xmm0, Address(rsp, xmm0_offset_in_bytes())); // Restore integer result register - __ movq(rax, Address(rsp, rax_offset_in_bytes())); + __ movptr(rax, Address(rsp, rax_offset_in_bytes())); + __ movptr(rdx, Address(rsp, rdx_offset_in_bytes())); + // Pop all of the register save are off the stack except the return address - __ addq(rsp, return_offset_in_bytes()); + __ addptr(rsp, return_offset_in_bytes()); } // The java_calling_convention describes stack locations as ideal slots on @@ -407,18 +410,18 @@ static void patch_callers_callsite(MacroAssembler *masm) { Label L; __ verify_oop(rbx); - __ cmpq(Address(rbx, in_bytes(methodOopDesc::code_offset())), (int)NULL_WORD); + __ cmpptr(Address(rbx, in_bytes(methodOopDesc::code_offset())), (int32_t)NULL_WORD); __ jcc(Assembler::equal, L); // Save the current stack pointer - __ movq(r13, rsp); + __ mov(r13, rsp); // Schedule the branch target address early. // Call into the VM to patch the caller, then jump to compiled callee // rax isn't live so capture return address while we easily can - __ movq(rax, Address(rsp, 0)); + __ movptr(rax, Address(rsp, 0)); // align stack so push_CPU_state doesn't fault - __ andq(rsp, -(StackAlignmentInBytes)); + __ andptr(rsp, -(StackAlignmentInBytes)); __ push_CPU_state(); @@ -430,20 +433,20 @@ // Allocate argument register save area if (frame::arg_reg_save_area_bytes != 0) { - __ subq(rsp, frame::arg_reg_save_area_bytes); + __ subptr(rsp, frame::arg_reg_save_area_bytes); } - __ movq(c_rarg0, rbx); - __ movq(c_rarg1, rax); + __ mov(c_rarg0, rbx); + __ mov(c_rarg1, rax); __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, SharedRuntime::fixup_callers_callsite))); // De-allocate argument register save area if (frame::arg_reg_save_area_bytes != 0) { - __ addq(rsp, frame::arg_reg_save_area_bytes); + __ addptr(rsp, frame::arg_reg_save_area_bytes); } __ pop_CPU_state(); // restore sp - __ movq(rsp, r13); + __ mov(rsp, r13); __ bind(L); } @@ -452,13 +455,13 @@ if (TaggedStackInterpreter) { int tag_offset = st_off + Interpreter::expr_tag_offset_in_bytes(0); if (sig == T_OBJECT || sig == T_ARRAY) { - __ mov64(Address(rsp, tag_offset), frame::TagReference); + __ movptr(Address(rsp, tag_offset), (int32_t) frame::TagReference); } else if (sig == T_LONG || sig == T_DOUBLE) { int next_tag_offset = st_off + Interpreter::expr_tag_offset_in_bytes(1); - __ mov64(Address(rsp, next_tag_offset), frame::TagValue); - __ mov64(Address(rsp, tag_offset), frame::TagValue); + __ movptr(Address(rsp, next_tag_offset), (int32_t) frame::TagValue); + __ movptr(Address(rsp, tag_offset), (int32_t) frame::TagValue); } else { - __ mov64(Address(rsp, tag_offset), frame::TagValue); + __ movptr(Address(rsp, tag_offset), (int32_t) frame::TagValue); } } } @@ -490,15 +493,15 @@ extraspace = round_to(extraspace, 2*wordSize); // Get return address - __ popq(rax); + __ pop(rax); // set senderSP value - __ movq(r13, rsp); - - __ subq(rsp, extraspace); + __ mov(r13, rsp); + + __ subptr(rsp, extraspace); // Store the return address in the expected location - __ movq(Address(rsp, 0), rax); + __ movptr(Address(rsp, 0), rax); // Now write the args into the outgoing interpreter space for (int i = 0; i < total_args_passed; i++) { @@ -537,7 +540,7 @@ if (!r_2->is_valid()) { // sign extend?? __ movl(rax, Address(rsp, ld_off)); - __ movq(Address(rsp, st_off), rax); + __ movptr(Address(rsp, st_off), rax); tag_stack(masm, sig_bt[i], st_off); } else { @@ -553,7 +556,7 @@ #ifdef ASSERT // Overwrite the unused slot with known junk __ mov64(rax, CONST64(0xdeadffffdeadaaaa)); - __ movq(Address(rsp, st_off), rax); + __ movptr(Address(rsp, st_off), rax); #endif /* ASSERT */ tag_stack(masm, sig_bt[i], next_off); } else { @@ -576,12 +579,12 @@ #ifdef ASSERT // Overwrite the unused slot with known junk __ mov64(rax, CONST64(0xdeadffffdeadaaab)); - __ movq(Address(rsp, st_off), rax); + __ movptr(Address(rsp, st_off), rax); #endif /* ASSERT */ __ movq(Address(rsp, next_off), r); tag_stack(masm, sig_bt[i], next_off); } else { - __ movq(Address(rsp, st_off), r); + __ movptr(Address(rsp, st_off), r); tag_stack(masm, sig_bt[i], st_off); } } @@ -595,7 +598,7 @@ #ifdef ASSERT // Overwrite the unused slot with known junk __ mov64(rax, CONST64(0xdeadffffdeadaaac)); - __ movq(Address(rsp, st_off), rax); + __ movptr(Address(rsp, st_off), rax); #endif /* ASSERT */ __ movdbl(Address(rsp, next_off), r_1->as_XMMRegister()); tag_stack(masm, sig_bt[i], next_off); @@ -604,7 +607,7 @@ } // Schedule the branch target address early. - __ movq(rcx, Address(rbx, in_bytes(methodOopDesc::interpreter_entry_offset()))); + __ movptr(rcx, Address(rbx, in_bytes(methodOopDesc::interpreter_entry_offset()))); __ jmp(rcx); } @@ -631,7 +634,7 @@ // save code can segv when fxsave instructions find improperly // aligned stack pointer. - __ movq(rax, Address(rsp, 0)); + __ movptr(rax, Address(rsp, 0)); // Cut-out for having no stack args. Since up to 2 int/oop args are passed // in registers, we will occasionally have no stack args. @@ -645,20 +648,20 @@ comp_words_on_stack = round_to(comp_args_on_stack*VMRegImpl::stack_slot_size, wordSize)>>LogBytesPerWord; // Round up to miminum stack alignment, in wordSize comp_words_on_stack = round_to(comp_words_on_stack, 2); - __ subq(rsp, comp_words_on_stack * wordSize); + __ subptr(rsp, comp_words_on_stack * wordSize); } // Ensure compiled code always sees stack at proper alignment - __ andq(rsp, -16); + __ andptr(rsp, -16); // push the return address and misalign the stack that youngest frame always sees // as far as the placement of the call instruction - __ pushq(rax); + __ push(rax); // Will jump to the compiled code just as if compiled code was doing it. // Pre-load the register-jump target early, to schedule it better. - __ movq(r11, Address(rbx, in_bytes(methodOopDesc::from_compiled_offset()))); + __ movptr(r11, Address(rbx, in_bytes(methodOopDesc::from_compiled_offset()))); // Now generate the shuffle code. Pick up all register args and move the // rest through the floating point stack top. @@ -697,7 +700,7 @@ if (!r_2->is_valid()) { // sign extend??? __ movl(rax, Address(r13, ld_off)); - __ movq(Address(rsp, st_off), rax); + __ movptr(Address(rsp, st_off), rax); } else { // // We are using two optoregs. This can be either T_OBJECT, T_ADDRESS, T_LONG, or T_DOUBLE @@ -751,12 +754,12 @@ // is possible. So we stash the desired callee in the thread // and the vm will find there should this case occur. - __ movq(Address(r15_thread, JavaThread::callee_target_offset()), rbx); + __ movptr(Address(r15_thread, JavaThread::callee_target_offset()), rbx); // put methodOop where a c2i would expect should we end up there // only needed becaus eof c2 resolve stubs return methodOop as a result in // rax - __ movq(rax, rbx); + __ mov(rax, rbx); __ jmp(r11); } @@ -792,8 +795,8 @@ __ load_klass(temp, receiver); __ verify_oop(temp); - __ cmpq(temp, Address(holder, compiledICHolderOopDesc::holder_klass_offset())); - __ movq(rbx, Address(holder, compiledICHolderOopDesc::holder_method_offset())); + __ cmpptr(temp, Address(holder, compiledICHolderOopDesc::holder_klass_offset())); + __ movptr(rbx, Address(holder, compiledICHolderOopDesc::holder_method_offset())); __ jcc(Assembler::equal, ok); __ jump(RuntimeAddress(SharedRuntime::get_ic_miss_stub())); @@ -801,7 +804,7 @@ // Method might have been compiled since the call site was patched to // interpreted if that is the case treat it as a miss so we can get // the call site corrected. - __ cmpq(Address(rbx, in_bytes(methodOopDesc::code_offset())), (int)NULL_WORD); + __ cmpptr(Address(rbx, in_bytes(methodOopDesc::code_offset())), (int32_t)NULL_WORD); __ jcc(Assembler::equal, skip_fixup); __ jump(RuntimeAddress(SharedRuntime::get_ic_miss_stub())); } @@ -980,10 +983,10 @@ *receiver_offset = (offset_in_older_frame + framesize_in_slots) * VMRegImpl::stack_slot_size; } - __ cmpq(Address(rbp, reg2offset_in(src.first())), (int)NULL_WORD); - __ leaq(rHandle, Address(rbp, reg2offset_in(src.first()))); + __ cmpptr(Address(rbp, reg2offset_in(src.first())), (int32_t)NULL_WORD); + __ lea(rHandle, Address(rbp, reg2offset_in(src.first()))); // conditionally move a NULL - __ cmovq(Assembler::equal, rHandle, Address(rbp, reg2offset_in(src.first()))); + __ cmovptr(Assembler::equal, rHandle, Address(rbp, reg2offset_in(src.first()))); } else { // Oop is in an a register we must store it to the space we reserve @@ -1011,20 +1014,20 @@ map->set_oop(VMRegImpl::stack2reg(oop_slot)); // Store oop in handle area, may be NULL - __ movq(Address(rsp, offset), rOop); + __ movptr(Address(rsp, offset), rOop); if (is_receiver) { *receiver_offset = offset; } - __ cmpq(rOop, (int)NULL); - __ leaq(rHandle, Address(rsp, offset)); + __ cmpptr(rOop, (int32_t)NULL_WORD); + __ lea(rHandle, Address(rsp, offset)); // conditionally move a NULL from the handle area where it was just stored - __ cmovq(Assembler::equal, rHandle, Address(rsp, offset)); + __ cmovptr(Assembler::equal, rHandle, Address(rsp, offset)); } // If arg is on the stack then place it otherwise it is already in correct reg. if (dst.first()->is_stack()) { - __ movq(Address(rsp, reg2offset_out(dst.first())), rHandle); + __ movptr(Address(rsp, reg2offset_out(dst.first())), rHandle); } } @@ -1039,7 +1042,7 @@ if (src.first()->is_stack()) { if (dst.first()->is_stack()) { __ movl(rax, Address(rbp, reg2offset_in(src.first()))); - __ movq(Address(rsp, reg2offset_out(dst.first())), rax); + __ movptr(Address(rsp, reg2offset_out(dst.first())), rax); } else { // stack to reg assert(dst.first()->is_XMMRegister(), "only expect xmm registers as parameters"); @@ -1068,7 +1071,7 @@ if (src.is_single_phys_reg() ) { if (dst.is_single_phys_reg()) { if (dst.first() != src.first()) { - __ movq(dst.first()->as_Register(), src.first()->as_Register()); + __ mov(dst.first()->as_Register(), src.first()->as_Register()); } } else { assert(dst.is_single_reg(), "not a stack pair"); @@ -1124,7 +1127,7 @@ break; case T_VOID: break; default: { - __ movq(Address(rbp, -wordSize), rax); + __ movptr(Address(rbp, -wordSize), rax); } } } @@ -1141,7 +1144,7 @@ break; case T_VOID: break; default: { - __ movq(rax, Address(rbp, -wordSize)); + __ movptr(rax, Address(rbp, -wordSize)); } } } @@ -1149,9 +1152,9 @@ static void save_args(MacroAssembler *masm, int arg_count, int first_arg, VMRegPair *args) { for ( int i = first_arg ; i < arg_count ; i++ ) { if (args[i].first()->is_Register()) { - __ pushq(args[i].first()->as_Register()); + __ push(args[i].first()->as_Register()); } else if (args[i].first()->is_XMMRegister()) { - __ subq(rsp, 