| // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| #include "vm/globals.h" |
| #if defined(TARGET_ARCH_IA32) |
| |
| #include "vm/compiler/assembler/assembler.h" |
| #include "vm/cpu.h" |
| #include "vm/os.h" |
| #include "vm/unit_test.h" |
| #include "vm/virtual_memory.h" |
| |
| #if defined(PRODUCT) |
| #define EXPECT_DISASSEMBLY(expected) |
| #else |
| #define EXPECT_DISASSEMBLY(expected) \ |
| EXPECT_STREQ(expected, test->RelativeDisassembly()) |
| #endif |
| |
| namespace dart { |
| namespace compiler { |
| |
| #define __ assembler-> |
| |
| ASSEMBLER_TEST_GENERATE(Simple, assembler) { |
| __ movl(EAX, Immediate(42)); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(Simple, test) { |
| typedef int (*SimpleCode)(); |
| EXPECT_EQ(42, reinterpret_cast<SimpleCode>(test->entry())()); |
| EXPECT_DISASSEMBLY( |
| "mov eax,0x2a\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(ReadArgument, assembler) { |
| __ movl(EAX, Address(ESP, target::kWordSize)); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(ReadArgument, test) { |
| typedef int (*ReadArgumentCode)(int n); |
| EXPECT_EQ(42, reinterpret_cast<ReadArgumentCode>(test->entry())(42)); |
| EXPECT_EQ(87, reinterpret_cast<ReadArgumentCode>(test->entry())(87)); |
| EXPECT_DISASSEMBLY( |
| "mov eax,[esp+0x4]\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(AddressingModes, assembler) { |
| __ movl(EAX, Address(ESP, 0)); |
| __ movl(EAX, Address(EBP, 0)); |
| __ movl(EAX, Address(EAX, 0)); |
| |
| __ movl(EAX, Address(ESP, target::kWordSize)); |
| __ movl(EAX, Address(EBP, target::kWordSize)); |
| __ movl(EAX, Address(EAX, target::kWordSize)); |
| |
| __ movl(EAX, Address(ESP, -target::kWordSize)); |
| __ movl(EAX, Address(EBP, -target::kWordSize)); |
| __ movl(EAX, Address(EAX, -target::kWordSize)); |
| |
| __ movl(EAX, Address(ESP, 256 * target::kWordSize)); |
| __ movl(EAX, Address(EBP, 256 * target::kWordSize)); |
| __ movl(EAX, Address(EAX, 256 * target::kWordSize)); |
| |
| __ movl(EAX, Address(ESP, -256 * target::kWordSize)); |
| __ movl(EAX, Address(EBP, -256 * target::kWordSize)); |
| __ movl(EAX, Address(EAX, -256 * target::kWordSize)); |
| |
| __ movl(EAX, Address(EAX, TIMES_1)); |
| __ movl(EAX, Address(EAX, TIMES_2)); |
| __ movl(EAX, Address(EAX, TIMES_4)); |
| __ movl(EAX, Address(EAX, TIMES_8)); |
| |
| __ movl(EAX, Address(EBP, TIMES_2)); |
| __ movl(EAX, Address(EAX, TIMES_2)); |
| |
| __ movl(EAX, Address(EBP, TIMES_2, target::kWordSize)); |
| __ movl(EAX, Address(EAX, TIMES_2, target::kWordSize)); |
| |
| __ movl(EAX, Address(EBP, TIMES_2, 256 * target::kWordSize)); |
| __ movl(EAX, Address(EAX, TIMES_2, 256 * target::kWordSize)); |
| |
| __ movl(EAX, Address(EAX, EBP, TIMES_2, 0)); |
| __ movl(EAX, Address(EAX, EAX, TIMES_2, 0)); |
| __ movl(EAX, Address(EBP, EBP, TIMES_2, 0)); |
| __ movl(EAX, Address(EBP, EAX, TIMES_2, 0)); |
| __ movl(EAX, Address(ESP, EBP, TIMES_2, 0)); |
| __ movl(EAX, Address(ESP, EAX, TIMES_2, 0)); |
| |
| __ movl(EAX, Address(EAX, EBP, TIMES_2, target::kWordSize)); |
| __ movl(EAX, Address(EAX, EAX, TIMES_2, target::kWordSize)); |
| __ movl(EAX, Address(EBP, EBP, TIMES_2, target::kWordSize)); |
| __ movl(EAX, Address(EBP, EAX, TIMES_2, target::kWordSize)); |
| __ movl(EAX, Address(ESP, EBP, TIMES_2, target::kWordSize)); |
| __ movl(EAX, Address(ESP, EAX, TIMES_2, target::kWordSize)); |
| |
| __ movl(EAX, Address(EAX, EBP, TIMES_2, 256 * target::kWordSize)); |
| __ movl(EAX, Address(EAX, EAX, TIMES_2, 256 * target::kWordSize)); |
| __ movl(EAX, Address(EBP, EBP, TIMES_2, 256 * target::kWordSize)); |
| __ movl(EAX, Address(EBP, EAX, TIMES_2, 256 * target::kWordSize)); |
| __ movl(EAX, Address(ESP, EBP, TIMES_2, 256 * target::kWordSize)); |
| __ movl(EAX, Address(ESP, EAX, TIMES_2, 256 * target::kWordSize)); |
| } |
| |
| ASSEMBLER_TEST_RUN(AddressingModes, test) { |
| // Avoid running the code since it is constructed to lead to crashes. |
| EXPECT_DISASSEMBLY( |
| "mov eax,[esp]\n" |
| "mov eax,[ebp+0]\n" |
| "mov eax,[eax]\n" |
| "mov eax,[esp+0x4]\n" |
| "mov eax,[ebp+0x4]\n" |
| "mov eax,[eax+0x4]\n" |
| "mov eax,[esp-0x4]\n" |
| "mov eax,[ebp-0x4]\n" |
| "mov eax,[eax-0x4]\n" |
| "mov eax,[esp+0x400]\n" |
| "mov eax,[ebp+0x400]\n" |
| "mov eax,[eax+0x400]\n" |
| "mov eax,[esp-0x400]\n" |
| "mov eax,[ebp-0x400]\n" |
| "mov eax,[eax-0x400]\n" |
| "mov eax,[eax]\n" |
| "mov eax,[eax+0x1]\n" |
| "mov eax,[eax+0x2]\n" |
| "mov eax,[eax+0x3]\n" |
| "mov eax,[ebp+0x1]\n" |
| "mov eax,[eax+0x1]\n" |
| "mov eax,[ebp*2+0x4]\n" |
| "mov eax,[eax*2+0x4]\n" |
| "mov eax,[ebp*2+0x400]\n" |
| "mov eax,[eax*2+0x400]\n" |
| "mov eax,[eax+ebp*2]\n" |
| "mov eax,[eax+eax*2]\n" |
| "mov eax,[ebp+ebp*2+0]\n" |
| "mov eax,[ebp+eax*2+0]\n" |
| "mov eax,[esp+ebp*2]\n" |
| "mov eax,[esp+eax*2]\n" |
| "mov eax,[eax+ebp*2+0x4]\n" |
| "mov eax,[eax+eax*2+0x4]\n" |
| "mov eax,[ebp+ebp*2+0x4]\n" |
| "mov eax,[ebp+eax*2+0x4]\n" |
| "mov eax,[esp+ebp*2+0x4]\n" |
| "mov eax,[esp+eax*2+0x4]\n" |
| "mov eax,[eax+ebp*2+0x400]\n" |
| "mov eax,[eax+eax*2+0x400]\n" |
| "mov eax,[ebp+ebp*2+0x400]\n" |
| "mov eax,[ebp+eax*2+0x400]\n" |
| "mov eax,[esp+ebp*2+0x400]\n" |
| "mov eax,[esp+eax*2+0x400]\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(JumpAroundCrash, assembler) { |
| Label done; |
| // Make sure all the condition jumps work. |
| for (Condition condition = OVERFLOW; condition <= GREATER; |
| condition = static_cast<Condition>(condition + 1)) { |
| __ j(condition, &done); |
| } |
| // This isn't strictly necessary, but we do an unconditional |
| // jump around the crashing code anyway. |
| __ jmp(&done); |
| |
| // Be sure to skip this crashing code. |
| __ movl(EAX, Immediate(0)); |
| __ movl(Address(EAX, 0), EAX); |
| |
| __ Bind(&done); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(JumpAroundCrash, test) { |
| Instr* instr = Instr::At(test->entry()); |
| EXPECT(!instr->IsBreakPoint()); |
| typedef void (*JumpAroundCrashCode)(); |
| reinterpret_cast<JumpAroundCrashCode>(test->entry())(); |
| EXPECT_DISASSEMBLY( |
| "jo +108\n" |
| "jno +102\n" |
| "jc +96\n" |
| "jnc +90\n" |
| "jz +84\n" |
| "jnz +78\n" |
| "jna +72\n" |
| "ja +66\n" |
| "js +60\n" |
| "jns +54\n" |
| "jpe +48\n" |
| "jpo +42\n" |
| "jl +36\n" |
| "jge +30\n" |
| "jle +24\n" |
| "jg +18\n" |
| "jmp +12\n" |
| "mov eax,0\n" |
| "mov [eax],eax\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(NearJumpAroundCrash, assembler) { |
| Label done; |
| // Make sure all the condition jumps work. |
| for (Condition condition = OVERFLOW; condition <= GREATER; |
| condition = static_cast<Condition>(condition + 1)) { |
| __ j(condition, &done, Assembler::kNearJump); |
| } |
| // This isn't strictly necessary, but we do an unconditional |
| // jump around the crashing code anyway. |
| __ jmp(&done, Assembler::kNearJump); |
| |
| // Be sure to skip this crashing code. |
| __ movl(EAX, Immediate(0)); |
| __ movl(Address(EAX, 0), EAX); |
| |
| __ Bind(&done); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(NearJumpAroundCrash, test) { |
| typedef void (*NearJumpAroundCrashCode)(); |
| reinterpret_cast<NearJumpAroundCrashCode>(test->entry())(); |
| EXPECT_DISASSEMBLY( |
| "jo +41\n" |
| "jno +39\n" |
| "jc +37\n" |
| "jnc +35\n" |
| "jz +33\n" |
| "jnz +31\n" |
| "jna +29\n" |
| "ja +27\n" |
| "js +25\n" |
| "jns +23\n" |
| "jpe +21\n" |
| "jpo +19\n" |
| "jl +17\n" |
| "jge +15\n" |
| "jle +13\n" |
| "jg +11\n" |
| "jmp +9\n" |
| "mov eax,0\n" |
| "mov [eax],eax\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(SimpleLoop, assembler) { |
| __ movl(EAX, Immediate(0)); |
| __ movl(ECX, Immediate(0)); |
| Label loop; |
| __ Bind(&loop); |
| __ addl(EAX, Immediate(2)); |
| __ incl(ECX); |
| __ cmpl(ECX, Immediate(87)); |
| __ j(LESS, &loop); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(SimpleLoop, test) { |
| typedef int (*SimpleLoopCode)(); |
| EXPECT_EQ(2 * 87, reinterpret_cast<SimpleLoopCode>(test->entry())()); |
| EXPECT_DISASSEMBLY( |
| "mov eax,0\n" |
| "mov ecx,0\n" |
| "add eax,2\n" |
| "inc ecx\n" |
| "cmp ecx,0x57\n" |
| "jl -7\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(Cmpb, assembler) { |
| Label done; |
| __ movl(EAX, Immediate(1)); |
| __ pushl(Immediate(0xffffff11)); |
| __ cmpb(Address(ESP, 0), Immediate(0x11)); |
| __ j(EQUAL, &done, Assembler::kNearJump); |
| __ movl(EAX, Immediate(0)); |
| __ Bind(&done); |
| __ popl(ECX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(Cmpb, test) { |
| typedef int (*CmpbCode)(); |
| EXPECT_EQ(1, reinterpret_cast<CmpbCode>(test->entry())()); |
| EXPECT_DISASSEMBLY( |
| "mov eax,1\n" |
| "push 0xffffff11\n" |
| "cmpb [esp],0x11\n" |
| "jz +7\n" |
| "mov eax,0\n" |
| "pop ecx\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(Testb, assembler) { |
| __ movl(EAX, Immediate(1)); |
| __ movl(ECX, Immediate(0)); |
| __ pushl(Immediate(0xffffff11)); |
| __ testb(Address(ESP, 0), Immediate(0x10)); |
| // Fail if zero flag set. |
| __ cmove(EAX, ECX); |
| __ testb(Address(ESP, 0), Immediate(0x20)); |
| // Fail if zero flag not set. |
| __ cmovne(EAX, ECX); |
| __ popl(ECX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(Testb, test) { |
| typedef int (*TestbCode)(); |
| EXPECT_EQ(1, reinterpret_cast<TestbCode>(test->entry())()); |
| EXPECT_DISASSEMBLY( |
| "mov eax,1\n" |
| "mov ecx,0\n" |
| "push 0xffffff11\n" |
| "testb [esp],0x10\n" |
| "cmovz eax,ecx\n" |
| "testb [esp],0x20\n" |
| "cmovnz eax,ecx\n" |
| "pop ecx\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(Bsf, assembler) { |
| __ movl(ECX, Immediate(12)); |
| __ bsfl(EAX, ECX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(Bsf, test) { |
| typedef int (*BsfCode)(); |
| EXPECT_EQ(2, reinterpret_cast<BsfCode>(test->entry())()); |
| EXPECT_DISASSEMBLY( |
| "mov ecx,0xc\n" |
| "bsf eax,ecx\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(Bsr, assembler) { |
| __ movl(ECX, Immediate(12)); |
| __ bsrl(EAX, ECX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(Bsr, test) { |
| typedef int (*BsrCode)(); |
| EXPECT_EQ(3, reinterpret_cast<BsrCode>(test->entry())()); |
| EXPECT_DISASSEMBLY( |
| "mov ecx,0xc\n" |
| "bsr eax,ecx\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(Popcnt, assembler) { |
| __ movl(ECX, Immediate(-1)); |
| __ popcntl(EAX, ECX); |
| __ movl(ECX, Immediate(0xf)); |
| __ popcntl(ECX, ECX); |
| __ addl(EAX, ECX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(Popcnt, test) { |
| if (!HostCPUFeatures::popcnt_supported()) { |
| return; |
| } |
| typedef int (*PopcntCode)(); |
| EXPECT_EQ(36, reinterpret_cast<PopcntCode>(test->entry())()); |
| EXPECT_DISASSEMBLY( |
| "mov ecx,0xffffffff\n" |
| "popcnt eax,ecx\n" |
| "mov ecx,0xf\n" |
| "popcnt ecx,ecx\n" |
| "add eax,ecx\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(Lzcnt, assembler) { |
| __ movl(ECX, Immediate(0x0f00)); |
| __ lzcntl(EAX, ECX); |
| __ movl(ECX, Immediate(0x00f0)); |
| __ lzcntl(ECX, ECX); |
| __ addl(EAX, ECX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(Lzcnt, test) { |
| if (!HostCPUFeatures::abm_supported()) { |
| return; |
| } |
| typedef int (*LzcntCode)(); |
| EXPECT_EQ(44, reinterpret_cast<LzcntCode>(test->entry())()); |
| EXPECT_DISASSEMBLY( |
| "mov ecx,0xf00\n" |
| "lzcnt eax,ecx\n" |
| "mov ecx,0xf0\n" |
| "lzcnt ecx,ecx\n" |
| "add eax,ecx\n" |
| "ret\n"); |
| } |
| |
| struct JumpAddress { |
| uword filler1; |
| uword filler2; |
| uword filler3; |
| uword filler4; |
| uword filler5; |
| uword target; |
| uword filler6; |
| uword filler7; |
| uword filler8; |
| }; |
| static JumpAddress jump_address; |
| static uword jump_address_offset; |
| |
| ASSEMBLER_TEST_GENERATE(JumpAddress, assembler) { |
| __ movl(EAX, Address(ESP, 4)); |
| __ jmp(Address(EAX, OFFSET_OF(JumpAddress, target))); |
| __ int3(); |
| __ int3(); |
| __ int3(); |
| __ int3(); |
| __ int3(); |
| jump_address_offset = __ CodeSize(); |
| __ movl(EAX, Immediate(42)); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(JumpAddress, test) { |
| memset(&jump_address, 0, sizeof(jump_address)); |
| jump_address.target = test->entry() + jump_address_offset; |
| |
| typedef int (*TestCode)(void*); |
| EXPECT_EQ(42, reinterpret_cast<TestCode>(test->entry())(&jump_address)); |
| EXPECT_DISASSEMBLY( |
| "mov eax,[esp+0x4]\n" |
| "jmp [eax+0x14]\n" |
| "int3\n" |
| "int3\n" |
| "int3\n" |
| "int3\n" |
| "int3\n" |
| "mov eax,0x2a\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(Increment, assembler) { |
| __ movl(EAX, Immediate(0)); |
| __ pushl(EAX); |
| __ incl(Address(ESP, 0)); |
| __ movl(ECX, Address(ESP, 0)); |
| __ incl(ECX); |
| __ popl(EAX); |
| __ movl(EAX, ECX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(Increment, test) { |
| typedef int (*IncrementCode)(); |
| EXPECT_EQ(2, reinterpret_cast<IncrementCode>(test->entry())()); |
| EXPECT_DISASSEMBLY( |
| "mov eax,0\n" |
| "push eax\n" |
| "inc [esp]\n" |
| "mov ecx,[esp]\n" |
| "inc ecx\n" |
| "pop eax\n" |
| "mov eax,ecx\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(Decrement, assembler) { |
| __ movl(EAX, Immediate(2)); |
| __ pushl(EAX); |
| __ decl(Address(ESP, 0)); |
| __ movl(ECX, Address(ESP, 0)); |
| __ decl(ECX); |
| __ popl(EAX); |
| __ movl(EAX, ECX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(Decrement, test) { |
| typedef int (*DecrementCode)(); |
| EXPECT_EQ(0, reinterpret_cast<DecrementCode>(test->entry())()); |
| EXPECT_DISASSEMBLY( |
| "mov eax,2\n" |
| "push eax\n" |
| "dec [esp]\n" |
| "mov ecx,[esp]\n" |
| "dec ecx\n" |
| "pop eax\n" |
| "mov eax,ecx\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(AddressBinOp, assembler) { |
| __ movl(EAX, Address(ESP, target::kWordSize)); |
| __ addl(EAX, Address(ESP, target::kWordSize)); |
| __ incl(EAX); |
| __ subl(EAX, Address(ESP, target::kWordSize)); |
| __ imull(EAX, Address(ESP, target::kWordSize)); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(AddressBinOp, test) { |
| typedef int (*AddressBinOpCode)(int a); |
| EXPECT_EQ((2 + 2 + 1 - 2) * 2, |
| reinterpret_cast<AddressBinOpCode>(test->entry())(2)); |
| EXPECT_DISASSEMBLY( |
| "mov eax,[esp+0x4]\n" |
| "add eax,[esp+0x4]\n" |
| "inc eax\n" |
| "sub eax,[esp+0x4]\n" |
| "imul eax,[esp+0x4]\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(SignedMultiply, assembler) { |
| __ movl(EAX, Immediate(2)); |
| __ movl(ECX, Immediate(4)); |
| __ imull(EAX, ECX); |
| __ imull(EAX, Immediate(1000)); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(SignedMultiply, test) { |
| typedef int (*SignedMultiply)(); |
| EXPECT_EQ(8000, reinterpret_cast<SignedMultiply>(test->entry())()); |
| EXPECT_DISASSEMBLY( |
| "mov eax,2\n" |
| "mov ecx,4\n" |
| "imul eax,ecx\n" |
| "imul eax,eax,0x3e8\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(OverflowSignedMultiply, assembler) { |
| __ movl(EDX, Immediate(0)); |
| __ movl(EAX, Immediate(0x0fffffff)); |
| __ movl(ECX, Immediate(0x0fffffff)); |
| __ imull(EAX, ECX); |
| __ imull(EAX, EDX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(OverflowSignedMultiply, test) { |
| typedef int (*OverflowSignedMultiply)(); |
| EXPECT_EQ(0, reinterpret_cast<OverflowSignedMultiply>(test->entry())()); |
| EXPECT_DISASSEMBLY( |
| "mov edx,0\n" |
| "mov eax,0x0fffffff\n" |
| "mov ecx,0x0fffffff\n" |
| "imul eax,ecx\n" |
| "imul eax,edx\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(SignedMultiply1, assembler) { |
| __ pushl(EBX); // preserve EBX. |
| __ movl(EBX, Immediate(2)); |
| __ movl(ECX, Immediate(4)); |
| __ imull(EBX, ECX); |
| __ imull(EBX, Immediate(1000)); |
| __ movl(EAX, EBX); |
| __ popl(EBX); // restore EBX. |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(SignedMultiply1, test) { |
| typedef int (*SignedMultiply1)(); |
| EXPECT_EQ(8000, reinterpret_cast<SignedMultiply1>(test->entry())()); |
| EXPECT_DISASSEMBLY( |
| "push ebx\n" |
| "mov ebx,2\n" |
| "mov ecx,4\n" |
| "imul ebx,ecx\n" |
| "imul ebx,ebx,0x3e8\n" |
| "mov eax,ebx\n" |
| "pop ebx\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(Negate, assembler) { |
| __ movl(ECX, Immediate(42)); |
| __ negl(ECX); |
| __ movl(EAX, ECX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(Negate, test) { |
| typedef int (*Negate)(); |
| EXPECT_EQ(-42, reinterpret_cast<Negate>(test->entry())()); |
| EXPECT_DISASSEMBLY( |
| "mov ecx,0x2a\n" |
| "neg ecx\n" |
| "mov eax,ecx\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(BitScanReverseTest, assembler) { |
| __ movl(ECX, Address(ESP, target::kWordSize)); |
| __ movl(EAX, Immediate(666)); // Marker for conditional write. |
| __ bsrl(EAX, ECX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(BitScanReverseTest, test) { |
| typedef int (*Bsr)(int input); |
| Bsr call = reinterpret_cast<Bsr>(test->entry()); |
| EXPECT_EQ(666, call(0)); |
| EXPECT_EQ(0, call(1)); |
| EXPECT_EQ(1, call(2)); |
| EXPECT_EQ(1, call(3)); |
| EXPECT_EQ(2, call(4)); |
| EXPECT_EQ(5, call(42)); |
| EXPECT_EQ(31, call(-1)); |
| EXPECT_DISASSEMBLY( |
| "mov ecx,[esp+0x4]\n" |
| "mov eax,0x29a\n" |
| "bsr eax,ecx\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(MoveExtend, assembler) { |
| __ pushl(EBX); // preserve EBX. |
| __ movl(EDX, Immediate(0x1234ffff)); |
| __ movzxb(EAX, DL); // EAX = 0xff |
| __ movsxw(EBX, EDX); // EBX = -1 |
| __ movzxw(ECX, EDX); // ECX = 0xffff |
| __ addl(EBX, ECX); |
| __ addl(EAX, EBX); |
| __ popl(EBX); // restore EBX. |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(MoveExtend, test) { |
| typedef int (*MoveExtend)(); |
| EXPECT_EQ(0xff - 1 + 0xffff, reinterpret_cast<MoveExtend>(test->entry())()); |
| EXPECT_DISASSEMBLY( |
| "push ebx\n" |
| "mov edx,0x1234ffff\n" |
| "movzxb eax,edx\n" |
| "movsxw ebx,edx\n" |
