PPC: [wasm] Int64Lowering of I64Shl.

src/compiler/ppc/instruction-selector-ppc.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/base/adapters.h"
 #include "src/compiler/instruction-selector-impl.h"
 #include "src/compiler/node-matchers.h"
 #include "src/compiler/node-properties.h"
 #include "src/ppc/frames-ppc.h"
 
@@ skipping 769 matching lines @@
       return;
     } else if (mleft.right().Is(24) && m.right().Is(24)) {
       Emit(kPPC_ExtendSignWord8, g.DefineAsRegister(node),
            g.UseRegister(mleft.left().node()));
       return;
     }
   }
   VisitRRO(this, kPPC_ShiftRightAlg32, node, kShift32Imm);
 }
 
+#if !V8_TARGET_ARCH_PPC64
+void InstructionSelector::VisitWord32PairShl(Node* node) {
+  PPCOperandGenerator g(this);
+  Int32Matcher m(node->InputAt(2));
+  InstructionOperand shift_operand;
+  if (m.HasValue()) {
+    shift_operand = g.UseImmediate(m.node());
+  } else {
+    shift_operand = g.UseUniqueRegister(m.node());
+  }
+
+  InstructionOperand inputs[] = {g.UseRegister(node->InputAt(0)),
+                                 g.UseRegister(node->InputAt(1)),
+                                 shift_operand};
+
+  InstructionOperand outputs[] = {
+      g.DefineSameAsFirst(node),
+      g.DefineAsRegister(NodeProperties::FindProjection(node, 1))};
+
+  Emit(kPPC_PairShiftLeft, 2, outputs, 3, inputs);
+}
+#endif
 
 #if V8_TARGET_ARCH_PPC64
 void InstructionSelector::VisitWord64Sar(Node* node) {
   VisitRRO(this, kPPC_ShiftRightAlg64, node, kShift64Imm);
 }
 #endif
 
 
 // TODO(mbrandy): Absorb logical-and into rlwinm?
 void InstructionSelector::VisitWord32Ror(Node* node) {
@@ skipping 1033 matching lines @@
          MachineOperatorBuilder::kFloat64RoundTruncate |
          MachineOperatorBuilder::kFloat64RoundTiesAway |
          MachineOperatorBuilder::kWord32Popcnt |
          MachineOperatorBuilder::kWord64Popcnt;
   // We omit kWord32ShiftIsSafe as s[rl]w use 0x3f as a mask rather than 0x1f.
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8