Unbox/Box Float64x2 and inline typed array loads and stores

runtime/vm/deopt_instructions.cc

 // Copyright (c) 2013, 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/deopt_instructions.h"
 
 #include "vm/assembler.h"
 #include "vm/code_patcher.h"
 #include "vm/intermediate_language.h"
 #include "vm/locations.h"
@@ skipping 494 matching lines @@
         *source_addr, reinterpret_cast<RawFloat32x4**>(dest_addr));
   }
 
  private:
   const intptr_t stack_slot_index_;  // First argument is 0, always >= 0.
 
   DISALLOW_COPY_AND_ASSIGN(DeoptFloat32x4StackSlotInstr);
 };
 
 
+class DeoptFloat64x2StackSlotInstr : public DeoptInstr {
+ public:
+  explicit DeoptFloat64x2StackSlotInstr(intptr_t source_index)
+      : stack_slot_index_(source_index) {
+    ASSERT(stack_slot_index_ >= 0);
+  }
+
+  virtual intptr_t source_index() const { return stack_slot_index_; }
+  virtual DeoptInstr::Kind kind() const { return kFloat64x2StackSlot; }
+
+  virtual const char* ToCString() const {
+    return Isolate::Current()->current_zone()->PrintToString(
+        "f64x2s%" Pd "", stack_slot_index_);
+  }
+
+  void Execute(DeoptContext* deopt_context, intptr_t* dest_addr) {
+    intptr_t source_index =
+       deopt_context->source_frame_size() - stack_slot_index_ - 1;
+    simd128_value_t* source_addr = reinterpret_cast<simd128_value_t*>(
+        deopt_context->GetSourceFrameAddressAt(source_index));
+    *reinterpret_cast<RawSmi**>(dest_addr) = Smi::New(0);
+    deopt_context->DeferFloat64x2Materialization(
+        *source_addr, reinterpret_cast<RawFloat64x2**>(dest_addr));
+  }
+
+ private:
+  const intptr_t stack_slot_index_;  // First argument is 0, always >= 0.
+
+  DISALLOW_COPY_AND_ASSIGN(DeoptFloat64x2StackSlotInstr);
+};
+
+
 class DeoptInt32x4StackSlotInstr : public DeoptInstr {
  public:
   explicit DeoptInt32x4StackSlotInstr(intptr_t source_index)
       : stack_slot_index_(source_index) {
     ASSERT(stack_slot_index_ >= 0);
   }
 
   virtual intptr_t source_index() const { return stack_slot_index_; }
   virtual DeoptInstr::Kind kind() const { return kInt32x4StackSlot; }
 
@@ skipping 218 matching lines @@
         value, reinterpret_cast<RawFloat32x4**>(dest_addr));
   }
 
  private:
   const FpuRegister reg_;
 
   DISALLOW_COPY_AND_ASSIGN(DeoptFloat32x4FpuRegisterInstr);
 };
 
 
+class DeoptFloat64x2FpuRegisterInstr: public DeoptInstr {
+ public:
+  explicit DeoptFloat64x2FpuRegisterInstr(intptr_t reg_as_int)
+      : reg_(static_cast<FpuRegister>(reg_as_int)) {}
+
+  virtual intptr_t source_index() const { return static_cast<intptr_t>(reg_); }
+  virtual DeoptInstr::Kind kind() const { return kFloat64x2FpuRegister; }
+
+  virtual const char* ToCString() const {
+    return Isolate::Current()->current_zone()->PrintToString(
+        "%s(f64x2)", Assembler::FpuRegisterName(reg_));
+  }
+
+  void Execute(DeoptContext* deopt_context, intptr_t* dest_addr) {
+    simd128_value_t value = deopt_context->FpuRegisterValueAsSimd128(reg_);
+    *reinterpret_cast<RawSmi**>(dest_addr) = Smi::New(0);
+    deopt_context->DeferFloat64x2Materialization(
+        value, reinterpret_cast<RawFloat64x2**>(dest_addr));
+  }
+
+ private:
+  const FpuRegister reg_;
+
+  DISALLOW_COPY_AND_ASSIGN(DeoptFloat64x2FpuRegisterInstr);
+};
+
+
 // Deoptimization instruction moving an XMM register.
 class DeoptInt32x4FpuRegisterInstr: public DeoptInstr {
  public:
   explicit DeoptInt32x4FpuRegisterInstr(intptr_t reg_as_int)
       : reg_(static_cast<FpuRegister>(reg_as_int)) {}
 
   virtual intptr_t source_index() const { return static_cast<intptr_t>(reg_); }
   virtual DeoptInstr::Kind kind() const { return kInt32x4FpuRegister; }
 
