| //===- subzero/unittest/AssemblerX8632/Locked.cpp -------------------------===// |
| // |
| // The Subzero Code Generator |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| #include "AssemblerX8632/TestUtil.h" |
| |
| namespace Ice { |
| namespace X8632 { |
| namespace Test { |
| namespace { |
| |
| TEST_F(AssemblerX8632LowLevelTest, Mfence) { |
| __ mfence(); |
| |
| static constexpr uint8_t ByteCount = 3; |
| ASSERT_EQ(ByteCount, codeBytesSize()); |
| verifyBytes<ByteCount>(codeBytes(), 0x0F, 0xAE, 0xF0); |
| } |
| |
| TEST_F(AssemblerX8632LowLevelTest, Lock) { |
| __ lock(); |
| |
| static constexpr uint8_t ByteCount = 1; |
| ASSERT_EQ(ByteCount, codeBytesSize()); |
| verifyBytes<ByteCount>(codeBytes(), 0xF0); |
| } |
| |
| TEST_F(AssemblerX8632Test, Xchg) { |
| static constexpr uint32_t Mask8 = 0x000000FF; |
| static constexpr uint32_t Mask16 = 0x0000FFFF; |
| static constexpr uint32_t Mask32 = 0xFFFFFFFF; |
| |
| #define TestImplAddrReg(Value0, Dst1, Value1, Size) \ |
| do { \ |
| static constexpr char TestString[] = \ |
| "(" #Value0 ", " #Dst1 ", " #Value1 ", " #Size ")"; \ |
| const uint32_t T0 = allocateDword(); \ |
| const uint32_t V0 = (Value0)&Mask##Size; \ |
| const uint32_t V1 = (Value1)&Mask##Size; \ |
| \ |
| __ mov(IceType_i##Size, GPRRegister::Encoded_Reg_##Dst1, \ |
| Immediate(Value1)); \ |
| __ xchg(IceType_i##Size, dwordAddress(T0), \ |
| GPRRegister::Encoded_Reg_##Dst1); \ |
| __ And(IceType_i32, GPRRegister::Encoded_Reg_##Dst1, \ |
| Immediate(Mask##Size)); \ |
| \ |
| AssembledTest test = assemble(); \ |
| test.setDwordTo(T0, V0); \ |
| test.run(); \ |
| \ |
| ASSERT_EQ(V0, test.Dst1()) << TestString; \ |
| ASSERT_EQ(V1, test.contentsOfDword(T0)) << TestString; \ |
| reset(); \ |
| } while (0) |
| |
| #define TestImplSize(Dst1, Size) \ |
| do { \ |
| TestImplAddrReg(0xa2b34567, Dst1, 0x0507ddee, Size); \ |
| } while (0) |
| |
| #define TestImpl(Dst1) \ |
| do { \ |
| if (GPRRegister::Encoded_Reg_##Dst1 < 4) { \ |
| TestImplSize(Dst1, 8); \ |
| } \ |
| TestImplSize(Dst1, 16); \ |
| TestImplSize(Dst1, 32); \ |
| } while (0) |
| |
| TestImpl(eax); |
| TestImpl(ebx); |
| TestImpl(ecx); |
| TestImpl(edx); |
| TestImpl(esi); |
| TestImpl(edi); |
| |
| #undef TestImpl |
| #undef TestImplSize |
| #undef TestImplAddrReg |
| |
| #define TestImplRegReg(Reg0, Value0, Reg1, Value1, Size) \ |
| do { \ |
| static constexpr char TestString[] = \ |
| "(" #Reg0 "," #Value0 ", " #Reg1 ", " #Value1 ", " #Size ")"; \ |
| const uint32_t V0 = (Value0)&Mask##Size; \ |
| const uint32_t V1 = (Value1)&Mask##Size; \ |
| \ |
| __ mov(IceType_i##Size, GPRRegister::Encoded_Reg_##Reg0, \ |