2*wordSize); + __ subptr(rsp, 2*wordSize); __ movdbl(Address(rsp, 0), args[i].first()->as_XMMRegister()); } } @@ -1160,10 +1163,10 @@ static void restore_args(MacroAssembler *masm, int arg_count, int first_arg, VMRegPair *args) { for ( int i = arg_count - 1 ; i >= first_arg ; i-- ) { if (args[i].first()->is_Register()) { - __ popq(args[i].first()->as_Register()); + __ pop(args[i].first()->as_Register()); } else if (args[i].first()->is_XMMRegister()) { __ movdbl(args[i].first()->as_XMMRegister(), Address(rsp, 0)); - __ addq(rsp, 2*wordSize); + __ addptr(rsp, 2*wordSize); } } } @@ -1303,16 +1306,16 @@ Label exception_pending; __ verify_oop(receiver); - __ pushq(tmp); // spill (any other registers free here???) + __ push(tmp); // spill (any other registers free here???) __ load_klass(tmp, receiver); __ cmpq(ic_reg, tmp); __ jcc(Assembler::equal, ok); - __ popq(tmp); + __ pop(tmp); __ jump(RuntimeAddress(SharedRuntime::get_ic_miss_stub())); __ bind(ok); - __ popq(tmp); + __ pop(tmp); // Verified entry point must be aligned __ align(8); @@ -1335,7 +1338,7 @@ // Generate a new frame for the wrapper. __ enter(); // -2 because return address is already present and so is saved rbp - __ subq(rsp, stack_size - 2*wordSize); + __ subptr(rsp, stack_size - 2*wordSize); // Frame is now completed as far as size and linkage. @@ -1344,9 +1347,9 @@ #ifdef ASSERT { Label L; - __ movq(rax, rsp); - __ andq(rax, -16); // must be 16 byte boundry (see amd64 ABI) - __ cmpq(rax, rsp); + __ mov(rax, rsp); + __ andptr(rax, -16); // must be 16 byte boundry (see amd64 ABI) + __ cmpptr(rax, rsp); __ jcc(Assembler::equal, L); __ stop("improperly aligned stack"); __ bind(L); @@ -1467,13 +1470,13 @@ __ movoop(oop_handle_reg, JNIHandles::make_local(Klass::cast(method->method_holder())->java_mirror())); // Now handlize the static class mirror it's known not-null. - __ movq(Address(rsp, klass_offset), oop_handle_reg); + __ movptr(Address(rsp, klass_offset), oop_handle_reg); map->set_oop(VMRegImpl::stack2reg(klass_slot_offset)); // Now get the handle - __ leaq(oop_handle_reg, Address(rsp, klass_offset)); + __ lea(oop_handle_reg, Address(rsp, klass_offset)); // store the klass handle as second argument - __ movq(c_rarg1, oop_handle_reg); + __ movptr(c_rarg1, oop_handle_reg); // and protect the arg if we must spill c_arg--; } @@ -1521,14 +1524,14 @@ const int mark_word_offset = BasicLock::displaced_header_offset_in_bytes(); // Get the handle (the 2nd argument) - __ movq(oop_handle_reg, c_rarg1); + __ mov(oop_handle_reg, c_rarg1); // Get address of the box - __ leaq(lock_reg, Address(rsp, lock_slot_offset * VMRegImpl::stack_slot_size)); + __ lea(lock_reg, Address(rsp, lock_slot_offset * VMRegImpl::stack_slot_size)); // Load the oop from the handle - __ movq(obj_reg, Address(oop_handle_reg, 0)); + __ movptr(obj_reg, Address(oop_handle_reg, 0)); if (UseBiasedLocking) { __ biased_locking_enter(lock_reg, obj_reg, swap_reg, rscratch1, false, lock_done, &slow_path_lock); @@ -1538,17 +1541,17 @@ __ movl(swap_reg, 1); // Load (object->mark() | 1) into swap_reg %rax - __ orq(swap_reg, Address(obj_reg, 0)); + __ orptr(swap_reg, Address(obj_reg, 0)); // Save (object->mark() | 1) into BasicLock's displaced header - __ movq(Address(lock_reg, mark_word_offset), swap_reg); + __ movptr(Address(lock_reg, mark_word_offset), swap_reg); if (os::is_MP()) { __ lock(); } // src -> dest iff dest == rax else rax <- dest - __ cmpxchgq(lock_reg, Address(obj_reg, 0)); + __ cmpxchgptr(lock_reg, Address(obj_reg, 0)); __ jcc(Assembler::equal, lock_done); // Hmm should this move to the slow path code area??? @@ -1562,11 +1565,11 @@ // least significant 2 bits clear. // NOTE: the oopMark is in swap_reg %rax as the result of cmpxchg - __ subq(swap_reg, rsp); - __ andq(swap_reg, 3 - os::vm_page_size()); + __ subptr(swap_reg, rsp); + __ andptr(swap_reg, 3 - os::vm_page_size()); // Save the test result, for recursive case, the result is zero - __ movq(Address(lock_reg, mark_word_offset), swap_reg); + __ movptr(Address(lock_reg, mark_word_offset), swap_reg); __ jcc(Assembler::notEqual, slow_path_lock); // Slow path will re-enter here @@ -1580,21 +1583,21 @@ // get JNIEnv* which is first argument to native - __ leaq(c_rarg0, Address(r15_thread, in_bytes(JavaThread::jni_environment_offset()))); + __ lea(c_rarg0, Address(r15_thread, in_bytes(JavaThread::jni_environment_offset()))); // Now set thread in native - __ mov64(Address(r15_thread, JavaThread::thread_state_offset()), _thread_in_native); + __ movl(Address(r15_thread, JavaThread::thread_state_offset()), _thread_in_native); __ call(RuntimeAddress(method->native_function())); // Either restore the MXCSR register after returning from the JNI Call // or verify that it wasn't changed. if (RestoreMXCSROnJNICalls) { - __ ldmxcsr(ExternalAddress(StubRoutines::amd64::mxcsr_std())); + __ ldmxcsr(ExternalAddress(StubRoutines::x86::mxcsr_std())); } else if (CheckJNICalls ) { - __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, StubRoutines::amd64::verify_mxcsr_entry()))); + __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, StubRoutines::x86::verify_mxcsr_entry()))); } @@ -1624,7 +1627,7 @@ // VM thread changes sync state to synchronizing and suspends threads for GC. // Thread A is resumed to finish this native method, but