Introduce PushQuad and PopQuad for x64 port.

src/x64/macro-assembler-x64.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 963 matching lines @@
 
 void MacroAssembler::Set(const Operand& dst, intptr_t x) {
   if (kPointerSize == kInt64Size) {
     if (is_int32(x)) {
       movp(dst, Immediate(static_cast<int32_t>(x)));
     } else {
       Set(kScratchRegister, x);
       movp(dst, kScratchRegister);
     }
   } else {
-    ASSERT(kPointerSize == kInt32Size);
     movp(dst, Immediate(static_cast<int32_t>(x)));
   }
 }
 
 
 // ----------------------------------------------------------------------------
 // Smi tagging, untagging and tag detection.
 
 bool MacroAssembler::IsUnsafeInt(const int32_t x) {
   static const int kMaxBits = 17;
@@ skipping 1620 matching lines @@
   if (stack_elements > 0) {
     addp(rsp, Immediate(stack_elements * kPointerSize));
   }
 }
 
 
 void MacroAssembler::Push(Register src) {
   if (kPointerSize == kInt64Size) {
     pushq(src);
   } else {
-    ASSERT(kPointerSize == kInt32Size);
     // x32 uses 64-bit push for rbp in the prologue.
     ASSERT(src.code() != rbp.code());
     leal(rsp, Operand(rsp, -4));
     movp(Operand(rsp, 0), src);
   }
 }
 
 
 void MacroAssembler::Push(const Operand& src) {
   if (kPointerSize == kInt64Size) {
     pushq(src);
   } else {
-    ASSERT(kPointerSize == kInt32Size);
     movp(kScratchRegister, src);
     leal(rsp, Operand(rsp, -4));
     movp(Operand(rsp, 0), kScratchRegister);
   }
 }
 
 
+void MacroAssembler::PushQuad(const Operand& src) {
+  if (kPointerSize == kInt64Size) {
+    pushq(src);
+  } else {
+    movp(kScratchRegister, src);
+    pushq(kScratchRegister);
+  }
+}
+
+
 void MacroAssembler::Push(Immediate value) {
   if (kPointerSize == kInt64Size) {
     pushq(value);
   } else {
-    ASSERT(kPointerSize == kInt32Size);
     leal(rsp, Operand(rsp, -4));
     movp(Operand(rsp, 0), value);
   }
 }
 
 
 void MacroAssembler::PushImm32(int32_t imm32) {
   if (kPointerSize == kInt64Size) {
     pushq_imm32(imm32);
   } else {
-    ASSERT(kPointerSize == kInt32Size);
     leal(rsp, Operand(rsp, -4));
     movp(Operand(rsp, 0), Immediate(imm32));
   }
 }
 
 
 void MacroAssembler::Pop(Register dst) {
   if (kPointerSize == kInt64Size) {
     popq(dst);
   } else {
-    ASSERT(kPointerSize == kInt32Size);
     // x32 uses 64-bit pop for rbp in the epilogue.
     ASSERT(dst.code() != rbp.code());
     movp(dst, Operand(rsp, 0));
     leal(rsp, Operand(rsp, 4));
   }
 }
 
 
 void MacroAssembler::Pop(const Operand& dst) {
   if (kPointerSize == kInt64Size) {
     popq(dst);
   } else {
-    ASSERT(kPointerSize == kInt32Size);
     Register scratch = dst.AddressUsesRegister(kScratchRegister)
         ? kSmiConstantRegister : kScratchRegister;
     movp(scratch, Operand(rsp, 0));
     movp(dst, scratch);
     leal(rsp, Operand(rsp, 4));
     if (scratch.is(kSmiConstantRegister)) {
       // Restore kSmiConstantRegister.
       movp(kSmiConstantRegister,
            reinterpret_cast<void*>(Smi::FromInt(kSmiConstantRegisterValue)),
            Assembler::RelocInfoNone());
     }
   }
 }
 
 
+void MacroAssembler::PopQuad(const Operand& dst) {
+  if (kPointerSize == kInt64Size) {
+    popq(dst);
+  } else {
+    popq(kScratchRegister);
+    movp(dst, kScratchRegister);
+  }
+}
+
+
 void MacroAssembler::LoadSharedFunctionInfoSpecialField(Register dst,
                                                         Register base,
                                                         int offset) {
   ASSERT(offset > SharedFunctionInfo::kLengthOffset &&
          offset <= SharedFunctionInfo::kSize &&
          (((offset - SharedFunctionInfo::kLengthOffset) / kIntSize) % 2 == 1));
   if (kPointerSize == kInt64Size) {
     movsxlq(dst, FieldOperand(base, offset));
   } else {
     movp(dst, FieldOperand(base, offset));
@@ skipping 21 matching lines @@
 void MacroAssembler::Jump(ExternalReference ext) {
   LoadAddress(kScratchRegister, ext);
   jmp(kScratchRegister);
 }
 
 
 void MacroAssembler::Jump(const Operand& op) {
   if (kPointerSize == kInt64Size) {
     jmp(op);
   } else {
-    ASSERT(kPointerSize == kInt32Size);
     movp(kScratchRegister, op);
     jmp(kScratchRegister);
   }
 }
 
 
 void MacroAssembler::Jump(Address destination, RelocInfo::Mode rmode) {
   Move(kScratchRegister, destination, rmode);
   jmp(kScratchRegister);
 }
@@ skipping 21 matching lines @@
 #ifdef DEBUG
   CHECK_EQ(end_position, pc_offset());
 #endif
 }
 
 
 void MacroAssembler::Call(const Operand& op) {
   if (kPointerSize == kInt64Size) {
     call(op);
   } else {
-    ASSERT(kPointerSize == kInt32Size);
     movp(kScratchRegister, op);
     call(kScratchRegister);
   }
 }
 
 
 void MacroAssembler::Call(Address destination, RelocInfo::Mode rmode) {
 #ifdef DEBUG
   int end_position = pc_offset() + CallSize(destination);
 #endif
@@ skipping 2360 matching lines @@
   if (ms.shift() > 0) sarl(rdx, Immediate(ms.shift()));
   movl(rax, dividend);
   shrl(rax, Immediate(31));
   addl(rdx, rax);
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64