| Immediate(Value0)); \ |
| __ mov(IceType_i##Size, GPRRegister::Encoded_Reg_##Reg1, \ |
| Immediate(Value1)); \ |
| __ xchg(IceType_i##Size, GPRRegister::Encoded_Reg_##Reg0, \ |
| GPRRegister::Encoded_Reg_##Reg1); \ |
| __ And(IceType_i32, GPRRegister::Encoded_Reg_##Reg0, \ |
| Immediate(Mask##Size)); \ |
| __ And(IceType_i32, GPRRegister::Encoded_Reg_##Reg1, \ |
| Immediate(Mask##Size)); \ |
| \ |
| AssembledTest test = assemble(); \ |
| test.run(); \ |
| \ |
| ASSERT_EQ(V0, test.Reg1()) << TestString; \ |
| ASSERT_EQ(V1, test.Reg0()) << TestString; \ |
| reset(); \ |
| } while (0) |
| |
| #define TestImplSize(Reg0, Reg1, Size) \ |
| do { \ |
| TestImplRegReg(Reg0, 0xa2b34567, Reg1, 0x0507ddee, Size); \ |
| } while (0) |
| |
| #define TestImpl(Reg0, Reg1) \ |
| do { \ |
| if (GPRRegister::Encoded_Reg_##Reg0 < 4 && \ |
| GPRRegister::Encoded_Reg_##Reg1 < 4) { \ |
| TestImplSize(Reg0, Reg1, 8); \ |
| } \ |
| TestImplSize(Reg0, Reg1, 16); \ |
| TestImplSize(Reg0, Reg1, 32); \ |
| } while (0) |
| |
| TestImpl(eax, ebx); |
| TestImpl(edx, eax); |
| TestImpl(ecx, edx); |
| TestImpl(esi, eax); |
| TestImpl(edx, edi); |
| |
| #undef TestImpl |
| #undef TestImplSize |
| #undef TestImplRegReg |
| } |
| |
| TEST_F(AssemblerX8632Test, Xadd) { |
| static constexpr bool NotLocked = false; |
| static constexpr bool Locked = true; |
| |
| static constexpr uint32_t Mask8 = 0x000000FF; |
| static constexpr uint32_t Mask16 = 0x0000FFFF; |
| static constexpr uint32_t Mask32 = 0xFFFFFFFF; |
| |
| #define TestImplAddrReg(Value0, Dst1, Value1, LockedOrNot, Size) \ |
| do { \ |
| static constexpr char TestString[] = \ |
| "(" #Value0 ", " #Dst1 ", " #Value1 ", " #Size ")"; \ |
| const uint32_t T0 = allocateDword(); \ |
| const uint32_t V0 = (Value0)&Mask##Size; \ |
| const uint32_t V1 = (Value1)&Mask##Size; \ |
| \ |
| __ mov(IceType_i##Size, GPRRegister::Encoded_Reg_##Dst1, \ |
| Immediate(Value1)); \ |
| __ xadd(IceType_i##Size, dwordAddress(T0), \ |
| GPRRegister::Encoded_Reg_##Dst1, LockedOrNot); \ |
| __ And(IceType_i32, GPRRegister::Encoded_Reg_##Dst1, \ |
| Immediate(Mask##Size)); \ |
| \ |
| AssembledTest test = assemble(); \ |
| test.setDwordTo(T0, V0); \ |
| test.run(); \ |
| \ |
| ASSERT_EQ(V0, test.Dst1()) << TestString; \ |
| ASSERT_EQ(Mask##Size &(V1 + V0), test.contentsOfDword(T0)) << TestString; \ |
| reset(); \ |
| } while (0) |
| |
| #define TestImplSize(Dst1, Size) \ |
| do { \ |
| TestImplAddrReg(0xa2b34567, Dst1, 0x0507ddee, NotLocked, Size); \ |
| TestImplAddrReg(0xa2b34567, Dst1, 0x0507ddee, Locked, Size); \ |
| } while (0) |
| |
