Flow graph SIMD changes

runtime/vm/flow_graph_compiler_ia32.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/globals.h"  // Needed here to get TARGET_ARCH_IA32.
 #if defined(TARGET_ARCH_IA32)
 
 #include "vm/flow_graph_compiler.h"
 
 #include "lib/error.h"
@@ skipping 1575 matching lines @@
       ASSERT(destination.IsStackSlot());
       MoveMemoryToMemory(destination.ToStackSlotAddress(),
                          source.ToStackSlotAddress());
     }
   } else if (source.IsFpuRegister()) {
     if (destination.IsFpuRegister()) {
       // Optimization manual recommends using MOVAPS for register
       // to register moves.
       __ movaps(destination.fpu_reg(), source.fpu_reg());
     } else {
-      ASSERT(destination.IsDoubleStackSlot());
-      __ movsd(destination.ToStackSlotAddress(), source.fpu_reg());
+      if (destination.IsDoubleStackSlot()) {
+        __ movsd(destination.ToStackSlotAddress(), source.fpu_reg());
+      } else {
+        ASSERT(destination.IsFloat32x4StackSlot() ||
+               destination.IsUint32x4StackSlot());
+        __ movups(destination.ToStackSlotAddress(), source.fpu_reg());
+      }
     }
   } else if (source.IsDoubleStackSlot()) {
     if (destination.IsFpuRegister()) {
       __ movsd(destination.fpu_reg(), source.ToStackSlotAddress());
     } else {
       ASSERT(destination.IsDoubleStackSlot());
       __ movsd(XMM0, source.ToStackSlotAddress());
       __ movsd(destination.ToStackSlotAddress(), XMM0);
     }
+  } else if (source.IsFloat32x4StackSlot() || source.IsUint32x4StackSlot()) {
+    if (destination.IsFpuRegister()) {
+      __ movups(destination.fpu_reg(), source.ToStackSlotAddress());
+    } else {
+      ASSERT(destination.IsFloat32x4StackSlot() ||
+             destination.IsUint32x4StackSlot());
+      __ movups(XMM0, source.ToStackSlotAddress());
+      __ movups(destination.ToStackSlotAddress(), XMM0);
+    }
   } else {
     ASSERT(source.IsConstant());
     if (destination.IsRegister()) {
       const Object& constant = source.constant();
       if (constant.IsSmi() && (Smi::Cast(constant).Value() == 0)) {
         __ xorl(destination.reg(), destination.reg());
       } else {
         __ LoadObject(destination.reg(), constant);
       }
     } else {
@@ skipping 17 matching lines @@
     Exchange(source.reg(), destination.ToStackSlotAddress());
   } else if (source.IsStackSlot() && destination.IsRegister()) {
     Exchange(destination.reg(), source.ToStackSlotAddress());
   } else if (source.IsStackSlot() && destination.IsStackSlot()) {
     Exchange(destination.ToStackSlotAddress(), source.ToStackSlotAddress());
   } else if (source.IsFpuRegister() && destination.IsFpuRegister()) {
     __ movaps(XMM0, source.fpu_reg());
     __ movaps(source.fpu_reg(), destination.fpu_reg());
     __ movaps(destination.fpu_reg(), XMM0);
   } else if (source.IsFpuRegister() || destination.IsFpuRegister()) {
-    ASSERT(destination.IsDoubleStackSlot() || source.IsDoubleStackSlot());
+    ASSERT(destination.IsDoubleStackSlot() ||
+           destination.IsFloat32x4StackSlot() ||
+           destination.IsUint32x4StackSlot() ||
+           source.IsDoubleStackSlot() ||
+           source.IsFloat32x4StackSlot() ||
+           source.IsUint32x4StackSlot());
+    bool double_width = destination.IsDoubleStackSlot() ||
+                        source.IsDoubleStackSlot();
     XmmRegister reg = source.IsFpuRegister() ? source.fpu_reg()
                                              : destination.fpu_reg();
     const Address& slot_address = source.IsFpuRegister()
         ? destination.ToStackSlotAddress()
         : source.ToStackSlotAddress();
 
-    __ movsd(XMM0, slot_address);
-    __ movsd(slot_address, reg);
+    if (double_width) {
+      __ movsd(XMM0, slot_address);
+      __ movsd(slot_address, reg);
+    } else {
+      __ movups(XMM0, slot_address);
+      __ movups(slot_address, reg);
+    }
     __ movaps(reg, XMM0);
   } else {
     UNREACHABLE();
   }
 
   // The swap of source and destination has executed a move from source to
   // destination.
   move->Eliminate();
 
   // Any unperformed (including pending) move with a source of either
@@ skipping 55 matching lines @@
   __ popl(ECX);
   __ popl(EAX);
 }
 
 
 #undef __
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_IA32