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

Issue 709123005: [arm] Recognize SXTB, SXTH, UXTB and UXTH. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 6 years, 1 month ago
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Index: test/cctest/test-assembler-arm.cc
diff --git a/test/cctest/test-assembler-arm.cc b/test/cctest/test-assembler-arm.cc
index b6e260ef6ae551dd2bc64ad3ad57644571017167..2bcf022482fff2aac2decf4fb6ffa3599228bfc2 100644
--- a/test/cctest/test-assembler-arm.cc
+++ b/test/cctest/test-assembler-arm.cc
@@ -1375,14 +1375,14 @@ TEST(16) {
__ pkhtb(r2, r0, Operand(r1, ASR, 8));
__ str(r2, MemOperand(r4, OFFSET_OF(T, dst1)));
- __ uxtb16(r2, Operand(r0, ROR, 8));
+ __ uxtb16(r2, r0, 8);
__ str(r2, MemOperand(r4, OFFSET_OF(T, dst2)));
- __ uxtb(r2, Operand(r0, ROR, 8));
+ __ uxtb(r2, r0, 8);
__ str(r2, MemOperand(r4, OFFSET_OF(T, dst3)));
__ ldr(r0, MemOperand(r4, OFFSET_OF(T, src2)));
- __ uxtab(r2, r0, Operand(r1, ROR, 8));
+ __ uxtab(r2, r0, r1, 8);
__ str(r2, MemOperand(r4, OFFSET_OF(T, dst4)));
__ ldm(ia_w, sp, r4.bit() | pc.bit());
@@ -1606,6 +1606,214 @@ TEST(smmul) {
}
+TEST(sxtb) {
+ CcTest::InitializeVM();
+ Isolate* const isolate = CcTest::i_isolate();
+ HandleScope scope(isolate);
+ RandomNumberGenerator* const rng = isolate->random_number_generator();
+ Assembler assm(isolate, nullptr, 0);
+ __ sxtb(r1, r1);
+ __ str(r1, MemOperand(r0));
+ __ bx(lr);
+ 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
+ F3 f = FUNCTION_CAST<F3>(code->entry());
+ for (size_t i = 0; i < 128; ++i) {
+ int32_t r, x = rng->NextInt();
+ Object* dummy = CALL_GENERATED_CODE(f, &r, x, 0, 0, 0);
+ CHECK_EQ(static_cast<int32_t>(static_cast<int8_t>(x)), r);
+ USE(dummy);
+ }
+}
+
+
+TEST(sxtab) {
+ CcTest::InitializeVM();
+ Isolate* const isolate = CcTest::i_isolate();
+ HandleScope scope(isolate);
+ RandomNumberGenerator* const rng = isolate->random_number_generator();
+ Assembler assm(isolate, nullptr, 0);
+ __ sxtab(r1, r2, r1);
+ __ str(r1, MemOperand(r0));
+ __ bx(lr);
+ 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
+ F3 f = FUNCTION_CAST<F3>(code->entry());
+ for (size_t i = 0; i < 128; ++i) {
+ int32_t r, x = rng->NextInt(), y = rng->NextInt();
+ Object* dummy = CALL_GENERATED_CODE(f, &r, x, y, 0, 0);
+ CHECK_EQ(static_cast<int32_t>(static_cast<int8_t>(x)) + y, r);
+ USE(dummy);
+ }
+}
+
+
+TEST(sxth) {
+ CcTest::InitializeVM();
+ Isolate* const isolate = CcTest::i_isolate();
+ HandleScope scope(isolate);
+ RandomNumberGenerator* const rng = isolate->random_number_generator();
+ Assembler assm(isolate, nullptr, 0);
+ __ sxth(r1, r1);
+ __ str(r1, MemOperand(r0));
+ __ bx(lr);
+ 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
+ F3 f = FUNCTION_CAST<F3>(code->entry());
+ for (size_t i = 0; i < 128; ++i) {
+ int32_t r, x = rng->NextInt();
+ Object* dummy = CALL_GENERATED_CODE(f, &r, x, 0, 0, 0);
+ CHECK_EQ(static_cast<int32_t>(static_cast<int16_t>(x)), r);
+ USE(dummy);
+ }
+}
+
+
+TEST(sxtah) {
+ CcTest::InitializeVM();
+ Isolate* const isolate = CcTest::i_isolate();
+ HandleScope scope(isolate);
+ RandomNumberGenerator* const rng = isolate->random_number_generator();