| #define TestImpl(Dst1) \ |
| do { \ |
| if (GPRRegister::Encoded_Reg_##Dst1 < 4) { \ |
| TestImplSize(Dst1, 8); \ |
| } \ |
| TestImplSize(Dst1, 16); \ |
| TestImplSize(Dst1, 32); \ |
| } while (0) |
| |
| TestImpl(eax); |
| TestImpl(ebx); |
| TestImpl(ecx); |
| TestImpl(edx); |
| TestImpl(esi); |
| TestImpl(edi); |
| |
| #undef TestImpl |
| #undef TestImplSize |
| #undef TestImplAddrReg |
| } |
| |
| TEST_F(AssemblerX8632LowLevelTest, Xadd) { |
| static constexpr bool NotLocked = false; |
| static constexpr bool Locked = true; |
| |
| // Ensures that xadd emits a lock prefix accordingly. |
| { |
| __ xadd(IceType_i8, Address(0x1FF00, AssemblerFixup::NoFixup), |
| GPRRegister::Encoded_Reg_esi, NotLocked); |
| static constexpr uint8_t ByteCountNotLocked8 = 7; |
| ASSERT_EQ(ByteCountNotLocked8, codeBytesSize()); |
| verifyBytes<ByteCountNotLocked8>(codeBytes(), 0x0F, 0xC0, 0x35, 0x00, 0xFF, |
| 0x01, 0x00); |
| reset(); |
| |
| __ xadd(IceType_i8, Address(0x1FF00, AssemblerFixup::NoFixup), |
| GPRRegister::Encoded_Reg_esi, Locked); |
| static constexpr uint8_t ByteCountLocked8 = 1 + ByteCountNotLocked8; |
| ASSERT_EQ(ByteCountLocked8, codeBytesSize()); |
| verifyBytes<ByteCountLocked8>(codeBytes(), 0xF0, 0x0F, 0xC0, 0x35, 0x00, |
| 0xFF, 0x01, 0x00); |
| reset(); |
| } |
| |
| { |
| __ xadd(IceType_i16, Address(0x1FF00, AssemblerFixup::NoFixup), |
| GPRRegister::Encoded_Reg_esi, NotLocked); |
| static constexpr uint8_t ByteCountNotLocked16 = 8; |
| ASSERT_EQ(ByteCountNotLocked16, codeBytesSize()); |
| verifyBytes<ByteCountNotLocked16>(codeBytes(), 0x66, 0x0F, 0xC1, 0x35, 0x00, |
| 0xFF, 0x01, 0x00); |
| reset(); |
| |
| __ xadd(IceType_i16, Address(0x1FF00, AssemblerFixup::NoFixup), |
| GPRRegister::Encoded_Reg_esi, Locked); |
| static constexpr uint8_t ByteCountLocked16 = 1 + ByteCountNotLocked16; |
| ASSERT_EQ(ByteCountLocked16, codeBytesSize()); |
| verifyBytes<ByteCountLocked16>(codeBytes(), 0x66, 0xF0, 0x0F, 0xC1, 0x35, |
| 0x00, 0xFF, 0x01, 0x00); |
| reset(); |
| } |
| |
| { |
| __ xadd(IceType_i32, Address(0x1FF00, AssemblerFixup::NoFixup), |
| GPRRegister::Encoded_Reg_esi, NotLocked); |
| static constexpr uint8_t ByteCountNotLocked32 = 7; |
| ASSERT_EQ(ByteCountNotLocked32, codeBytesSize()); |
| verifyBytes<ByteCountNotLocked32>(codeBytes(), 0x0F, 0xC1, 0x35, 0x00, 0xFF, |
| 0x01, 0x00); |
| reset(); |
| |
| __ xadd(IceType_i32, Address(0x1FF00, AssemblerFixup::NoFixup), |
| GPRRegister::Encoded_Reg_esi, Locked); |
| static constexpr uint8_t ByteCountLocked32 = 1 + ByteCountNotLocked32; |
| ASSERT_EQ(ByteCountLocked32, codeBytesSize()); |
