Upgrade to V8 3.3
Merge V8 at 3.3.10.39
Simple merge required updates to makefiles only.
Bug: 5688872
Change-Id: I14703f418235f5ce6013b9b3e2e502407a9f6dfd
diff --git a/test/cctest/test-assembler-arm.cc b/test/cctest/test-assembler-arm.cc
index 89153c7..1703203 100644
--- a/test/cctest/test-assembler-arm.cc
+++ b/test/cctest/test-assembler-arm.cc
@@ -945,4 +945,69 @@
}
}
+
+TEST(11) {
+ // Test instructions using the carry flag.
+ InitializeVM();
+ v8::HandleScope scope;
+
+ typedef struct {
+ int32_t a;
+ int32_t b;
+ int32_t c;
+ int32_t d;
+ } I;
+ I i;
+
+ i.a = 0xabcd0001;
+ i.b = 0xabcd0000;
+
+ Assembler assm(Isolate::Current(), NULL, 0);
+
+ // Test HeapObject untagging.
+ __ ldr(r1, MemOperand(r0, OFFSET_OF(I, a)));
+ __ mov(r1, Operand(r1, ASR, 1), SetCC);
+ __ adc(r1, r1, Operand(r1), LeaveCC, cs);
+ __ str(r1, MemOperand(r0, OFFSET_OF(I, a)));
+
+ __ ldr(r2, MemOperand(r0, OFFSET_OF(I, b)));
+ __ mov(r2, Operand(r2, ASR, 1), SetCC);
+ __ adc(r2, r2, Operand(r2), LeaveCC, cs);
+ __ str(r2, MemOperand(r0, OFFSET_OF(I, b)));
+
+ // Test corner cases.
+ __ mov(r1, Operand(0xffffffff));
+ __ mov(r2, Operand(0));
+ __ mov(r3, Operand(r1, ASR, 1), SetCC); // Set the carry.
+ __ adc(r3, r1, Operand(r2));
+ __ str(r3, MemOperand(r0, OFFSET_OF(I, c)));
+
+ __ mov(r1, Operand(0xffffffff));
+ __ mov(r2, Operand(0));
+ __ mov(r3, Operand(r2, ASR, 1), SetCC); // Unset the carry.
+ __ adc(r3, r1, Operand(r2));
+ __ str(r3, MemOperand(r0, OFFSET_OF(I, d)));
+
+ __ mov(pc, Operand(lr));
+
+ CodeDesc desc;
+ assm.GetCode(&desc);
+ Object* code = HEAP->CreateCode(
+ desc,
+ Code::ComputeFlags(Code::STUB),
+ Handle<Object>(HEAP->undefined_value()))->ToObjectChecked();
+ CHECK(code->IsCode());
+#ifdef DEBUG
+ Code::cast(code)->Print();
+#endif
+ F3 f = FUNCTION_CAST<F3>(Code::cast(code)->entry());
+ Object* dummy = CALL_GENERATED_CODE(f, &i, 0, 0, 0, 0);
+ USE(dummy);
+
+ CHECK_EQ(0xabcd0001, i.a);
+ CHECK_EQ(static_cast<int32_t>(0xabcd0000) >> 1, i.b);
+ CHECK_EQ(0x00000000, i.c);
+ CHECK_EQ(0xffffffff, i.d);
+}
+
#undef __