doesn't block here since it // didn't see any synchronization is progress, and escapes. - __ mov64(Address(r15_thread, JavaThread::thread_state_offset()), _thread_in_native_trans); + __ movl(Address(r15_thread, JavaThread::thread_state_offset()), _thread_in_native_trans); if(os::is_MP()) { if (UseMembar) { @@ -1662,12 +1665,12 @@ // by hand. // save_native_result(masm, ret_type, stack_slots); - __ movq(c_rarg0, r15_thread); - __ movq(r12, rsp); // remember sp - __ subq(rsp, frame::arg_reg_save_area_bytes); // windows - __ andq(rsp, -16); // align stack as required by ABI + __ mov(c_rarg0, r15_thread); + __ mov(r12, rsp); // remember sp + __ subptr(rsp, frame::arg_reg_save_area_bytes); // windows + __ andptr(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 + __ mov(rsp, r12); // restore sp __ reinit_heapbase(); // Restore any method result value restore_native_result(masm, ret_type, stack_slots); @@ -1691,7 +1694,7 @@ if (method->is_synchronized()) { // Get locked oop from the handle we passed to jni - __ movq(obj_reg, Address(oop_handle_reg, 0)); + __ movptr(obj_reg, Address(oop_handle_reg, 0)); Label done; @@ -1701,7 +1704,7 @@ // Simple recursive lock? - __ cmpq(Address(rsp, lock_slot_offset * VMRegImpl::stack_slot_size), (int)NULL_WORD); + __ cmpptr(Address(rsp, lock_slot_offset * VMRegImpl::stack_slot_size), (int32_t)NULL_WORD); __ jcc(Assembler::equal, done); // Must save rax if if it is live now because cmpxchg must use it @@ -1711,15 +1714,15 @@ // get address of the stack lock - __ leaq(rax, Address(rsp, lock_slot_offset * VMRegImpl::stack_slot_size)); + __ lea(rax, Address(rsp, lock_slot_offset * VMRegImpl::stack_slot_size)); // get old displaced header - __ movq(old_hdr, Address(rax, 0)); + __ movptr(old_hdr, Address(rax, 0)); // Atomic swap old header if oop still contains the stack lock if (os::is_MP()) { __ lock(); } - __ cmpxchgq(old_hdr, Address(obj_reg, 0)); + __ cmpxchgptr(old_hdr, Address(obj_reg, 0)); __ jcc(Assembler::notEqual, slow_path_unlock); // slow path re-enters here @@ -1746,23 +1749,23 @@ // Unpack oop result if (ret_type == T_OBJECT || ret_type == T_ARRAY) { Label L; - __ testq(rax, rax); + __ testptr(rax, rax); __ jcc(Assembler::zero, L); - __ movq(rax, Address(rax, 0)); + __ movptr(rax, Address(rax, 0)); __ bind(L); __ verify_oop(rax); } // reset handle block - __ movq(rcx, Address(r15_thread, JavaThread::active_handles_offset())); - __ movptr(Address(rcx, JNIHandleBlock::top_offset_in_bytes()), (int)NULL_WORD); + __ movptr(rcx, Address(r15_thread, JavaThread::active_handles_offset())); + __ movptr(Address(rcx, JNIHandleBlock::top_offset_in_bytes()), (int32_t)NULL_WORD); // pop our frame __ leave(); // Any exception pending? - __ cmpq(Address(r15_thread, in_bytes(Thread::pending_exception_offset())), (int)NULL_WORD); + __ cmpptr(Address(r15_thread, in_bytes(Thread::pending_exception_offset())), (int32_t)NULL_WORD); __ jcc(Assembler::notEqual, exception_pending); // Return @@ -1790,9 +1793,9 @@ // protect the args we've loaded save_args(masm, total_c_args, c_arg, out_regs); - __ movq(c_rarg0, obj_reg); - __ movq(c_rarg1, lock_reg); - __ movq(c_rarg2, r15_thread); + __ mov(c_rarg0, obj_reg); + __ mov(c_rarg1, lock_reg); + __ mov(c_rarg2, r15_thread); // Not a leaf but we have last_Java_frame setup as we want __ call_VM_leaf(CAST_FROM_FN_PTR(address, SharedRuntime::complete_monitor_locking_C), 3); @@ -1800,7 +1803,7 @@ #ifdef ASSERT { Label L; - __ cmpq(Address(r15_thread, in_bytes(Thread::pending_exception_offset())), (int)NULL_WORD); + __ cmpptr(Address(r15_thread, in_bytes(Thread::pending_exception_offset())), (int32_t)NULL_WORD); __ jcc(Assembler::equal, L); __ stop("no pending exception allowed on exit from monitorenter"); __ bind(L); @@ -1820,32 +1823,32 @@ save_native_result(masm, ret_type, stack_slots); } - __ leaq(c_rarg1, Address(rsp, lock_slot_offset * VMRegImpl::stack_slot_size)); - - __ movq(c_rarg0, obj_reg); - __ movq(r12, rsp); // remember sp - __ subq(rsp, frame::arg_reg_save_area_bytes); // windows - __ andq(rsp, -16); // align stack as required by ABI + __ lea(c_rarg1, Address(rsp, lock_slot_offset * VMRegImpl::stack_slot_size)); + + __ mov(c_rarg0, obj_reg); + __ mov(r12, rsp); // remember sp + __ subptr(rsp, frame::arg_reg_save_area_bytes); // windows + __ andptr(rsp, -16); // align stack as required by ABI // Save pending exception around call to VM (which contains an EXCEPTION_MARK) // NOTE that obj_reg == rbx currently - __ movq(rbx, Address(r15_thread, in_bytes(Thread::pending_exception_offset()))); - __ movptr(Address(r15_thread, in_bytes(Thread::pending_exception_offset())), (int)NULL_WORD); + __ movptr(rbx, Address(r15_thread, in_bytes(Thread::pending_exception_offset()))); + __ movptr(Address(r15_thread, in_bytes(Thread::pending_exception_offset())), (int32_t)NULL_WORD); __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, SharedRuntime::complete_monitor_unlocking_C))); - __ movq(rsp, r12); // restore sp + __ mov(rsp, r12); // restore sp __ reinit_heapbase(); #ifdef ASSERT { Label L; - __ cmpq(Address(r15_thread, in_bytes(Thread::pending_exception_offset())), (int)NULL_WORD); + __ cmpptr(Address(r15_thread, in_bytes(Thread::pending_exception_offset())), (int)NULL_WORD); __ jcc(Assembler::equal, L); __ stop("no pending