| verifyBytes<ByteCountLocked32>(codeBytes(), 0xF0, 0x0F, 0xC1, 0x35, 0x00, |
| 0xFF, 0x01, 0x00); |
| reset(); |
| } |
| } |
| |
| TEST_F(AssemblerX8632Test, Cmpxchg8b) { |
| static constexpr bool NotLocked = false; |
| static constexpr bool Locked = true; |
| |
| #define TestImpl(Value0, Value1, ValueMem, LockedOrNot) \ |
| do { \ |
| static constexpr char TestString[] = \ |
| "(" #Value0 ", " #Value1 ", " #ValueMem ", " #LockedOrNot ")"; \ |
| const uint32_t T0 = allocateQword(); \ |
| static constexpr uint64_t V0 = ValueMem; \ |
| const uint32_t ZeroFlag = allocateDword(); \ |
| \ |
| __ mov(IceType_i32, GPRRegister::Encoded_Reg_eax, \ |
| Immediate(uint64_t(Value0) & 0xFFFFFFFF)); \ |
| __ mov(IceType_i32, GPRRegister::Encoded_Reg_edx, \ |
| Immediate(uint64_t(Value0) >> 32)); \ |
| __ mov(IceType_i32, GPRRegister::Encoded_Reg_ebx, \ |
| Immediate(uint64_t(Value1) & 0xFFFFFFFF)); \ |
| __ mov(IceType_i32, GPRRegister::Encoded_Reg_ecx, \ |
| Immediate(uint64_t(Value1) >> 32)); \ |
| __ cmpxchg8b(dwordAddress(T0), LockedOrNot); \ |
| __ setcc(Cond::Br_e, dwordAddress(ZeroFlag)); \ |
| \ |
| AssembledTest test = assemble(); \ |
| test.setQwordTo(T0, V0); \ |
| test.setDwordTo(ZeroFlag, uint32_t(0xFF)); \ |
| test.run(); \ |
| \ |
| if (V0 == (Value0)) { \ |
| ASSERT_EQ(uint64_t(Value1), test.contentsOfQword(T0)) << TestString; \ |
| ASSERT_EQ(1u, test.contentsOfDword(ZeroFlag)) << TestString; \ |
| } else { \ |
| ASSERT_EQ(uint64_t(ValueMem) & 0xFFFFFFFF, test.eax()) << TestString; \ |
| ASSERT_EQ((uint64_t(ValueMem) >> 32) & 0xFFFFFFFF, test.edx()) \ |
| << TestString; \ |
| ASSERT_EQ(0u, test.contentsOfDword(ZeroFlag)) << TestString; \ |
| } \ |
| reset(); \ |
| } while (0) |
| |
| TestImpl(0x98987676543210ull, 0x1, 0x98987676543210ull, NotLocked); |
| TestImpl(0x98987676543210ull, 0x1, 0x98987676543210ull, Locked); |
| TestImpl(0x98987676543210ull, 0x1, 0x98987676543211ull, NotLocked); |
| TestImpl(0x98987676543210ull, 0x1, 0x98987676543211ull, Locked); |
| |
| #undef TestImpl |
| } |
| |
| TEST_F(AssemblerX8632LowLevelTest, Cmpxchg8b) { |
| static constexpr bool NotLocked = false; |
| static constexpr bool Locked = true; |
| |
| // Ensures that cmpxchg8b emits a lock prefix accordingly. |
| __ cmpxchg8b(Address(0x1FF00, AssemblerFixup::NoFixup), NotLocked); |
| static constexpr uint8_t ByteCountNotLocked = 7; |
| ASSERT_EQ(ByteCountNotLocked, codeBytesSize()); |
| verifyBytes<ByteCountNotLocked>(codeBytes(), 0x0F, 0xC7, 0x0D, 0x00, 0xFF, |
| 0x01, 0x00); |
| reset(); |
| |
| __ cmpxchg8b(Address(0x1FF00, AssemblerFixup::NoFixup), Locked); |