| "movzxw ecx,edx\n" |
| "add ebx,ecx\n" |
| "add eax,ebx\n" |
| "pop ebx\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(MoveExtendMemory, assembler) { |
| __ pushl(EBX); // preserve EBX. |
| __ movl(EDX, Immediate(0x1234ffff)); |
| |
| __ pushl(EDX); |
| __ movzxb(EAX, Address(ESP, 0)); // EAX = 0xff |
| __ movsxw(EBX, Address(ESP, 0)); // EBX = -1 |
| __ movzxw(ECX, Address(ESP, 0)); // ECX = 0xffff |
| __ addl(ESP, Immediate(target::kWordSize)); |
| |
| __ addl(EBX, ECX); |
| __ addl(EAX, EBX); |
| __ popl(EBX); // restore EBX. |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(MoveExtendMemory, test) { |
| typedef int (*MoveExtendMemory)(); |
| EXPECT_EQ(0xff - 1 + 0xffff, |
| reinterpret_cast<MoveExtendMemory>(test->entry())()); |
| EXPECT_DISASSEMBLY( |
| "push ebx\n" |
| "mov edx,0x1234ffff\n" |
| "push edx\n" |
| "movzxb eax,[esp]\n" |
| "movsxw ebx,[esp]\n" |
| "movzxw ecx,[esp]\n" |
| "add esp,4\n" |
| "add ebx,ecx\n" |
| "add eax,ebx\n" |
| "pop ebx\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(Bitwise, assembler) { |
| __ movl(ECX, Immediate(42)); |
| __ xorl(ECX, ECX); |
| __ orl(ECX, Immediate(0x100)); |
| __ movl(EAX, Immediate(0x648)); |
| __ orl(ECX, EAX); // 0x748. |
| __ movl(EAX, Immediate(0xfff0)); |
| __ andl(ECX, EAX); // 0x740. |
| __ pushl(Immediate(0xF6FF)); |
| __ andl(ECX, Address(ESP, 0)); // 0x640. |
| __ popl(EAX); // Discard. |
| __ movl(EAX, Immediate(1)); |
| __ orl(ECX, EAX); // 0x641. |
| __ pushl(Immediate(0x7)); |
| __ orl(ECX, Address(ESP, 0)); // 0x647. |
| __ popl(EAX); // Discard. |
| __ xorl(ECX, Immediate(0)); // 0x647. |
| __ pushl(Immediate(0x1C)); |
| __ xorl(ECX, Address(ESP, 0)); // 0x65B. |
| __ popl(EAX); // Discard. |
| __ movl(EAX, Address(ESP, target::kWordSize)); |
| __ movl(EDX, Immediate(0xB0)); |
| __ orl(Address(EAX, 0), EDX); |
| __ movl(EAX, ECX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(Bitwise, test) { |
| typedef int (*Bitwise)(int* value); |
| int value = 0xA; |
| const int result = reinterpret_cast<Bitwise>(test->entry())(&value); |
| EXPECT_EQ(0x65B, result); |
| EXPECT_EQ(0xBA, value); |
| EXPECT_DISASSEMBLY( |
| "mov ecx,0x2a\n" |
| "xor ecx,ecx\n" |
| "or ecx,0x100\n" |
| "mov eax,0x648\n" |
| "or ecx,eax\n" |
| "mov eax,0xfff0\n" |
| "and ecx,eax\n" |
| "push 0xf6ff\n" |
| "and ecx,[esp]\n" |
| "pop eax\n" |
| "mov eax,1\n" |
| "or ecx,eax\n" |
| "push 7\n" |
| "or ecx,[esp]\n" |
| "pop eax\n" |
| "xor ecx,0\n" |
| "push 0x1c\n" |
| "xor ecx,[esp]\n" |
| "pop eax\n" |
| "mov eax,[esp+0x4]\n" |
| "mov edx,0xb0\n" |
| "or [eax],edx\n" |
| "mov eax,ecx\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(LogicalOps, assembler) { |
| Label donetest1; |
| __ movl(EAX, Immediate(4)); |
| __ andl(EAX, Immediate(2)); |
| __ cmpl(EAX, Immediate(0)); |
| __ j(EQUAL, &donetest1); |
| // Be sure to skip this crashing code. |
| __ movl(EAX, Immediate(0)); |
| __ movl(Address(EAX, 0), EAX); |
| __ Bind(&donetest1); |
| |
| Label donetest2; |
| __ movl(ECX, Immediate(4)); |
| __ andl(ECX, Immediate(4)); |
| __ cmpl(ECX, Immediate(0)); |
| __ j(NOT_EQUAL, &donetest2); |
| // Be sure to skip this crashing code. |
| __ movl(EAX, Immediate(0)); |
| __ movl(Address(EAX, 0), EAX); |
| __ Bind(&donetest2); |
| |
| Label donetest3; |
| __ movl(EAX, Immediate(0)); |
| __ orl(EAX, Immediate(0)); |
| __ cmpl(EAX, Immediate(0)); |
| __ j(EQUAL, &donetest3); |
| // Be sure to skip this crashing code. |
| __ movl(EAX, Immediate(0)); |
| __ movl(Address(EAX, 0), EAX); |
| __ Bind(&donetest3); |
| |
| Label donetest4; |
| __ movl(EAX, Immediate(4)); |
| __ orl(EAX, Immediate(0)); |
| __ cmpl(EAX, Immediate(0)); |
| __ j(NOT_EQUAL, &donetest4); |
| // Be sure to skip this crashing code. |
| __ movl(EAX, Immediate(0)); |
| __ movl(Address(EAX, 0), EAX); |
| __ Bind(&donetest4); |
| |
| Label donetest5; |
| __ movl(EAX, Immediate(1)); |
| __ shll(EAX, Immediate(1)); |
| __ cmpl(EAX, Immediate(2)); |
| __ j(EQUAL, &donetest5); |
| // Be sure to skip this crashing code. |
| __ movl(EAX, Immediate(0)); |
| __ movl(Address(EAX, 0), EAX); |
| __ Bind(&donetest5); |
| |
| Label donetest6; |
| __ movl(EAX, Immediate(1)); |
| __ shll(EAX, Immediate(3)); |
| __ cmpl(EAX, Immediate(8)); |
| __ j(EQUAL, &donetest6); |
| // Be sure to skip this crashing code. |
| __ movl(EAX, Immediate(0)); |
| __ movl(Address(EAX, 0), EAX); |
| __ Bind(&donetest6); |
| |
| Label donetest7; |
| __ movl(EAX, Immediate(2)); |
| __ shrl(EAX, Immediate(1)); |
| __ cmpl(EAX, Immediate(1)); |
| __ j(EQUAL, &donetest7); |
| // Be sure to skip this crashing code. |
| __ movl(EAX, Immediate(0)); |
| __ movl(Address(EAX, 0), EAX); |
| __ Bind(&donetest7); |
| |
| Label donetest8; |
| __ movl(EAX, Immediate(8)); |
| __ shrl(EAX, Immediate(3)); |
| __ cmpl(EAX, Immediate(1)); |
| __ j(EQUAL, &donetest8); |
| // Be sure to skip this crashing code. |
| __ movl(EAX, Immediate(0)); |
| __ movl(Address(EAX, 0), EAX); |
| __ Bind(&donetest8); |
| |
| Label donetest9; |
| __ movl(EAX, Immediate(1)); |
| __ movl(ECX, Immediate(3)); |
| __ shll(EAX, ECX); |
| __ cmpl(EAX, Immediate(8)); |
| __ j(EQUAL, &donetest9); |
| // Be sure to skip this crashing code. |
| __ movl(EAX, Immediate(0)); |
| __ movl(Address(EAX, 0), EAX); |
| __ Bind(&donetest9); |
| |
| Label donetest10; |
| __ movl(EAX, Immediate(8)); |
| __ movl(ECX, Immediate(3)); |
| __ shrl(EAX, ECX); |
| __ cmpl(EAX, Immediate(1)); |
| __ j(EQUAL, &donetest10); |
| // Be sure to skip this crashing code. |
| __ movl(EAX, Immediate(0)); |
| __ movl(Address(EAX, 0), EAX); |
| __ Bind(&donetest10); |
| |
| Label donetest11; |
| __ movl(EAX, Immediate(1)); |
| __ shll(EAX, Immediate(31)); |
| __ shrl(EAX, Immediate(3)); |
| __ cmpl(EAX, Immediate(0x10000000)); |
| __ j(EQUAL, &donetest11); |
| // Be sure to skip this crashing code. |
| __ movl(EAX, Immediate(0)); |
| __ movl(Address(EAX, 0), EAX); |
| __ Bind(&donetest11); |
| |
| Label donetest12; |
| __ movl(EAX, Immediate(1)); |
| __ shll(EAX, Immediate(31)); |
| __ sarl(EAX, Immediate(3)); |
| __ cmpl(EAX, Immediate(0xf0000000)); |
| __ j(EQUAL, &donetest12); |
| // Be sure to skip this crashing code. |
| __ movl(EAX, Immediate(0)); |
| __ movl(Address(EAX, 0), EAX); |
| __ Bind(&donetest12); |
| |
| Label donetest13; |
| __ movl(EAX, Immediate(1)); |
| __ movl(ECX, Immediate(3)); |
| __ shll(EAX, Immediate(31)); |
| __ sarl(EAX, ECX); |
| __ cmpl(EAX, Immediate(0xf0000000)); |
| __ j(EQUAL, &donetest13); |
| // Be sure to skip this crashing code. |
| __ movl(EAX, Immediate(0)); |
| __ movl(Address(EAX, 0), EAX); |
| __ Bind(&donetest13); |
| |
| Label donetest14; |
| __ subl(ESP, Immediate(target::kWordSize)); |
| __ movl(Address(ESP, 0), Immediate(0x80000000)); |
| __ movl(EAX, Immediate(0)); |
| __ movl(ECX, Immediate(3)); |
| __ sarl(Address(ESP, 0), ECX); |
| __ shrdl(Address(ESP, 0), EAX, ECX); |
| __ cmpl(Address(ESP, 0), Immediate(0x1e000000)); |
| __ j(EQUAL, &donetest14); |
| __ int3(); |
| __ Bind(&donetest14); |
| __ addl(ESP, Immediate(target::kWordSize)); |
| |
| Label donetest15; |
| __ subl(ESP, Immediate(target::kWordSize)); |
| __ movl(Address(ESP, 0), Immediate(0xFF000000)); |
| __ movl(EAX, Immediate(-1)); |
| __ movl(ECX, Immediate(2)); |
| __ shll(Address(ESP, 0), ECX); |
| __ shldl(Address(ESP, 0), EAX, ECX); |
| __ cmpl(Address(ESP, 0), Immediate(0xF0000003)); |
| __ j(EQUAL, &donetest15); |
| __ int3(); |
| __ Bind(&donetest15); |
| __ addl(ESP, Immediate(target::kWordSize)); |
| |
| Label donetest16; |
| __ movl(EDX, Immediate(0x80000000)); |
| __ movl(EAX, Immediate(0)); |
| __ movl(ECX, Immediate(3)); |
| __ sarl(EDX, Immediate(3)); |
| __ shrdl(EDX, EAX, Immediate(3)); |
| __ cmpl(EDX, Immediate(0x1e000000)); |
| __ j(EQUAL, &donetest16); |
| __ int3(); |
| __ Bind(&donetest16); |
| |
| Label donetest17; |
| __ movl(EDX, Immediate(0xFF000000)); |
| __ movl(EAX, Immediate(-1)); |
| __ shll(EDX, Immediate(2)); |
| __ shldl(EDX, EAX, Immediate(2)); |
| __ cmpl(EDX, Immediate(0xF0000003)); |
| __ j(EQUAL, &donetest17); |
| __ int3(); |
| __ Bind(&donetest17); |
| |
| __ movl(EAX, Immediate(0)); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(LogicalOps, test) { |
| typedef int (*LogicalOpsCode)(); |
| EXPECT_EQ(0, reinterpret_cast<LogicalOpsCode>(test->entry())()); |
| EXPECT_DISASSEMBLY( |
| "mov eax,4\n" |
| "and eax,2\n" |
| "cmp eax,0\n" |
| "jz +13\n" |
| "mov eax,0\n" |
| "mov [eax],eax\n" |
| "mov ecx,4\n" |
| "and ecx,4\n" |
| "cmp ecx,0\n" |
| "jnz +13\n" |
| "mov eax,0\n" |
| "mov [eax],eax\n" |
| "mov eax,0\n" |
| "or eax,0\n" |
| "cmp eax,0\n" |
| "jz +13\n" |
| "mov eax,0\n" |
| "mov [eax],eax\n" |
| "mov eax,4\n" |
| "or eax,0\n" |
| "cmp eax,0\n" |
| "jnz +13\n" |
| "mov eax,0\n" |
| "mov [eax],eax\n" |
| "mov eax,1\n" |
| "shl eax,1\n" |
| "cmp eax,2\n" |
| "jz +13\n" |
| "mov eax,0\n" |
| "mov [eax],eax\n" |
| "mov eax,1\n" |
| "shl eax,3\n" |
| "cmp eax,8\n" |
| "jz +13\n" |
| "mov eax,0\n" |
| "mov [eax],eax\n" |
| "mov eax,2\n" |
| "shr eax,1\n" |
| "cmp eax,1\n" |
| "jz +13\n" |
| "mov eax,0\n" |
| "mov [eax],eax\n" |
| "mov eax,8\n" |
| "shr eax,3\n" |
| "cmp eax,1\n" |
| "jz +13\n" |
| "mov eax,0\n" |
| "mov [eax],eax\n" |
| "mov eax,1\n" |
| "mov ecx,3\n" |
| "shl eax,cl\n" |
| "cmp eax,8\n" |
| "jz +13\n" |
| "mov eax,0\n" |
| "mov [eax],eax\n" |
| "mov eax,8\n" |
| "mov ecx,3\n" |
| "shr eax,cl\n" |
| "cmp eax,1\n" |
| "jz +13\n" |
| "mov eax,0\n" |
| "mov [eax],eax\n" |
| "mov eax,1\n" |
| "shl eax,31\n" |
| "shr eax,3\n" |
| "cmp eax,0x10000000\n" |
| "jz +13\n" |
| "mov eax,0\n" |
| "mov [eax],eax\n" |
| "mov eax,1\n" |
| "shl eax,31\n" |
| "sar eax,3\n" |
| "cmp eax,0xf0000000\n" |
| "jz +13\n" |
| "mov eax,0\n" |
| "mov [eax],eax\n" |
| "mov eax,1\n" |
| "mov ecx,3\n" |
| "shl eax,31\n" |
| "sar eax,cl\n" |
| "cmp eax,0xf0000000\n" |
| "jz +13\n" |
| "mov eax,0\n" |
| "mov [eax],eax\n" |
| "sub esp,4\n" |
| "mov [esp],-0x80000000\n" |
| "mov eax,0\n" |
| "mov ecx,3\n" |
| "sar [esp],cl\n" |
| "shrd [esp],eax,cl\n" |
| "cmp [esp],0x1e000000\n" |
| "jz +7\n" |
| "int3\n" |
| "add esp,4\n" |
| "sub esp,4\n" |
| "mov [esp],-0x01000000\n" |
| "mov eax,0xffffffff\n" |
| "mov ecx,2\n" |
| "shl [esp],cl\n" |
| "shld [esp],eax,cl\n" |
| "cmp [esp],0xf0000003\n" |
| "jz +7\n" |
| "int3\n" |
| "add esp,4\n" |
| "mov edx,0x80000000\n" |
| "mov eax,0\n" |
| "mov ecx,3\n" |
| "sar edx,3\n" |
| "shrd edx,eax,3\n" |
| "cmp edx,0x1e000000\n" |
| "jz +7\n" |
| "int3\n" |
| "mov edx,0xff000000\n" |
| "mov eax,0xffffffff\n" |
| "shl edx,2\n" |
| "shld edx,eax,2\n" |
| "cmp edx,0xf0000003\n" |
| "jz +7\n" |
| "int3\n" |
| "mov eax,0\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(LogicalTest, assembler) { |
| __ pushl(EBX); // save EBX. |
| Label donetest1; |
| __ movl(EAX, Immediate(4)); |
| __ movl(ECX, Immediate(2)); |
| __ testl(EAX, ECX); |
| __ j(EQUAL, &donetest1); |
| // Be sure to skip this crashing code. |
| __ movl(EAX, Immediate(0)); |
| __ movl(Address(EAX, 0), EAX); |
| __ Bind(&donetest1); |
| |
| Label donetest2; |
| __ movl(EDX, Immediate(4)); |
| __ movl(ECX, Immediate(4)); |
| __ testl(EDX, ECX); |
| __ j(NOT_EQUAL, &donetest2); |
| // Be sure to skip this crashing code. |
| __ movl(EAX, Immediate(0)); |
| __ movl(Address(EAX, 0), EAX); |
| __ Bind(&donetest2); |
| |
| Label donetest3; |
| __ movl(EAX, Immediate(0)); |
| __ testl(EAX, Immediate(0)); |
| __ j(EQUAL, &donetest3); |
| // Be sure to skip this crashing code. |
| __ movl(EAX, Immediate(0)); |
| __ movl(Address(EAX, 0), EAX); |
| __ Bind(&donetest3); |
| |
| Label donetest4; |
| __ movl(EBX, Immediate(4)); |
| __ testl(EBX, Immediate(4)); |
| __ j(NOT_EQUAL, &donetest4); |
| // Be sure to skip this crashing code. |
| __ movl(EAX, Immediate(0)); |
| __ movl(Address(EAX, 0), EAX); |
| __ Bind(&donetest4); |
| |
| Label donetest5; |
| __ movl(EBX, Immediate(0xff)); |
| __ testl(EBX, Immediate(0xff)); |
| __ j(NOT_EQUAL, &donetest5); |
| // Be sure to skip this crashing code. |
| __ movl(EAX, Immediate(0)); |
| __ movl(Address(EAX, 0), EAX); |
| __ Bind(&donetest5); |
| |
| __ movl(EAX, Immediate(0)); |
| __ popl(EBX); // restore EBX. |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(LogicalTest, test) { |
| typedef int (*LogicalTestCode)(); |
| EXPECT_EQ(0, reinterpret_cast<LogicalTestCode>(test->entry())()); |
| EXPECT_DISASSEMBLY( |
| "push ebx\n" |
| "mov eax,4\n" |
| "mov ecx,2\n" |
| "test eax,ecx\n" |
| "jz +13\n" |
| "mov eax,0\n" |
| "mov [eax],eax\n" |
| "mov edx,4\n" |
| "mov ecx,4\n" |
| "test edx,ecx\n" |
| "jnz +13\n" |
| "mov eax,0\n" |
| "mov [eax],eax\n" |
| "mov eax,0\n" |
| "test al,0\n" |
| "jz +13\n" |
| "mov eax,0\n" |
| "mov [eax],eax\n" |
| "mov ebx,4\n" |
| "testb ebx,4\n" |
| "jnz +13\n" |
| "mov eax,0\n" |
| "mov [eax],eax\n" |
| "mov ebx,0xff\n" |
| "testb ebx,0xff\n" |
| "jnz +13\n" |
| "mov eax,0\n" |
| "mov [eax],eax\n" |
| "mov eax,0\n" |
| "pop ebx\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(CompareSwapEQ, assembler) { |
| __ movl(EAX, Immediate(0)); |
| __ pushl(EAX); |
| __ movl(EAX, Immediate(4)); |
| __ movl(ECX, Immediate(0)); |
| __ movl(Address(ESP, 0), EAX); |
| __ LockCmpxchgl(Address(ESP, 0), ECX); |
| __ popl(EAX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(CompareSwapEQ, test) { |
| typedef int (*CompareSwapEQCode)(); |
| EXPECT_EQ(0, reinterpret_cast<CompareSwapEQCode>(test->entry())()); |
| EXPECT_DISASSEMBLY( |
| "mov eax,0\n" |
| "push eax\n" |
| "mov eax,4\n" |
| "mov ecx,0\n" |
| "mov [esp],eax\n" |
| "lock cmpxchg ecx,[esp]\n" |
| "pop eax\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(CompareSwapNEQ, assembler) { |
| __ movl(EAX, Immediate(0)); |
| __ pushl(EAX); |
| __ movl(EAX, Immediate(2)); |
| __ movl(ECX, Immediate(4)); |
| __ movl(Address(ESP, 0), ECX); |
| __ LockCmpxchgl(Address(ESP, 0), ECX); |
| __ popl(EAX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(CompareSwapNEQ, test) { |
| typedef int (*CompareSwapNEQCode)(); |
| EXPECT_EQ(4, reinterpret_cast<CompareSwapNEQCode>(test->entry())()); |
| EXPECT_DISASSEMBLY( |
| "mov eax,0\n" |
| "push eax\n" |
| "mov eax,2\n" |
| "mov ecx,4\n" |
| "mov [esp],ecx\n" |
| "lock cmpxchg ecx,[esp]\n" |
| "pop eax\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(SignedDivide, assembler) { |
| __ movl(EAX, Immediate(-87)); |
| __ movl(EDX, Immediate(123)); |
| __ cdq(); |
| __ movl(ECX, Immediate(42)); |
| __ idivl(ECX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(SignedDivide, test) { |
| typedef int (*SignedDivide)(); |
| EXPECT_EQ(-87 / 42, reinterpret_cast<SignedDivide>(test->entry())()); |
| EXPECT_DISASSEMBLY( |
| "mov eax,0xffffffa9\n" |
| "mov edx,0x7b\n" |
| "cdq\n" |
| "mov ecx,0x2a\n" |
| "idiv (eax,edx),ecx\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(UnsignedDivide, assembler) { |
| __ movl(EAX, Immediate(0xffffffbe)); |
| __ movl(EDX, Immediate(0x41)); |
| __ movl(ECX, Immediate(-1)); |
| __ divl(ECX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(UnsignedDivide, test) { |
| typedef int (*UnsignedDivide)(); |
| EXPECT_EQ(0x42, reinterpret_cast<UnsignedDivide>(test->entry())()); |
| EXPECT_DISASSEMBLY( |
| "mov eax,0xffffffbe\n" |
| "mov edx,0x41\n" |
| "mov ecx,0xffffffff\n" |
| "div (eax,edx),ecx\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(Exchange, assembler) { |
| __ movl(EAX, Immediate(123456789)); |
| __ movl(EDX, Immediate(987654321)); |
| __ xchgl(EAX, EDX); |
| __ subl(EAX, EDX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(Exchange, test) { |
| typedef int (*Exchange)(); |
| EXPECT_EQ(987654321 - 123456789, reinterpret_cast<Exchange>(test->entry())()); |
| EXPECT_DISASSEMBLY( |
| "mov eax,0x075bcd15\n" |
| "mov edx,0x3ade68b1\n" |
| "xchg eax,edx\n" |
| "sub eax,edx\n" |
| "ret\n"); |
| } |
| |
| static int ComputeStackSpaceReservation(int needed, int fixed) { |
| return (OS::ActivationFrameAlignment() > 1) |
| ? Utils::RoundUp(needed + fixed, OS::ActivationFrameAlignment()) - |
| fixed |
| : needed; |
| } |
| |
| static int LeafReturn42() { |
| return 42; |
| } |
| |
| static int LeafReturnArgument(int x) { |
| return x + 87; |
| } |
| |
| ASSEMBLER_TEST_GENERATE(CallSimpleLeaf, assembler) { |
| ExternalLabel call1(reinterpret_cast<uword>(LeafReturn42)); |
| ExternalLabel call2(reinterpret_cast<uword>(LeafReturnArgument)); |
| int space = ComputeStackSpaceReservation(0, 4); |
| __ AddImmediate(ESP, Immediate(-space)); |
| __ call(&call1); |
| __ AddImmediate(ESP, Immediate(space)); |
| space = ComputeStackSpaceReservation(4, 4); |
| __ AddImmediate(ESP, Immediate(-space)); |
| __ movl(Address(ESP, 0), EAX); |
| __ call(&call2); |
| __ AddImmediate(ESP, Immediate(space)); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(CallSimpleLeaf, test) { |
| typedef int (*CallSimpleLeafCode)(); |
| EXPECT_EQ(42 + 87, reinterpret_cast<CallSimpleLeafCode>(test->entry())()); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(JumpSimpleLeaf, assembler) { |
| ExternalLabel call1(reinterpret_cast<uword>(LeafReturn42)); |
| Label L; |
| int space = ComputeStackSpaceReservation(0, 4); |
| __ AddImmediate(ESP, Immediate(-space)); |
| __ call(&L); |
| __ AddImmediate(ESP, Immediate(space)); |
| __ ret(); |
| __ Bind(&L); |
| __ jmp(&call1); |
| } |
| |
| ASSEMBLER_TEST_RUN(JumpSimpleLeaf, test) { |
| typedef int (*JumpSimpleLeafCode)(); |
| EXPECT_EQ(42, reinterpret_cast<JumpSimpleLeafCode>(test->entry())()); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(JumpConditionalSimpleLeaf, assembler) { |
| ExternalLabel call1(reinterpret_cast<uword>(LeafReturn42)); |
| Label L; |
| int space = ComputeStackSpaceReservation(0, 4); |
| __ AddImmediate(ESP, Immediate(-space)); |