exception allowed on exit complete_monitor_unlocking_C"); __ bind(L); } #endif /* ASSERT */ - __ movq(Address(r15_thread, in_bytes(Thread::pending_exception_offset())), rbx); + __ movptr(Address(r15_thread, in_bytes(Thread::pending_exception_offset())), rbx); if (ret_type == T_FLOAT || ret_type == T_DOUBLE ) { restore_native_result(masm, ret_type, stack_slots); @@ -1860,11 +1863,11 @@ __ bind(reguard); save_native_result(masm, ret_type, stack_slots); - __ movq(r12, rsp); // remember sp - __ subq(rsp, frame::arg_reg_save_area_bytes); // windows - __ andq(rsp, -16); // align stack as required by ABI + __ mov(r12, rsp); // remember sp + __ subptr(rsp, frame::arg_reg_save_area_bytes); // windows + __ andptr(rsp, -16); // align stack as required by ABI __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, SharedRuntime::reguard_yellow_pages))); - __ movq(rsp, r12); // restore sp + __ mov(rsp, r12); // restore sp __ reinit_heapbase(); restore_native_result(masm, ret_type, stack_slots); // and continue @@ -2574,19 +2577,74 @@ // Normal deoptimization. Save exec mode for unpack_frames. __ movl(r14, Deoptimization::Unpack_deopt); // callee-saved __ jmp(cont); + + int reexecute_offset = __ pc() - start; + + // Reexecute case + // return address is the pc describes what bci to do re-execute at + + // No need to update map as each call to save_live_registers will produce identical oopmap + (void) RegisterSaver::save_live_registers(masm, 0, &frame_size_in_words); + + __ movl(r14, Deoptimization::Unpack_reexecute); // callee-saved + __ jmp(cont); + int exception_offset = __ pc() - start; // Prolog for exception case - // Push throwing pc as return address - __ pushq(rdx); + // all registers are dead at this entry point, except for rax, and + // rdx which contain the exception oop and exception pc + // respectively. Set them in TLS and fall thru to the + // unpack_with_exception_in_tls entry point. + + __ movptr(Address(r15_thread, JavaThread::exception_pc_offset()), rdx); + __ movptr(Address(r15_thread, JavaThread::exception_oop_offset()), rax); + + int exception_in_tls_offset = __ pc() - start; + + // new implementation because exception oop is now passed in JavaThread + + // Prolog for exception case + // All registers must be preserved because they might be used by LinearScan + // Exceptiop oop and throwing PC are passed in JavaThread + // tos: stack at point of call to method that threw the exception (i.e. only + // args are on the stack, no return address) + + // make room on stack for the return address + // It will be patched later with the throwing pc. The correct value is not + // available now because loading it from memory would destroy registers. + __ push(0); // Save everything in sight. map = RegisterSaver::save_live_registers(masm, 0, &frame_size_in_words); + // Now it is safe to overwrite any register + // Deopt during an exception. Save exec mode for unpack_frames. __ movl(r14, Deoptimization::Unpack_exception); // callee-saved + // load throwing pc from JavaThread and patch it as the return address + // of the current frame. Then clear the field in JavaThread + + __ movptr(rdx, Address(r15_thread, JavaThread::exception_pc_offset())); + __ movptr(Address(rbp, wordSize), rdx); + __ movptr(Address(r15_thread, JavaThread::exception_pc_offset()), (int32_t)NULL_WORD); + +#ifdef ASSERT + // verify that there is really an exception oop in JavaThread + __ movptr(rax, Address(r15_thread, JavaThread::exception_oop_offset())); + __ verify_oop(rax); + + // verify that there is no pending exception + Label no_pending_exception; + __ movptr(rax, Address(r15_thread, Thread::pending_exception_offset())); + __ testptr(rax, rax); + __ jcc(Assembler::zero, no_pending_exception); + __ stop("must not have pending exception here"); + __ bind(no_pending_exception); +#endif + __ bind(cont); // Call C code. Need thread and this frame, but NOT official VM entry @@ -2599,15 +2657,15 @@ __ set_last_Java_frame(noreg, noreg, NULL); #ifdef ASSERT { Label L; - __ cmpq(Address(r15_thread, + __ cmpptr(Address(r15_thread, JavaThread::last_Java_fp_offset()), - 0); + (int32_t)0); __ jcc(Assembler::equal, L); __ stop("SharedRuntime::generate_deopt_blob: last_Java_fp not cleared"); __ bind(L); } #endif // ASSERT - __ movq(c_rarg0, r15_thread); + __ mov(c_rarg0, r15_thread); __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, Deoptimization::fetch_unroll_info))); // Need to have an oopmap that tells fetch_unroll_info where to @@ -2617,7 +2675,25 @@ __ reset_last_Java_frame(false, false); // Load UnrollBlock* into rdi - __ movq(rdi, rax); + __ mov(rdi, rax); + + Label noException; + __ cmpl(r12, Deoptimization::Unpack_exception); // Was exception pending? + __ jcc(Assembler::notEqual, noException); + __ movptr(rax, Address(r15_thread, JavaThread::exception_oop_offset())); + // QQQ this is useless it was NULL above + __ movptr(rdx, Address(r15_thread, JavaThread::exception_pc_offset())); + __ movptr(Address(r15_thread, JavaThread::exception_oop_offset()), (int32_t)NULL_WORD); + __ movptr(Address(r15_thread, JavaThread::exception_pc_offset()), (int32_t)NULL_WORD); + + __ verify_oop(rax); + + // Overwrite the result registers with the exception results. + __ movptr(Address(rsp, RegisterSaver::rax_offset_in_bytes()), rax); + // I