+ Assembler assm(isolate, nullptr, 0);
+ __ sxtah(r1, r2, r1);
+ __ str(r1, MemOperand(r0));
+ __ bx(lr);
+ 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
+ F3 f = FUNCTION_CAST<F3>(code->entry());
+ for (size_t i = 0; i < 128; ++i) {
+ int32_t r, x = rng->NextInt(), y = rng->NextInt();
+ Object* dummy = CALL_GENERATED_CODE(f, &r, x, y, 0, 0);
+ CHECK_EQ(static_cast<int32_t>(static_cast<int16_t>(x)) + y, r);
+ USE(dummy);
+ }
+}
+
+
+TEST(uxtb) {
+ CcTest::InitializeVM();
+ Isolate* const isolate = CcTest::i_isolate();
+ HandleScope scope(isolate);
+ RandomNumberGenerator* const rng = isolate->random_number_generator();
+ Assembler assm(isolate, nullptr, 0);
+ __ uxtb(r1, r1);
+ __ str(r1, MemOperand(r0));
+ __ bx(lr);
+ 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
+ F3 f = FUNCTION_CAST<F3>(code->entry());
+ for (size_t i = 0; i < 128; ++i) {
+ int32_t r, x = rng->NextInt();
+ Object* dummy = CALL_GENERATED_CODE(f, &r, x, 0, 0, 0);
+ CHECK_EQ(static_cast<int32_t>(static_cast<uint8_t>(x)), r);
+ USE(dummy);
+ }
+}
+
+
+TEST(uxtab) {
+ CcTest::InitializeVM();
+ Isolate* const isolate = CcTest::i_isolate();
+ HandleScope scope(isolate);
+ RandomNumberGenerator* const rng = isolate->random_number_generator();
+ Assembler assm(isolate, nullptr, 0);
+ __ uxtab(r1, r2, r1);
+ __ str(r1, MemOperand(r0));
+ __ bx(lr);
+ 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
+ F3 f = FUNCTION_CAST<F3>(code->entry());
+ for (size_t i = 0; i < 128; ++i) {
+ int32_t r, x = rng->NextInt(), y = rng->NextInt();
+ Object* dummy = CALL_GENERATED_CODE(f, &r, x, y, 0, 0);
+ CHECK_EQ(static_cast<int32_t>(static_cast<uint8_t>(x)) + y, r);
+ USE(dummy);
+ }
+}
+
+
+TEST(uxth) {
+ CcTest::InitializeVM();
+ Isolate* const isolate = CcTest::i_isolate();
+ HandleScope scope(isolate);
+ RandomNumberGenerator* const rng = isolate->random_number_generator();
+ Assembler assm(isolate, nullptr, 0);
+ __ uxth(r1, r1);
+ __ str(r1, MemOperand(r0));
+ __ bx(lr);
+ 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
+ F3 f = FUNCTION_CAST<F3>(code->entry());
+ for (size_t i = 0; i < 128; ++i) {
+ int32_t r, x = rng->NextInt();
+ Object* dummy = CALL_GENERATED_CODE(f, &r, x, 0, 0, 0);
+ CHECK_EQ(static_cast<int32_t>(static_cast<uint16_t>(x)), r);
+ USE(dummy);
+ }
+}
+
+
+TEST(uxtah) {
+ CcTest::InitializeVM();
+ Isolate* const isolate = CcTest::i_isolate();
+ HandleScope scope(isolate);
+ RandomNumberGenerator* const rng = isolate->random_number_generator();
+ Assembler assm(isolate, nullptr, 0);
+ __ uxtah(r1, r2, r1);
+ __ str(r1, MemOperand(r0));
+ __ bx(lr);
+ 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
+ F3 f = FUNCTION_CAST<F3>(code->entry());
+ for (size_t i = 0; i < 128; ++i) {
+ int32_t r, x = rng->NextInt(), y = rng->NextInt();
+ Object* dummy = CALL_GENERATED_CODE(f, &r, x, y, 0, 0);
+ CHECK_EQ(static_cast<int32_t>(static_cast<uint16_t>(x)) + y, r);
+ USE(dummy);
+ }
+}
+
+
TEST(code_relative_offset) {
// Test extracting the offset of a label from the beginning of the code
// in a register.
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