| __ call(&L); |
| __ AddImmediate(ESP, Immediate(space)); |
| __ ret(); |
| __ Bind(&L); |
| __ cmpl(EAX, EAX); |
| __ j(EQUAL, &call1); |
| __ int3(); |
| } |
| |
| ASSEMBLER_TEST_RUN(JumpConditionalSimpleLeaf, test) { |
| typedef int (*JumpConditionalSimpleLeafCode)(); |
| EXPECT_EQ(42, |
| reinterpret_cast<JumpConditionalSimpleLeafCode>(test->entry())()); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(SingleFPMoves, assembler) { |
| __ movl(EAX, Immediate(bit_cast<int32_t, float>(234.0f))); |
| __ movd(XMM0, EAX); |
| __ movss(XMM1, XMM0); |
| __ movss(XMM2, XMM1); |
| __ movss(XMM3, XMM2); |
| __ movss(XMM4, XMM3); |
| __ movss(XMM5, XMM4); |
| __ movss(XMM6, XMM5); |
| __ movss(XMM7, XMM6); |
| __ pushl(EAX); |
| __ movl(Address(ESP, 0), Immediate(0)); |
| __ movss(Address(ESP, 0), XMM7); |
| __ flds(Address(ESP, 0)); |
| __ popl(EAX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(SingleFPMoves, test) { |
| typedef float (*SingleFPMovesCode)(); |
| float res = reinterpret_cast<SingleFPMovesCode>(test->entry())(); |
| EXPECT_EQ(234.0f, res); |
| EXPECT_DISASSEMBLY( |
| "mov eax,0x436a0000\n" |
| "movd xmm0,eax\n" |
| "movss ecx,xmm0\n" |
| "movss edx,xmm1\n" |
| "movss ebx,xmm2\n" |
| "movss esp,xmm3\n" |
| "movss ebp,xmm4\n" |
| "movss esi,xmm5\n" |
| "movss edi,xmm6\n" |
| "push eax\n" |
| "mov [esp],0\n" |
| "movss [esp],xmm7\n" |
| "fld_s [esp]\n" |
| "pop eax\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(SingleFPMoves2, assembler) { |
| __ pushl(EBX); // preserve EBX. |
| __ pushl(ECX); // preserve ECX. |
| __ movl(EBX, Immediate(bit_cast<int32_t, float>(234.0f))); |
| __ movd(XMM0, EBX); |
| __ movss(XMM1, XMM0); |
| __ movd(ECX, XMM1); |
| __ pushl(ECX); |
| __ flds(Address(ESP, 0)); |
| __ popl(EAX); |
| __ popl(ECX); |
| __ popl(EBX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(SingleFPMoves2, test) { |
| typedef float (*SingleFPMoves2Code)(); |
| float res = reinterpret_cast<SingleFPMoves2Code>(test->entry())(); |
| EXPECT_EQ(234.0f, res); |
| EXPECT_DISASSEMBLY( |
| "push ebx\n" |
| "push ecx\n" |
| "mov ebx,0x436a0000\n" |
| "movd xmm0,ebx\n" |
| "movss ecx,xmm0\n" |
| "movd ecx,xmm1\n" |
| "push ecx\n" |
| "fld_s [esp]\n" |
| "pop eax\n" |
| "pop ecx\n" |
| "pop ebx\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(SingleFPUStackMoves, assembler) { |
| __ movl(EAX, Immediate(1131020288)); // 234.0f |
| __ pushl(EAX); |
| __ flds(Address(ESP, 0)); |
| __ xorl(ECX, ECX); |
| __ pushl(ECX); |
| __ fstps(Address(ESP, 0)); |
| __ popl(EAX); |
| __ popl(ECX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(SingleFPUStackMoves, test) { |
| typedef int (*SingleFPUStackMovesCode)(); |
| int res = reinterpret_cast<SingleFPUStackMovesCode>(test->entry())(); |
| EXPECT_EQ(234.0f, (bit_cast<float, int>(res))); |
| EXPECT_DISASSEMBLY( |
| "mov eax,0x436a0000\n" |
| "push eax\n" |
| "fld_s [esp]\n" |
| "xor ecx,ecx\n" |
| "push ecx\n" |
| "fstp_s [esp]\n" |
| "pop eax\n" |
| "pop ecx\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(SingleFPOperations, assembler) { |
| __ movl(EAX, Immediate(bit_cast<int32_t, float>(12.3f))); |
| __ movd(XMM0, EAX); |
| __ movl(EAX, Immediate(bit_cast<int32_t, float>(3.4f))); |
| __ movd(XMM1, EAX); |
| __ addss(XMM0, XMM1); // 15.7f |
| __ mulss(XMM0, XMM1); // 53.38f |
| __ subss(XMM0, XMM1); // 49.98f |
| __ divss(XMM0, XMM1); // 14.7f |
| __ pushl(EAX); |
| __ movss(Address(ESP, 0), XMM0); |
| __ flds(Address(ESP, 0)); |
| __ popl(EAX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(SingleFPOperations, test) { |
| typedef float (*SingleFPOperationsCode)(); |
| float res = reinterpret_cast<SingleFPOperationsCode>(test->entry())(); |
| EXPECT_FLOAT_EQ(14.7f, res, 0.001f); |
| EXPECT_DISASSEMBLY( |
| "mov eax,0x4144cccd\n" |
| "movd xmm0,eax\n" |
| "mov eax,0x4059999a\n" |
| "movd xmm1,eax\n" |
| "addss xmm0,xmm1\n" |
| "mulss xmm0,xmm1\n" |
| "subss xmm0,xmm1\n" |
| "divss xmm0,xmm1\n" |
| "push eax\n" |
| "movss [esp],xmm0\n" |
| "fld_s [esp]\n" |
| "pop eax\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(PackedFPOperations, assembler) { |
| __ movl(EAX, Immediate(bit_cast<int32_t, float>(12.3f))); |
| __ movd(XMM0, EAX); |
| __ shufps(XMM0, XMM0, Immediate(0x0)); |
| __ movl(EAX, Immediate(bit_cast<int32_t, float>(3.4f))); |
| __ movd(XMM1, EAX); |
| __ shufps(XMM1, XMM1, Immediate(0x0)); |
| __ addps(XMM0, XMM1); // 15.7f |
| __ mulps(XMM0, XMM1); // 53.38f |
| __ subps(XMM0, XMM1); // 49.98f |
| __ divps(XMM0, XMM1); // 14.7f |
| __ shufps(XMM0, XMM0, Immediate(0x55)); // Copy second lane into all 4 lanes. |
| __ pushl(EAX); |
| // Copy the low lane at ESP. |
| __ movss(Address(ESP, 0), XMM0); |
| __ flds(Address(ESP, 0)); |
| __ popl(EAX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(PackedFPOperations, test) { |
| typedef float (*PackedFPOperationsCode)(); |
| float res = reinterpret_cast<PackedFPOperationsCode>(test->entry())(); |
| EXPECT_FLOAT_EQ(14.7f, res, 0.001f); |
| EXPECT_DISASSEMBLY( |
| "mov eax,0x4144cccd\n" |
| "movd xmm0,eax\n" |
| "shufps xmm0,xmm0 [0]\n" |
| "mov eax,0x4059999a\n" |
| "movd xmm1,eax\n" |
| "shufps xmm1,xmm1 [0]\n" |
| "addps xmm0,xmm1\n" |
| "mulps xmm0,xmm1\n" |
| "subps xmm0,xmm1\n" |
| "divps xmm0,xmm1\n" |
| "shufps xmm0,xmm0 [55]\n" |
| "push eax\n" |
| "movss [esp],xmm0\n" |
| "fld_s [esp]\n" |
| "pop eax\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(PackedIntOperations, assembler) { |
| __ movl(EAX, Immediate(0x2)); |
| __ movd(XMM0, EAX); |
| __ shufps(XMM0, XMM0, Immediate(0x0)); |
| __ movl(EAX, Immediate(0x1)); |
| __ movd(XMM1, EAX); |
| __ shufps(XMM1, XMM1, Immediate(0x0)); |
| __ addpl(XMM0, XMM1); // 0x3 |
| __ addpl(XMM0, XMM0); // 0x6 |
| __ subpl(XMM0, XMM1); // 0x5 |
| // Copy the low lane at ESP. |
| __ pushl(EAX); |
| __ movss(Address(ESP, 0), XMM0); |
| __ popl(EAX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(PackedIntOperations, test) { |
| typedef uint32_t (*PackedIntOperationsCode)(); |
| uint32_t res = reinterpret_cast<PackedIntOperationsCode>(test->entry())(); |
| EXPECT_EQ(static_cast<uword>(0x5), res); |
| EXPECT_DISASSEMBLY( |
| "mov eax,2\n" |
| "movd xmm0,eax\n" |
| "shufps xmm0,xmm0 [0]\n" |
| "mov eax,1\n" |
| "movd xmm1,eax\n" |
| "shufps xmm1,xmm1 [0]\n" |
| "paddd xmm0,xmm1\n" |
| "paddd xmm0,xmm0\n" |
| "psubd xmm0,xmm1\n" |
| "push eax\n" |
| "movss [esp],xmm0\n" |
| "pop eax\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(PackedFPOperations2, assembler) { |
| __ movl(EAX, Immediate(bit_cast<int32_t, float>(4.0f))); |
| __ movd(XMM0, EAX); |
| __ shufps(XMM0, XMM0, Immediate(0x0)); |
| |
| __ movaps(XMM1, XMM0); // Copy XMM0 |
| __ reciprocalps(XMM1); // 0.25 |
| __ sqrtps(XMM1); // 0.5 |
| __ rsqrtps(XMM0); // ~0.5 |
| __ subps(XMM0, XMM1); // ~0.0 |
| __ shufps(XMM0, XMM0, Immediate(0x00)); // Copy second lane into all 4 lanes. |
| __ pushl(EAX); |
| // Copy the low lane at ESP. |
| __ movss(Address(ESP, 0), XMM0); |
| __ flds(Address(ESP, 0)); |
| __ popl(EAX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(PackedFPOperations2, test) { |
| typedef float (*PackedFPOperations2Code)(); |
| float res = reinterpret_cast<PackedFPOperations2Code>(test->entry())(); |
| EXPECT_FLOAT_EQ(0.0f, res, 0.001f); |
| EXPECT_DISASSEMBLY( |
| "mov eax,0x40800000\n" |
| "movd xmm0,eax\n" |
| "shufps xmm0,xmm0 [0]\n" |
| "movaps xmm1,xmm0\n" |
| "rcpps xmm1,xmm1\n" |
| "sqrtps xmm1,xmm1\n" |
| "rsqrtps xmm0,xmm0\n" |
| "subps xmm0,xmm1\n" |
| "shufps xmm0,xmm0 [0]\n" |
| "push eax\n" |
| "movss [esp],xmm0\n" |
| "fld_s [esp]\n" |
| "pop eax\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(PackedCompareEQ, assembler) { |
| __ set1ps(XMM0, EAX, Immediate(bit_cast<int32_t, float>(2.0f))); |
| __ set1ps(XMM1, EAX, Immediate(bit_cast<int32_t, float>(4.0f))); |
| __ cmppseq(XMM0, XMM1); |
| // Copy the low lane at ESP. |
| __ pushl(EAX); |
| __ movss(Address(ESP, 0), XMM0); |
| __ flds(Address(ESP, 0)); |
| __ popl(EAX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(PackedCompareEQ, test) { |
| typedef uint32_t (*PackedCompareEQCode)(); |
| uint32_t res = reinterpret_cast<PackedCompareEQCode>(test->entry())(); |
| EXPECT_EQ(static_cast<uword>(0x0), res); |
| EXPECT_DISASSEMBLY( |
| "mov eax,0x40000000\n" |
| "movd xmm0,eax\n" |
| "shufps xmm0,xmm0 [0]\n" |
| "mov eax,0x40800000\n" |
| "movd xmm1,eax\n" |
| "shufps xmm1,xmm1 [0]\n" |
| "cmpps xmm0,xmm1 [eq]\n" |
| "push eax\n" |
| "movss [esp],xmm0\n" |
| "fld_s [esp]\n" |
| "pop eax\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(PackedCompareNEQ, assembler) { |
| __ set1ps(XMM0, EAX, Immediate(bit_cast<int32_t, float>(2.0f))); |
| __ set1ps(XMM1, EAX, Immediate(bit_cast<int32_t, float>(4.0f))); |
| __ cmppsneq(XMM0, XMM1); |
| // Copy the low lane at ESP. |
| __ pushl(EAX); |
| __ movss(Address(ESP, 0), XMM0); |
| __ flds(Address(ESP, 0)); |
| __ popl(EAX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(PackedCompareNEQ, test) { |
| typedef uint32_t (*PackedCompareNEQCode)(); |
| uint32_t res = reinterpret_cast<PackedCompareNEQCode>(test->entry())(); |
| EXPECT_EQ(static_cast<uword>(0xFFFFFFFF), res); |
| EXPECT_DISASSEMBLY( |
| "mov eax,0x40000000\n" |
| "movd xmm0,eax\n" |
| "shufps xmm0,xmm0 [0]\n" |
| "mov eax,0x40800000\n" |
| "movd xmm1,eax\n" |
| "shufps xmm1,xmm1 [0]\n" |
| "cmpps xmm0,xmm1 [neq]\n" |
| "push eax\n" |
| "movss [esp],xmm0\n" |
| "fld_s [esp]\n" |
| "pop eax\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(PackedCompareLT, assembler) { |
| __ set1ps(XMM0, EAX, Immediate(bit_cast<int32_t, float>(2.0f))); |
| __ set1ps(XMM1, EAX, Immediate(bit_cast<int32_t, float>(4.0f))); |
| __ cmppslt(XMM0, XMM1); |
| // Copy the low lane at ESP. |
| __ pushl(EAX); |
| __ movss(Address(ESP, 0), XMM0); |
| __ flds(Address(ESP, 0)); |
| __ popl(EAX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(PackedCompareLT, test) { |
| typedef uint32_t (*PackedCompareLTCode)(); |
| uint32_t res = reinterpret_cast<PackedCompareLTCode>(test->entry())(); |
| EXPECT_EQ(static_cast<uword>(0xFFFFFFFF), res); |
| EXPECT_DISASSEMBLY( |
| "mov eax,0x40000000\n" |
| "movd xmm0,eax\n" |
| "shufps xmm0,xmm0 [0]\n" |
| "mov eax,0x40800000\n" |
| "movd xmm1,eax\n" |
| "shufps xmm1,xmm1 [0]\n" |
| "cmpps xmm0,xmm1 [lt]\n" |
| "push eax\n" |
| "movss [esp],xmm0\n" |
| "fld_s [esp]\n" |
| "pop eax\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(PackedCompareLE, assembler) { |
| __ set1ps(XMM0, EAX, Immediate(bit_cast<int32_t, float>(2.0f))); |
| __ set1ps(XMM1, EAX, Immediate(bit_cast<int32_t, float>(4.0f))); |
| __ cmppsle(XMM0, XMM1); |
| // Copy the low lane at ESP. |
| __ pushl(EAX); |
| __ movss(Address(ESP, 0), XMM0); |
| __ flds(Address(ESP, 0)); |
| __ popl(EAX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(PackedCompareLE, test) { |
| typedef uint32_t (*PackedCompareLECode)(); |
| uint32_t res = reinterpret_cast<PackedCompareLECode>(test->entry())(); |
| EXPECT_EQ(static_cast<uword>(0xFFFFFFFF), res); |
| EXPECT_DISASSEMBLY( |
| "mov eax,0x40000000\n" |
| "movd xmm0,eax\n" |
| "shufps xmm0,xmm0 [0]\n" |
| "mov eax,0x40800000\n" |
| "movd xmm1,eax\n" |
| "shufps xmm1,xmm1 [0]\n" |
| "cmpps xmm0,xmm1 [le]\n" |
| "push eax\n" |
| "movss [esp],xmm0\n" |
| "fld_s [esp]\n" |
| "pop eax\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(PackedCompareNLT, assembler) { |
| __ set1ps(XMM0, EAX, Immediate(bit_cast<int32_t, float>(2.0f))); |
| __ set1ps(XMM1, EAX, Immediate(bit_cast<int32_t, float>(4.0f))); |
| __ cmppsnlt(XMM0, XMM1); |
| // Copy the low lane at ESP. |
| __ pushl(EAX); |
| __ movss(Address(ESP, 0), XMM0); |
| __ flds(Address(ESP, 0)); |
| __ popl(EAX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(PackedCompareNLT, test) { |
| typedef uint32_t (*PackedCompareNLTCode)(); |
| uint32_t res = reinterpret_cast<PackedCompareNLTCode>(test->entry())(); |
| EXPECT_EQ(static_cast<uword>(0x0), res); |
| EXPECT_DISASSEMBLY( |
| "mov eax,0x40000000\n" |
| "movd xmm0,eax\n" |
| "shufps xmm0,xmm0 [0]\n" |
| "mov eax,0x40800000\n" |
| "movd xmm1,eax\n" |
| "shufps xmm1,xmm1 [0]\n" |
| "cmpps xmm0,xmm1 [nlt]\n" |
| "push eax\n" |
| "movss [esp],xmm0\n" |
| "fld_s [esp]\n" |
| "pop eax\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(PackedCompareNLE, assembler) { |
| __ set1ps(XMM0, EAX, Immediate(bit_cast<int32_t, float>(2.0f))); |
| __ set1ps(XMM1, EAX, Immediate(bit_cast<int32_t, float>(4.0f))); |
| __ cmppsnle(XMM0, XMM1); |
| // Copy the low lane at ESP. |
| __ pushl(EAX); |
| __ movss(Address(ESP, 0), XMM0); |
| __ flds(Address(ESP, 0)); |
| __ popl(EAX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(PackedCompareNLE, test) { |
| typedef uint32_t (*PackedCompareNLECode)(); |
| uint32_t res = reinterpret_cast<PackedCompareNLECode>(test->entry())(); |
| EXPECT_EQ(static_cast<uword>(0x0), res); |
| EXPECT_DISASSEMBLY( |
| "mov eax,0x40000000\n" |
| "movd xmm0,eax\n" |
| "shufps xmm0,xmm0 [0]\n" |
| "mov eax,0x40800000\n" |
| "movd xmm1,eax\n" |
| "shufps xmm1,xmm1 [0]\n" |
| "cmpps xmm0,xmm1 [nle]\n" |
| "push eax\n" |
| "movss [esp],xmm0\n" |
| "fld_s [esp]\n" |
| "pop eax\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(PackedNegate, assembler) { |
| __ movl(EAX, Immediate(bit_cast<int32_t, float>(12.3f))); |
| __ movd(XMM0, EAX); |
| __ shufps(XMM0, XMM0, Immediate(0x0)); |
| __ negateps(XMM0); |
| __ shufps(XMM0, XMM0, Immediate(0xAA)); // Copy third lane into all 4 lanes. |
| __ pushl(EAX); |
| // Copy the low lane at ESP. |
| __ movss(Address(ESP, 0), XMM0); |
| __ flds(Address(ESP, 0)); |
| __ popl(EAX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(PackedNegate, test) { |
| typedef float (*PackedNegateCode)(); |
| float res = reinterpret_cast<PackedNegateCode>(test->entry())(); |
| EXPECT_FLOAT_EQ(-12.3f, res, 0.001f); |
| EXPECT_DISASSEMBLY( |
| "mov eax,0x4144cccd\n" |
| "movd xmm0,eax\n" |
| "shufps xmm0,xmm0 [0]\n" |
| "xorps xmm0,[0x.......]\n" |
| "shufps xmm0,xmm0 [aa]\n" |
| "push eax\n" |
| "movss [esp],xmm0\n" |
| "fld_s [esp]\n" |
| "pop eax\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(PackedAbsolute, assembler) { |
| __ movl(EAX, Immediate(bit_cast<int32_t, float>(-15.3f))); |
| __ movd(XMM0, EAX); |
| __ shufps(XMM0, XMM0, Immediate(0x0)); |
| __ absps(XMM0); |
| __ shufps(XMM0, XMM0, Immediate(0xAA)); // Copy third lane into all 4 lanes. |
| // Copy the low lane at ESP. |
| __ pushl(EAX); |
| __ movss(Address(ESP, 0), XMM0); |
| __ flds(Address(ESP, 0)); |
| __ popl(EAX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(PackedAbsolute, test) { |
| typedef float (*PackedAbsoluteCode)(); |
| float res = reinterpret_cast<PackedAbsoluteCode>(test->entry())(); |
| EXPECT_FLOAT_EQ(15.3f, res, 0.001f); |
| EXPECT_DISASSEMBLY( |
| "mov eax,0xc174cccd\n" |
| "movd xmm0,eax\n" |
| "shufps xmm0,xmm0 [0]\n" |
| "andps xmm0,[0x.......]\n" |
| "shufps xmm0,xmm0 [aa]\n" |
| "push eax\n" |
| "movss [esp],xmm0\n" |
| "fld_s [esp]\n" |
| "pop eax\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(PackedSetWZero, assembler) { |
| __ set1ps(XMM0, EAX, Immediate(bit_cast<int32_t, float>(12.3f))); |
| __ zerowps(XMM0); |
| __ shufps(XMM0, XMM0, Immediate(0xFF)); // Copy the W lane which is now 0.0. |
| // Copy the low lane at ESP. |
| __ pushl(EAX); |
| __ movss(Address(ESP, 0), XMM0); |
| __ flds(Address(ESP, 0)); |
| __ popl(EAX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(PackedSetWZero, test) { |
| typedef float (*PackedSetWZeroCode)(); |
| float res = reinterpret_cast<PackedSetWZeroCode>(test->entry())(); |
| EXPECT_FLOAT_EQ(0.0f, res, 0.001f); |
| EXPECT_DISASSEMBLY( |
| "mov eax,0x4144cccd\n" |
| "movd xmm0,eax\n" |
| "shufps xmm0,xmm0 [0]\n" |
| "andps xmm0,[0x.......]\n" |
| "shufps xmm0,xmm0 [ff]\n" |
| "push eax\n" |
| "movss [esp],xmm0\n" |
| "fld_s [esp]\n" |
| "pop eax\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(PackedMin, assembler) { |
| __ set1ps(XMM0, EAX, Immediate(bit_cast<int32_t, float>(2.0f))); |
| __ set1ps(XMM1, EAX, Immediate(bit_cast<int32_t, float>(4.0f))); |
| __ minps(XMM0, XMM1); |
| // Copy the low lane at ESP. |
| __ pushl(EAX); |
| __ movss(Address(ESP, 0), XMM0); |
| __ flds(Address(ESP, 0)); |
| __ popl(EAX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(PackedMin, test) { |
| typedef float (*PackedMinCode)(); |
| float res = reinterpret_cast<PackedMinCode>(test->entry())(); |
| EXPECT_FLOAT_EQ(2.0f, res, 0.001f); |
| EXPECT_DISASSEMBLY( |
| "mov eax,0x40000000\n" |
| "movd xmm0,eax\n" |
| "shufps xmm0,xmm0 [0]\n" |
| "mov eax,0x40800000\n" |
| "movd xmm1,eax\n" |
| "shufps xmm1,xmm1 [0]\n" |
| "minps xmm0,xmm1\n" |
| "push eax\n" |
| "movss [esp],xmm0\n" |
| "fld_s [esp]\n" |
| "pop eax\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(PackedMax, assembler) { |
| __ set1ps(XMM0, EAX, Immediate(bit_cast<int32_t, float>(2.0f))); |
| __ set1ps(XMM1, EAX, Immediate(bit_cast<int32_t, float>(4.0f))); |
| __ maxps(XMM0, XMM1); |
| // Copy the low lane at ESP. |
| __ pushl(EAX); |
| __ movss(Address(ESP, 0), XMM0); |
| __ flds(Address(ESP, 0)); |
| __ popl(EAX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(PackedMax, test) { |
| typedef float (*PackedMaxCode)(); |
| float res = reinterpret_cast<PackedMaxCode>(test->entry())(); |
| EXPECT_FLOAT_EQ(4.0f, res, 0.001f); |
| EXPECT_DISASSEMBLY( |
| "mov eax,0x40000000\n" |
| "movd xmm0,eax\n" |
| "shufps xmm0,xmm0 [0]\n" |
| "mov eax,0x40800000\n" |
| "movd xmm1,eax\n" |
| "shufps xmm1,xmm1 [0]\n" |
| "maxps xmm0,xmm1\n" |
| "push eax\n" |
| "movss [esp],xmm0\n" |
| "fld_s [esp]\n" |
| "pop eax\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(PackedLogicalOr, assembler) { |
