X64 Crankshaft: Added a bunch of operations.

src/x64/macro-assembler-x64.cc

Index: src/x64/macro-assembler-x64.cc
diff --git a/src/x64/macro-assembler-x64.cc b/src/x64/macro-assembler-x64.cc
index a690bd525613dde095e6d0c90cf2579b3d2f5963..2fc825fc0bbf2402c4158590baaaa7665b1277cf 100644
--- a/src/x64/macro-assembler-x64.cc
+++ b/src/x64/macro-assembler-x64.cc
@@ -375,6 +375,16 @@ void MacroAssembler::CallRuntime(Runtime::FunctionId id, int num_arguments) {
 }
 
 
+void MacroAssembler::CallRuntimeSaveDoubles(Runtime::FunctionId id) {
+  Runtime::Function* function = Runtime::FunctionForId(id);
+  Set(rax, function->nargs);
+  movq(rbx, ExternalReference(function));
+  CEntryStub ces(1);
+  ces.SaveDoubles();
+  CallStub(&ces);
+}
+
+
 MaybeObject* MacroAssembler::TryCallRuntime(Runtime::FunctionId id,
                                             int num_arguments) {
   return TryCallRuntime(Runtime::FunctionForId(id), num_arguments);
@@ -967,6 +977,27 @@ Condition MacroAssembler::CheckUInteger32ValidSmiValue(Register src) {
 }
 
 
+void MacroAssembler::CheckSmiToIndicator(Register dst, Register src) {
+  if (dst.is(src)) {
+    andl(dst, Immediate(kSmiTagMask));
+  } else {
+    movl(dst, Immediate(kSmiTagMask));
+    andl(dst, src);
+  }
+}
+
+
+void MacroAssembler::CheckSmiToIndicator(Register dst, const Operand& src) {
+  if (!(src.AddressUsesRegister(dst))) {
+    movl(dst, Immediate(kSmiTagMask));
+    andl(dst, src);
+  } else {
+    movl(dst, src);
+    andl(dst, Immediate(kSmiTagMask));
+  }
+}
+
+
 void MacroAssembler::SmiAddConstant(Register dst, Register src, Smi* constant) {
   if (constant->value() == 0) {
     if (!dst.is(src)) {
@@ -1427,6 +1458,34 @@ void MacroAssembler::Popad() {
 }
 
 
+void MacroAssembler::Dropad() {
+  const int kRegistersPushedByPushad = 11;
+  addq(rsp, Immediate(kRegistersPushedByPushad * kPointerSize));
+}
+
+
+// Order general registers are pushed by Pushad:
+// rax, rcx, rdx, rbx, rsi, rdi, r8, r9, r11, r12, r14.
+int MacroAssembler::kSafepointPushRegisterIndices[Register::kNumRegisters] = {
+    0,
+    1,
+    2,
+    3,
+    -1,
+    -1,
+    4,
+    5,
+    6,
+    7,
+    -1,
+    8,
+    9,
+    -1,
+    10,
+    -1
+};
+
+
 void MacroAssembler::PushTryHandler(CodeLocation try_location,
                                     HandlerType type) {
   // Adjust this code if not the case.
@@ -1775,12 +1834,24 @@ void MacroAssembler::EnterExitFramePrologue(bool save_rax) {
 }
 
 
-void MacroAssembler::EnterExitFrameEpilogue(int arg_stack_space) {
+void MacroAssembler::EnterExitFrameEpilogue(int arg_stack_space,
+                                            bool save_doubles) {
 #ifdef _WIN64
-  const int kShaddowSpace = 4;
-  arg_stack_space += kShaddowSpace;
+  const int kShadowSpace = 4;
+  arg_stack_space += kShadowSpace;
 #endif
-  if (arg_stack_space > 0) {
+  // Optionally save all XMM registers.
+  if (save_doubles) {
+    CpuFeatures::Scope scope(SSE2);
+    int space = XMMRegister::kNumRegisters * kDoubleSize +
+        arg_stack_space * kPointerSize;
+    subq(rsp, Immediate(space));
+    int offset = -2 * kPointerSize;
+    for (int i = 0; i < XMMRegister::kNumAllocatableRegisters; i++) {
+      XMMRegister reg = XMMRegister::FromAllocationIndex(i);
+      movsd(Operand(rbp, offset - ((i + 1) * kDoubleSize)), reg);
+    }
+  } else if (arg_stack_space > 0) {
     subq(rsp, Immediate(arg_stack_space * kPointerSize));
   }
 
@@ -1797,7 +1868,7 @@ void MacroAssembler::EnterExitFrameEpilogue(int arg_stack_space) {
 }
 
 
-void MacroAssembler::EnterExitFrame(int arg_stack_space) {
+void MacroAssembler::EnterExitFrame(int arg_stack_space, bool save_doubles) {
   EnterExitFramePrologue(true);
 
   // Setup argv in callee-saved register r12. It is reused in LeaveExitFrame,
@@ -1805,25 +1876,31 @@ void MacroAssembler::EnterExitFrame(int arg_stack_space) {
   int offset = StandardFrameConstants::kCallerSPOffset - kPointerSize;
   lea(r12, Operand(rbp, r14, times_pointer_size, offset));
 
-  EnterExitFrameEpilogue(arg_stack_space);
+  EnterExitFrameEpilogue(arg_stack_space, save_doubles);
 }
 
 
 void MacroAssembler::EnterApiExitFrame(int arg_stack_space) {
   EnterExitFramePrologue(false);
-  EnterExitFrameEpilogue(arg_stack_space);
+  EnterExitFrameEpilogue(arg_stack_space, false);
 }
 
 
-void MacroAssembler::LeaveExitFrame() {
+void MacroAssembler::LeaveExitFrame(bool save_doubles) {
   // Registers:
   // r12 : argv
-
+  if (save_doubles) {
+    int offset = -2 * kPointerSize;
+    for (int i = 0; i < XMMRegister::kNumAllocatableRegisters; i++) {
+      XMMRegister reg = XMMRegister::FromAllocationIndex(i);
+      movsd(reg, Operand(rbp, offset - ((i + 1) * kDoubleSize)));
+    }
+  }
   // Get the return address from the stack and restore the frame pointer.
   movq(rcx, Operand(rbp, 1 * kPointerSize));
   movq(rbp, Operand(rbp, 0 * kPointerSize));
 
-  // Pop everything up to and including the arguments and the receiver
+  // Drop everything up to and including the arguments and the receiver
   // from the caller stack.
   lea(rsp, Operand(r12, 1 * kPointerSize));