MIPS[64]: Support for some SIMD operations

src/compiler/mips64/instruction-selector-mips64.cc

Index: src/compiler/mips64/instruction-selector-mips64.cc
diff --git a/src/compiler/mips64/instruction-selector-mips64.cc b/src/compiler/mips64/instruction-selector-mips64.cc
index e8f8c53273ea42a1e391d21053edf7bd2a53361d..bb808da1a5a005d883dc427151149e5e48ac7ba8 100644
--- a/src/compiler/mips64/instruction-selector-mips64.cc
+++ b/src/compiler/mips64/instruction-selector-mips64.cc
@@ -141,6 +141,22 @@ static void VisitRR(InstructionSelector* selector, ArchOpcode opcode,
                  g.UseRegister(node->InputAt(0)));
 }
 
+static void VisitRRI(InstructionSelector* selector, ArchOpcode opcode,
+                     Node* node) {
+  Mips64OperandGenerator g(selector);
+  int32_t imm = OpParameter<int32_t>(node);
+  selector->Emit(opcode, g.DefineAsRegister(node),
+                 g.UseRegister(node->InputAt(0)), g.UseImmediate(imm));
+}
+
+static void VisitRRIR(InstructionSelector* selector, ArchOpcode opcode,
+                      Node* node) {
+  Mips64OperandGenerator g(selector);
+  int32_t imm = OpParameter<int32_t>(node);
+  selector->Emit(opcode, g.DefineAsRegister(node),
+                 g.UseRegister(node->InputAt(0)), g.UseImmediate(imm),
+                 g.UseRegister(node->InputAt(1)));
+}
 
 static void VisitRRR(InstructionSelector* selector, ArchOpcode opcode,
                      Node* node) {
@@ -2642,6 +2658,46 @@ void InstructionSelector::VisitAtomicCompareExchange(Node* node) {
   UNIMPLEMENTED();
 }
 
+void InstructionSelector::VisitInt32x4Splat(Node* node) {
+  VisitRR(this, kMips64Int32x4Splat, node);
+}
+
+void InstructionSelector::VisitInt32x4ExtractLane(Node* node) {
+  VisitRRI(this, kMips64Int32x4ExtractLane, node);
+}
+
+void InstructionSelector::VisitInt32x4ReplaceLane(Node* node) {
+  VisitRRIR(this, kMips64Int32x4ReplaceLane, node);
+}
+
+void InstructionSelector::VisitInt32x4Add(Node* node) {
+  VisitRRR(this, kMips64Int32x4Add, node);
+}
+
+void InstructionSelector::VisitInt32x4Sub(Node* node) {
+  VisitRRR(this, kMips64Int32x4Sub, node);
+}
+
+void InstructionSelector::VisitSimd128Zero(Node* node) {
+  Mips64OperandGenerator g(this);
+  Emit(kMips64Simd128Zero, g.DefineSameAsFirst(node));
+}
+
+void InstructionSelector::VisitSimd1x4Zero(Node* node) {
+  Mips64OperandGenerator g(this);
+  Emit(kMips64Simd128Zero, g.DefineSameAsFirst(node));
+}
+
+void InstructionSelector::VisitSimd1x8Zero(Node* node) {
+  Mips64OperandGenerator g(this);
+  Emit(kMips64Simd128Zero, g.DefineSameAsFirst(node));
+}
+
+void InstructionSelector::VisitSimd1x16Zero(Node* node) {
+  Mips64OperandGenerator g(this);
+  Emit(kMips64Simd128Zero, g.DefineSameAsFirst(node));
+}
+
 // static
 MachineOperatorBuilder::Flags
 InstructionSelector::SupportedMachineOperatorFlags() {