| static const struct ALIGN16 { |
| uint32_t a; |
| uint32_t b; |
| uint32_t c; |
| uint32_t d; |
| } constant1 = {0xF0F0F0F0, 0xF0F0F0F0, 0xF0F0F0F0, 0xF0F0F0F0}; |
| static const struct ALIGN16 { |
| uint32_t a; |
| uint32_t b; |
| uint32_t c; |
| uint32_t d; |
| } constant2 = {0x0F0F0F0F, 0x0F0F0F0F, 0x0F0F0F0F, 0x0F0F0F0F}; |
| __ movups(XMM0, Address::Absolute(reinterpret_cast<uword>(&constant1))); |
| __ movups(XMM1, Address::Absolute(reinterpret_cast<uword>(&constant2))); |
| __ orps(XMM0, XMM1); |
| // Copy the low lane at ESP. |
| __ pushl(EAX); |
| __ movss(Address(ESP, 0), XMM0); |
| __ flds(Address(ESP, 0)); |
| __ popl(EAX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(PackedLogicalOr, test) { |
| typedef uint32_t (*PackedLogicalOrCode)(); |
| uint32_t res = reinterpret_cast<PackedLogicalOrCode>(test->entry())(); |
| EXPECT_EQ(0xFFFFFFFF, res); |
| EXPECT_DISASSEMBLY( |
| "movups xmm0,[0x.......]\n" |
| "movups xmm1,[0x.......]\n" |
| "orps xmm0,xmm1\n" |
| "push eax\n" |
| "movss [esp],xmm0\n" |
| "fld_s [esp]\n" |
| "pop eax\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(PackedLogicalAnd, assembler) { |
| static const struct ALIGN16 { |
| uint32_t a; |
| uint32_t b; |
| uint32_t c; |
| uint32_t d; |
| } constant1 = {0xF0F0F0F0, 0xF0F0F0F0, 0xF0F0F0F0, 0xF0F0F0F0}; |
| static const struct ALIGN16 { |
| uint32_t a; |
| uint32_t b; |
| uint32_t c; |
| uint32_t d; |
| } constant2 = {0x0F0FFF0F, 0x0F0F0F0F, 0x0F0F0F0F, 0x0F0F0F0F}; |
| __ movups(XMM0, Address::Absolute(reinterpret_cast<uword>(&constant1))); |
| __ andps(XMM0, Address::Absolute(reinterpret_cast<uword>(&constant2))); |
| // Copy the low lane at ESP. |
| __ pushl(EAX); |
| __ movss(Address(ESP, 0), XMM0); |
| __ flds(Address(ESP, 0)); |
| __ popl(EAX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(PackedLogicalAnd, test) { |
| typedef uint32_t (*PackedLogicalAndCode)(); |
| uint32_t res = reinterpret_cast<PackedLogicalAndCode>(test->entry())(); |
| EXPECT_EQ(static_cast<uword>(0x0000F000), res); |
| EXPECT_DISASSEMBLY( |
| "movups xmm0,[0x.......]\n" |
| "andps xmm0,[0x.......]\n" |
| "push eax\n" |
| "movss [esp],xmm0\n" |
| "fld_s [esp]\n" |
| "pop eax\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(PackedLogicalNot, assembler) { |
| static const struct ALIGN16 { |
| uint32_t a; |
| uint32_t b; |
| uint32_t c; |
| uint32_t d; |
| } constant1 = {0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF}; |
| __ movups(XMM0, Address::Absolute(reinterpret_cast<uword>(&constant1))); |
| __ notps(XMM0); |
| // Copy the low lane at ESP. |
| __ pushl(EAX); |
| __ movss(Address(ESP, 0), XMM0); |
| __ flds(Address(ESP, 0)); |
| __ popl(EAX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(PackedLogicalNot, test) { |
| typedef uint32_t (*PackedLogicalNotCode)(); |
| uint32_t res = reinterpret_cast<PackedLogicalNotCode>(test->entry())(); |
| EXPECT_EQ(static_cast<uword>(0x0), res); |
| EXPECT_DISASSEMBLY( |
| "movups xmm0,[0x.......]\n" |
| "xorps xmm0,[0x.......]\n" |
| "push eax\n" |
| "movss [esp],xmm0\n" |
| "fld_s [esp]\n" |
| "pop eax\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(PackedMoveHighLow, assembler) { |
| static const struct ALIGN16 { |
| float a; |
| float b; |
| float c; |
| float d; |
| } constant0 = {1.0, 2.0, 3.0, 4.0}; |
| static const struct ALIGN16 { |
| float a; |
| float b; |
| float c; |
| float d; |
| } constant1 = {5.0, 6.0, 7.0, 8.0}; |
| // XMM0 = 1.0f, 2.0f, 3.0f, 4.0f. |
| __ movups(XMM0, Address::Absolute(reinterpret_cast<uword>(&constant0))); |
| // XMM1 = 5.0f, 6.0f, 7.0f, 8.0f. |
| __ movups(XMM1, Address::Absolute(reinterpret_cast<uword>(&constant1))); |
| // XMM0 = 7.0f, 8.0f, 3.0f, 4.0f. |
| __ movhlps(XMM0, XMM1); |
| __ xorps(XMM1, XMM1); |
| // XMM1 = 7.0f, 8.0f, 3.0f, 4.0f. |
| __ movaps(XMM1, XMM0); |
| __ shufps(XMM0, XMM0, Immediate(0x00)); // 7.0f. |
| __ shufps(XMM1, XMM1, Immediate(0x55)); // 8.0f. |
| __ addss(XMM0, XMM1); // 15.0f. |
| __ pushl(EAX); |
| __ movss(Address(ESP, 0), XMM0); |
| __ flds(Address(ESP, 0)); |
| __ popl(EAX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(PackedMoveHighLow, test) { |
| typedef float (*PackedMoveHighLow)(); |
| float res = reinterpret_cast<PackedMoveHighLow>(test->entry())(); |
| EXPECT_FLOAT_EQ(15.0f, res, 0.001f); |
| EXPECT_DISASSEMBLY( |
| "movups xmm0,[0x.......]\n" |
| "movups xmm1,[0x.......]\n" |
| "movhlps xmm0,xmm1\n" |
| "xorps xmm1,xmm1\n" |
| "movaps xmm1,xmm0\n" |
| "shufps xmm0,xmm0 [0]\n" |
| "shufps xmm1,xmm1 [55]\n" |
| "addss xmm0,xmm1\n" |
| "push eax\n" |
| "movss [esp],xmm0\n" |
| "fld_s [esp]\n" |
| "pop eax\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(PackedMoveLowHigh, assembler) { |
| static const struct ALIGN16 { |
| float a; |
| float b; |
| float c; |
| float d; |
| } constant0 = {1.0, 2.0, 3.0, 4.0}; |
| static const struct ALIGN16 { |
| float a; |
| float b; |
| float c; |
| float d; |
| } constant1 = {5.0, 6.0, 7.0, 8.0}; |
| // XMM0 = 1.0f, 2.0f, 3.0f, 4.0f. |
| __ movups(XMM0, Address::Absolute(reinterpret_cast<uword>(&constant0))); |
| // XMM1 = 5.0f, 6.0f, 7.0f, 8.0f. |
| __ movups(XMM1, Address::Absolute(reinterpret_cast<uword>(&constant1))); |
| // XMM0 = 1.0f, 2.0f, 5.0f, 6.0f |
| __ movlhps(XMM0, XMM1); |
| __ xorps(XMM1, XMM1); |
| // XMM1 = 1.0f, 2.0f, 5.0f, 6.0f |
| __ movaps(XMM1, XMM0); |
| __ shufps(XMM0, XMM0, Immediate(0xAA)); // 5.0f. |
| __ shufps(XMM1, XMM1, Immediate(0xFF)); // 6.0f. |
| __ addss(XMM0, XMM1); // 11.0f. |
| __ pushl(EAX); |
| __ movss(Address(ESP, 0), XMM0); |
| __ flds(Address(ESP, 0)); |
| __ popl(EAX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(PackedMoveLowHigh, test) { |
| typedef float (*PackedMoveLowHigh)(); |
| float res = reinterpret_cast<PackedMoveLowHigh>(test->entry())(); |
| EXPECT_FLOAT_EQ(11.0f, res, 0.001f); |
| EXPECT_DISASSEMBLY( |
| "movups xmm0,[0x.......]\n" |
| "movups xmm1,[0x.......]\n" |
| "movlhps xmm0,xmm1\n" |
| "xorps xmm1,xmm1\n" |
| "movaps xmm1,xmm0\n" |
| "shufps xmm0,xmm0 [aa]\n" |
| "shufps xmm1,xmm1 [ff]\n" |
| "addss xmm0,xmm1\n" |
| "push eax\n" |
| "movss [esp],xmm0\n" |
| "fld_s [esp]\n" |
| "pop eax\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(PackedUnpackLow, assembler) { |
| static const struct ALIGN16 { |
| float a; |
| float b; |
| float c; |
| float d; |
| } constant0 = {1.0, 2.0, 3.0, 4.0}; |
| static const struct ALIGN16 { |
| float a; |
| float b; |
| float c; |
| float d; |
| } constant1 = {5.0, 6.0, 7.0, 8.0}; |
| // XMM0 = 1.0f, 2.0f, 3.0f, 4.0f. |
| __ movups(XMM0, Address::Absolute(reinterpret_cast<uword>(&constant0))); |
| // XMM1 = 5.0f, 6.0f, 7.0f, 8.0f. |
| __ movups(XMM1, Address::Absolute(reinterpret_cast<uword>(&constant1))); |
| // XMM0 = 1.0f, 5.0f, 2.0f, 6.0f. |
| __ unpcklps(XMM0, XMM1); |
| // XMM1 = 1.0f, 5.0f, 2.0f, 6.0f. |
| __ movaps(XMM1, XMM0); |
| __ shufps(XMM0, XMM0, Immediate(0x55)); |
| __ shufps(XMM1, XMM1, Immediate(0xFF)); |
| __ addss(XMM0, XMM1); // 11.0f. |
| __ pushl(EAX); |
| __ movss(Address(ESP, 0), XMM0); |
| __ flds(Address(ESP, 0)); |
| __ popl(EAX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(PackedUnpackLow, test) { |
| typedef float (*PackedUnpackLow)(); |
| float res = reinterpret_cast<PackedUnpackLow>(test->entry())(); |
| EXPECT_FLOAT_EQ(11.0f, res, 0.001f); |
| EXPECT_DISASSEMBLY( |
| "movups xmm0,[0x.......]\n" |
| "movups xmm1,[0x.......]\n" |
| "unpcklps xmm0,xmm1\n" |
| "movaps xmm1,xmm0\n" |
| "shufps xmm0,xmm0 [55]\n" |
| "shufps xmm1,xmm1 [ff]\n" |
| "addss xmm0,xmm1\n" |
| "push eax\n" |
| "movss [esp],xmm0\n" |
| "fld_s [esp]\n" |
| "pop eax\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(PackedUnpackHigh, assembler) { |
| static const struct ALIGN16 { |
| float a; |
| float b; |
| float c; |
| float d; |
| } constant0 = {1.0, 2.0, 3.0, 4.0}; |
| static const struct ALIGN16 { |
| float a; |
| float b; |
| float c; |
| float d; |
| } constant1 = {5.0, 6.0, 7.0, 8.0}; |
| // XMM0 = 1.0f, 2.0f, 3.0f, 4.0f. |
| __ movups(XMM0, Address::Absolute(reinterpret_cast<uword>(&constant0))); |
| // XMM1 = 5.0f, 6.0f, 7.0f, 8.0f. |
| __ movups(XMM1, Address::Absolute(reinterpret_cast<uword>(&constant1))); |
| // XMM0 = 3.0f, 7.0f, 4.0f, 8.0f. |
| __ unpckhps(XMM0, XMM1); |
| // XMM1 = 3.0f, 7.0f, 4.0f, 8.0f. |
| __ movaps(XMM1, XMM0); |
| __ shufps(XMM0, XMM0, Immediate(0x00)); |
| __ shufps(XMM1, XMM1, Immediate(0xAA)); |
| __ addss(XMM0, XMM1); // 7.0f. |
| __ pushl(EAX); |
| __ movss(Address(ESP, 0), XMM0); |
| __ flds(Address(ESP, 0)); |
| __ popl(EAX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(PackedUnpackHigh, test) { |
| typedef float (*PackedUnpackHigh)(); |
| float res = reinterpret_cast<PackedUnpackHigh>(test->entry())(); |
| EXPECT_FLOAT_EQ(7.0f, res, 0.001f); |
| EXPECT_DISASSEMBLY( |
| "movups xmm0,[0x.......]\n" |
| "movups xmm1,[0x.......]\n" |
| "unpckhps xmm0,xmm1\n" |
| "movaps xmm1,xmm0\n" |
| "shufps xmm0,xmm0 [0]\n" |
| "shufps xmm1,xmm1 [aa]\n" |
| "addss xmm0,xmm1\n" |
| "push eax\n" |
| "movss [esp],xmm0\n" |
| "fld_s [esp]\n" |
| "pop eax\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(PackedUnpackLowPair, assembler) { |
| static const struct ALIGN16 { |
| float a; |
| float b; |
| float c; |
| float d; |
| } constant0 = {1.0, 2.0, 3.0, 4.0}; |
| static const struct ALIGN16 { |
| float a; |
| float b; |
| float c; |
| float d; |
| } constant1 = {5.0, 6.0, 7.0, 8.0}; |
| // XMM0 = 1.0f, 2.0f, 3.0f, 4.0f. |
| __ movups(XMM0, Address::Absolute(reinterpret_cast<uword>(&constant0))); |
| // XMM1 = 5.0f, 6.0f, 7.0f, 8.0f. |
| __ movups(XMM1, Address::Absolute(reinterpret_cast<uword>(&constant1))); |
| // XMM0 = 1.0f, 2.0f, 5.0f, 6.0f. |
| __ unpcklpd(XMM0, XMM1); |
| // XMM1 = 1.0f, 2.0f, 5.0f, 6.0f. |
| __ movaps(XMM1, XMM0); |
| __ shufps(XMM0, XMM0, Immediate(0x00)); |
| __ shufps(XMM1, XMM1, Immediate(0xAA)); |
| __ addss(XMM0, XMM1); // 6.0f. |
| __ pushl(EAX); |
| __ movss(Address(ESP, 0), XMM0); |
| __ flds(Address(ESP, 0)); |
| __ popl(EAX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(PackedUnpackLowPair, test) { |
| typedef float (*PackedUnpackLowPair)(); |
| float res = reinterpret_cast<PackedUnpackLowPair>(test->entry())(); |
| EXPECT_FLOAT_EQ(6.0f, res, 0.001f); |
| EXPECT_DISASSEMBLY( |
| "movups xmm0,[0x.......]\n" |
| "movups xmm1,[0x.......]\n" |
| "unpcklpd xmm0,xmm1\n" |
| "movaps xmm1,xmm0\n" |
| "shufps xmm0,xmm0 [0]\n" |
| "shufps xmm1,xmm1 [aa]\n" |
| "addss xmm0,xmm1\n" |
| "push eax\n" |
| "movss [esp],xmm0\n" |
| "fld_s [esp]\n" |
| "pop eax\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(PackedUnpackHighPair, assembler) { |
| static const struct ALIGN16 { |
| float a; |
| float b; |
| float c; |
| float d; |
| } constant0 = {1.0, 2.0, 3.0, 4.0}; |
| static const struct ALIGN16 { |
| float a; |
| float b; |
| float c; |
| float d; |
| } constant1 = {5.0, 6.0, 7.0, 8.0}; |
| // XMM0 = 1.0f, 2.0f, 3.0f, 4.0f. |
| __ movups(XMM0, Address::Absolute(reinterpret_cast<uword>(&constant0))); |
| // XMM1 = 5.0f, 6.0f, 7.0f, 8.0f. |
| __ movups(XMM1, Address::Absolute(reinterpret_cast<uword>(&constant1))); |
| // XMM0 = 3.0f, 4.0f, 7.0f, 8.0f. |
| __ unpckhpd(XMM0, XMM1); |
| // XMM1 = 3.0f, 4.0f, 7.0f, 8.0f. |
| __ movaps(XMM1, XMM0); |
| __ shufps(XMM0, XMM0, Immediate(0x55)); |
| __ shufps(XMM1, XMM1, Immediate(0xFF)); |
| __ addss(XMM0, XMM1); // 12.0f. |
| __ pushl(EAX); |
| __ movss(Address(ESP, 0), XMM0); |
| __ flds(Address(ESP, 0)); |
| __ popl(EAX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(PackedUnpackHighPair, test) { |
| typedef float (*PackedUnpackHighPair)(); |
| float res = reinterpret_cast<PackedUnpackHighPair>(test->entry())(); |
| EXPECT_FLOAT_EQ(12.0f, res, 0.001f); |
| EXPECT_DISASSEMBLY( |
| "movups xmm0,[0x.......]\n" |
| "movups xmm1,[0x.......]\n" |
| "unpckhpd xmm0,xmm1\n" |
| "movaps xmm1,xmm0\n" |
| "shufps xmm0,xmm0 [55]\n" |
| "shufps xmm1,xmm1 [ff]\n" |
| "addss xmm0,xmm1\n" |
| "push eax\n" |
| "movss [esp],xmm0\n" |
| "fld_s [esp]\n" |
| "pop eax\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(PackedDoubleAdd, assembler) { |
| static const struct ALIGN16 { |
| double a; |
| double b; |
| } constant0 = {1.0, 2.0}; |
| static const struct ALIGN16 { |
| double a; |
| double b; |
| } constant1 = {3.0, 4.0}; |
| __ movups(XMM0, Address::Absolute(reinterpret_cast<uword>(&constant0))); |
| __ movups(XMM1, Address::Absolute(reinterpret_cast<uword>(&constant1))); |
| __ addpd(XMM0, XMM1); |
| __ pushl(EAX); |
| __ pushl(EAX); |
| __ movsd(Address(ESP, 0), XMM0); |
| __ fldl(Address(ESP, 0)); |
| __ popl(EAX); |
| __ popl(EAX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(PackedDoubleAdd, test) { |
| typedef double (*PackedDoubleAdd)(); |
| double res = reinterpret_cast<PackedDoubleAdd>(test->entry())(); |
| EXPECT_FLOAT_EQ(4.0, res, 0.000001f); |
| EXPECT_DISASSEMBLY( |
| "movups xmm0,[0x.......]\n" |
| "movups xmm1,[0x.......]\n" |
| "addpd xmm0,xmm1\n" |
| "push eax\n" |
| "push eax\n" |
| "movsd [esp],xmm0\n" |
| "fld_d [esp]\n" |
| "pop eax\n" |
| "pop eax\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(PackedDoubleSub, assembler) { |
| static const struct ALIGN16 { |
| double a; |
| double b; |
| } constant0 = {1.0, 2.0}; |
| static const struct ALIGN16 { |
| double a; |
| double b; |
| } constant1 = {3.0, 4.0}; |
| __ movups(XMM0, Address::Absolute(reinterpret_cast<uword>(&constant0))); |
| __ movups(XMM1, Address::Absolute(reinterpret_cast<uword>(&constant1))); |
| __ subpd(XMM0, XMM1); |
| __ pushl(EAX); |
| __ pushl(EAX); |
| __ movsd(Address(ESP, 0), XMM0); |
| __ fldl(Address(ESP, 0)); |
| __ popl(EAX); |
| __ popl(EAX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(PackedDoubleSub, test) { |
| typedef double (*PackedDoubleSub)(); |
| double res = reinterpret_cast<PackedDoubleSub>(test->entry())(); |
| EXPECT_FLOAT_EQ(-2.0, res, 0.000001f); |
| EXPECT_DISASSEMBLY( |
| "movups xmm0,[0x.......]\n" |
| "movups xmm1,[0x.......]\n" |
| "subpd xmm0,xmm1\n" |
| "push eax\n" |
| "push eax\n" |
| "movsd [esp],xmm0\n" |
| "fld_d [esp]\n" |
| "pop eax\n" |
| "pop eax\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(PackedDoubleNegate, assembler) { |
| static const struct ALIGN16 { |
| double a; |
| double b; |
| } constant0 = {1.0, 2.0}; |
| __ movups(XMM0, Address::Absolute(reinterpret_cast<uword>(&constant0))); |
| __ negatepd(XMM0); |
| __ pushl(EAX); |
| __ pushl(EAX); |
| __ movsd(Address(ESP, 0), XMM0); |
| __ fldl(Address(ESP, 0)); |
| __ popl(EAX); |
| __ popl(EAX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(PackedDoubleNegate, test) { |
| typedef double (*PackedDoubleNegate)(); |
| double res = reinterpret_cast<PackedDoubleNegate>(test->entry())(); |
| EXPECT_FLOAT_EQ(-1.0, res, 0.000001f); |
| EXPECT_DISASSEMBLY( |
| "movups xmm0,[0x.......]\n" |
| "xorpd xmm0,[0x.......]\n" |
| "push eax\n" |
| "push eax\n" |
| "movsd [esp],xmm0\n" |
| "fld_d [esp]\n" |
| "pop eax\n" |
| "pop eax\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(PackedDoubleAbsolute, assembler) { |
| static const struct ALIGN16 { |
| double a; |
| double b; |
| } constant0 = {-1.0, 2.0}; |
| __ movups(XMM0, Address::Absolute(reinterpret_cast<uword>(&constant0))); |
| __ abspd(XMM0); |
| __ pushl(EAX); |
| __ pushl(EAX); |
| __ movsd(Address(ESP, 0), XMM0); |
| __ fldl(Address(ESP, 0)); |
| __ popl(EAX); |
| __ popl(EAX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(PackedDoubleAbsolute, test) { |
| typedef double (*PackedDoubleAbsolute)(); |
| double res = reinterpret_cast<PackedDoubleAbsolute>(test->entry())(); |
| EXPECT_FLOAT_EQ(1.0, res, 0.000001f); |
| EXPECT_DISASSEMBLY( |
| "movups xmm0,[0x.......]\n" |
| "andpd xmm0,[0x.......]\n" |
| "push eax\n" |
| "push eax\n" |
| "movsd [esp],xmm0\n" |
| "fld_d [esp]\n" |
| "pop eax\n" |
| "pop eax\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(PackedDoubleMul, assembler) { |
| static const struct ALIGN16 { |
| double a; |
| double b; |
| } constant0 = {3.0, 2.0}; |
| static const struct ALIGN16 { |
| double a; |
| double b; |
| } constant1 = {3.0, 4.0}; |
| __ movups(XMM0, Address::Absolute(reinterpret_cast<uword>(&constant0))); |
| __ movups(XMM1, Address::Absolute(reinterpret_cast<uword>(&constant1))); |
| __ mulpd(XMM0, XMM1); |
| __ pushl(EAX); |
| __ pushl(EAX); |
| __ movsd(Address(ESP, 0), XMM0); |
| __ fldl(Address(ESP, 0)); |
| __ popl(EAX); |
| __ popl(EAX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(PackedDoubleMul, test) { |
| typedef double (*PackedDoubleMul)(); |
| double res = reinterpret_cast<PackedDoubleMul>(test->entry())(); |
| EXPECT_FLOAT_EQ(9.0, res, 0.000001f); |
| EXPECT_DISASSEMBLY( |
| "movups xmm0,[0x.......]\n" |
| "movups xmm1,[0x.......]\n" |
| "mulpd xmm0,xmm1\n" |
| "push eax\n" |
| "push eax\n" |
| "movsd [esp],xmm0\n" |
| "fld_d [esp]\n" |
| "pop eax\n" |
| "pop eax\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(PackedDoubleDiv, assembler) { |
| static const struct ALIGN16 { |
| double a; |
| double b; |
| } constant0 = {9.0, 2.0}; |
| static const struct ALIGN16 { |
| double a; |
| double b; |
| } constant1 = {3.0, 4.0}; |
| __ movups(XMM0, Address::Absolute(reinterpret_cast<uword>(&constant0))); |
| __ movups(XMM1, Address::Absolute(reinterpret_cast<uword>(&constant1))); |
| __ divpd(XMM0, XMM1); |
| __ pushl(EAX); |
| __ pushl(EAX); |
| __ movsd(Address(ESP, 0), XMM0); |
| __ fldl(Address(ESP, 0)); |
| __ popl(EAX); |
| __ popl(EAX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(PackedDoubleDiv, test) { |
| typedef double (*PackedDoubleDiv)(); |
| double res = reinterpret_cast<PackedDoubleDiv>(test->entry())(); |
| EXPECT_FLOAT_EQ(3.0, res, 0.000001f); |