   virtual const char* ToCString() const {
@@ skipping 307 matching lines @@
 
 
 DeoptInstr* DeoptInstr::Create(intptr_t kind_as_int, intptr_t source_index) {
   Kind kind = static_cast<Kind>(kind_as_int);
   switch (kind) {
     case kStackSlot: return new DeoptStackSlotInstr(source_index);
     case kDoubleStackSlot: return new DeoptDoubleStackSlotInstr(source_index);
     case kInt64StackSlot: return new DeoptInt64StackSlotInstr(source_index);
     case kFloat32x4StackSlot:
         return new DeoptFloat32x4StackSlotInstr(source_index);
+    case kFloat64x2StackSlot:
+        return new DeoptFloat64x2StackSlotInstr(source_index);
     case kInt32x4StackSlot:
         return new DeoptInt32x4StackSlotInstr(source_index);
     case kRetAddress: return new DeoptRetAddressInstr(source_index);
     case kConstant: return new DeoptConstantInstr(source_index);
     case kRegister: return new DeoptRegisterInstr(source_index);
     case kFpuRegister: return new DeoptFpuRegisterInstr(source_index);
     case kInt64FpuRegister: return new DeoptInt64FpuRegisterInstr(source_index);
     case kFloat32x4FpuRegister:
         return new DeoptFloat32x4FpuRegisterInstr(source_index);
+    case kFloat64x2FpuRegister:
+        return new DeoptFloat64x2FpuRegisterInstr(source_index);
     case kInt32x4FpuRegister:
         return new DeoptInt32x4FpuRegisterInstr(source_index);
     case kPcMarker: return new DeoptPcMarkerInstr(source_index);
     case kPp: return new DeoptPpInstr(source_index);
     case kCallerFp: return new DeoptCallerFpInstr();
     case kCallerPp: return new DeoptCallerPpInstr();
     case kCallerPc: return new DeoptCallerPcInstr();
     case kSuffix: return new DeoptSuffixInstr(source_index);
     case kMaterializedObjectRef:
         return new DeoptMaterializedObjectRefInstr(source_index);
@@ skipping 111 matching lines @@
   } else if (source_loc.IsRegister()) {
     ASSERT(value->definition()->representation() == kTagged);
     deopt_instr = new DeoptRegisterInstr(source_loc.reg());
   } else if (source_loc.IsFpuRegister()) {
     if (value->definition()->representation() == kUnboxedDouble) {
       deopt_instr = new DeoptFpuRegisterInstr(source_loc.fpu_reg());
     } else if (value->definition()->representation() == kUnboxedMint) {
       deopt_instr = new DeoptInt64FpuRegisterInstr(source_loc.fpu_reg());
     } else if (value->definition()->representation() == kUnboxedFloat32x4) {
       deopt_instr = new DeoptFloat32x4FpuRegisterInstr(source_loc.fpu_reg());
+    } else if (value->definition()->representation() == kUnboxedInt32x4) {
+      deopt_instr = new DeoptInt32x4FpuRegisterInstr(source_loc.fpu_reg());
     } else {
-      ASSERT(value->definition()->representation() == kUnboxedInt32x4);
-      deopt_instr = new DeoptInt32x4FpuRegisterInstr(source_loc.fpu_reg());
+      ASSERT(value->definition()->representation() == kUnboxedFloat64x2);
+      deopt_instr = new DeoptFloat64x2FpuRegisterInstr(source_loc.fpu_reg());
     }
   } else if (source_loc.IsStackSlot()) {
     ASSERT(value->definition()->representation() == kTagged);
     intptr_t source_index = CalculateStackIndex(source_loc);
     deopt_instr = new DeoptStackSlotInstr(source_index);
   } else if (source_loc.IsDoubleStackSlot()) {
     intptr_t source_index = CalculateStackIndex(source_loc);
     if (value->definition()->representation() == kUnboxedDouble) {
       deopt_instr = new DeoptDoubleStackSlotInstr(source_index);
     } else {
       ASSERT(value->definition()->representation() == kUnboxedMint);
       deopt_instr = new DeoptInt64StackSlotInstr(source_index);
     }
   } else if (source_loc.IsQuadStackSlot()) {
     intptr_t source_index = CalculateStackIndex(source_loc);
     if (value->definition()->representation() == kUnboxedFloat32x4) {
       deopt_instr = new DeoptFloat32x4StackSlotInstr(source_index);
+    } else if (value->definition()->representation() == kUnboxedInt32x4) {
+      deopt_instr = new DeoptInt32x4StackSlotInstr(source_index);
     } else {
-      ASSERT(value->definition()->representation() == kUnboxedInt32x4);
-      deopt_instr = new DeoptInt32x4StackSlotInstr(source_index);
+      ASSERT(value->definition()->representation() == kUnboxedFloat64x2);
+      deopt_instr = new DeoptFloat64x2StackSlotInstr(source_index);
     }
   } else if (source_loc.IsInvalid() &&
              value->definition()->IsMaterializeObject()) {
     const intptr_t index = FindMaterialization(
         value->definition()->AsMaterializeObject());
     ASSERT(index >= 0);
     deopt_instr = new DeoptMaterializedObjectRefInstr(index);
   } else {
     UNREACHABLE();
   }
@@ skipping 162 matching lines @@
                           Smi* offset,
                           DeoptInfo* info,
                           Smi* reason) {
   intptr_t i = index * kEntrySize;
   *offset ^= table.At(i);
   *info ^= table.At(i + 1);
   *reason ^= table.At(i + 2);
 }
 
 }  // namespace dart