MIPS[64]: Implement fill.df, copy_u.df, copy_s.df instructions in simulator

test/cctest/test-assembler-mips64.cc

Index: test/cctest/test-assembler-mips64.cc
diff --git a/test/cctest/test-assembler-mips64.cc b/test/cctest/test-assembler-mips64.cc
index 0e46f2ca9b424710c6b2d2ed495c160bb9b15afb..ab88b069a25cc2c5f7e958e0207429ab5941ff8a 100644
--- a/test/cctest/test-assembler-mips64.cc
+++ b/test/cctest/test-assembler-mips64.cc
@@ -6057,4 +6057,74 @@ TEST(maddf_msubf_d) {
   });
 }
 
+TEST(MSA_fill_copy) {
+  CcTest::InitializeVM();
+  Isolate* isolate = CcTest::i_isolate();
+  HandleScope scope(isolate);
+
+  typedef struct {
+    uint64_t u8;
+    uint64_t u16;
+    uint64_t u32;
+    uint64_t s8;
+    uint64_t s16;
+    uint64_t s32;
+    uint64_t s64;
+  } T;
+  T t;
+
+  MacroAssembler assm(isolate, NULL, 0, v8::internal::CodeObjectRequired::kYes);
+  if ((kArchVariant != kMips64r6) || !CpuFeatures::IsSupported(MIPS_SIMD))
+    return;
+
+  {
+    CpuFeatureScope fscope(&assm, MIPS_SIMD);
+
+    __ li(t0, 0x9e7689aca512b683);
+
+    __ fill_b(w0, t0);
+    __ fill_h(w2, t0);
+    __ fill_w(w4, t0);
+    __ fill_d(w6, t0);
+    __ copy_u_b(t1, w0, 11);
+    __ sd(t1, MemOperand(a0, offsetof(T, u8)));
+    __ copy_u_h(t1, w2, 6);
+    __ sd(t1, MemOperand(a0, offsetof(T, u16)));
+    __ copy_u_w(t1, w4, 3);
+    __ sd(t1, MemOperand(a0, offsetof(T, u32)));
+
+    __ copy_s_b(t1, w0, 8);
+    __ sd(t1, MemOperand(a0, offsetof(T, s8)));
+    __ copy_s_h(t1, w2, 5);
+    __ sd(t1, MemOperand(a0, offsetof(T, s16)));
+    __ copy_s_w(t1, w4, 1);
+    __ sd(t1, MemOperand(a0, offsetof(T, s32)));
+    __ copy_s_d(t1, w6, 0);
+    __ sd(t1, MemOperand(a0, offsetof(T, s64)));
+
+    __ jr(ra);
+    __ nop();
+  }
+
+  CodeDesc desc;
+  assm.GetCode(&desc);
+  Handle<Code> code = isolate->factory()->NewCode(
+      desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
+#ifdef OBJECT_PRINT
+  code->Print(std::cout);
+#endif
+  F1 f = FUNCTION_CAST<F1>(code->entry());
+
+  Object* dummy = CALL_GENERATED_CODE(isolate, f, &t, 0, 0, 0, 0);
+  USE(dummy);
+
+  CHECK_EQ(0x83u, t.u8);
+  CHECK_EQ(0xb683u, t.u16);
+  CHECK_EQ(0xa512b683u, t.u32);
+  CHECK_EQ(0xffffffffffffff83u, t.s8);
+  CHECK_EQ(0xffffffffffffb683u, t.s16);
+  CHECK_EQ(0xffffffffa512b683u, t.s32);
+  CHECK_EQ(0x9e7689aca512b683u, t.s64);
+}
+
 #undef __