| EXPECT_DISASSEMBLY( |
| "movups xmm0,[0x.......]\n" |
| "movups xmm1,[0x.......]\n" |
| "divpd xmm0,xmm1\n" |
| "push eax\n" |
| "push eax\n" |
| "movsd [esp],xmm0\n" |
| "fld_d [esp]\n" |
| "pop eax\n" |
| "pop eax\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(PackedDoubleSqrt, assembler) { |
| static const struct ALIGN16 { |
| double a; |
| double b; |
| } constant0 = {16.0, 2.0}; |
| __ movups(XMM0, Address::Absolute(reinterpret_cast<uword>(&constant0))); |
| __ sqrtpd(XMM0); |
| __ pushl(EAX); |
| __ pushl(EAX); |
| __ movsd(Address(ESP, 0), XMM0); |
| __ fldl(Address(ESP, 0)); |
| __ popl(EAX); |
| __ popl(EAX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(PackedDoubleSqrt, test) { |
| typedef double (*PackedDoubleSqrt)(); |
| double res = reinterpret_cast<PackedDoubleSqrt>(test->entry())(); |
| EXPECT_FLOAT_EQ(4.0, res, 0.000001f); |
| EXPECT_DISASSEMBLY( |
| "movups xmm0,[0x.......]\n" |
| "sqrtpd xmm0,xmm0\n" |
| "push eax\n" |
| "push eax\n" |
| "movsd [esp],xmm0\n" |
| "fld_d [esp]\n" |
| "pop eax\n" |
| "pop eax\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(PackedDoubleMin, assembler) { |
| static const struct ALIGN16 { |
| double a; |
| double b; |
| } constant0 = {9.0, 2.0}; |
| static const struct ALIGN16 { |
| double a; |
| double b; |
| } constant1 = {3.0, 4.0}; |
| __ movups(XMM0, Address::Absolute(reinterpret_cast<uword>(&constant0))); |
| __ movups(XMM1, Address::Absolute(reinterpret_cast<uword>(&constant1))); |
| __ minpd(XMM0, XMM1); |
| __ pushl(EAX); |
| __ pushl(EAX); |
| __ movsd(Address(ESP, 0), XMM0); |
| __ fldl(Address(ESP, 0)); |
| __ popl(EAX); |
| __ popl(EAX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(PackedDoubleMin, test) { |
| typedef double (*PackedDoubleMin)(); |
| double res = reinterpret_cast<PackedDoubleMin>(test->entry())(); |
| EXPECT_FLOAT_EQ(3.0, res, 0.000001f); |
| EXPECT_DISASSEMBLY( |
| "movups xmm0,[0x.......]\n" |
| "movups xmm1,[0x.......]\n" |
| "minpd xmm0,xmm1\n" |
| "push eax\n" |
| "push eax\n" |
| "movsd [esp],xmm0\n" |
| "fld_d [esp]\n" |
| "pop eax\n" |
| "pop eax\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(PackedDoubleMax, assembler) { |
| static const struct ALIGN16 { |
| double a; |
| double b; |
| } constant0 = {9.0, 2.0}; |
| static const struct ALIGN16 { |
| double a; |
| double b; |
| } constant1 = {3.0, 4.0}; |
| __ movups(XMM0, Address::Absolute(reinterpret_cast<uword>(&constant0))); |
| __ movups(XMM1, Address::Absolute(reinterpret_cast<uword>(&constant1))); |
| __ maxpd(XMM0, XMM1); |
| __ pushl(EAX); |
| __ pushl(EAX); |
| __ movsd(Address(ESP, 0), XMM0); |
| __ fldl(Address(ESP, 0)); |
| __ popl(EAX); |
| __ popl(EAX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(PackedDoubleMax, test) { |
| typedef double (*PackedDoubleMax)(); |
| double res = reinterpret_cast<PackedDoubleMax>(test->entry())(); |
| EXPECT_FLOAT_EQ(9.0, res, 0.000001f); |
| EXPECT_DISASSEMBLY( |
| "movups xmm0,[0x.......]\n" |
| "movups xmm1,[0x.......]\n" |
| "maxpd xmm0,xmm1\n" |
| "push eax\n" |
| "push eax\n" |
| "movsd [esp],xmm0\n" |
| "fld_d [esp]\n" |
| "pop eax\n" |
| "pop eax\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(PackedDoubleShuffle, assembler) { |
| static const struct ALIGN16 { |
| double a; |
| double b; |
| } constant0 = {2.0, 9.0}; |
| __ movups(XMM0, Address::Absolute(reinterpret_cast<uword>(&constant0))); |
| // Splat Y across all lanes. |
| __ shufpd(XMM0, XMM0, Immediate(0x33)); |
| // Splat X across all lanes. |
| __ shufpd(XMM0, XMM0, Immediate(0x0)); |
| // Set return value. |
| __ pushl(EAX); |
| __ pushl(EAX); |
| __ movsd(Address(ESP, 0), XMM0); |
| __ fldl(Address(ESP, 0)); |
| __ popl(EAX); |
| __ popl(EAX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(PackedDoubleShuffle, test) { |
| typedef double (*PackedDoubleShuffle)(); |
| double res = reinterpret_cast<PackedDoubleShuffle>(test->entry())(); |
| EXPECT_FLOAT_EQ(9.0, res, 0.000001f); |
| EXPECT_DISASSEMBLY( |
| "movups xmm0,[0x.......]\n" |
| "shufpd xmm0, xmm0 [33]\n" |
| "shufpd xmm0, xmm0 [0]\n" |
| "push eax\n" |
| "push eax\n" |
| "movsd [esp],xmm0\n" |
| "fld_d [esp]\n" |
| "pop eax\n" |
| "pop eax\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(PackedDoubleToSingle, assembler) { |
| static const struct ALIGN16 { |
| double a; |
| double b; |
| } constant0 = {9.0, 2.0}; |
| __ movups(XMM1, Address::Absolute(reinterpret_cast<uword>(&constant0))); |
| __ cvtpd2ps(XMM0, XMM1); |
| __ pushl(EAX); |
| __ movss(Address(ESP, 0), XMM0); |
| __ flds(Address(ESP, 0)); |
| __ popl(EAX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(PackedDoubleToSingle, test) { |
| typedef float (*PackedDoubleToSingle)(); |
| float res = reinterpret_cast<PackedDoubleToSingle>(test->entry())(); |
| EXPECT_FLOAT_EQ(9.0f, res, 0.000001f); |
| EXPECT_DISASSEMBLY( |
| "movups xmm1,[0x.......]\n" |
| "cvtpd2ps xmm0,xmm1\n" |
| "push eax\n" |
| "movss [esp],xmm0\n" |
| "fld_s [esp]\n" |
| "pop eax\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(PackedSingleToDouble, assembler) { |
| static const struct ALIGN16 { |
| float a; |
| float b; |
| float c; |
| float d; |
| } constant0 = {9.0f, 2.0f, 3.0f, 4.0f}; |
| __ movups(XMM1, Address::Absolute(reinterpret_cast<uword>(&constant0))); |
| __ cvtps2pd(XMM0, XMM1); |
| __ pushl(EAX); |
| __ pushl(EAX); |
| __ movsd(Address(ESP, 0), XMM0); |
| __ fldl(Address(ESP, 0)); |
| __ popl(EAX); |
| __ popl(EAX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(PackedSingleToDouble, test) { |
| typedef double (*PackedSingleToDouble)(); |
| double res = reinterpret_cast<PackedSingleToDouble>(test->entry())(); |
| EXPECT_FLOAT_EQ(9.0f, res, 0.000001f); |
| EXPECT_DISASSEMBLY( |
| "movups xmm1,[0x.......]\n" |
| "cvtps2pd xmm0,xmm1\n" |
| "push eax\n" |
| "push eax\n" |
| "movsd [esp],xmm0\n" |
| "fld_d [esp]\n" |
| "pop eax\n" |
| "pop eax\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(SingleFPOperationsStack, assembler) { |
| __ movl(EAX, Immediate(bit_cast<int32_t, float>(12.3f))); |
| __ movd(XMM0, EAX); |
| __ addss(XMM0, Address(ESP, target::kWordSize)); // 15.7f |
| __ mulss(XMM0, Address(ESP, target::kWordSize)); // 53.38f |
| __ subss(XMM0, Address(ESP, target::kWordSize)); // 49.98f |
| __ divss(XMM0, Address(ESP, target::kWordSize)); // 14.7f |
| __ pushl(EAX); |
| __ movss(Address(ESP, 0), XMM0); |
| __ flds(Address(ESP, 0)); |
| __ popl(EAX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(SingleFPOperationsStack, test) { |
| typedef float (*SingleFPOperationsStackCode)(float f); |
| float res = reinterpret_cast<SingleFPOperationsStackCode>(test->entry())(3.4); |
| EXPECT_FLOAT_EQ(14.7f, res, 0.001f); |
| EXPECT_DISASSEMBLY( |
| "mov eax,0x4144cccd\n" |
| "movd xmm0,eax\n" |
| "addss xmm0,[esp+0x4]\n" |
| "mulss xmm0,[esp+0x4]\n" |
| "subss xmm0,[esp+0x4]\n" |
| "divss xmm0,[esp+0x4]\n" |
| "push eax\n" |
| "movss [esp],xmm0\n" |
| "fld_s [esp]\n" |
| "pop eax\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(DoubleFPMoves, assembler) { |
| int64_t l = bit_cast<int64_t, double>(1024.67); |
| __ movl(EAX, Immediate(Utils::High32Bits(l))); |
| __ pushl(EAX); |
| __ movl(EAX, Immediate(Utils::Low32Bits(l))); |
| __ pushl(EAX); |
| __ movsd(XMM0, Address(ESP, 0)); |
| __ movsd(XMM1, XMM0); |
| __ movsd(XMM2, XMM1); |
| __ movsd(XMM3, XMM2); |
| __ movsd(XMM4, XMM3); |
| __ movsd(XMM5, XMM4); |
| __ movsd(XMM6, XMM5); |
| __ movsd(XMM7, XMM6); |
| __ movl(Address(ESP, 0), Immediate(0)); |
| __ movl(Address(ESP, target::kWordSize), Immediate(0)); |
| __ movsd(XMM0, Address(ESP, 0)); |
| __ movsd(Address(ESP, 0), XMM7); |
| __ movsd(XMM7, Address(ESP, 0)); |
| __ movaps(XMM6, XMM7); |
| __ movaps(XMM5, XMM6); |
| __ movaps(XMM4, XMM5); |
| __ movaps(XMM3, XMM4); |
| __ movaps(XMM2, XMM3); |
| __ movaps(XMM1, XMM2); |
| __ movaps(XMM0, XMM1); |
| __ movl(Address(ESP, 0), Immediate(0)); |
| __ movl(Address(ESP, target::kWordSize), Immediate(0)); |
| __ movsd(Address(ESP, 0), XMM0); |
| __ fldl(Address(ESP, 0)); |
| __ popl(EAX); |
| __ popl(EAX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(DoubleFPMoves, test) { |
| typedef double (*DoubleFPMovesCode)(); |
| double res = reinterpret_cast<DoubleFPMovesCode>(test->entry())(); |
| EXPECT_FLOAT_EQ(1024.67, res, 0.0001); |
| EXPECT_DISASSEMBLY( |
| "mov eax,0x409002ae\n" |
| "push eax\n" |
| "mov eax,0x147ae148\n" |
| "push eax\n" |
| "movsd xmm0,[esp]\n" |
| "movsd xmm1,xmm0\n" |
| "movsd xmm2,xmm1\n" |
| "movsd xmm3,xmm2\n" |
| "movsd xmm4,xmm3\n" |
| "movsd xmm5,xmm4\n" |
| "movsd xmm6,xmm5\n" |
| "movsd xmm7,xmm6\n" |
| "mov [esp],0\n" |
| "mov [esp+0x4],0\n" |
| "movsd xmm0,[esp]\n" |
| "movsd [esp],xmm7\n" |
| "movsd xmm7,[esp]\n" |
| "movaps xmm6,xmm7\n" |
| "movaps xmm5,xmm6\n" |
| "movaps xmm4,xmm5\n" |
| "movaps xmm3,xmm4\n" |
| "movaps xmm2,xmm3\n" |
| "movaps xmm1,xmm2\n" |
| "movaps xmm0,xmm1\n" |
| "mov [esp],0\n" |
| "mov [esp+0x4],0\n" |
| "movsd [esp],xmm0\n" |
| "fld_d [esp]\n" |
| "pop eax\n" |
| "pop eax\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(DoubleFPUStackMoves, assembler) { |
| int64_t l = bit_cast<int64_t, double>(1024.67); |
| __ movl(EAX, Immediate(Utils::High32Bits(l))); |
| __ pushl(EAX); |
| __ movl(EAX, Immediate(Utils::Low32Bits(l))); |
| __ pushl(EAX); |
| __ fldl(Address(ESP, 0)); |
| __ movl(Address(ESP, 0), Immediate(0)); |
| __ movl(Address(ESP, target::kWordSize), Immediate(0)); |
| __ fstpl(Address(ESP, 0)); |
| __ popl(EAX); |
| __ popl(EDX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(DoubleFPUStackMoves, test) { |
| typedef int64_t (*DoubleFPUStackMovesCode)(); |
| int64_t res = reinterpret_cast<DoubleFPUStackMovesCode>(test->entry())(); |
| EXPECT_FLOAT_EQ(1024.67, (bit_cast<double, int64_t>(res)), 0.001); |
| EXPECT_DISASSEMBLY( |
| "mov eax,0x409002ae\n" |
| "push eax\n" |
| "mov eax,0x147ae148\n" |
| "push eax\n" |
| "fld_d [esp]\n" |
| "mov [esp],0\n" |
| "mov [esp+0x4],0\n" |
| "fstp_d [esp]\n" |
| "pop eax\n" |
| "pop edx\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(DoubleFPOperations, assembler) { |
| int64_t l = bit_cast<int64_t, double>(12.3); |
| __ movl(EAX, Immediate(Utils::High32Bits(l))); |
| __ pushl(EAX); |
| __ movl(EAX, Immediate(Utils::Low32Bits(l))); |
| __ pushl(EAX); |
| __ movsd(XMM0, Address(ESP, 0)); |
| __ popl(EAX); |
| __ popl(EAX); |
| l = bit_cast<int64_t, double>(3.4); |
| __ movl(EAX, Immediate(Utils::High32Bits(l))); |
| __ pushl(EAX); |
| __ movl(EAX, Immediate(Utils::Low32Bits(l))); |
| __ pushl(EAX); |
| __ movsd(XMM1, Address(ESP, 0)); |
| __ addsd(XMM0, XMM1); // 15.7 |
| __ mulsd(XMM0, XMM1); // 53.38 |
| __ subsd(XMM0, XMM1); // 49.98 |
| __ divsd(XMM0, XMM1); // 14.7 |
| __ movsd(Address(ESP, 0), XMM0); |
| __ fldl(Address(ESP, 0)); |
| __ popl(EAX); |
| __ popl(EAX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(DoubleFPOperations, test) { |
| typedef double (*DoubleFPOperationsCode)(); |
| double res = reinterpret_cast<DoubleFPOperationsCode>(test->entry())(); |
| EXPECT_FLOAT_EQ(14.7, res, 0.001); |
| EXPECT_DISASSEMBLY( |
| "mov eax,0x40289999\n" |
| "push eax\n" |
| "mov eax,0x9999999a\n" |
| "push eax\n" |
| "movsd xmm0,[esp]\n" |
| "pop eax\n" |
| "pop eax\n" |
| "mov eax,0x400b3333\n" |
| "push eax\n" |
| "mov eax,0x33333333\n" |
| "push eax\n" |
| "movsd xmm1,[esp]\n" |
| "addsd xmm0,xmm1\n" |
| "mulsd xmm0,xmm1\n" |
| "subsd xmm0,xmm1\n" |
| "divsd xmm0,xmm1\n" |
| "movsd [esp],xmm0\n" |
| "fld_d [esp]\n" |
| "pop eax\n" |
| "pop eax\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(DoubleFPOperationsStack, assembler) { |
| int64_t l = bit_cast<int64_t, double>(12.3); |
| __ movl(EAX, Immediate(Utils::High32Bits(l))); |
| __ pushl(EAX); |
| __ movl(EAX, Immediate(Utils::Low32Bits(l))); |
| __ pushl(EAX); |
| __ movsd(XMM0, Address(ESP, 0)); |
| __ popl(EAX); |
| __ popl(EAX); |
| |
| __ addsd(XMM0, Address(ESP, target::kWordSize)); // 15.7 |
| __ mulsd(XMM0, Address(ESP, target::kWordSize)); // 53.38 |
| __ subsd(XMM0, Address(ESP, target::kWordSize)); // 49.98 |
| __ divsd(XMM0, Address(ESP, target::kWordSize)); // 14.7 |
| |
| __ pushl(EAX); |
| __ pushl(EAX); |
| __ movsd(Address(ESP, 0), XMM0); |
| __ fldl(Address(ESP, 0)); |
| __ popl(EAX); |
| __ popl(EAX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(DoubleFPOperationsStack, test) { |
| typedef double (*DoubleFPOperationsStackCode)(double d); |
| double res = |
| reinterpret_cast<DoubleFPOperationsStackCode>(test->entry())(3.4); |
| EXPECT_FLOAT_EQ(14.7, res, 0.001); |
| EXPECT_DISASSEMBLY( |
| "mov eax,0x40289999\n" |
| "push eax\n" |
| "mov eax,0x9999999a\n" |
| "push eax\n" |
| "movsd xmm0,[esp]\n" |
| "pop eax\n" |
| "pop eax\n" |
| "addsd xmm0,[esp+0x4]\n" |
| "mulsd xmm0,[esp+0x4]\n" |
| "subsd xmm0,[esp+0x4]\n" |
| "divsd xmm0,[esp+0x4]\n" |
| "push eax\n" |
| "push eax\n" |
| "movsd [esp],xmm0\n" |
| "fld_d [esp]\n" |
| "pop eax\n" |
| "pop eax\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(IntToDoubleConversion, assembler) { |
| __ movl(EDX, Immediate(6)); |
| __ cvtsi2sd(XMM1, EDX); |
| __ pushl(EAX); |
| __ pushl(EAX); |
| __ movsd(Address(ESP, 0), XMM1); |
| __ fldl(Address(ESP, 0)); |
| __ popl(EAX); |
| __ popl(EAX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(IntToDoubleConversion, test) { |
| typedef double (*IntToDoubleConversionCode)(); |
| double res = reinterpret_cast<IntToDoubleConversionCode>(test->entry())(); |
| EXPECT_FLOAT_EQ(6.0, res, 0.001); |
| EXPECT_DISASSEMBLY( |
| "mov edx,6\n" |
| "cvtsi2sd xmm1,edx\n" |
| "push eax\n" |
| "push eax\n" |
| "movsd [esp],xmm1\n" |
| "fld_d [esp]\n" |
| "pop eax\n" |
| "pop eax\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(IntToDoubleConversion2, assembler) { |
| __ filds(Address(ESP, target::kWordSize)); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(IntToDoubleConversion2, test) { |
| typedef double (*IntToDoubleConversion2Code)(int i); |
| double res = reinterpret_cast<IntToDoubleConversion2Code>(test->entry())(3); |
| EXPECT_FLOAT_EQ(3.0, res, 0.001); |
| EXPECT_DISASSEMBLY( |
| "fild_s [esp+0x4]\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(Int64ToDoubleConversion, assembler) { |
| __ movl(EAX, Immediate(0)); |
| __ movl(EDX, Immediate(6)); |
| __ pushl(EAX); |
| __ pushl(EDX); |
| __ fildl(Address(ESP, 0)); |
| __ popl(EAX); |
| __ popl(EAX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(Int64ToDoubleConversion, test) { |
| typedef double (*Int64ToDoubleConversionCode)(); |
| double res = reinterpret_cast<Int64ToDoubleConversionCode>(test->entry())(); |
| EXPECT_EQ(6.0, res); |
| EXPECT_DISASSEMBLY( |
| "mov eax,0\n" |
| "mov edx,6\n" |
| "push eax\n" |
| "push edx\n" |
| "fild_d [esp]\n" |
| "pop eax\n" |
| "pop eax\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(NegativeInt64ToDoubleConversion, assembler) { |
| __ movl(EAX, Immediate(0xFFFFFFFF)); |
| __ movl(EDX, Immediate(0xFFFFFFFA)); |
| __ pushl(EAX); |
| __ pushl(EDX); |
| __ fildl(Address(ESP, 0)); |
| __ popl(EAX); |
| __ popl(EAX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(NegativeInt64ToDoubleConversion, test) { |
| typedef double (*NegativeInt64ToDoubleConversionCode)(); |
| double res = |
| reinterpret_cast<NegativeInt64ToDoubleConversionCode>(test->entry())(); |
| EXPECT_EQ(-6.0, res); |
| EXPECT_DISASSEMBLY( |
| "mov eax,0xffffffff\n" |
| "mov edx,0xfffffffa\n" |
| "push eax\n" |
| "push edx\n" |
| "fild_d [esp]\n" |
| "pop eax\n" |
| "pop eax\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(IntToFloatConversion, assembler) { |
| __ movl(EDX, Immediate(6)); |
| __ cvtsi2ss(XMM1, EDX); |
| __ pushl(EAX); |
| __ movss(Address(ESP, 0), XMM1); |
| __ flds(Address(ESP, 0)); |
| __ popl(EAX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(IntToFloatConversion, test) { |
| typedef float (*IntToFloatConversionCode)(); |
| float res = reinterpret_cast<IntToFloatConversionCode>(test->entry())(); |
| EXPECT_FLOAT_EQ(6.0, res, 0.001); |
| EXPECT_DISASSEMBLY( |
| "mov edx,6\n" |
| "cvtsi2ss xmm1,edx\n" |
| "push eax\n" |
| "movss [esp],xmm1\n" |
| "fld_s [esp]\n" |
| "pop eax\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(FloatToIntConversionRound, assembler) { |
| __ movsd(XMM1, Address(ESP, target::kWordSize)); |
| __ cvtss2si(EDX, XMM1); |
| __ movl(EAX, EDX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(FloatToIntConversionRound, test) { |
| typedef int (*FloatToIntConversionRoundCode)(float f); |
| int res = |
| reinterpret_cast<FloatToIntConversionRoundCode>(test->entry())(12.3); |
| EXPECT_EQ(12, res); |
| res = reinterpret_cast<FloatToIntConversionRoundCode>(test->entry())(12.8); |
| EXPECT_EQ(13, res); |
| EXPECT_DISASSEMBLY( |
| "movsd xmm1,[esp+0x4]\n" |
| "cvtss2si edx,xmm1\n" |
| "mov eax,edx\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(FloatToIntConversionTrunc, assembler) { |
| __ movsd(XMM1, Address(ESP, target::kWordSize)); |
| __ cvttss2si(EDX, XMM1); |
| __ movl(EAX, EDX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(FloatToIntConversionTrunc, test) { |
| typedef int (*FloatToIntConversionTruncCode)(float f); |
| int res = |
| reinterpret_cast<FloatToIntConversionTruncCode>(test->entry())(12.3); |
| EXPECT_EQ(12, res); |
| res = reinterpret_cast<FloatToIntConversionTruncCode>(test->entry())(12.8); |
| EXPECT_EQ(12, res); |
| EXPECT_DISASSEMBLY( |
| "movsd xmm1,[esp+0x4]\n" |
| "cvttss2si edx,xmm1\n" |
| "mov eax,edx\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(FloatToDoubleConversion, assembler) { |
| __ movl(EAX, Immediate(bit_cast<int32_t, float>(12.3f))); |
| __ movd(XMM1, EAX); |
| __ xorl(EAX, EAX); |
| __ cvtss2sd(XMM2, XMM1); |
| __ pushl(EAX); |
| __ pushl(EAX); |
