src/cpu/x86/vm/c1_Runtime1_x86.cpp

@@ -1579,11 +1579,10 @@
           __ movptr(rax, (int)id);
           __ call_RT(noreg, noreg, CAST_FROM_FN_PTR(address, unimplemented_entry), rax);
           __ should_not_reach_here();
           break;
         }
-
         __ push(rax);
         __ push(rdx);
 
         const Register pre_val = rax;
         const Register thread = NOT_LP64(rax) LP64_ONLY(r15_thread);

@@ -1603,12 +1602,12 @@
         Label done;
         Label runtime;
 
         // Can we store original value in the thread's buffer?
 
-        LP64_ONLY(__ movslq(tmp, queue_index);)
 #ifdef _LP64
+        __ movslq(tmp, queue_index);
         __ cmpq(tmp, 0);
 #else
         __ cmpl(queue_index, 0);
 #endif
         __ jcc(Assembler::equal, runtime);

@@ -1626,17 +1625,37 @@
         f.load_argument(0, pre_val);
         __ movptr(Address(tmp, 0), pre_val);
         __ jmp(done);
 
         __ bind(runtime);
-        // load the pre-value
         __ push(rcx);
+#ifdef _LP64
+        __ push(r8);
+        __ push(r9);
+        __ push(r10);
+        __ push(r11);
+#  ifndef _WIN64
+        __ push(rdi);
+        __ push(rsi);
+#  endif
+#endif
+        // load the pre-value
         f.load_argument(0, rcx);
         __ call_VM_leaf(CAST_FROM_FN_PTR(address, SharedRuntime::g1_wb_pre), rcx, thread);
+#ifdef _LP64
+#  ifndef _WIN64
+        __ pop(rsi);
+        __ pop(rdi);
+#  endif
+        __ pop(r11);
+        __ pop(r10);
+        __ pop(r9);
+        __ pop(r8);
+#endif
         __ pop(rcx);
-
         __ bind(done);
+
         __ pop(rdx);
         __ pop(rax);
       }
       break;
 

@@ -1662,26 +1681,26 @@
                                              PtrQueue::byte_offset_of_index()));
         Address buffer(thread, in_bytes(JavaThread::dirty_card_queue_offset() +
                                         PtrQueue::byte_offset_of_buf()));
 
         __ push(rax);
-        __ push(rdx);
+        __ push(rcx);
 
         NOT_LP64(__ get_thread(thread);)
         ExternalAddress cardtable((address)ct->byte_map_base);
         assert(sizeof(*ct->byte_map_base) == sizeof(jbyte), "adjust this code");
 
-        const Register card_addr = rdx;
+        const Register card_addr = rcx;
 #ifdef _LP64
         const Register tmp = rscratch1;
         f.load_argument(0, card_addr);
         __ shrq(card_addr, CardTableModRefBS::card_shift);
         __ lea(tmp, cardtable);
         // get the address of the card
         __ addq(card_addr, tmp);
 #else
-        const Register card_index = rdx;
+        const Register card_index = rcx;
         f.load_argument(0, card_index);
         __ shrl(card_index, CardTableModRefBS::card_shift);
 
         Address index(noreg, card_index, Address::times_1);
         __ leal(card_addr, __ as_Address(ArrayAddress(cardtable, index)));

@@ -1714,16 +1733,36 @@
 
         __ pop(rbx);
         __ jmp(done);
 
         __ bind(runtime);
-        NOT_LP64(__ push(rcx);)
+        __ push(rdx);
+#ifdef _LP64
+        __ push(r8);
+        __ push(r9);
+        __ push(r10);
+        __ push(r11);
+#  ifndef _WIN64
+        __ push(rdi);
+        __ push(rsi);
+#  endif
+#endif
         __ call_VM_leaf(CAST_FROM_FN_PTR(address, SharedRuntime::g1_wb_post), card_addr, thread);
-        NOT_LP64(__ pop(rcx);)
-
-        __ bind(done);
+#ifdef _LP64
+#  ifndef _WIN64
+        __ pop(rsi);
+        __ pop(rdi);
+#  endif
+        __ pop(r11);
+        __ pop(r10);
+        __ pop(r9);
+        __ pop(r8);
+#endif
         __ pop(rdx);
+        __ bind(done);
+
+        __ pop(rcx);
         __ pop(rax);
 
       }
       break;
 #endif // !SERIALGC