Index: src/compiler/simd-lowering.cc |
diff --git a/src/compiler/simd-lowering.cc b/src/compiler/simd-lowering.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..13fcd82d93303d4c3658a7dd560ac87b9f4c299b |
--- /dev/null |
+++ b/src/compiler/simd-lowering.cc |
@@ -0,0 +1,102 @@ |
+// Copyright 2016 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/compiler/simd-lowering.h" |
+ |
+#include "src/assembler.h" |
+#include "src/compiler/js-graph.h" |
+#include "src/compiler/linkage.h" |
+#include "src/compiler/machine-operator.h" |
+#include "src/compiler/operator-properties.h" |
+#include "src/compiler/simplified-operator.h" |
+ |
+namespace v8 { |
+namespace internal { |
+namespace compiler { |
+ |
+SimdLowering::~SimdLowering() {} |
+ |
+Reduction SimdLowering::Reduce(Node* node) { |
+ // For now lower everything to runtime calls. |
+ switch (node->opcode()) { |
+ case IrOpcode::kCreateInt32x4: { |
+ static const Conversion signature[] = { |
+ Conversion::kOpaque, Conversion::kInt32, Conversion::kInt32, |
+ Conversion::kInt32, Conversion::kInt32}; |
+ return Replace(builder_->ChangeToRuntimeCall( |
+ node, Runtime::kCreateInt32x4, signature)); |
+ } |
+ case IrOpcode::kCreateInt16x8: { |
+ static const Conversion signature[] = { |
+ Conversion::kOpaque, Conversion::kInt32, Conversion::kInt32, |
+ Conversion::kInt32, Conversion::kInt32, Conversion::kInt32, |
+ Conversion::kInt32, Conversion::kInt32, Conversion::kInt32, |
+ }; |
+ return Replace(builder_->ChangeToRuntimeCall( |
+ node, Runtime::kCreateInt16x8, signature)); |
+ } |
+ case IrOpcode::kCreateInt8x16: { |
+ static const Conversion signature[] = { |
+ Conversion::kOpaque, Conversion::kInt32, Conversion::kInt32, |
+ Conversion::kInt32, Conversion::kInt32, Conversion::kInt32, |
+ Conversion::kInt32, Conversion::kInt32, Conversion::kInt32, |
+ Conversion::kInt32, Conversion::kInt32, Conversion::kInt32, |
+ Conversion::kInt32, Conversion::kInt32, Conversion::kInt32, |
+ Conversion::kInt32, Conversion::kInt32, |
+ }; |
+ return Replace(builder_->ChangeToRuntimeCall( |
+ node, Runtime::kCreateInt8x16, signature)); |
+ } |
+ case IrOpcode::kCreateFloat32x4: { |
+ static const Conversion signature[] = { |
+ Conversion::kOpaque, Conversion::kFloat32, Conversion::kFloat32, |
+ Conversion::kFloat32, Conversion::kFloat32}; |
+ return Replace(builder_->ChangeToRuntimeCall( |
+ node, Runtime::kCreateFloat32x4, signature)); |
+ } |
+ case IrOpcode::kInt8x16ExtractLane: |
+ case IrOpcode::kInt16x8ExtractLane: |
+ case IrOpcode::kInt32x4ExtractLane: { |
+ static const Conversion signature[] = { |
+ Conversion::kInt32, Conversion::kOpaque, Conversion::kInt32}; |
+ return Replace(builder_->ChangeToRuntimeCall( |
+ node, Runtime::kInt32x4ExtractLane, signature)); |
+ } |
+ case IrOpcode::kFloat32x4ExtractLane: { |
+ static const Conversion signature[] = { |
+ Conversion::kFloat32, Conversion::kOpaque, Conversion::kInt32}; |
+ return Replace(builder_->ChangeToRuntimeCall( |
+ node, Runtime::kFloat32x4ExtractLane, signature)); |
+ } |
+ default: { break; } |
+ } |
+ |
+ // TODO(gdeepti): Implement and test. |
+ // Assume the others are all just simd in and out. |
+ Conversion signature[17] = { |
+ Conversion::kNone, Conversion::kNone, Conversion::kNone, |
+ Conversion::kNone, Conversion::kNone, Conversion::kNone, |
+ Conversion::kNone, Conversion::kNone, Conversion::kNone, |
+ Conversion::kNone, Conversion::kNone, Conversion::kNone, |
+ Conversion::kNone, Conversion::kNone, Conversion::kNone, |
+ Conversion::kNone, Conversion::kNone, |
+ }; |
+ switch (node->opcode()) { |
+#define F(Opcode) \ |
+ case IrOpcode::k##Opcode: { \ |
+ return Replace( \ |
+ builder_->ChangeToRuntimeCall(node, Runtime::k##Opcode, signature)); \ |
+ } |
+ MACHINE_SIMD_RETURN_SIMD_OP_LIST(F) |
+ MACHINE_SIMD_RETURN_BOOL_OP_LIST(F) |
+#undef F |
+ default: { return NoChange(); } |
+ } |
+ UNREACHABLE(); |
+ return NoChange(); |
+} |
+ |
+} // namespace compiler |
+} // namespace internal |
+} // namespace v8 |