| __ movsd(Address(ESP, 0), XMM2); |
| __ fldl(Address(ESP, 0)); |
| __ popl(EAX); |
| __ popl(EAX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(FloatToDoubleConversion, test) { |
| typedef double (*FloatToDoubleConversionCode)(); |
| double res = reinterpret_cast<FloatToDoubleConversionCode>(test->entry())(); |
| EXPECT_FLOAT_EQ(12.3, res, 0.001); |
| EXPECT_DISASSEMBLY( |
| "mov eax,0x4144cccd\n" |
| "movd xmm1,eax\n" |
| "xor eax,eax\n" |
| "cvtss2sd xmm2,xmm1\n" |
| "push eax\n" |
| "push eax\n" |
| "movsd [esp],xmm2\n" |
| "fld_d [esp]\n" |
| "pop eax\n" |
| "pop eax\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(FloatCompare, assembler) { |
| // Count errors in EAX. EAX is zero if no errors found. |
| Label is_nan, is_above, is_ok, cont_1, cont_2; |
| // Test 12.3f vs 12.5f. |
| __ xorl(EAX, EAX); |
| __ movl(EDX, Immediate(bit_cast<int32_t, float>(12.3f))); |
| __ movd(XMM0, EDX); |
| __ movl(EDX, Immediate(bit_cast<int32_t, float>(12.5f))); |
| __ movd(XMM1, EDX); |
| __ comiss(XMM0, XMM1); |
| __ j(PARITY_EVEN, &is_nan); |
| __ Bind(&cont_1); |
| __ j(ABOVE, &is_above); |
| __ Bind(&cont_2); |
| __ j(BELOW, &is_ok); |
| __ incl(EAX); |
| __ Bind(&is_ok); |
| |
| // Test NaN. |
| Label is_nan_ok; |
| // Create NaN by dividing 0.0f/0.0f. |
| __ movl(EDX, Immediate(bit_cast<int32_t, float>(0.0f))); |
| __ movd(XMM1, EDX); |
| __ divss(XMM1, XMM1); |
| __ comiss(XMM1, XMM1); |
| __ j(PARITY_EVEN, &is_nan_ok); |
| __ incl(EAX); |
| __ Bind(&is_nan_ok); |
| |
| // EAX is 0 if all tests passed. |
| __ ret(); |
| |
| __ Bind(&is_nan); |
| __ incl(EAX); |
| __ jmp(&cont_1); |
| |
| __ Bind(&is_above); |
| __ incl(EAX); |
| __ jmp(&cont_2); |
| } |
| |
| ASSEMBLER_TEST_RUN(FloatCompare, test) { |
| typedef int (*FloatCompareCode)(); |
| int res = reinterpret_cast<FloatCompareCode>(test->entry())(); |
| EXPECT_EQ(0, res); |
| EXPECT_DISASSEMBLY( |
| "xor eax,eax\n" |
| "mov edx,0x4144cccd\n" |
| "movd xmm0,edx\n" |
| "mov edx,0x41480000\n" |
| "movd xmm1,edx\n" |
| "comiss xmm0,xmm1\n" |
| "jpe +43\n" |
| "ja +40\n" |
| "jc +7\n" |
| "inc eax\n" |
| "mov edx,0\n" |
| "movd xmm1,edx\n" |
| "divss xmm1,xmm1\n" |
| "comiss xmm1,xmm1\n" |
| "jpe +7\n" |
| "inc eax\n" |
| "ret\n" |
| "inc eax\n" |
| "jmp -38\n" |
| "inc eax\n" |
| "jmp -35\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(DoubleCompare, assembler) { |
| int64_t a = bit_cast<int64_t, double>(12.3); |
| int64_t b = bit_cast<int64_t, double>(12.5); |
| |
| __ movl(EDX, Immediate(Utils::High32Bits(a))); |
| __ pushl(EDX); |
| __ movl(EDX, Immediate(Utils::Low32Bits(a))); |
| __ pushl(EDX); |
| __ movsd(XMM0, Address(ESP, 0)); |
| __ popl(EDX); |
| __ popl(EDX); |
| |
| __ movl(EDX, Immediate(Utils::High32Bits(b))); |
| __ pushl(EDX); |
| __ movl(EDX, Immediate(Utils::Low32Bits(b))); |
| __ pushl(EDX); |
| __ movsd(XMM1, Address(ESP, 0)); |
| __ popl(EDX); |
| __ popl(EDX); |
| |
| // Count errors in EAX. EAX is zero if no errors found. |
| Label is_nan, is_above, is_ok, cont_1, cont_2; |
| // Test 12.3 vs 12.5. |
| __ xorl(EAX, EAX); |
| __ comisd(XMM0, XMM1); |
| __ j(PARITY_EVEN, &is_nan); |
| __ Bind(&cont_1); |
| __ j(ABOVE, &is_above); |
| __ Bind(&cont_2); |
| __ j(BELOW, &is_ok); |
| __ incl(EAX); |
| __ Bind(&is_ok); |
| |
| // Test NaN. |
| Label is_nan_ok; |
| // Create NaN by dividing 0.0d/0.0d. |
| int64_t zero = bit_cast<int64_t, double>(0.0); |
| __ movl(EDX, Immediate(Utils::High32Bits(zero))); |
| __ pushl(EDX); |
| __ movl(EDX, Immediate(Utils::Low32Bits(zero))); |
| __ pushl(EDX); |
| __ movsd(XMM1, Address(ESP, 0)); |
| __ popl(EDX); |
| __ popl(EDX); |
| |
| __ divsd(XMM1, XMM1); |
| __ comisd(XMM1, XMM1); |
| __ j(PARITY_EVEN, &is_nan_ok); |
| __ incl(EAX); |
| __ Bind(&is_nan_ok); |
| |
| // EAX is 0 if all tests passed. |
| __ ret(); |
| |
| __ Bind(&is_nan); |
| __ incl(EAX); |
| __ jmp(&cont_1); |
| |
| __ Bind(&is_above); |
| __ incl(EAX); |
| __ jmp(&cont_2); |
| } |
| |
| ASSEMBLER_TEST_RUN(DoubleCompare, test) { |
| typedef int (*DoubleCompareCode)(); |
| int res = reinterpret_cast<DoubleCompareCode>(test->entry())(); |
| EXPECT_EQ(0, res); |
| EXPECT_DISASSEMBLY( |
| "mov edx,0x40289999\n" |
| "push edx\n" |
| "mov edx,0x9999999a\n" |
| "push edx\n" |
| "movsd xmm0,[esp]\n" |
| "pop edx\n" |
| "pop edx\n" |
| "mov edx,0x40290000\n" |
| "push edx\n" |
| "mov edx,0\n" |
| "push edx\n" |
| "movsd xmm1,[esp]\n" |
| "pop edx\n" |
| "pop edx\n" |
| "xor eax,eax\n" |
| "comisd xmm0,xmm1\n" |
| "jpe +54\n" |
| "ja +51\n" |
| "jc +7\n" |
| "inc eax\n" |
| "mov edx,0\n" |
| "push edx\n" |
| "mov edx,0\n" |
| "push edx\n" |
| "movsd xmm1,[esp]\n" |
| "pop edx\n" |
| "pop edx\n" |
| "divsd xmm1,xmm1\n" |
| "comisd xmm1,xmm1\n" |
| "jpe +7\n" |
| "inc eax\n" |
| "ret\n" |
| "inc eax\n" |
| "jmp -49\n" |
| "inc eax\n" |
| "jmp -46\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(DoubleToFloatConversion, assembler) { |
| int64_t l = bit_cast<int64_t, double>(12.3); |
| __ movl(EAX, Immediate(Utils::High32Bits(l))); |
| __ pushl(EAX); |
| __ movl(EAX, Immediate(Utils::Low32Bits(l))); |
| __ pushl(EAX); |
| __ movsd(XMM0, Address(ESP, 0)); |
| __ cvtsd2ss(XMM1, XMM0); |
| __ movss(Address(ESP, 0), XMM1); |
| __ flds(Address(ESP, 0)); |
| __ popl(EAX); |
| __ popl(EAX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(DoubleToFloatConversion, test) { |
| typedef float (*DoubleToFloatConversionCode)(); |
| float res = reinterpret_cast<DoubleToFloatConversionCode>(test->entry())(); |
| EXPECT_FLOAT_EQ(12.3f, res, 0.001); |
| EXPECT_DISASSEMBLY( |
| "mov eax,0x40289999\n" |
| "push eax\n" |
| "mov eax,0x9999999a\n" |
| "push eax\n" |
| "movsd xmm0,[esp]\n" |
| "cvtsd2ss xmm1,xmm0\n" |
| "movss [esp],xmm1\n" |
| "fld_s [esp]\n" |
| "pop eax\n" |
| "pop eax\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(DoubleToIntConversionRound, assembler) { |
| __ movsd(XMM3, Address(ESP, target::kWordSize)); |
| __ cvtsd2si(EAX, XMM3); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(DoubleToIntConversionRound, test) { |
| typedef int (*DoubleToIntConversionRoundCode)(double d); |
| int res = |
| reinterpret_cast<DoubleToIntConversionRoundCode>(test->entry())(12.3); |
| EXPECT_EQ(12, res); |
| res = reinterpret_cast<DoubleToIntConversionRoundCode>(test->entry())(12.8); |
| EXPECT_EQ(13, res); |
| EXPECT_DISASSEMBLY( |
| "movsd xmm3,[esp+0x4]\n" |
| "cvtsd2si eax,xmm3\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(DoubleToIntConversionTrunc, assembler) { |
| __ movsd(XMM3, Address(ESP, target::kWordSize)); |
| __ cvttsd2si(EAX, XMM3); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(DoubleToIntConversionTrunc, test) { |
| typedef int (*DoubleToIntConversionTruncCode)(double d); |
| int res = |
| reinterpret_cast<DoubleToIntConversionTruncCode>(test->entry())(12.3); |
| EXPECT_EQ(12, res); |
| res = reinterpret_cast<DoubleToIntConversionTruncCode>(test->entry())(12.8); |
| EXPECT_EQ(12, res); |
| EXPECT_DISASSEMBLY( |
| "movsd xmm3,[esp+0x4]\n" |
| "cvttsd2si eax,xmm3\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(DoubleToDoubleTrunc, assembler) { |
| __ movsd(XMM3, Address(ESP, target::kWordSize)); |
| __ roundsd(XMM2, XMM3, Assembler::kRoundToZero); |
| __ pushl(EAX); |
| __ pushl(EAX); |
| __ movsd(Address(ESP, 0), XMM2); |
| __ fldl(Address(ESP, 0)); |
| __ popl(EAX); |
| __ popl(EAX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(DoubleToDoubleTrunc, test) { |
| typedef double (*DoubleToDoubleTruncCode)(double d); |
| double res = reinterpret_cast<DoubleToDoubleTruncCode>(test->entry())(12.3); |
| EXPECT_EQ(12.0, res); |
| res = reinterpret_cast<DoubleToDoubleTruncCode>(test->entry())(12.8); |
| EXPECT_EQ(12.0, res); |
| res = reinterpret_cast<DoubleToDoubleTruncCode>(test->entry())(-12.3); |
| EXPECT_EQ(-12.0, res); |
| res = reinterpret_cast<DoubleToDoubleTruncCode>(test->entry())(-12.8); |
| EXPECT_EQ(-12.0, res); |
| EXPECT_DISASSEMBLY( |
| "movsd xmm3,[esp+0x4]\n" |
| "roundsd edx, ebx, 3\n" |
| "push eax\n" |
| "push eax\n" |
| "movsd [esp],xmm2\n" |
| "fld_d [esp]\n" |
| "pop eax\n" |
| "pop eax\n" |
| "ret\n"); |
| } |
| |
| static const double kDoubleConst = 3.226; |
| |
| ASSEMBLER_TEST_GENERATE(GlobalAddress, assembler) { |
| __ movsd(XMM0, Address::Absolute(reinterpret_cast<uword>(&kDoubleConst))); |
| __ pushl(EAX); |
| __ pushl(EAX); |
| __ movsd(Address(ESP, 0), XMM0); |
| __ fldl(Address(ESP, 0)); |
| __ popl(EAX); |
| __ popl(EAX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(GlobalAddress, test) { |
| typedef double (*GlobalAddressCode)(); |
| double res = reinterpret_cast<GlobalAddressCode>(test->entry())(); |
| EXPECT_FLOAT_EQ(kDoubleConst, res, 0.000001); |
| EXPECT_DISASSEMBLY( |
| "movsd xmm0,[0x.......]\n" |
| "push eax\n" |
| "push eax\n" |
| "movsd [esp],xmm0\n" |
| "fld_d [esp]\n" |
| "pop eax\n" |
| "pop eax\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(Sine, assembler) { |
| __ flds(Address(ESP, target::kWordSize)); |
| __ fsin(); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(Sine, test) { |
| typedef float (*SineCode)(float f); |
| const float kFloatConst = 0.7; |
| float res = reinterpret_cast<SineCode>(test->entry())(kFloatConst); |
| EXPECT_FLOAT_EQ(sin(kFloatConst), res, 0.0001); |
| EXPECT_DISASSEMBLY( |
| "fld_s [esp+0x4]\n" |
| "fsin\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(Cosine, assembler) { |
| __ flds(Address(ESP, target::kWordSize)); |
| __ fcos(); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(Cosine, test) { |
| typedef float (*CosineCode)(float f); |
| const float kFloatConst = 0.7; |
| float res = reinterpret_cast<CosineCode>(test->entry())(kFloatConst); |
| EXPECT_FLOAT_EQ(cos(kFloatConst), res, 0.0001); |
| EXPECT_DISASSEMBLY( |
| "fld_s [esp+0x4]\n" |
| "fcos\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(SinCos, assembler) { |
| __ fldl(Address(ESP, target::kWordSize)); |
| __ fsincos(); |
| __ subl(ESP, Immediate(2 * target::kWordSize)); |
| __ fstpl(Address(ESP, 0)); // cos result. |
| __ movsd(XMM0, Address(ESP, 0)); |
| __ fstpl(Address(ESP, 0)); // sin result. |
| __ movsd(XMM1, Address(ESP, 0)); |
| __ subsd(XMM1, XMM0); // sin - cos. |
| __ movsd(Address(ESP, 0), XMM1); |
| __ fldl(Address(ESP, 0)); |
| __ addl(ESP, Immediate(2 * target::kWordSize)); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(SinCos, test) { |
| typedef double (*SinCosCode)(double d); |
| const double arg = 1.2345; |
| const double expected = sin(arg) - cos(arg); |
| double res = reinterpret_cast<SinCosCode>(test->entry())(arg); |
| EXPECT_FLOAT_EQ(expected, res, 0.000001); |
| EXPECT_DISASSEMBLY( |
| "fld_d [esp+0x4]\n" |
| "fsincos\n" |
| "sub esp,8\n" |
| "fstp_d [esp]\n" |
| "movsd xmm0,[esp]\n" |
| "fstp_d [esp]\n" |
| "movsd xmm1,[esp]\n" |
| "subsd xmm1,xmm0\n" |
| "movsd [esp],xmm1\n" |
| "fld_d [esp]\n" |
| "add esp,8\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(Tangent, assembler) { |
| __ fldl(Address(ESP, target::kWordSize)); |
| __ fptan(); |
| __ ffree(0); |
| __ fincstp(); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(Tangent, test) { |
| typedef double (*TangentCode)(double d); |
| const double kDoubleConst = 0.6108652375000001; |
| double res = reinterpret_cast<TangentCode>(test->entry())(kDoubleConst); |
| EXPECT_FLOAT_EQ(tan(kDoubleConst), res, 0.0001); |
| EXPECT_DISASSEMBLY( |
| "fld_d [esp+0x4]\n" |
| "fptan\n" |
| "ffree st0\n" |
| "fincstp\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(SquareRootFloat, assembler) { |
| __ movss(XMM0, Address(ESP, target::kWordSize)); |
| __ sqrtss(XMM1, XMM0); |
| __ pushl(EAX); |
| __ movss(Address(ESP, 0), XMM1); |
| __ flds(Address(ESP, 0)); |
| __ popl(EAX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(SquareRootFloat, test) { |
| typedef float (*SquareRootFloatCode)(float f); |
| const float kFloatConst = 0.7; |
| float res = reinterpret_cast<SquareRootFloatCode>(test->entry())(kFloatConst); |
| EXPECT_FLOAT_EQ(sqrt(kFloatConst), res, 0.0001); |
| EXPECT_DISASSEMBLY( |
| "movss xmm0,[esp+0x4]\n" |
| "sqrtss xmm1,xmm0\n" |
| "push eax\n" |
| "movss [esp],xmm1\n" |
| "fld_s [esp]\n" |
| "pop eax\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(SquareRootDouble, assembler) { |
| __ movsd(XMM0, Address(ESP, target::kWordSize)); |
| __ sqrtsd(XMM1, XMM0); |
| __ pushl(EAX); |
| __ pushl(EAX); |
| __ movsd(Address(ESP, 0), XMM1); |
| __ fldl(Address(ESP, 0)); |
| __ popl(EAX); |
| __ popl(EAX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(SquareRootDouble, test) { |
| typedef double (*SquareRootDoubleCode)(double d); |
| const double kDoubleConst = .7; |
| double res = |
| reinterpret_cast<SquareRootDoubleCode>(test->entry())(kDoubleConst); |
| EXPECT_FLOAT_EQ(sqrt(kDoubleConst), res, 0.0001); |
| EXPECT_DISASSEMBLY( |
| "movsd xmm0,[esp+0x4]\n" |
| "sqrtsd xmm1,xmm0\n" |
| "push eax\n" |
| "push eax\n" |
| "movsd [esp],xmm1\n" |
| "fld_d [esp]\n" |
| "pop eax\n" |
| "pop eax\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(XmmAlu, assembler) { |
| // Test the disassembler. |
| __ addss(XMM0, XMM0); |
| __ addsd(XMM0, XMM0); |
| __ addps(XMM0, XMM0); |
| __ addpd(XMM0, XMM0); |
| __ cvtss2sd(XMM0, XMM0); |
| __ cvtsd2ss(XMM0, XMM0); |
| __ cvtps2pd(XMM0, XMM0); |
| __ cvtpd2ps(XMM0, XMM0); |
| __ movl(EAX, Immediate(0)); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(XmmAlu, test) { |
| typedef intptr_t (*XmmAluTest)(); |
| intptr_t res = reinterpret_cast<XmmAluTest>(test->entry())(); |
| EXPECT_EQ(res, 0); |
| EXPECT_DISASSEMBLY( |
| "addss xmm0,xmm0\n" |
| "addsd xmm0,xmm0\n" |
| "addps xmm0,xmm0\n" |
| "addpd xmm0,xmm0\n" |
| "cvtss2sd xmm0,xmm0\n" |
| "cvtsd2ss xmm0,xmm0\n" |
| "cvtps2pd xmm0,xmm0\n" |
| "cvtpd2ps xmm0,xmm0\n" |
| "mov eax,0\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(FloatNegate, assembler) { |
| __ movss(XMM0, Address(ESP, target::kWordSize)); |
| __ FloatNegate(XMM0); |
| __ pushl(EAX); |
| __ movss(Address(ESP, 0), XMM0); |
| __ flds(Address(ESP, 0)); |
| __ popl(EAX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(FloatNegate, test) { |
| typedef float (*FloatNegateCode)(float f); |
| const float kFloatConst = 12.345; |
| float res = reinterpret_cast<FloatNegateCode>(test->entry())(kFloatConst); |
| EXPECT_FLOAT_EQ(-kFloatConst, res, 0.0001); |
| EXPECT_DISASSEMBLY( |
| "movss xmm0,[esp+0x4]\n" |
| "xorps xmm0,[0x.......]\n" |
| "push eax\n" |
| "movss [esp],xmm0\n" |
| "fld_s [esp]\n" |
| "pop eax\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(DoubleNegate, assembler) { |
| __ movsd(XMM0, Address(ESP, target::kWordSize)); |
| __ DoubleNegate(XMM0); |
| __ pushl(EAX); |
| __ pushl(EAX); |
| __ movsd(Address(ESP, 0), XMM0); |
| __ fldl(Address(ESP, 0)); |
| __ popl(EAX); |
| __ popl(EAX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(DoubleNegate, test) { |
| typedef double (*DoubleNegateCode)(double f); |
| const double kDoubleConst = 12.345; |
| double res = reinterpret_cast<DoubleNegateCode>(test->entry())(kDoubleConst); |
| EXPECT_FLOAT_EQ(-kDoubleConst, res, 0.0001); |
| EXPECT_DISASSEMBLY( |
| "movsd xmm0,[esp+0x4]\n" |
| "xorpd xmm0,[0x.......]\n" |
| "push eax\n" |
| "push eax\n" |
| "movsd [esp],xmm0\n" |
| "fld_d [esp]\n" |
| "pop eax\n" |
| "pop eax\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(LongMulReg, assembler) { |
| __ movl(ECX, Address(ESP, target::kWordSize)); |
| __ movl(EAX, Address(ESP, 2 * target::kWordSize)); |
| __ imull(ECX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(LongMulReg, test) { |
| typedef int64_t (*LongMulRegCode)(int a, int b); |
| const int a = -12; |
| const int b = 13; |
| const int64_t mul_res = a * b; |
| int64_t res = reinterpret_cast<LongMulRegCode>(test->entry())(a, b); |
| EXPECT_EQ(mul_res, res); |
| EXPECT_DISASSEMBLY( |
| "mov ecx,[esp+0x4]\n" |
| "mov eax,[esp+0x8]\n" |
| "imul (eax,edx),ecx\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(LongMulAddress, assembler) { |
| __ movl(EAX, Address(ESP, 2 * target::kWordSize)); |
| __ imull(Address(ESP, target::kWordSize)); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(LongMulAddress, test) { |
| typedef int64_t (*LongMulAddressCode)(int a, int b); |
| const int a = -12; |
| const int b = 13; |
| const int64_t mul_res = a * b; |
| int64_t res = reinterpret_cast<LongMulAddressCode>(test->entry())(a, b); |
| EXPECT_EQ(mul_res, res); |
| EXPECT_DISASSEMBLY( |
| "mov eax,[esp+0x8]\n" |
| "imul (eax,edx),[esp+0x4]\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(LongUnsignedMulReg, assembler) { |
| __ movl(ECX, Address(ESP, target::kWordSize)); |
| __ movl(EAX, Address(ESP, 2 * target::kWordSize)); |
| __ mull(ECX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(LongUnsignedMulReg, test) { |
| typedef uint64_t (*LongUnsignedMulRegCode)(uint32_t a, uint32_t b); |
| uint32_t a = 3; |
| uint32_t b = 13; |
| uint64_t mul_res = a * b; |
| uint64_t res = reinterpret_cast<LongUnsignedMulRegCode>(test->entry())(a, b); |
| EXPECT_EQ(mul_res, res); |
| a = 4021288948u; |
| b = 13; |
| res = reinterpret_cast<LongUnsignedMulRegCode>(test->entry())(a, b); |
| mul_res = static_cast<uint64_t>(a) * static_cast<uint64_t>(b); |
| EXPECT_EQ(mul_res, res); |
| EXPECT_DISASSEMBLY( |
| "mov ecx,[esp+0x4]\n" |
| "mov eax,[esp+0x8]\n" |
| "mul (eax,edx),ecx\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(LongUnsignedMulAddress, assembler) { |
| __ movl(EAX, Address(ESP, 2 * target::kWordSize)); |
| __ mull(Address(ESP, target::kWordSize)); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(LongUnsignedMulAddress, test) { |
| typedef uint64_t (*LongUnsignedMulAddressCode)(uint32_t a, uint32_t b); |
| uint32_t a = 12; |
