Eliminates more large immediates from x64 code.

runtime/vm/assembler_x64_test.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/globals.h"
 #if defined(TARGET_ARCH_X64)
 
 #include "vm/assembler.h"
 #include "vm/os.h"
 #include "vm/unit_test.h"
@@ skipping 1274 matching lines @@
 static int LeafReturnArgument(int x) {
   return x + 87;
 }
 
 
 ASSEMBLER_TEST_GENERATE(CallSimpleLeaf, assembler) {
   ExternalLabel call1("LeafReturn42", reinterpret_cast<uword>(LeafReturn42));
   ExternalLabel call2("LeafReturnArgument",
                       reinterpret_cast<uword>(LeafReturnArgument));
   int space = ComputeStackSpaceReservation(0, 8);
-  __ AddImmediate(RSP, Immediate(-space));
+  __ subq(RSP, Immediate(space));
   __ call(&call1);
-  __ AddImmediate(RSP, Immediate(space));
+  __ addq(RSP, Immediate(space));
   space = ComputeStackSpaceReservation(0, 8);
-  __ AddImmediate(RSP, Immediate(-space));
+  __ subq(RSP, Immediate(space));
   __ movl(RDI, RAX);
   __ call(&call2);
-  __ AddImmediate(RSP, Immediate(space));
+  __ addq(RSP, Immediate(space));
   __ ret();
 }
 
 
 ASSEMBLER_TEST_RUN(CallSimpleLeaf, test) {
   typedef int (*CallSimpleLeafCode)();
   EXPECT_EQ(42 + 87, reinterpret_cast<CallSimpleLeafCode>(test->entry())());
 }
 
 
 ASSEMBLER_TEST_GENERATE(JumpSimpleLeaf, assembler) {
   ExternalLabel call1("LeafReturn42", reinterpret_cast<uword>(LeafReturn42));
   Label L;
   int space = ComputeStackSpaceReservation(0, 8);
-  __ AddImmediate(RSP, Immediate(-space));
+  __ subq(RSP, Immediate(space));
   __ call(&L);
-  __ AddImmediate(RSP, Immediate(space));
+  __ addq(RSP, Immediate(space));
   __ ret();
   __ Bind(&L);
   __ jmp(&call1);
 }
 
 
 ASSEMBLER_TEST_RUN(JumpSimpleLeaf, test) {
   typedef int (*JumpSimpleLeafCode)();
   EXPECT_EQ(42, reinterpret_cast<JumpSimpleLeafCode>(test->entry())());
 }
@@ skipping 846 matching lines @@
   EXPECT_EQ(0, res);
 }
 
 
 ASSEMBLER_TEST_GENERATE(TestObjectCompare, assembler) {
   ObjectStore* object_store = Isolate::Current()->object_store();
   const Object& obj = Object::ZoneHandle(object_store->smi_class());
   Label fail;
   __ EnterDartFrame(0);
   __ LoadObject(RAX, obj, PP);
-  __ CompareObject(RAX, obj);
+  __ CompareObject(RAX, obj, PP);
   __ j(NOT_EQUAL, &fail);
   __ LoadObject(RCX, obj, PP);
-  __ CompareObject(RCX, obj);
+  __ CompareObject(RCX, obj, PP);
   __ j(NOT_EQUAL, &fail);
   const Smi& smi = Smi::ZoneHandle(Smi::New(15));
   __ LoadObject(RCX, smi, PP);
-  __ CompareObject(RCX, smi);
+  __ CompareObject(RCX, smi, PP);
   __ j(NOT_EQUAL, &fail);
   __ pushq(RAX);
-  __ StoreObject(Address(RSP, 0), obj);
+  __ StoreObject(Address(RSP, 0), obj, PP);
   __ popq(RCX);
-  __ CompareObject(RCX, obj);
+  __ CompareObject(RCX, obj, PP);
   __ j(NOT_EQUAL, &fail);
   __ pushq(RAX);
-  __ StoreObject(Address(RSP, 0), smi);
+  __ StoreObject(Address(RSP, 0), smi, PP);
   __ popq(RCX);
-  __ CompareObject(RCX, smi);
+  __ CompareObject(RCX, smi, PP);
   __ j(NOT_EQUAL, &fail);
   __ movl(RAX, Immediate(1));  // OK
   __ LeaveFrameWithPP();
   __ ret();
   __ Bind(&fail);
   __ movl(RAX, Immediate(0));  // Fail.
   __ LeaveFrameWithPP();
   __ ret();
 }
 
@@ skipping 422 matching lines @@
   EXPECT_EQ(1, res);  // Greater equal.
   res = reinterpret_cast<ConditionalMovesCompareCode>(test->entry())(5, 5);
   EXPECT_EQ(1, res);  // Greater equal.
   res = reinterpret_cast<ConditionalMovesCompareCode>(test->entry())(2, 5);
   EXPECT_EQ(-1, res);  // Less.
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_X64