Upstream version 11.40.271.0

[platform/framework/web/crosswalk.git] / src / v8 / src / x64 / lithium-gap-resolver-x64.cc

diff --git a/src/v8/src/x64/lithium-gap-resolver-x64.cc b/src/v8/src/x64/lithium-gap-resolver-x64.cc
index d10e1a1..f9cc373 100644 (file)
--- a/src/v8/src/x64/lithium-gap-resolver-x64.cc
+++ b/src/v8/src/x64/lithium-gap-resolver-x64.cc
@@ -227,6 +227,23 @@ void LGapResolver::EmitMove(int index) {
       __ movsd(xmm0, src);
       __ movsd(cgen_->ToOperand(destination), xmm0);
     }
+  } else if (source->IsSIMD128Register()) {
+    XMMRegister src = cgen_->ToSIMD128Register(source);
+    if (destination->IsSIMD128Register()) {
+      __ movaps(cgen_->ToSIMD128Register(destination), src);
+    } else {
+      DCHECK(destination->IsSIMD128StackSlot());
+      __ movups(cgen_->ToOperand(destination), src);
+    }
+  } else if (source->IsSIMD128StackSlot()) {
+    Operand src = cgen_->ToOperand(source);
+    if (destination->IsSIMD128Register()) {
+      __ movups(cgen_->ToSIMD128Register(destination), src);
+    } else {
+      DCHECK(destination->IsSIMD128StackSlot());
+      __ movups(xmm0, src);
+      __ movups(cgen_->ToOperand(destination), xmm0);
+    }
   } else {
     UNREACHABLE();
   }
@@ -268,6 +285,19 @@ void LGapResolver::EmitSwap(int index) {
     __ movsd(dst, xmm0);
     __ movp(src, kScratchRegister);
 
+  } else if ((source->IsSIMD128StackSlot() &&
+              destination->IsSIMD128StackSlot())) {
+    // Swap two XMM stack slots.
+    STATIC_ASSERT(kSIMD128Size == 2 * kDoubleSize);
+    Operand src = cgen_->ToOperand(source);
+    Operand dst = cgen_->ToOperand(destination);
+    __ movups(xmm0, src);
+    __ movq(kScratchRegister, dst);
+    __ movq(src, kScratchRegister);
+    __ movq(kScratchRegister, Operand(dst, kDoubleSize));
+    __ movq(Operand(src, kDoubleSize), kScratchRegister);
+    __ movups(dst, xmm0);
+
   } else if (source->IsDoubleRegister() && destination->IsDoubleRegister()) {
     // Swap two double registers.
     XMMRegister source_reg = cgen_->ToDoubleRegister(source);
@@ -276,6 +306,14 @@ void LGapResolver::EmitSwap(int index) {
     __ movaps(source_reg, destination_reg);
     __ movaps(destination_reg, xmm0);
 
+  } else if (source->IsSIMD128Register() && destination->IsSIMD128Register()) {
+    // Swap two XMM registers.
+    XMMRegister source_reg = cgen_->ToSIMD128Register(source);
+    XMMRegister destination_reg = cgen_->ToSIMD128Register(destination);
+    __ movaps(xmm0, source_reg);
+    __ movaps(source_reg, destination_reg);
+    __ movaps(destination_reg, xmm0);
+
   } else if (source->IsDoubleRegister() || destination->IsDoubleRegister()) {
     // Swap a double register and a double stack slot.
     DCHECK((source->IsDoubleRegister() && destination->IsDoubleStackSlot()) ||
@@ -290,6 +328,21 @@ void LGapResolver::EmitSwap(int index) {
     __ movsd(other_operand, reg);
     __ movaps(reg, xmm0);
 
+  } else if (source->IsSIMD128Register() || destination->IsSIMD128Register()) {
+    // Swap a xmm register and a xmm stack slot.
+    DCHECK((source->IsSIMD128Register() &&
+            destination->IsSIMD128StackSlot()) ||
+           (source->IsSIMD128StackSlot() &&
+            destination->IsSIMD128Register()));
+    XMMRegister reg = cgen_->ToSIMD128Register(source->IsSIMD128Register()
+                                                   ? source
+                                                   : destination);
+    LOperand* other = source->IsSIMD128Register() ? destination : source;
+    DCHECK(other->IsSIMD128StackSlot());
+    Operand other_operand = cgen_->ToOperand(other);
+    __ movups(xmm0, other_operand);
+    __ movups(other_operand, reg);
+    __ movaps(reg, xmm0);
   } else {
     // No other combinations are possible.
     UNREACHABLE();