think this is useless + __ movptr(Address(rsp, RegisterSaver::rdx_offset_in_bytes()), rdx); + + __ bind(noException); // Only register save data is on the stack. // Now restore the result registers. Everything else is either dead @@ -2640,7 +2716,7 @@ // Pop deoptimized frame __ movl(rcx, Address(rdi, Deoptimization::UnrollBlock::size_of_deoptimized_frame_offset_in_bytes())); - __ addq(rsp, rcx); + __ addptr(rsp, rcx); // rsp should be pointing at the return address to the caller (3) @@ -2651,19 +2727,19 @@ } // Load address of array of frame pcs into rcx - __ movq(rcx, Address(rdi, Deoptimization::UnrollBlock::frame_pcs_offset_in_bytes())); + __ movptr(rcx, Address(rdi, Deoptimization::UnrollBlock::frame_pcs_offset_in_bytes())); // Trash the old pc - __ addq(rsp, wordSize); + __ addptr(rsp, wordSize); // Load address of array of frame sizes into rsi - __ movq(rsi, Address(rdi, Deoptimization::UnrollBlock::frame_sizes_offset_in_bytes())); + __ movptr(rsi, Address(rdi, Deoptimization::UnrollBlock::frame_sizes_offset_in_bytes())); // Load counter into rdx __ movl(rdx, Address(rdi, Deoptimization::UnrollBlock::number_of_frames_offset_in_bytes())); // Pick up the initial fp we should save - __ movq(rbp, Address(rdi, Deoptimization::UnrollBlock::initial_fp_offset_in_bytes())); + __ movptr(rbp, Address(rdi, Deoptimization::UnrollBlock::initial_fp_offset_in_bytes())); // Now adjust the caller's stack to make up for the extra locals // but record the original sp so that we can save it in the skeletal interpreter @@ -2672,41 +2748,56 @@ const Register sender_sp = r8; - __ movq(sender_sp, rsp); + __ mov(sender_sp, rsp); __ movl(rbx, Address(rdi, Deoptimization::UnrollBlock:: caller_adjustment_offset_in_bytes())); - __ subq(rsp, rbx); + __ subptr(rsp, rbx); // Push interpreter frames in a loop Label loop; __ bind(loop); - __ movq(rbx, Address(rsi, 0)); // Load frame size - __ subq(rbx, 2*wordSize); // We'll push pc and ebp by hand - __ pushq(Address(rcx, 0)); // Save return address + __ movptr(rbx, Address(rsi, 0)); // Load frame size +#ifdef CC_INTERP + __ subptr(rbx, 4*wordSize); // we'll push pc and ebp by hand and +#ifdef ASSERT + __ push(0xDEADDEAD); // Make a recognizable pattern + __ push(0xDEADDEAD); +#else /* ASSERT */ + __ subptr(rsp, 2*wordSize); // skip the "static long no_param" +#endif /* ASSERT */ +#else + __ subptr(rbx, 2*wordSize); // We'll push pc and ebp by hand +#endif // CC_INTERP + __ pushptr(Address(rcx, 0)); // Save return address __ enter(); // Save old & set new ebp - __ subq(rsp, rbx); // Prolog - __ movq(Address(rbp, frame::interpreter_frame_sender_sp_offset * wordSize), - sender_sp); // Make it walkable + __ subptr(rsp, rbx); // Prolog +#ifdef CC_INTERP + __ movptr(Address(rbp, + -(sizeof(BytecodeInterpreter)) + in_bytes(byte_offset_of(BytecodeInterpreter, _sender_sp))), + sender_sp); // Make it walkable +#else /* CC_INTERP */ // This value is corrected by layout_activation_impl - __ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int)NULL_WORD ); - __ movq(sender_sp, rsp); // Pass sender_sp to next frame - __ addq(rsi, wordSize); // Bump array pointer (sizes) - __ addq(rcx, wordSize); // Bump array pointer (pcs) + __ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD ); + __ movptr(Address(rbp, frame::interpreter_frame_sender_sp_offset * wordSize), sender_sp); // Make it walkable +#endif /* CC_INTERP */ + __ mov(sender_sp, rsp); // Pass sender_sp to next frame + __ addptr(rsi, wordSize); // Bump array pointer (sizes) + __ addptr(rcx, wordSize); // Bump array pointer (pcs) __ decrementl(rdx); // Decrement counter __ jcc(Assembler::notZero, loop); - __ pushq(Address(rcx, 0)); // Save final return address + __ pushptr(Address(rcx, 0)); // Save final return address // Re-push self-frame __ enter(); // Save old & set new ebp // Allocate a full sized register save area. // Return address and rbp are in place, so we allocate two less words. - __ subq(rsp, (frame_size_in_words - 2) * wordSize); + __ subptr(rsp, (frame_size_in_words - 2) * wordSize); // Restore frame locals after moving the frame __ movdbl(Address(rsp, RegisterSaver::xmm0_offset_in_bytes()), xmm0); - __ movq(Address(rsp, RegisterSaver::rax_offset_in_bytes()), rax); + __ movptr(Address(rsp, RegisterSaver::rax_offset_in_bytes()), rax); // Call C code. Need thread but NOT official VM entry // crud. We cannot block on this call, no GC can happen. Call should @@ -2717,7 +2808,7 @@ // Use rbp because the frames look interpreted now __ set_last_Java_frame(noreg, rbp, NULL); - __ movq(c_rarg0, r15_thread); + __ mov(c_rarg0, r15_thread); __ movl(c_rarg1, r14); // second arg: exec_mode __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, Deoptimization::unpack_frames))); @@ -2729,7 +2820,9 @@ // Collect return values __ movdbl(xmm0, Address(rsp, RegisterSaver::xmm0_offset_in_bytes())); - __ movq(rax, Address(rsp, RegisterSaver::rax_offset_in_bytes())); + __ movptr(rax, Address(rsp, RegisterSaver::rax_offset_in_bytes())); + // I think this is useless (throwing pc?) + __ movptr(rdx, Address(rsp, RegisterSaver::rdx_offset_in_bytes())); // Pop self-frame. __ leave(); // Epilog @@ -2740,7 +2833,8 @@ // Make sure all code is generated masm->flush(); - _deopt_blob = DeoptimizationBlob::create(&buffer, oop_maps, 