| uint32_t b = 13; |
| uint64_t mul_res = a * b; |
| uint64_t res = |
| reinterpret_cast<LongUnsignedMulAddressCode>(test->entry())(a, b); |
| EXPECT_EQ(mul_res, res); |
| a = 4294967284u; |
| b = 13; |
| res = reinterpret_cast<LongUnsignedMulAddressCode>(test->entry())(a, b); |
| mul_res = static_cast<uint64_t>(a) * static_cast<uint64_t>(b); |
| EXPECT_EQ(mul_res, res); |
| EXPECT_DISASSEMBLY( |
| "mov eax,[esp+0x8]\n" |
| "mul (eax,edx),[esp+0x4]\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(LongAddReg, assembler) { |
| // Preserve clobbered callee-saved register (EBX). |
| __ pushl(EBX); |
| __ movl(EAX, Address(ESP, 2 * target::kWordSize)); // left low. |
| __ movl(EDX, Address(ESP, 3 * target::kWordSize)); // left high. |
| __ movl(ECX, Address(ESP, 4 * target::kWordSize)); // right low. |
| __ movl(EBX, Address(ESP, 5 * target::kWordSize)); // right high |
| __ addl(EAX, ECX); |
| __ adcl(EDX, EBX); |
| __ popl(EBX); |
| // Result is in EAX/EDX. |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(LongAddReg, test) { |
| typedef int64_t (*LongAddRegCode)(int64_t a, int64_t b); |
| int64_t a = 12; |
| int64_t b = 14; |
| int64_t res = reinterpret_cast<LongAddRegCode>(test->entry())(a, b); |
| EXPECT_EQ((a + b), res); |
| a = 2147483647; |
| b = 600000; |
| res = reinterpret_cast<LongAddRegCode>(test->entry())(a, b); |
| EXPECT_EQ((a + b), res); |
| EXPECT_DISASSEMBLY( |
| "push ebx\n" |
| "mov eax,[esp+0x8]\n" |
| "mov edx,[esp+0xc]\n" |
| "mov ecx,[esp+0x10]\n" |
| "mov ebx,[esp+0x14]\n" |
| "add eax,ecx\n" |
| "adc edx,ebx\n" |
| "pop ebx\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(LongAddAddress, assembler) { |
| __ movl(EAX, Address(ESP, 1 * target::kWordSize)); // left low. |
| __ movl(EDX, Address(ESP, 2 * target::kWordSize)); // left high. |
| __ addl(EAX, Address(ESP, 3 * target::kWordSize)); // low. |
| __ adcl(EDX, Address(ESP, 4 * target::kWordSize)); // high. |
| // Result is in EAX/EDX. |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(LongAddAddress, test) { |
| typedef int64_t (*LongAddAddressCode)(int64_t a, int64_t b); |
| int64_t a = 12; |
| int64_t b = 14; |
| int64_t res = reinterpret_cast<LongAddAddressCode>(test->entry())(a, b); |
| EXPECT_EQ((a + b), res); |
| a = 2147483647; |
| b = 600000; |
| res = reinterpret_cast<LongAddAddressCode>(test->entry())(a, b); |
| EXPECT_EQ((a + b), res); |
| EXPECT_DISASSEMBLY( |
| "mov eax,[esp+0x4]\n" |
| "mov edx,[esp+0x8]\n" |
| "add eax,[esp+0xc]\n" |
| "adc edx,[esp+0x10]\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(LongSubReg, assembler) { |
| // Preserve clobbered callee-saved register (EBX). |
| __ pushl(EBX); |
| __ movl(EAX, Address(ESP, 2 * target::kWordSize)); // left low. |
| __ movl(EDX, Address(ESP, 3 * target::kWordSize)); // left high. |
| __ movl(ECX, Address(ESP, 4 * target::kWordSize)); // right low. |
| __ movl(EBX, Address(ESP, 5 * target::kWordSize)); // right high |
| __ subl(EAX, ECX); |
| __ sbbl(EDX, EBX); |
| __ popl(EBX); |
| // Result is in EAX/EDX. |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(LongSubReg, test) { |
| typedef int64_t (*LongSubRegCode)(int64_t a, int64_t b); |
| int64_t a = 12; |
| int64_t b = 14; |
| int64_t res = reinterpret_cast<LongSubRegCode>(test->entry())(a, b); |
| EXPECT_EQ((a - b), res); |
| a = 600000; |
| b = 2147483647; |
| res = reinterpret_cast<LongSubRegCode>(test->entry())(a, b); |
| EXPECT_EQ((a - b), res); |
| EXPECT_DISASSEMBLY( |
| "push ebx\n" |
| "mov eax,[esp+0x8]\n" |
| "mov edx,[esp+0xc]\n" |
| "mov ecx,[esp+0x10]\n" |
| "mov ebx,[esp+0x14]\n" |
| "sub eax,ecx\n" |
| "sbb edx,ebx\n" |
| "pop ebx\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(LongSubAddress, assembler) { |
| __ movl(EAX, Address(ESP, 1 * target::kWordSize)); // left low. |
| __ movl(EDX, Address(ESP, 2 * target::kWordSize)); // left high. |
| __ subl(EAX, Address(ESP, 3 * target::kWordSize)); // low. |
| __ sbbl(EDX, Address(ESP, 4 * target::kWordSize)); // high. |
| // Result is in EAX/EDX. |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(LongSubAddress, test) { |
| typedef int64_t (*LongSubAddressCode)(int64_t a, int64_t b); |
| int64_t a = 12; |
| int64_t b = 14; |
| int64_t res = reinterpret_cast<LongSubAddressCode>(test->entry())(a, b); |
| EXPECT_EQ((a - b), res); |
| a = 600000; |
| b = 2147483647; |
| res = reinterpret_cast<LongSubAddressCode>(test->entry())(a, b); |
| EXPECT_EQ((a - b), res); |
| EXPECT_DISASSEMBLY( |
| "mov eax,[esp+0x4]\n" |
| "mov edx,[esp+0x8]\n" |
| "sub eax,[esp+0xc]\n" |
| "sbb edx,[esp+0x10]\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(LongSubAddress2, assembler) { |
| // Preserve clobbered callee-saved register (EBX). |
| __ pushl(EBX); |
| __ movl(EAX, Address(ESP, 2 * target::kWordSize)); // left low. |
| __ movl(EDX, Address(ESP, 3 * target::kWordSize)); // left high. |
| __ movl(ECX, Address(ESP, 4 * target::kWordSize)); // right low. |
| __ movl(EBX, Address(ESP, 5 * target::kWordSize)); // right high |
| __ subl(ESP, Immediate(2 * target::kWordSize)); |
| __ movl(Address(ESP, 0 * target::kWordSize), EAX); // left low. |
| __ movl(Address(ESP, 1 * target::kWordSize), EDX); // left high. |
| __ subl(Address(ESP, 0 * target::kWordSize), ECX); |
| __ sbbl(Address(ESP, 1 * target::kWordSize), EBX); |
| __ movl(EAX, Address(ESP, 0 * target::kWordSize)); |
| __ movl(EDX, Address(ESP, 1 * target::kWordSize)); |
| __ addl(ESP, Immediate(2 * target::kWordSize)); |
| __ popl(EBX); |
| // Result is in EAX/EDX. |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(LongSubAddress2, test) { |
| typedef int64_t (*LongSubAddress2Code)(int64_t a, int64_t b); |
| int64_t a = 12; |
| int64_t b = 14; |
| int64_t res = reinterpret_cast<LongSubAddress2Code>(test->entry())(a, b); |
| EXPECT_EQ((a - b), res); |
| a = 600000; |
| b = 2147483647; |
| res = reinterpret_cast<LongSubAddress2Code>(test->entry())(a, b); |
| EXPECT_EQ((a - b), res); |
| EXPECT_DISASSEMBLY( |
| "push ebx\n" |
| "mov eax,[esp+0x8]\n" |
| "mov edx,[esp+0xc]\n" |
| "mov ecx,[esp+0x10]\n" |
| "mov ebx,[esp+0x14]\n" |
| "sub esp,8\n" |
| "mov [esp],eax\n" |
| "mov [esp+0x4],edx\n" |
| "sub [esp],ecx\n" |
| "sbb [esp+0x4],ebx\n" |
| "mov eax,[esp]\n" |
| "mov edx,[esp+0x4]\n" |
| "add esp,8\n" |
| "pop ebx\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(LongAddAddress2, assembler) { |
| // Preserve clobbered callee-saved register (EBX). |
| __ pushl(EBX); |
| __ movl(EAX, Address(ESP, 2 * target::kWordSize)); // left low. |
| __ movl(EDX, Address(ESP, 3 * target::kWordSize)); // left high. |
| __ movl(ECX, Address(ESP, 4 * target::kWordSize)); // right low. |
| __ movl(EBX, Address(ESP, 5 * target::kWordSize)); // right high |
| __ subl(ESP, Immediate(2 * target::kWordSize)); |
| __ movl(Address(ESP, 0 * target::kWordSize), EAX); // left low. |
| __ movl(Address(ESP, 1 * target::kWordSize), EDX); // left high. |
| __ addl(Address(ESP, 0 * target::kWordSize), ECX); |
| __ adcl(Address(ESP, 1 * target::kWordSize), EBX); |
| __ movl(EAX, Address(ESP, 0 * target::kWordSize)); |
| __ movl(EDX, Address(ESP, 1 * target::kWordSize)); |
| __ addl(ESP, Immediate(2 * target::kWordSize)); |
| __ popl(EBX); |
| // Result is in EAX/EDX. |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(LongAddAddress2, test) { |
| typedef int64_t (*LongAddAddress2Code)(int64_t a, int64_t b); |
| int64_t a = 12; |
| int64_t b = 14; |
| int64_t res = reinterpret_cast<LongAddAddress2Code>(test->entry())(a, b); |
| EXPECT_EQ((a + b), res); |
| a = 600000; |
| b = 2147483647; |
| res = reinterpret_cast<LongAddAddress2Code>(test->entry())(a, b); |
| EXPECT_EQ((a + b), res); |
| EXPECT_DISASSEMBLY( |
| "push ebx\n" |
| "mov eax,[esp+0x8]\n" |
| "mov edx,[esp+0xc]\n" |
| "mov ecx,[esp+0x10]\n" |
| "mov ebx,[esp+0x14]\n" |
| "sub esp,8\n" |
| "mov [esp],eax\n" |
| "mov [esp+0x4],edx\n" |
| "add [esp],ecx\n" |
| "adc [esp+0x4],ebx\n" |
| "mov eax,[esp]\n" |
| "mov edx,[esp+0x4]\n" |
| "add esp,8\n" |
| "pop ebx\n" |
| "ret\n"); |
| } |
| |
| // Testing only the lower 64-bit value of 'cvtdq2pd'. |
| ASSEMBLER_TEST_GENERATE(IntegerToDoubleConversion, assembler) { |
| __ movsd(XMM1, Address(ESP, target::kWordSize)); |
| __ cvtdq2pd(XMM2, XMM1); |
| __ pushl(EAX); |
| __ pushl(EAX); |
| __ movsd(Address(ESP, 0), XMM2); |
| __ fldl(Address(ESP, 0)); |
| __ popl(EAX); |
| __ popl(EAX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(IntegerToDoubleConversion, test) { |
| typedef double (*IntegerToDoubleConversionCode)(int32_t); |
| const int32_t val = -12; |
| double res = |
| reinterpret_cast<IntegerToDoubleConversionCode>(test->entry())(val); |
| EXPECT_FLOAT_EQ(static_cast<double>(val), res, 0.001); |
| EXPECT_DISASSEMBLY( |
| "movsd xmm1,[esp+0x4]\n" |
| "cvtdq2pd xmm2,xmm1\n" |
| "push eax\n" |
| "push eax\n" |
| "movsd [esp],xmm2\n" |
| "fld_d [esp]\n" |
| "pop eax\n" |
| "pop eax\n" |
| "ret\n"); |
| } |
| |
| // Implement with truncation. |
| ASSEMBLER_TEST_GENERATE(FPUStoreLong, assembler) { |
| __ fldl(Address(ESP, target::kWordSize)); |
| __ pushl(EAX); |
| __ pushl(EAX); |
| __ fnstcw(Address(ESP, 0)); |
| __ movzxw(EAX, Address(ESP, 0)); |
| __ orl(EAX, Immediate(0x0c00)); |
| __ movw(Address(ESP, target::kWordSize), EAX); |
| __ fldcw(Address(ESP, target::kWordSize)); |
| __ pushl(EAX); |
| __ pushl(EAX); |
| __ fistpl(Address(ESP, 0)); |
| __ popl(EAX); |
| __ popl(EDX); |
| __ fldcw(Address(ESP, 0)); |
| __ addl(ESP, Immediate(target::kWordSize * 2)); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(FPUStoreLong, test) { |
| typedef int64_t (*FPUStoreLongCode)(double d); |
| double val = 12.2; |
| int64_t res = reinterpret_cast<FPUStoreLongCode>(test->entry())(val); |
| EXPECT_EQ(static_cast<int64_t>(val), res); |
| val = -12.2; |
| res = reinterpret_cast<FPUStoreLongCode>(test->entry())(val); |
| EXPECT_EQ(static_cast<int64_t>(val), res); |
| val = 12.8; |
| res = reinterpret_cast<FPUStoreLongCode>(test->entry())(val); |
| EXPECT_EQ(static_cast<int64_t>(val), res); |
| val = -12.8; |
| res = reinterpret_cast<FPUStoreLongCode>(test->entry())(val); |
| EXPECT_EQ(static_cast<int64_t>(val), res); |
| EXPECT_DISASSEMBLY( |
| "fld_d [esp+0x4]\n" |
| "push eax\n" |
| "push eax\n" |
| "fnstcw [esp]\n" |
| "movzxw eax,[esp]\n" |
| "or eax,0xc00\n" |
| "movw [esp+0x4],eax\n" |
| "fldcw [esp+0x4]\n" |
| "push eax\n" |
| "push eax\n" |
| "fistp_d [esp]\n" |
| "pop eax\n" |
| "pop edx\n" |
| "fldcw [esp]\n" |
| "add esp,8\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(XorpdZeroing, assembler) { |
| __ movsd(XMM0, Address(ESP, target::kWordSize)); |
| __ xorpd(XMM0, XMM0); |
| __ pushl(EAX); |
| __ pushl(EAX); |
| __ movsd(Address(ESP, 0), XMM0); |
| __ fldl(Address(ESP, 0)); |
| __ popl(EAX); |
| __ popl(EAX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(XorpdZeroing, test) { |
| typedef double (*XorpdZeroingCode)(double d); |
| double res = reinterpret_cast<XorpdZeroingCode>(test->entry())(12.56e3); |
| EXPECT_FLOAT_EQ(0.0, res, 0.0001); |
| EXPECT_DISASSEMBLY( |
| "movsd xmm0,[esp+0x4]\n" |
| "xorpd xmm0,xmm0\n" |
| "push eax\n" |
| "push eax\n" |
| "movsd [esp],xmm0\n" |
| "fld_d [esp]\n" |
| "pop eax\n" |
| "pop eax\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(Pxor, assembler) { |
| __ movsd(XMM0, Address(ESP, target::kWordSize)); |
| __ pxor(XMM0, XMM0); |
| __ pushl(EAX); |
| __ pushl(EAX); |
| __ movsd(Address(ESP, 0), XMM0); |
| __ fldl(Address(ESP, 0)); |
| __ popl(EAX); |
| __ popl(EAX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(Pxor, test) { |
| typedef double (*PxorCode)(double d); |
| double res = reinterpret_cast<PxorCode>(test->entry())(12.3456e3); |
| EXPECT_FLOAT_EQ(0.0, res, 0.0); |
| EXPECT_DISASSEMBLY( |
| "movsd xmm0,[esp+0x4]\n" |
| "pxor xmm0,xmm0\n" |
| "push eax\n" |
| "push eax\n" |
| "movsd [esp],xmm0\n" |
| "fld_d [esp]\n" |
| "pop eax\n" |
| "pop eax\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(Orpd, assembler) { |
| __ movsd(XMM0, Address(ESP, target::kWordSize)); |
| __ xorpd(XMM1, XMM1); |
| __ DoubleNegate(XMM1); |
| __ orpd(XMM0, XMM1); |
| __ pushl(EAX); |
| __ pushl(EAX); |
| __ movsd(Address(ESP, 0), XMM0); |
| __ fldl(Address(ESP, 0)); |
| __ popl(EAX); |
| __ popl(EAX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(Orpd, test) { |
| typedef double (*OrpdCode)(double d); |
| double res = reinterpret_cast<OrpdCode>(test->entry())(12.56e3); |
| EXPECT_FLOAT_EQ(-12.56e3, res, 0.0); |
| EXPECT_DISASSEMBLY( |
| "movsd xmm0,[esp+0x4]\n" |
| "xorpd xmm1,xmm1\n" |
| "xorpd xmm1,[0x.......]\n" |
| "orpd xmm0,xmm1\n" |
| "push eax\n" |
| "push eax\n" |
| "movsd [esp],xmm0\n" |
| "fld_d [esp]\n" |
| "pop eax\n" |
| "pop eax\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(Pextrd0, assembler) { |
| if (TargetCPUFeatures::sse4_1_supported()) { |
| __ movsd(XMM0, Address(ESP, target::kWordSize)); |
| __ pextrd(EAX, XMM0, Immediate(0)); |
| } |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(Pextrd0, test) { |
| if (TargetCPUFeatures::sse4_1_supported()) { |
| typedef int32_t (*PextrdCode0)(double d); |
| int32_t res = reinterpret_cast<PextrdCode0>(test->entry())(123456789); |
| EXPECT_EQ(0x54000000, res); |
| } |
| EXPECT_DISASSEMBLY( |
| "movsd xmm0,[esp+0x4]\n" |
| "pextrd eax,xmm0,0\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(Pextrd1, assembler) { |
| if (TargetCPUFeatures::sse4_1_supported()) { |
| __ movsd(XMM0, Address(ESP, target::kWordSize)); |
| __ pextrd(EAX, XMM0, Immediate(1)); |
| } |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(Pextrd1, test) { |
| if (TargetCPUFeatures::sse4_1_supported()) { |
| typedef int32_t (*PextrdCode1)(double d); |
| int32_t res = reinterpret_cast<PextrdCode1>(test->entry())(123456789); |
| EXPECT_EQ(0x419d6f34, res); |
| } |
| EXPECT_DISASSEMBLY( |
| "movsd xmm0,[esp+0x4]\n" |
| "pextrd eax,xmm0,1\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(Pmovsxdq, assembler) { |
| if (TargetCPUFeatures::sse4_1_supported()) { |
| __ movsd(XMM0, Address(ESP, target::kWordSize)); |
| __ pmovsxdq(XMM0, XMM0); |
| __ pextrd(EAX, XMM0, Immediate(1)); |
| } |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(Pmovsxdq, test) { |
| if (TargetCPUFeatures::sse4_1_supported()) { |
| typedef int32_t (*PmovsxdqCode)(double d); |
| int32_t res = reinterpret_cast<PmovsxdqCode>(test->entry())(123456789); |
| EXPECT_EQ(0, res); |
| } |
| EXPECT_DISASSEMBLY( |
| "movsd xmm0,[esp+0x4]\n" |
| "pmovsxdq xmm0,xmm0\n" |
| "pextrd eax,xmm0,1\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(Pcmpeqq, assembler) { |
| if (TargetCPUFeatures::sse4_1_supported()) { |
| __ movsd(XMM0, Address(ESP, target::kWordSize)); |
| __ xorpd(XMM1, XMM1); |
| __ pcmpeqq(XMM0, XMM1); |
| __ movd(EAX, XMM0); |
| } |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(Pcmpeqq, test) { |
| if (TargetCPUFeatures::sse4_1_supported()) { |
| typedef int32_t (*PcmpeqqCode)(double d); |
| int32_t res = reinterpret_cast<PcmpeqqCode>(test->entry())(0); |
| EXPECT_EQ(-1, res); |
| } |
| EXPECT_DISASSEMBLY( |
| "movsd xmm0,[esp+0x4]\n" |
| "xorpd xmm1,xmm1\n" |
| "pcmpeqq xmm0,xmm1\n" |
| "movd eax,xmm0\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(AndPd, assembler) { |
| __ movsd(XMM0, Address(ESP, target::kWordSize)); |
| __ andpd(XMM0, XMM0); |
| __ pushl(EAX); |
| __ pushl(EAX); |
| __ movsd(Address(ESP, 0), XMM0); |
| __ fldl(Address(ESP, 0)); |
| __ popl(EAX); |
| __ popl(EAX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(AndPd, test) { |
| typedef double (*AndpdCode)(double d); |
| double res = reinterpret_cast<AndpdCode>(test->entry())(12.56e3); |
| EXPECT_FLOAT_EQ(12.56e3, res, 0.0); |
| EXPECT_DISASSEMBLY( |
| "movsd xmm0,[esp+0x4]\n" |
| "andpd xmm0,xmm0\n" |
| "push eax\n" |
| "push eax\n" |
| "movsd [esp],xmm0\n" |
| "fld_d [esp]\n" |
| "pop eax\n" |
| "pop eax\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(Movq, assembler) { |
| __ movq(XMM0, Address(ESP, target::kWordSize)); |
| __ subl(ESP, Immediate(kDoubleSize)); |
| __ movq(Address(ESP, 0), XMM0); |
| __ fldl(Address(ESP, 0)); |
| __ addl(ESP, Immediate(kDoubleSize)); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(Movq, test) { |
| typedef double (*MovqCode)(double d); |
| double res = reinterpret_cast<MovqCode>(test->entry())(12.34e5); |
| EXPECT_FLOAT_EQ(12.34e5, res, 0.0); |
| EXPECT_DISASSEMBLY( |
| "movq xmm0, [esp+0x4]\n" |
| "sub esp,8\n" |
| "movq [esp],xmm0\n" |
| "fld_d [esp]\n" |
| "add esp,8\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(DoubleAbs, assembler) { |
| __ movsd(XMM0, Address(ESP, target::kWordSize)); |
| __ DoubleAbs(XMM0); |
| __ pushl(EAX); |
| __ pushl(EAX); |
| __ movsd(Address(ESP, 0), XMM0); |
| __ fldl(Address(ESP, 0)); |
| __ popl(EAX); |
| __ popl(EAX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(DoubleAbs, test) { |
| typedef double (*DoubleAbsCode)(double d); |
| double val = -12.45; |
| double res = reinterpret_cast<DoubleAbsCode>(test->entry())(val); |
| EXPECT_FLOAT_EQ(-val, res, 0.001); |
| val = 12.45; |
| res = reinterpret_cast<DoubleAbsCode>(test->entry())(val); |
| EXPECT_FLOAT_EQ(val, res, 0.001); |
| EXPECT_DISASSEMBLY( |
| "movsd xmm0,[esp+0x4]\n" |
| "andpd xmm0,[0x.......]\n" |
| "push eax\n" |
| "push eax\n" |
| "movsd [esp],xmm0\n" |
| "fld_d [esp]\n" |
| "pop eax\n" |
| "pop eax\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(ExtractSignBits, assembler) { |
| __ movsd(XMM0, Address(ESP, target::kWordSize)); |
| __ movmskpd(EAX, XMM0); |
| __ andl(EAX, Immediate(0x1)); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(ExtractSignBits, test) { |
| typedef int (*ExtractSignBits)(double d); |
