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// Copyright 2013 the V8 project authors. All rights reserved.
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// modification, are permitted provided that the following conditions are
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//
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <stdlib.h>
#include "src/assembler-inl.h"
#include "src/macro-assembler.h"
#include "src/objects-inl.h"
#include "src/simulator.h"
#include "src/v8.h"
#include "test/cctest/cctest.h"
namespace v8 {
namespace internal {
namespace test_macro_assembler_arm {
using F = void*(int x, int y, int p2, int p3, int p4);
#define __ masm->
using F3 = Object*(void* p0, int p1, int p2, int p3, int p4);
using F5 = int(void*, void*, void*, void*, void*);
TEST(LoadAndStoreWithRepresentation) {
Isolate* isolate = CcTest::i_isolate();
HandleScope handles(isolate);
size_t allocated;
byte* buffer = AllocateAssemblerBuffer(&allocated);
MacroAssembler assembler(isolate, buffer, static_cast<int>(allocated),
v8::internal::CodeObjectRequired::kYes);
MacroAssembler* masm = &assembler; // Create a pointer for the __ macro.
__ sub(sp, sp, Operand(1 * kPointerSize));
Label exit;
// Test 1.
__ mov(r0, Operand(1)); // Test number.
__ mov(r1, Operand(0));
__ str(r1, MemOperand(sp, 0 * kPointerSize));
__ mov(r2, Operand(-1));
__ Store(r2, MemOperand(sp, 0 * kPointerSize), Representation::UInteger8());
__ ldr(r3, MemOperand(sp, 0 * kPointerSize));
__ mov(r2, Operand(255));
__ cmp(r3, r2);
__ b(ne, &exit);
__ mov(r2, Operand(255));
__ Load(r3, MemOperand(sp, 0 * kPointerSize), Representation::UInteger8());
__ cmp(r3, r2);
__ b(ne, &exit);
// Test 2.
__ mov(r0, Operand(2)); // Test number.
__ mov(r1, Operand(0));
__ str(r1, MemOperand(sp, 0 * kPointerSize));
__ mov(r2, Operand(-1));
__ Store(r2, MemOperand(sp, 0 * kPointerSize), Representation::Integer8());
__ ldr(r3, MemOperand(sp, 0 * kPointerSize));
__ mov(r2, Operand(255));
__ cmp(r3, r2);
__ b(ne, &exit);
__ mov(r2, Operand(-1));
__ Load(r3, MemOperand(sp, 0 * kPointerSize), Representation::Integer8());
__ cmp(r3, r2);
__ b(ne, &exit);
// Test 3.
__ mov(r0, Operand(3)); // Test number.
__ mov(r1, Operand(0));
__ str(r1, MemOperand(sp, 0 * kPointerSize));
__ mov(r2, Operand(-1));
__ Store(r2, MemOperand(sp, 0 * kPointerSize), Representation::UInteger16());
__ ldr(r3, MemOperand(sp, 0 * kPointerSize));
__ mov(r2, Operand(65535));
__ cmp(r3, r2);
__ b(ne, &exit);
__ mov(r2, Operand(65535));
__ Load(r3, MemOperand(sp, 0 * kPointerSize), Representation::UInteger16());
__ cmp(r3, r2);
__ b(ne, &exit);
// Test 4.
__ mov(r0, Operand(4)); // Test number.
__ mov(r1, Operand(0));
__ str(r1, MemOperand(sp, 0 * kPointerSize));
__ mov(r2, Operand(-1));
__ Store(r2, MemOperand(sp, 0 * kPointerSize), Representation::Integer16());
__ ldr(r3, MemOperand(sp, 0 * kPointerSize));
__ mov(r2, Operand(65535));
__ cmp(r3, r2);
__ b(ne, &exit);
__ mov(r2, Operand(-1));
__ Load(r3, MemOperand(sp, 0 * kPointerSize), Representation::Integer16());
__ cmp(r3, r2);
__ b(ne, &exit);
__ mov(r0, Operand(0)); // Success.
__ bind(&exit);
__ add(sp, sp, Operand(1 * kPointerSize));
__ bx(lr);
CodeDesc desc;
masm->GetCode(isolate, &desc);
Handle<Code> code =
isolate->factory()->NewCode(desc, Code::STUB, Handle<Code>());
// Call the function from C++.
auto f = GeneratedCode<F5>::FromCode(*code);
CHECK(!f.Call(0, 0, 0, 0, 0));
}
TEST(ExtractLane) {
if (!CpuFeatures::IsSupported(NEON)) return;
Isolate* isolate = CcTest::i_isolate();
HandleScope handles(isolate);
size_t allocated;
byte* buffer = AllocateAssemblerBuffer(&allocated);
MacroAssembler assembler(isolate, buffer, static_cast<int>(allocated),
v8::internal::CodeObjectRequired::kYes);
MacroAssembler* masm = &assembler; // Create a pointer for the __ macro.
