Merge V8 5.3.332.45. DO NOT MERGE
Test: Manual
FPIIM-449
Change-Id: Id3254828b068abdea3cb10442e0172a8c9a98e03
(cherry picked from commit 13e2dadd00298019ed862f2b2fc5068bba730bcf)
diff --git a/test/cctest/test-macro-assembler-mips.cc b/test/cctest/test-macro-assembler-mips.cc
index 5408061..748198b 100644
--- a/test/cctest/test-macro-assembler-mips.cc
+++ b/test/cctest/test-macro-assembler-mips.cc
@@ -60,6 +60,71 @@
return true;
}
+TEST(BYTESWAP) {
+ CcTest::InitializeVM();
+ Isolate* isolate = CcTest::i_isolate();
+ HandleScope handles(isolate);
+
+ struct T {
+ int32_t r1;
+ int32_t r2;
+ int32_t r3;
+ int32_t r4;
+ int32_t r5;
+ };
+ T t;
+
+ MacroAssembler assembler(isolate, NULL, 0,
+ v8::internal::CodeObjectRequired::kYes);
+ MacroAssembler* masm = &assembler;
+
+ __ lw(a2, MemOperand(a0, offsetof(T, r1)));
+ __ nop();
+ __ ByteSwapSigned(a2, 4);
+ __ sw(a2, MemOperand(a0, offsetof(T, r1)));
+
+ __ lw(a2, MemOperand(a0, offsetof(T, r2)));
+ __ nop();
+ __ ByteSwapSigned(a2, 2);
+ __ sw(a2, MemOperand(a0, offsetof(T, r2)));
+
+ __ lw(a2, MemOperand(a0, offsetof(T, r3)));
+ __ nop();
+ __ ByteSwapSigned(a2, 1);
+ __ sw(a2, MemOperand(a0, offsetof(T, r3)));
+
+ __ lw(a2, MemOperand(a0, offsetof(T, r4)));
+ __ nop();
+ __ ByteSwapUnsigned(a2, 1);
+ __ sw(a2, MemOperand(a0, offsetof(T, r4)));
+
+ __ lw(a2, MemOperand(a0, offsetof(T, r5)));
+ __ nop();
+ __ ByteSwapUnsigned(a2, 2);
+ __ sw(a2, MemOperand(a0, offsetof(T, r5)));
+
+ __ jr(ra);
+ __ nop();
+
+ CodeDesc desc;
+ masm->GetCode(&desc);
+ Handle<Code> code = isolate->factory()->NewCode(
+ desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
+ ::F3 f = FUNCTION_CAST<::F3>(code->entry());
+ t.r1 = 0x781A15C3;
+ t.r2 = 0x2CDE;
+ t.r3 = 0x9F;
+ t.r4 = 0x9F;
+ t.r5 = 0x2CDE;
+ Object* dummy = CALL_GENERATED_CODE(isolate, f, &t, 0, 0, 0, 0);
+ USE(dummy);
+
+ CHECK_EQ(static_cast<int32_t>(0xC3151A78), t.r1);
+ CHECK_EQ(static_cast<int32_t>(0xDE2C0000), t.r2);
+ CHECK_EQ(static_cast<int32_t>(0x9FFFFFFF), t.r3);
+ CHECK_EQ(static_cast<int32_t>(0x9F000000), t.r4);
+ CHECK_EQ(static_cast<int32_t>(0xDE2C0000), t.r5);
+}
TEST(CopyBytes) {
CcTest::InitializeVM();