| int res = reinterpret_cast<ExtractSignBits>(test->entry())(1.0); |
| EXPECT_EQ(0, res); |
| res = reinterpret_cast<ExtractSignBits>(test->entry())(-1.0); |
| EXPECT_EQ(1, res); |
| res = reinterpret_cast<ExtractSignBits>(test->entry())(-0.0); |
| EXPECT_EQ(1, res); |
| EXPECT_DISASSEMBLY( |
| "movsd xmm0,[esp+0x4]\n" |
| "movmskpd eax,xmm0\n" |
| "and eax,1\n" |
| "ret\n"); |
| } |
| |
| // Return -1 if signed, 1 if not signed and 0 otherwise. |
| ASSEMBLER_TEST_GENERATE(ConditionalMovesSign, assembler) { |
| // Preserve clobbered callee-saved register (EBX). |
| __ pushl(EBX); |
| |
| __ movl(EDX, Address(ESP, 2 * target::kWordSize)); |
| __ xorl(EAX, EAX); |
| __ movl(EBX, Immediate(1)); |
| __ movl(ECX, Immediate(-1)); |
| __ testl(EDX, EDX); |
| __ cmovs(EAX, ECX); // return -1. |
| __ testl(EDX, EDX); |
| __ cmovns(EAX, EBX); // return 1. |
| |
| // Restore callee-saved register (EBX) and return. |
| __ popl(EBX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(ConditionalMovesSign, test) { |
| typedef int (*ConditionalMovesSignCode)(int i); |
| int res = reinterpret_cast<ConditionalMovesSignCode>(test->entry())(785); |
| EXPECT_EQ(1, res); |
| res = reinterpret_cast<ConditionalMovesSignCode>(test->entry())(-12); |
| EXPECT_EQ(-1, res); |
| EXPECT_DISASSEMBLY( |
| "push ebx\n" |
| "mov edx,[esp+0x8]\n" |
| "xor eax,eax\n" |
| "mov ebx,1\n" |
| "mov ecx,0xffffffff\n" |
| "test edx,edx\n" |
| "cmovs eax,ecx\n" |
| "test edx,edx\n" |
| "cmovns eax,ebx\n" |
| "pop ebx\n" |
| "ret\n"); |
| } |
| |
| // Return 1 if overflow, 0 if no overflow. |
| ASSEMBLER_TEST_GENERATE(ConditionalMovesNoOverflow, assembler) { |
| __ movl(EDX, Address(ESP, 1 * target::kWordSize)); |
| __ addl(EDX, Address(ESP, 2 * target::kWordSize)); |
| __ movl(EAX, Immediate(1)); |
| __ movl(ECX, Immediate(0)); |
| __ cmovno(EAX, ECX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(ConditionalMovesNoOverflow, test) { |
| typedef int (*ConditionalMovesNoOverflowCode)(int i, int j); |
| int res = reinterpret_cast<ConditionalMovesNoOverflowCode>(test->entry())( |
| 0x7fffffff, 2); |
| EXPECT_EQ(1, res); |
| res = reinterpret_cast<ConditionalMovesNoOverflowCode>(test->entry())(1, 1); |
| EXPECT_EQ(0, res); |
| EXPECT_DISASSEMBLY( |
| "mov edx,[esp+0x4]\n" |
| "add edx,[esp+0x8]\n" |
| "mov eax,1\n" |
| "mov ecx,0\n" |
| "cmovno eax,ecx\n" |
| "ret\n"); |
| } |
| |
| // Return 1 if equal, 0 if not equal. |
| ASSEMBLER_TEST_GENERATE(ConditionalMovesEqual, assembler) { |
| __ xorl(EAX, EAX); |
| __ movl(ECX, Immediate(1)); |
| __ movl(EDX, Address(ESP, 1 * target::kWordSize)); |
| __ cmpl(EDX, Immediate(785)); |
| __ cmove(EAX, ECX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(ConditionalMovesEqual, test) { |
| typedef int (*ConditionalMovesEqualCode)(int i); |
| int res = reinterpret_cast<ConditionalMovesEqualCode>(test->entry())(785); |
| EXPECT_EQ(1, res); |
| res = reinterpret_cast<ConditionalMovesEqualCode>(test->entry())(-12); |
| EXPECT_EQ(0, res); |
| EXPECT_DISASSEMBLY( |
| "xor eax,eax\n" |
| "mov ecx,1\n" |
| "mov edx,[esp+0x4]\n" |
| "cmp edx,0x311\n" |
| "cmovz eax,ecx\n" |
| "ret\n"); |
| } |
| |
| // Return 1 if not equal, 0 if equal. |
| ASSEMBLER_TEST_GENERATE(ConditionalMovesNotEqual, assembler) { |
| __ xorl(EAX, EAX); |
| __ movl(ECX, Immediate(1)); |
| __ movl(EDX, Address(ESP, 1 * target::kWordSize)); |
| __ cmpl(EDX, Immediate(785)); |
| __ cmovne(EAX, ECX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(ConditionalMovesNotEqual, test) { |
| typedef int (*ConditionalMovesNotEqualCode)(int i); |
| int res = reinterpret_cast<ConditionalMovesNotEqualCode>(test->entry())(785); |
| EXPECT_EQ(0, res); |
| res = reinterpret_cast<ConditionalMovesNotEqualCode>(test->entry())(-12); |
| EXPECT_EQ(1, res); |
| EXPECT_DISASSEMBLY( |
| "xor eax,eax\n" |
| "mov ecx,1\n" |
| "mov edx,[esp+0x4]\n" |
| "cmp edx,0x311\n" |
| "cmovnz eax,ecx\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(ConditionalMovesCompare, assembler) { |
| __ movl(EDX, Immediate(1)); // Greater equal. |
| __ movl(ECX, Immediate(-1)); // Less |
| __ movl(EAX, Address(ESP, 1 * target::kWordSize)); |
| __ cmpl(EAX, Address(ESP, 2 * target::kWordSize)); |
| __ cmovlessl(EAX, ECX); |
| __ cmovgel(EAX, EDX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(ConditionalMovesCompare, test) { |
| typedef int (*ConditionalMovesCompareCode)(int i, int j); |
| int res = reinterpret_cast<ConditionalMovesCompareCode>(test->entry())(10, 5); |
| EXPECT_EQ(1, res); // Greater equal. |
| res = reinterpret_cast<ConditionalMovesCompareCode>(test->entry())(5, 5); |
| EXPECT_EQ(1, res); // Greater equal. |
| res = reinterpret_cast<ConditionalMovesCompareCode>(test->entry())(2, 5); |
| EXPECT_EQ(-1, res); // Less. |
| EXPECT_DISASSEMBLY( |
| "mov edx,1\n" |
| "mov ecx,0xffffffff\n" |
| "mov eax,[esp+0x4]\n" |
| "cmp eax,[esp+0x8]\n" |
| "cmovl eax,ecx\n" |
| "cmovge eax,edx\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(TestLoadDoubleConstant, assembler) { |
| __ LoadDoubleConstant(XMM3, -12.34); |
| __ pushl(EAX); |
| __ pushl(EAX); |
| __ movsd(Address(ESP, 0), XMM3); |
| __ fldl(Address(ESP, 0)); |
| __ popl(EAX); |
| __ popl(EAX); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(TestLoadDoubleConstant, test) { |
| typedef double (*TestLoadDoubleConstantCode)(); |
| double res = reinterpret_cast<TestLoadDoubleConstantCode>(test->entry())(); |
| EXPECT_FLOAT_EQ(-12.34, res, 0.0001); |
| EXPECT_DISASSEMBLY( |
| "push 0xc028ae14\n" |
| "push 0x7ae147ae\n" |
| "movsd xmm3,[esp]\n" |
| "add esp,8\n" |
| "push eax\n" |
| "push eax\n" |
| "movsd [esp],xmm3\n" |
| "fld_d [esp]\n" |
| "pop eax\n" |
| "pop eax\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(TestObjectCompare, assembler) { |
| ObjectStore* object_store = IsolateGroup::Current()->object_store(); |
| const Object& obj = Object::ZoneHandle(object_store->smi_class()); |
| Label fail; |
| __ LoadObject(EAX, obj); |
| __ CompareObject(EAX, obj); |
| __ j(NOT_EQUAL, &fail); |
| __ LoadObject(ECX, obj); |
| __ CompareObject(ECX, obj); |
| __ j(NOT_EQUAL, &fail); |
| __ movl(EAX, Immediate(1)); // OK |
| __ ret(); |
| __ Bind(&fail); |
| __ movl(EAX, Immediate(0)); // Fail. |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(TestObjectCompare, test) { |
| typedef bool (*TestObjectCompare)(); |
| bool res = reinterpret_cast<TestObjectCompare>(test->entry())(); |
| EXPECT_EQ(true, res); |
| // Disassembly contains absolute addresses of objects that vary between runs. |
| } |
| |
| ASSEMBLER_TEST_GENERATE(TestSetCC, assembler) { |
| __ movl(EAX, Immediate(0xFFFFFFFF)); |
| __ cmpl(EAX, EAX); |
| __ setcc(NOT_EQUAL, AL); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(TestSetCC, test) { |
| typedef uword (*TestSetCC)(); |
| uword res = reinterpret_cast<TestSetCC>(test->entry())(); |
| EXPECT_EQ(0xFFFFFF00, res); |
| EXPECT_DISASSEMBLY( |
| "mov eax,0xffffffff\n" |
| "cmp eax,eax\n" |
| "setnz eax\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(TestNop, assembler) { |
| __ nop(1); |
| __ nop(2); |
| __ nop(3); |
| __ nop(4); |
| __ nop(5); |
| __ nop(6); |
| __ nop(7); |
| __ nop(8); |
| __ movl(EAX, Immediate(assembler->CodeSize())); // Return code size. |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(TestNop, test) { |
| typedef int (*TestNop)(); |
| int res = reinterpret_cast<TestNop>(test->entry())(); |
| EXPECT_EQ(36, res); // 36 nop bytes emitted. |
| EXPECT_DISASSEMBLY( |
| "nop\n" |
| "nop\n" |
| "nop\n" |
| "nop\n" |
| "nop\n" |
| "nop\n" |
| "nop\n" |
| "nop\n" |
| "mov eax,0x24\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(TestAlign0, assembler) { |
| __ Align(4, 0); |
| __ movl(EAX, Immediate(assembler->CodeSize())); // Return code size. |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(TestAlign0, test) { |
| typedef int (*TestAlign0)(); |
| int res = reinterpret_cast<TestAlign0>(test->entry())(); |
| EXPECT_EQ(0, res); // 0 bytes emitted. |
| EXPECT_DISASSEMBLY( |
| "mov eax,0\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(TestAlign1, assembler) { |
| __ nop(1); |
| __ Align(4, 0); |
| __ movl(EAX, Immediate(assembler->CodeSize())); // Return code size. |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(TestAlign1, test) { |
| typedef int (*TestAlign1)(); |
| int res = reinterpret_cast<TestAlign1>(test->entry())(); |
| EXPECT_EQ(4, res); // 4 bytes emitted. |
| EXPECT_DISASSEMBLY( |
| "nop\n" |
| "nop\n" |
| "mov eax,4\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(TestAlign1Offset1, assembler) { |
| __ nop(1); |
| __ Align(4, 1); |
| __ movl(EAX, Immediate(assembler->CodeSize())); // Return code size. |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(TestAlign1Offset1, test) { |
| typedef int (*TestAlign1Offset1)(); |
| int res = reinterpret_cast<TestAlign1Offset1>(test->entry())(); |
| EXPECT_EQ(3, res); // 3 bytes emitted. |
| EXPECT_DISASSEMBLY( |
| "nop\n" |
| "nop\n" |
| "mov eax,3\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(TestAlignLarge, assembler) { |
| __ nop(1); |
| __ Align(16, 0); |
| __ movl(EAX, Immediate(assembler->CodeSize())); // Return code size. |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(TestAlignLarge, test) { |
| typedef int (*TestAlignLarge)(); |
| int res = reinterpret_cast<TestAlignLarge>(test->entry())(); |
| EXPECT_EQ(16, res); // 16 bytes emitted. |
| EXPECT_DISASSEMBLY( |
| "nop\n" |
| "nop\n" |
| "nop\n" |
| "mov eax,0x10\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(TestRepMovsBytes, assembler) { |
| // Preserve registers. |
| __ pushl(ESI); |
| __ pushl(EDI); |
| __ pushl(ECX); |
| __ movl(ESI, Address(ESP, 4 * target::kWordSize)); // from. |
| __ movl(EDI, Address(ESP, 5 * target::kWordSize)); // to. |
| __ movl(ECX, Address(ESP, 6 * target::kWordSize)); // count. |
| __ rep_movsb(); |
| __ popl(ECX); |
| __ popl(EDI); |
| __ popl(ESI); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(TestRepMovsBytes, test) { |
| const char* from = "0123456789x"; |
| char* to = new char[11]{0}; |
| to[10] = 'y'; |
| typedef void (*TestRepMovsBytes)(const char* from, char* to, int count); |
| reinterpret_cast<TestRepMovsBytes>(test->entry())(from, to, 10); |
| EXPECT_EQ(to[0], '0'); |
| for (int i = 0; i < 10; i++) { |
| EXPECT_EQ(from[i], to[i]); |
| } |
| EXPECT_EQ(to[10], 'y'); |
| delete[] to; |
| EXPECT_DISASSEMBLY( |
| "push esi\n" |
| "push edi\n" |
| "push ecx\n" |
| "mov esi,[esp+0x10]\n" |
| "mov edi,[esp+0x14]\n" |
| "mov ecx,[esp+0x18]\n" |
| "rep movsb\n" |
| "pop ecx\n" |
| "pop edi\n" |
| "pop esi\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(TestRepMovsWords, assembler) { |
| // Preserve registers. |
| __ pushl(ESI); |
| __ pushl(EDI); |
| __ pushl(ECX); |
| __ movl(ESI, Address(ESP, 4 * target::kWordSize)); // from. |
| __ movl(EDI, Address(ESP, 5 * target::kWordSize)); // to. |
| __ movl(ECX, Address(ESP, 6 * target::kWordSize)); // count. |
| __ rep_movsw(); |
| __ popl(ECX); |
| __ popl(EDI); |
| __ popl(ESI); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(TestRepMovsWords, test) { |
| const uint16_t from[11] = {0x0123, 0x1234, 0x2345, 0x3456, 0x4567, 0x5678, |
| 0x6789, 0x789A, 0x89AB, 0x9ABC, 0xABCD}; |
| uint16_t* to = new uint16_t[11]{0}; |
| to[10] = 0xFEFE; |
| typedef void (*TestRepMovsWords)(const uint16_t* from, uint16_t* to, |
| int count); |
| reinterpret_cast<TestRepMovsWords>(test->entry())(from, to, 10); |
| EXPECT_EQ(to[0], 0x0123u); |
| for (int i = 0; i < 10; i++) { |
| EXPECT_EQ(from[i], to[i]); |
| } |
| EXPECT_EQ(to[10], 0xFEFEu); |
| delete[] to; |
| EXPECT_DISASSEMBLY( |
| "push esi\n" |
| "push edi\n" |
| "push ecx\n" |
| "mov esi,[esp+0x10]\n" |
| "mov edi,[esp+0x14]\n" |
| "mov ecx,[esp+0x18]\n" |
| "rep movsw\n" |
| "pop ecx\n" |
| "pop edi\n" |
| "pop esi\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(TestRepMovsDwords, assembler) { |
| // Preserve registers. |
| __ pushl(ESI); |
| __ pushl(EDI); |
| __ pushl(ECX); |
| __ movl(ESI, Address(ESP, 4 * target::kWordSize)); // from. |
| __ movl(EDI, Address(ESP, 5 * target::kWordSize)); // to. |
| __ movl(ECX, Address(ESP, 6 * target::kWordSize)); // count. |
| __ rep_movsl(); |
| __ popl(ECX); |
| __ popl(EDI); |
| __ popl(ESI); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(TestRepMovsDwords, test) { |
| const uint32_t from[11] = {0x01234567, 0x12345678, 0x23456789, 0x3456789A, |
| 0x456789AB, 0x56789ABC, 0x6789ABCD, 0x789ABCDE, |
| 0x89ABCDEF, 0x9ABCDEF0, 0xABCDEF01}; |
| uint32_t* to = new uint32_t[11]{0}; |
| to[10] = 0xFEFEFEFE; |
| typedef void (*TestRepMovsDwords)(const uint32_t* from, uint32_t* to, |
| int count); |
| reinterpret_cast<TestRepMovsDwords>(test->entry())(from, to, 10); |
| EXPECT_EQ(to[0], 0x01234567u); |
| for (int i = 0; i < 10; i++) { |
| EXPECT_EQ(from[i], to[i]); |
| } |
| EXPECT_EQ(to[10], 0xFEFEFEFEu); |
| delete[] to; |
| EXPECT_DISASSEMBLY( |
| "push esi\n" |
| "push edi\n" |
| "push ecx\n" |
| "mov esi,[esp+0x10]\n" |
| "mov edi,[esp+0x14]\n" |
| "mov ecx,[esp+0x18]\n" |
| "rep movsl\n" |
| "pop ecx\n" |
| "pop edi\n" |
| "pop esi\n" |
| "ret\n"); |
| } |
| |
| // Called from assembler_test.cc. |
| ASSEMBLER_TEST_GENERATE(StoreIntoObject, assembler) { |
| __ pushl(THR); |
| __ movl(EAX, Address(ESP, 2 * target::kWordSize)); |
| __ movl(ECX, Address(ESP, 3 * target::kWordSize)); |
| __ movl(THR, Address(ESP, 4 * target::kWordSize)); |
| __ pushl(EAX); |
| __ StoreIntoObject(ECX, FieldAddress(ECX, GrowableObjectArray::data_offset()), |
| EAX); |
| __ popl(EAX); |
| __ popl(THR); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(BitTestTest, assembler) { |
| __ movl(EAX, Immediate(4)); |
| __ movl(ECX, Immediate(2)); |
| __ bt(EAX, ECX); |
| Label ok; |
| __ j(CARRY, &ok); |
| __ int3(); |
| __ Bind(&ok); |
| __ movl(EAX, Immediate(1)); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(BitTestTest, test) { |
| typedef int (*BitTest)(); |
| EXPECT_EQ(1, reinterpret_cast<BitTest>(test->entry())()); |
| EXPECT_DISASSEMBLY( |
| "mov eax,4\n" |
| "mov ecx,2\n" |
| "bt eax,ecx\n" |
| "jc +7\n" |
| "int3\n" |
| "mov eax,1\n" |
| "ret\n"); |
| } |
| |
| ASSEMBLER_TEST_GENERATE(BitTestImmediate, assembler) { |
| __ movl(ECX, Immediate(32)); |
| __ bt(ECX, 5); |
| Label ok; |
| __ j(CARRY, &ok); |
| __ int3(); |
| __ Bind(&ok); |
| __ movl(EAX, Immediate(1)); |
| __ ret(); |
| } |
| |
| ASSEMBLER_TEST_RUN(BitTestImmediate, test) { |
| typedef int (*BitTestImmediate)(); |
| EXPECT_EQ(1, reinterpret_cast<BitTestImmediate>(test->entry())()); |
| EXPECT_DISASSEMBLY( |
| "mov ecx,0x20\n" |
| "bt ecx,5\n" |
| "jc +7\n" |
| "int3\n" |
| "mov eax,1\n" |
| "ret\n"); |
| } |
| |
| // clang-format off |
| #define ALU_TEST(NAME, WIDTH, INTRO, LHS, RHS, OUTRO) \ |
| ASSEMBLER_TEST_GENERATE(NAME, assembler) { \ |
| __ movl(EAX, Immediate(0x87654321)); \ |
| __ movl(ECX, Immediate(0x12345678)); \ |
| \ |
| INTRO; \ |
| \ |
| __ and##WIDTH(LHS, RHS); \ |
| __ or##WIDTH(RHS, LHS); \ |
| __ xor##WIDTH(LHS, RHS); \ |
| __ add##WIDTH(RHS, LHS); \ |
| __ cmp##WIDTH(LHS, RHS); \ |
| __ adc##WIDTH(LHS, RHS); \ |
| __ sub##WIDTH(RHS, LHS); \ |
| __ sbb##WIDTH(LHS, RHS); \ |
| \ |
| OUTRO; \ |
| /* A sort of movx(EAX, EAX) */ \ |
| __ xorl(ECX, ECX); \ |
| __ add##WIDTH(ECX, EAX); \ |
| __ andl(EAX, ECX); \ |
| __ ret(); \ |
| } \ |
| \ |
| ASSEMBLER_TEST_RUN(NAME, test) { \ |
| typedef uint32_t (*NAME)(); \ |
| uint32_t expectation_l = 0x42649381; \ |
| uint16_t expectation_w = expectation_l; \ |
| uint32_t expectation = expectation_##WIDTH | expectation_w; \ |
| EXPECT_EQ(expectation, reinterpret_cast<NAME>(test->entry())()); \ |
| } |
| // clang-format on |
| |
| ALU_TEST(RegRegW, w, , EAX, ECX, ) |
| ALU_TEST(RegAddrW1, w, __ pushl(EAX), Address(ESP, 0), ECX, __ popl(EAX)) |
| ALU_TEST(RegAddrW2, w, __ pushl(ECX), EAX, Address(ESP, 0), __ popl(ECX)) |
| ALU_TEST(RegRegL, l, , EAX, ECX, ) |
| ALU_TEST(RegAddrL1, l, __ pushl(EAX), Address(ESP, 0), ECX, __ popl(EAX)) |
| ALU_TEST(RegAddrL2, l, __ pushl(ECX), EAX, Address(ESP, 0), __ popl(ECX)) |
| |
| #define IMMEDIATE_TEST(NAME, REG, MASK, INTRO, VALUE, OUTRO) \ |
| ASSEMBLER_TEST_GENERATE(NAME, assembler) { \ |
| __ movl(REG, Immediate(0x87654321)); \ |
| \ |
| INTRO; \ |
| \ |
| __ andl(VALUE, Immediate(0xa8df51d3 & MASK)); \ |
| __ orl(VALUE, Immediate(0x1582a681 & MASK)); \ |
| __ xorl(VALUE, Immediate(0xa5a5a5a5 & MASK)); \ |
| __ addl(VALUE, Immediate(0x7fffffff & MASK)); \ |
| __ cmpl(VALUE, Immediate(0x40404040 & MASK)); \ |
| __ adcl(VALUE, Immediate(0x6eeeeeee & MASK)); \ |
| __ subl(VALUE, Immediate(0x7eeeeeee & MASK)); \ |
| __ sbbl(VALUE, Immediate(0x6fffffff & MASK)); \ |
| \ |
| OUTRO; \ |
| \ |
| __ movl(EAX, REG); \ |
| __ ret(); \ |
| } \ |
| \ |
| ASSEMBLER_TEST_RUN(NAME, test) { \ |
| typedef uint32_t (*NAME)(); \ |
| uint32_t expectation = MASK < 0x100 ? 0x24 : 0x30624223; \ |
| EXPECT_EQ(expectation, reinterpret_cast<NAME>(test->entry())()); \ |
| } |
| |
| // EAX-based instructions have different encodings so we test both EAX and ECX. |
| // If the immediate can be encoded as one byte there is also a different |
| // encoding, so test that too. |
| IMMEDIATE_TEST(RegImmEAX, EAX, 0xffffffff, , EAX, ) |
| IMMEDIATE_TEST(RegImmECX, ECX, 0xffffffff, , ECX, ) |
| IMMEDIATE_TEST(RegImmEAXByte, EAX, 0x7f, , EAX, ) |
| IMMEDIATE_TEST(RegImmECXByte, ECX, 0x7f, , ECX, ) |
| IMMEDIATE_TEST(AddrImmEAX, |
| EAX, |
| 0xffffffff, |
| __ pushl(EAX), |
| Address(ESP, 0), |
| __ popl(EAX)) |
| IMMEDIATE_TEST(AddrImmEAXByte, |
| EAX, |
| 0x7f, |
| __ pushl(EAX), |
| Address(ESP, 0), |
| __ popl(EAX)) |
| |
| } // namespace compiler |
| } // namespace dart |
| |
| #endif // defined TARGET_ARCH_IA32 |