0, exception_offset, 0, frame_size_in_words); + _deopt_blob = DeoptimizationBlob::create(&buffer, oop_maps, 0, exception_offset, reexecute_offset, frame_size_in_words); + _deopt_blob->set_unpack_with_exception_in_tls_offset(exception_in_tls_offset); } #ifdef COMPILER2 @@ -2758,10 +2852,10 @@ // Push self-frame. We get here with a return address on the // stack, so rsp is 8-byte aligned until we allocate our frame. - __ subq(rsp, SimpleRuntimeFrame::return_off << LogBytesPerInt); // Epilog! + __ subptr(rsp, SimpleRuntimeFrame::return_off << LogBytesPerInt); // Epilog! // No callee saved registers. rbp is assumed implicitly saved - __ movq(Address(rsp, SimpleRuntimeFrame::rbp_off << LogBytesPerInt), rbp); + __ movptr(Address(rsp, SimpleRuntimeFrame::rbp_off << LogBytesPerInt), rbp); // compiler left unloaded_class_index in j_rarg0 move to where the // runtime expects it. @@ -2776,7 +2870,7 @@ // // UnrollBlock* uncommon_trap(JavaThread* thread, jint unloaded_class_index); - __ movq(c_rarg0, r15_thread); + __ mov(c_rarg0, r15_thread); __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, Deoptimization::uncommon_trap))); // Set an oopmap for the call site @@ -2790,7 +2884,7 @@ __ reset_last_Java_frame(false, false); // Load UnrollBlock* into rdi - __ movq(rdi, rax); + __ mov(rdi, rax); // Pop all the frames we must move/replace. // @@ -2800,13 +2894,13 @@ // 3: caller of deopting frame (could be compiled/interpreted). // Pop self-frame. We have no frame, and must rely only on rax and rsp. - __ addq(rsp, (SimpleRuntimeFrame::framesize - 2) << LogBytesPerInt); // Epilog! + __ addptr(rsp, (SimpleRuntimeFrame::framesize - 2) << LogBytesPerInt); // Epilog! // Pop deoptimized frame (int) __ movl(rcx, Address(rdi, Deoptimization::UnrollBlock:: size_of_deoptimized_frame_offset_in_bytes())); - __ addq(rsp, rcx); + __ addptr(rsp, rcx); // rsp should be pointing at the return address to the caller (3) @@ -2817,17 +2911,17 @@ } // Load address of array of frame pcs into rcx (address*) - __ movq(rcx, - Address(rdi, - Deoptimization::UnrollBlock::frame_pcs_offset_in_bytes())); + __ movptr(rcx, + Address(rdi, + Deoptimization::UnrollBlock::frame_pcs_offset_in_bytes())); // Trash the return pc - __ addq(rsp, wordSize); + __ addptr(rsp, wordSize); // Load address of array of frame sizes into rsi (intptr_t*) - __ movq(rsi, Address(rdi, - Deoptimization::UnrollBlock:: - frame_sizes_offset_in_bytes())); + __ movptr(rsi, Address(rdi, + Deoptimization::UnrollBlock:: + frame_sizes_offset_in_bytes())); // Counter __ movl(rdx, Address(rdi, @@ -2835,9 +2929,9 @@ number_of_frames_offset_in_bytes())); // (int) // Pick up the initial fp we should save - __ movq(rbp, - Address(rdi, - Deoptimization::UnrollBlock::initial_fp_offset_in_bytes())); + __ movptr(rbp, + Address(rdi, + Deoptimization::UnrollBlock::initial_fp_offset_in_bytes())); // Now adjust the caller's stack to make up for the extra locals but // record the original sp so that we can save it in the skeletal @@ -2846,34 +2940,34 @@ const Register sender_sp = r8; - __ movq(sender_sp, rsp); + __ mov(sender_sp, rsp); __ movl(rbx, Address(rdi, Deoptimization::UnrollBlock:: caller_adjustment_offset_in_bytes())); // (int) - __ subq(rsp, rbx); + __ subptr(rsp, rbx); // Push interpreter frames in a loop Label loop; __ bind(loop); - __ movq(rbx, Address(rsi, 0)); // Load frame size - __ subq(rbx, 2 * wordSize); // We'll push pc and rbp by hand - __ pushq(Address(rcx, 0)); // Save return address - __ enter(); // Save old & set new rbp - __ subq(rsp, rbx); // Prolog - __ movq(Address(rbp, frame::interpreter_frame_sender_sp_offset * wordSize), - sender_sp); // Make it walkable + __ movptr(rbx, Address(rsi, 0)); // Load frame size + __ subptr(rbx, 2 * wordSize); // We'll push pc and rbp by hand + __ pushptr(Address(rcx, 0)); // Save return address + __ enter(); // Save old & set new rbp + __ subptr(rsp, rbx); // Prolog + __ movptr(Address(rbp, frame::interpreter_frame_sender_sp_offset * wordSize), + sender_sp); // Make it walkable // This value is corrected by layout_activation_impl - __ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int)NULL_WORD ); - __ movq(sender_sp, rsp); // Pass sender_sp to next frame - __ addq(rsi, wordSize); // Bump array pointer (sizes) - __ addq(rcx, wordSize); // Bump array pointer (pcs) - __ decrementl(rdx); // Decrement counter + __ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD ); + __ mov(sender_sp, rsp); // Pass sender_sp to next frame + __ addptr(rsi, wordSize); // Bump array pointer (sizes) + __ addptr(rcx, wordSize); // Bump array pointer (pcs) + __ decrementl(rdx); // Decrement counter __ jcc(Assembler::notZero, loop); - __ pushq(Address(rcx, 0)); // Save final return address + __ pushptr(Address(rcx, 0)); // Save final return address // Re-push self-frame __ enter(); // Save old & set new rbp - __ subq(rsp, (SimpleRuntimeFrame::framesize - 4) << LogBytesPerInt); + __ subptr(rsp, (SimpleRuntimeFrame::framesize - 4) << LogBytesPerInt); // Prolog // Use rbp because the frames look interpreted now @@ -2886,7 +2980,7 @@ // // BasicType unpack_frames(JavaThread* thread, int exec_mode); - __ movq(c_rarg0, r15_thread); + __ mov(c_rarg0, r15_thread); __ movl(c_rarg1, Deoptimization::Unpack_uncommon_trap); __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, Deoptimization::unpack_frames))); @@ -2933,7 +3027,7 @@ // Make room for return address (or push it again) if (!cause_return) { - __ pushq(rbx); + __ push(rbx); } // Save registers, fpu state, and flags @@ -2950,12 +3044,12 @@ if (!cause_return) { // overwrite the dummy value we pushed on entry - __ movq(c_rarg0, Address(r15_thread, JavaThread::saved_exception_pc_offset())); - __ movq(Address(rbp, wordSize), c_rarg0); + __ movptr(c_rarg0, Address(r15_thread, JavaThread::saved_exception_pc_offset())); + __ movptr(Address(rbp, wordSize), c_rarg0); } // Do the call - __ movq(c_rarg0, r15_thread); + __ mov(c_rarg0, r15_thread); __ call(RuntimeAddress(call_ptr)); // Set an oopmap for the call site. This oopmap will map all @@ -2969,7 +3063,7 @@ __ reset_last_Java_frame(false, false); - __ cmpq(Address(r15_thread, Thread::pending_exception_offset()), (int)NULL_WORD); + __ cmpptr(Address(r15_thread, Thread::pending_exception_offset()), (int32_t)NULL_WORD); __ jcc(Assembler::equal, noException); // Exception pending @@ -3023,7 +3117,7 @@ __ set_last_Java_frame(noreg, noreg, NULL); - __ movq(c_rarg0, r15_thread); + __ mov(c_rarg0, r15_thread); __ call(RuntimeAddress(destination)); @@ -3040,14 +3134,14 @@ __ reset_last_Java_frame(false, false); // check for pending exceptions Label pending; - __ cmpq(Address(r15_thread, Thread::pending_exception_offset()), (int)NULL_WORD); + __ cmpptr(Address(r15_thread, Thread::pending_exception_offset()), (int32_t)NULL_WORD); __ jcc(Assembler::notEqual, pending); // get the returned methodOop - __ movq(rbx, Address(r15_thread, JavaThread::vm_result_offset())); - __ movq(Address(rsp, RegisterSaver::rbx_offset_in_bytes()), rbx); - - __ movq(Address(rsp, RegisterSaver::rax_offset_in_bytes()), rax); + __ movptr(rbx, Address(r15_thread, JavaThread::vm_result_offset())); + __ movptr(Address(rsp, RegisterSaver::rbx_offset_in_bytes()), rbx); + + __ movptr(Address(rsp, RegisterSaver::rax_offset_in_bytes()), rax); RegisterSaver::restore_live_registers(masm); @@ -3065,7 +3159,7 @@ __ movptr(Address(r15_thread, JavaThread::vm_result_offset()), (int)NULL_WORD); - __ movq(rax, Address(r15_thread, Thread::pending_exception_offset())); + __ movptr(rax, Address(r15_thread, Thread::pending_exception_offset())); __ jump(RuntimeAddress(StubRoutines::forward_exception_entry())); // ------------- @@ -3154,8 +3248,8 @@ address start = __ pc(); // Exception pc is 'return address' for stack walker - __ pushq(rdx); - __ subq(rsp, SimpleRuntimeFrame::return_off << LogBytesPerInt); // Prolog + __ push(rdx); + __ subptr(rsp, SimpleRuntimeFrame::return_off << LogBytesPerInt); // Prolog // Save callee-saved registers. See x86_64.ad. @@ -3163,14 +3257,14 @@ // convention will save restore it in prolog/epilog) Other than that // there are no callee save registers now that adapter frames are gone. - __ movq(Address(rsp, SimpleRuntimeFrame::rbp_off << LogBytesPerInt), rbp); + __ movptr(Address(rsp, SimpleRuntimeFrame::rbp_off << LogBytesPerInt), rbp); // Store exception in Thread object. We cannot pass any arguments to the // handle_exception call, since we do not want to make any assumption // about the size of the frame where the exception happened in. // c_rarg0 is either rdi (Linux) or rcx (Windows). - __ movq(Address(r15_thread, JavaThread::exception_oop_offset()),rax); - __ movq(Address(r15_thread, JavaThread::exception_pc_offset()), rdx); + __ movptr(Address(r15_thread, JavaThread::exception_oop_offset()),rax); + __ movptr(Address(r15_thread, JavaThread::exception_pc_offset()), rdx); // This call does all the hard work. It checks if an exception handler // exists in the method. @@ -3181,7 +3275,7 @@ // address OptoRuntime::handle_exception_C(JavaThread* thread) __ set_last_Java_frame(noreg, noreg, NULL); - __ movq(c_rarg0, r15_thread); + __ mov(c_rarg0, r15_thread); __ call(RuntimeAddress(CAST_FROM_FN_PTR(address, OptoRuntime::handle_exception_C))); // Set an oopmap for the call site. This oopmap will only be used if we @@ -3202,20 +3296,20 @@ // convention will save restore it in prolog/epilog) Other than that // there are no callee save registers no that adapter frames are gone. - __ movq(rbp, Address(rsp, SimpleRuntimeFrame::rbp_off << LogBytesPerInt)); - - __ addq(rsp, SimpleRuntimeFrame::return_off << LogBytesPerInt); // Epilog - __ popq(rdx); // No need for exception pc anymore + __ movptr(rbp, Address(rsp, SimpleRuntimeFrame::rbp_off << LogBytesPerInt)); + + __ addptr(rsp, SimpleRuntimeFrame::return_off << LogBytesPerInt); // Epilog + __ pop(rdx); // No need for exception pc anymore // rax: exception handler // We have a handler in rax (could be deopt blob). - __ movq(r8, rax); + __ mov(r8, rax); // Get the exception oop - __ movq(rax, Address(r15_thread, JavaThread::exception_oop_offset())); + __ movptr(rax, Address(r15_thread, JavaThread::exception_oop_offset())); // Get the exception pc in case we are deoptimized - __ movq(rdx, Address(r15_thread, JavaThread::exception_pc_offset())); + __ movptr(rdx, Address(r15_thread, JavaThread::exception_pc_offset())); #ifdef ASSERT __ movptr(Address(r15_thread, JavaThread::exception_handler_pc_offset()), (int)NULL_WORD); __ movptr(Address(r15_thread, JavaThread::exception_pc_offset()), (int)NULL_WORD);