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Unified Diff: test/cctest/test-assembler-x64.cc

Issue 26780004: Introduce xchgl, orl, roll, subl, testl and xorl into X64 assembler (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 7 years, 2 months ago
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Index: test/cctest/test-assembler-x64.cc
diff --git a/test/cctest/test-assembler-x64.cc b/test/cctest/test-assembler-x64.cc
index ce258ba5b6cfcc42ffac1b45c74c2b92f1d7617b..cd1ed2823bbd10544e6da257566ed4184cd64ce2 100644
--- a/test/cctest/test-assembler-x64.cc
+++ b/test/cctest/test-assembler-x64.cc
@@ -51,6 +51,8 @@ typedef int (*F0)();
typedef int (*F1)(int64_t x);
typedef int (*F2)(int64_t x, int64_t y);
typedef int (*F3)(double x);
+typedef int64_t (*F4)(int64_t* x, int64_t* y);
+typedef int64_t (*F5)(int64_t x);
#ifdef _WIN64
static const Register arg1 = rcx;
@@ -167,6 +169,157 @@ TEST(AssemblerX64ImulOperation) {
}
+TEST(AssemblerX64XchglOperations) {
+ // Allocate an executable page of memory.
+ size_t actual_size;
+ byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize,
+ &actual_size,
+ true));
+ CHECK(buffer);
+ Assembler assm(CcTest::i_isolate(), buffer, static_cast<int>(actual_size));
+
+ __ movq(rax, Operand(arg1, 0));
+ __ movq(rbx, Operand(arg2, 0));
+ __ xchgl(rax, rbx);
+ __ movq(Operand(arg1, 0), rax);
+ __ movq(Operand(arg2, 0), rbx);
+ __ ret(0);
+
+ CodeDesc desc;
+ assm.GetCode(&desc);
+ // Call the function from C++.
+ int64_t left = V8_2PART_UINT64_C(0x10000000, 20000000);
+ int64_t right = V8_2PART_UINT64_C(0x30000000, 40000000);
+ int64_t result = FUNCTION_CAST<F4>(buffer)(&left, &right);
+ CHECK_EQ(V8_2PART_UINT64_C(0x00000000, 40000000), left);
+ CHECK_EQ(V8_2PART_UINT64_C(0x00000000, 20000000), right);
+ USE(result);
+}
+
+
+TEST(AssemblerX64OrlOperations) {
+ // Allocate an executable page of memory.
+ size_t actual_size;
+ byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize,
+ &actual_size,
+ true));
+ CHECK(buffer);
+ Assembler assm(CcTest::i_isolate(), buffer, static_cast<int>(actual_size));
+
+ __ movq(rax, Operand(arg2, 0));
+ __ orl(Operand(arg1, 0), rax);
+ __ ret(0);
+
+ CodeDesc desc;
+ assm.GetCode(&desc);
+ // Call the function from C++.
+ int64_t left = V8_2PART_UINT64_C(0x10000000, 20000000);
+ int64_t right = V8_2PART_UINT64_C(0x30000000, 40000000);
+ int64_t result = FUNCTION_CAST<F4>(buffer)(&left, &right);
+ CHECK_EQ(V8_2PART_UINT64_C(0x10000000, 60000000), left);
+ USE(result);
+}
+
+
+TEST(AssemblerX64RollOperations) {
+ // Allocate an executable page of memory.
+ size_t actual_size;
+ byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize,
+ &actual_size,
+ true));
+ CHECK(buffer);
+ Assembler assm(CcTest::i_isolate(), buffer, static_cast<int>(actual_size));
+
+ __ movq(rax, arg1);
+ __ roll(rax, Immediate(1));
+ __ ret(0);
+
+ CodeDesc desc;
+ assm.GetCode(&desc);
+ // Call the function from C++.
+ int64_t src = V8_2PART_UINT64_C(0x10000000, C0000000);
+ int64_t result = FUNCTION_CAST<F5>(buffer)(src);
+ CHECK_EQ(V8_2PART_UINT64_C(0x00000000, 80000001), result);
+}
+
+
+TEST(AssemblerX64SublOperations) {
+ // Allocate an executable page of memory.
+ size_t actual_size;
+ byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize,
+ &actual_size,
+ true));
+ CHECK(buffer);
+ Assembler assm(CcTest::i_isolate(), buffer, static_cast<int>(actual_size));
+
+ __ movq(rax, Operand(arg2, 0));
+ __ subl(Operand(arg1, 0), rax);
+ __ ret(0);
+
+ CodeDesc desc;
+ assm.GetCode(&desc);
+ // Call the function from C++.
+ int64_t left = V8_2PART_UINT64_C(0x10000000, 20000000);
+ int64_t right = V8_2PART_UINT64_C(0x30000000, 40000000);
+ int64_t result = FUNCTION_CAST<F4>(buffer)(&left, &right);
+ CHECK_EQ(V8_2PART_UINT64_C(0x10000000, e0000000), left);
+ USE(result);
+}
+
+
+TEST(AssemblerX64TestlOperations) {
+ // Allocate an executable page of memory.
+ size_t actual_size;
+ byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize,
+ &actual_size,
+ true));
+ CHECK(buffer);
+ Assembler assm(CcTest::i_isolate(), buffer, static_cast<int>(actual_size));
+
+ // Set rax with the ZF flag of the testl instruction.
+ Label done;
+ __ movq(rax, Immediate(1));
+ __ movq(rbx, Operand(arg2, 0));
+ __ testl(Operand(arg1, 0), rbx);
+ __ j(zero, &done, Label::kNear);
+ __ movq(rax, Immediate(0));
+ __ bind(&done);
+ __ ret(0);
+
+ CodeDesc desc;
+ assm.GetCode(&desc);
+ // Call the function from C++.
+ int64_t left = V8_2PART_UINT64_C(0x10000000, 20000000);
+ int64_t right = V8_2PART_UINT64_C(0x30000000, 00000000);
+ int64_t result = FUNCTION_CAST<F4>(buffer)(&left, &right);
+ CHECK_EQ(static_cast<int64_t>(1), result);
+}
+
+
+TEST(AssemblerX64XorlOperations) {
+ // Allocate an executable page of memory.
+ size_t actual_size;
+ byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize,
+ &actual_size,
+ true));
+ CHECK(buffer);
+ Assembler assm(CcTest::i_isolate(), buffer, static_cast<int>(actual_size));
+
+ __ movq(rax, Operand(arg2, 0));
+ __ xorl(Operand(arg1, 0), rax);
+ __ ret(0);
+
+ CodeDesc desc;
+ assm.GetCode(&desc);
+ // Call the function from C++.
+ int64_t left = V8_2PART_UINT64_C(0x10000000, 20000000);
+ int64_t right = V8_2PART_UINT64_C(0x30000000, 60000000);
+ int64_t result = FUNCTION_CAST<F4>(buffer)(&left, &right);
+ CHECK_EQ(V8_2PART_UINT64_C(0x10000000, 40000000), left);
+ USE(result);
+}
+
+
TEST(AssemblerX64MemoryOperands) {
// Allocate an executable page of memory.
size_t actual_size;
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