| static constexpr uint8_t ByteCountLocked = 1 + ByteCountNotLocked; |
| ASSERT_EQ(ByteCountLocked, codeBytesSize()); |
| verifyBytes<ByteCountLocked>(codeBytes(), 0xF0, 0x0F, 0xC7, 0x0D, 0x00, 0xFF, |
| 0x01, 0x00); |
| reset(); |
| } |
| |
| TEST_F(AssemblerX8632Test, Cmpxchg) { |
| static constexpr bool NotLocked = false; |
| static constexpr bool Locked = true; |
| |
| static constexpr uint32_t Mask8 = 0x000000FF; |
| static constexpr uint32_t Mask16 = 0x0000FFFF; |
| static constexpr uint32_t Mask32 = 0xFFFFFFFF; |
| |
| #define TestImplAddrReg(Value0, Src, Value1, ValueMem, LockedOrNot, Size) \ |
| do { \ |
| static constexpr char TestString[] = \ |
| "(" #Value0 ", " #Src ", " #Value1 ", " #ValueMem ", " #LockedOrNot \ |
| ", " #Size ")"; \ |
| const uint32_t T0 = allocateDword(); \ |
| static constexpr uint32_t V0 = (ValueMem)&Mask##Size; \ |
| const uint32_t ZeroFlag = allocateDword(); \ |
| \ |
| __ mov(IceType_i##Size, GPRRegister::Encoded_Reg_eax, \ |
| Immediate((Value0)&Mask##Size)); \ |
| __ mov(IceType_i##Size, GPRRegister::Encoded_Reg_##Src, \ |
| Immediate((Value1)&Mask##Size)); \ |
| __ cmpxchg(IceType_i##Size, dwordAddress(T0), \ |
| GPRRegister::Encoded_Reg_##Src, LockedOrNot); \ |
| __ setcc(Cond::Br_e, dwordAddress(ZeroFlag)); \ |
| \ |
| AssembledTest test = assemble(); \ |
| test.setDwordTo(T0, V0); \ |
| test.setDwordTo(ZeroFlag, uint32_t(0xFF)); \ |
| test.run(); \ |
| \ |
| if (V0 == (Mask##Size & (Value0))) { \ |
| ASSERT_EQ(uint32_t((Value1)&Mask##Size), test.contentsOfDword(T0)) \ |
| << TestString; \ |
| ASSERT_EQ(1u, test.contentsOfDword(ZeroFlag)) << TestString; \ |
| } else { \ |
| ASSERT_EQ(uint32_t((ValueMem)&Mask##Size), test.eax()) << TestString; \ |
| ASSERT_EQ(0u, test.contentsOfDword(ZeroFlag)) << TestString; \ |
| } \ |
| reset(); \ |
| } while (0) |
| |
| #define TestImplValue(Value0, Src, Value1, ValueMem, LockedOrNot) \ |
| do { \ |
| if (GPRRegister::Encoded_Reg_##Src < 4) { \ |
| TestImplAddrReg(Value0, Src, Value1, ValueMem, LockedOrNot, 8); \ |
| } \ |
| TestImplAddrReg(Value0, Src, Value1, ValueMem, LockedOrNot, 16); \ |
| TestImplAddrReg(Value0, Src, Value1, ValueMem, LockedOrNot, 32); \ |
| } while (0) |
| |
| #define TestImpl(Src, LockedOrNot) \ |
| do { \ |
| TestImplValue(0xFFFFFFFF, Src, 0x1, 0xFFFFFFFF, LockedOrNot); \ |
| TestImplValue(0x0FFF0F0F, Src, 0x1, 0xFFFFFFFF, LockedOrNot); \ |
| } while (0) |
| |
| TestImpl(ebx, Locked); |
| TestImpl(edx, NotLocked); |
| TestImpl(ecx, Locked); |
| TestImpl(ecx, NotLocked); |
| TestImpl(edx, Locked); |
| TestImpl(edx, NotLocked); |
| TestImpl(esi, Locked); |
| TestImpl(esi, NotLocked); |
