1 files changed, 131 insertions, 0 deletions
diff --git a/deps/v8/test/unittests/assembler/macro-assembler-ppc-unittest.cc b/deps/v8/test/unittests/assembler/macro-assembler-ppc-unittest.cc
new file mode 100644
index 0000000000..aabb988b29
--- /dev/null
+++ b/deps/v8/test/unittests/assembler/macro-assembler-ppc-unittest.cc
@@ -0,0 +1,131 @@
+// Copyright 2018 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/codegen/macro-assembler.h"
+#include "src/codegen/ppc/assembler-ppc-inl.h"
+#include "src/execution/simulator.h"
+#include "test/common/assembler-tester.h"
+#include "test/unittests/test-utils.h"
+#include "testing/gtest-support.h"
+
+namespace v8 {
+namespace internal {
+
+#define __ masm.
+
+// Test the ppc assembler by compiling some simple functions into
+// a buffer and executing them.  These tests do not initialize the
+// V8 library, create a context, or use any V8 objects.
+
+class MacroAssemblerTest : public TestWithIsolate {};
+
+TEST_F(MacroAssemblerTest, TestHardAbort) {
+  auto buffer = AllocateAssemblerBuffer();
+  MacroAssembler masm(isolate(), AssemblerOptions{}, CodeObjectRequired::kNo,
+                      buffer->CreateView());
+  __ set_root_array_available(false);
+  __ set_abort_hard(true);
+
+  __ Abort(AbortReason::kNoReason);
+
+  CodeDesc desc;
+  masm.GetCode(isolate(), &desc);
+  buffer->MakeExecutable();
+  // We need an isolate here to execute in the simulator.
+  auto f = GeneratedCode<void>::FromBuffer(isolate(), buffer->start());
+
+  ASSERT_DEATH_IF_SUPPORTED({ f.Call(); }, "abort: no reason");
+}
+
+TEST_F(MacroAssemblerTest, TestCheck) {
+  auto buffer = AllocateAssemblerBuffer();
+  MacroAssembler masm(isolate(), AssemblerOptions{}, CodeObjectRequired::kNo,
+                      buffer->CreateView());
+  __ set_root_array_available(false);
+  __ set_abort_hard(true);
+
+  // Fail if the first parameter is 17.
+  __ mov(r4, Operand(17));
+  __ cmp(r3, r4);  // 1st parameter is in {r3}.
+  __ Check(Condition::ne, AbortReason::kNoReason);
+  __ Ret();
+
+  CodeDesc desc;
+  masm.GetCode(isolate(), &desc);
+  buffer->MakeExecutable();
+  // We need an isolate here to execute in the simulator.
+  auto f = GeneratedCode<void, int>::FromBuffer(isolate(), buffer->start());
+
+  f.Call(0);
+  f.Call(18);
+  ASSERT_DEATH_IF_SUPPORTED({ f.Call(17); }, "abort: no reason");
+}
+
+TEST_F(MacroAssemblerTest, ReverseBitsU64) {
+  struct {
+    uint64_t expected;
+    uint64_t input;
+  } values[] = {
+      {0x0000000000000000, 0x0000000000000000},
+      {0xffffffffffffffff, 0xffffffffffffffff},
+      {0x8000000000000000, 0x0000000000000001},
+      {0x0000000000000001, 0x8000000000000000},
+      {0x800066aa22cc4488, 0x1122334455660001},
+      {0x1122334455660001, 0x800066aa22cc4488},
+      {0xffffffff00000000, 0x00000000ffffffff},
+      {0x00000000ffffffff, 0xffffffff00000000},
+      {0xff01020304050607, 0xe060a020c04080ff},
+      {0xe060a020c04080ff, 0xff01020304050607},
+  };
+  auto buffer = AllocateAssemblerBuffer();
+  MacroAssembler masm(isolate(), AssemblerOptions{}, CodeObjectRequired::kNo,
+                      buffer->CreateView());
+  __ set_root_array_available(false);
+  __ set_abort_hard(true);
+  __ Push(r4, r5);
+  __ ReverseBitsU64(r3, r3, r4, r5);
+  __ Pop(r4, r5);
+  __ Ret();
+  CodeDesc desc;
+  masm.GetCode(isolate(), &desc);
+  buffer->MakeExecutable();
+  auto f =
+      GeneratedCode<uint64_t, uint64_t>::FromBuffer(isolate(), buffer->start());
+  for (unsigned int i = 0; i < (sizeof(values) / sizeof(values[0])); i++) {
+    CHECK_EQ(values[i].expected, f.Call(values[i].input));
+  }
+}
+
+TEST_F(MacroAssemblerTest, ReverseBitsU32) {
+  struct {
+    uint64_t expected;
+    uint64_t input;
+  } values[] = {
+      {0x00000000, 0x00000000}, {0xffffffff, 0xffffffff},
+      {0x00000001, 0x80000000}, {0x80000000, 0x00000001},
+      {0x22334455, 0xaa22cc44}, {0xaa22cc44, 0x22334455},
+  };
+  auto buffer = AllocateAssemblerBuffer();
+  MacroAssembler masm(isolate(), AssemblerOptions{}, CodeObjectRequired::kNo,
+                      buffer->CreateView());
+  __ set_root_array_available(false);
+  __ set_abort_hard(true);
+  __ Push(r4, r5);
+  __ ReverseBitsU32(r3, r3, r4, r5);
+  __ Pop(r4, r5);
+  __ Ret();
+  CodeDesc desc;
+  masm.GetCode(isolate(), &desc);
+  buffer->MakeExecutable();
+  auto f =
+      GeneratedCode<uint64_t, uint64_t>::FromBuffer(isolate(), buffer->start());
+  for (unsigned int i = 0; i < (sizeof(values) / sizeof(values[0])); i++) {
+    CHECK_EQ(values[i].expected, f.Call(values[i].input));
+  }
+}
+
+#undef __
+
+}  // namespace internal
+}  // namespace v8