| TestImpl(edi, Locked); |
| TestImpl(edi, NotLocked); |
| |
| #undef TestImpl |
| #undef TestImplValue |
| #undef TestImplAddrReg |
| } |
| |
| TEST_F(AssemblerX8632LowLevelTest, Cmpxchg) { |
| static constexpr bool NotLocked = false; |
| static constexpr bool Locked = true; |
| |
| // Ensures that cmpxchg emits a lock prefix accordingly. |
| { |
| __ cmpxchg(IceType_i8, Address(0x1FF00, AssemblerFixup::NoFixup), |
| GPRRegister::Encoded_Reg_esi, NotLocked); |
| static constexpr uint8_t ByteCountNotLocked8 = 7; |
| ASSERT_EQ(ByteCountNotLocked8, codeBytesSize()); |
| verifyBytes<ByteCountNotLocked8>(codeBytes(), 0x0F, 0xB0, 0x35, 0x00, 0xFF, |
| 0x01, 0x00); |
| reset(); |
| |
| __ cmpxchg(IceType_i8, Address(0x1FF00, AssemblerFixup::NoFixup), |
| GPRRegister::Encoded_Reg_esi, Locked); |
| static constexpr uint8_t ByteCountLocked8 = 1 + ByteCountNotLocked8; |
| ASSERT_EQ(ByteCountLocked8, codeBytesSize()); |
| verifyBytes<ByteCountLocked8>(codeBytes(), 0xF0, 0x0F, 0xB0, 0x35, 0x00, |
| 0xFF, 0x01, 0x00); |
| reset(); |
| } |
| |
| { |
| __ cmpxchg(IceType_i16, Address(0x1FF00, AssemblerFixup::NoFixup), |
| GPRRegister::Encoded_Reg_esi, NotLocked); |
| static constexpr uint8_t ByteCountNotLocked16 = 8; |
| ASSERT_EQ(ByteCountNotLocked16, codeBytesSize()); |
| verifyBytes<ByteCountNotLocked16>(codeBytes(), 0x66, 0x0F, 0xB1, 0x35, 0x00, |
| 0xFF, 0x01, 0x00); |
| reset(); |
| |
| __ cmpxchg(IceType_i16, Address(0x1FF00, AssemblerFixup::NoFixup), |
| GPRRegister::Encoded_Reg_esi, Locked); |
| static constexpr uint8_t ByteCountLocked16 = 1 + ByteCountNotLocked16; |
| ASSERT_EQ(ByteCountLocked16, codeBytesSize()); |
| verifyBytes<ByteCountLocked16>(codeBytes(), 0x66, 0xF0, 0x0F, 0xB1, 0x35, |
| 0x00, 0xFF, 0x01, 0x00); |
| reset(); |
| } |
| |
| { |
| __ cmpxchg(IceType_i32, Address(0x1FF00, AssemblerFixup::NoFixup), |
| GPRRegister::Encoded_Reg_esi, NotLocked); |
| static constexpr uint8_t ByteCountNotLocked32 = 7; |
| ASSERT_EQ(ByteCountNotLocked32, codeBytesSize()); |
| verifyBytes<ByteCountNotLocked32>(codeBytes(), 0x0F, 0xB1, 0x35, 0x00, 0xFF, |
| 0x01, 0x00); |
| reset(); |
| |
| __ cmpxchg(IceType_i32, Address(0x1FF00, AssemblerFixup::NoFixup), |
| GPRRegister::Encoded_Reg_esi, Locked); |
| static constexpr uint8_t ByteCountLocked32 = 1 + ByteCountNotLocked32; |
| ASSERT_EQ(ByteCountLocked32, codeBytesSize()); |
| verifyBytes<ByteCountLocked32>(codeBytes(), 0xF0, 0x0F, 0xB1, 0x35, 0x00, |
| 0xFF, 0x01, 0x00); |
| reset(); |
| } |
| } |
| |
| } // end of anonymous namespace |
| } // end of namespace Test |
| } // end of namespace X8632 |
| } // end of namespace Ice |