typedef struct {
int32_t i32x4_low[4];
int32_t i32x4_high[4];
int32_t i16x8_low[8];
int32_t i16x8_high[8];
int32_t i8x16_low[16];
int32_t i8x16_high[16];
int32_t f32x4_low[4];
int32_t f32x4_high[4];
int32_t i8x16_low_d[16];
int32_t i8x16_high_d[16];
} T;
T t;
__ stm(db_w, sp, r4.bit() | r5.bit() | lr.bit());
for (int i = 0; i < 4; i++) {
__ mov(r4, Operand(i));
__ vdup(Neon32, q1, r4);
__ ExtractLane(r5, q1, NeonS32, i);
__ str(r5, MemOperand(r0, offsetof(T, i32x4_low) + 4 * i));
SwVfpRegister si = SwVfpRegister::from_code(i);
__ ExtractLane(si, q1, i);
__ vstr(si, r0, offsetof(T, f32x4_low) + 4 * i);
}
for (int i = 0; i < 8; i++) {
__ mov(r4, Operand(i));
__ vdup(Neon16, q1, r4);
__ ExtractLane(r5, q1, NeonS16, i);
__ str(r5, MemOperand(r0, offsetof(T, i16x8_low) + 4 * i));
}
for (int i = 0; i < 16; i++) {
__ mov(r4, Operand(i));
__ vdup(Neon8, q1, r4);
__ ExtractLane(r5, q1, NeonS8, i);
__ str(r5, MemOperand(r0, offsetof(T, i8x16_low) + 4 * i));
}
for (int i = 0; i < 8; i++) {
__ mov(r4, Operand(i));
__ vdup(Neon8, q1, r4); // q1 = d2,d3
__ ExtractLane(r5, d2, NeonS8, i);
__ str(r5, MemOperand(r0, offsetof(T, i8x16_low_d) + 4 * i));
__ ExtractLane(r5, d3, NeonS8, i);
__ str(r5, MemOperand(r0, offsetof(T, i8x16_low_d) + 4 * (i + 8)));
}
if (CpuFeatures::IsSupported(VFP32DREGS)) {
for (int i = 0; i < 4; i++) {
__ mov(r4, Operand(-i));
__ vdup(Neon32, q15, r4);
__ ExtractLane(r5, q15, NeonS32, i);
__ str(r5, MemOperand(r0, offsetof(T, i32x4_high) + 4 * i));
SwVfpRegister si = SwVfpRegister::from_code(i);
__ ExtractLane(si, q15, i);
__ vstr(si, r0, offsetof(T, f32x4_high) + 4 * i);
}
for (int i = 0; i < 8; i++) {
__ mov(r4, Operand(-i));
__ vdup(Neon16, q15, r4);
__ ExtractLane(r5, q15, NeonS16, i);
__ str(r5, MemOperand(r0, offsetof(T, i16x8_high) + 4 * i));
}
for (int i = 0; i < 16; i++) {
__ mov(r4, Operand(-i));
__ vdup(Neon8, q15, r4);
__ ExtractLane(r5, q15, NeonS8, i);
__ str(r5, MemOperand(r0, offsetof(T, i8x16_high) + 4 * i));
}
for (int i = 0; i < 8; i++) {
__ mov(r4, Operand(-i));
__ vdup(Neon8, q15, r4); // q1 = d30,d31
__ ExtractLane(r5, d30, NeonS8, i);
__ str(r5, MemOperand(r0, offsetof(T, i8x16_high_d) + 4 * i));
__ ExtractLane(r5, d31, NeonS8, i);
__ str(r5, MemOperand(r0, offsetof(T, i8x16_high_d) + 4 * (i + 8)));
}
}
__ ldm(ia_w, sp, r4.bit() | r5.bit() | pc.bit());
CodeDesc desc;
masm->GetCode(isolate, &desc);
Handle<Code> code =
isolate->factory()->NewCode(desc, Code::STUB, Handle<Code>());
#ifdef DEBUG
OFStream os(stdout);
code->Print(os);
#endif
auto f = GeneratedCode<F3>::FromCode(*code);
f.Call(&t, 0, 0, 0, 0);
for (int i = 0; i < 4; i++) {
CHECK_EQ(i, t.i32x4_low[i]);
CHECK_EQ(i, t.f32x4_low[i]);
}
for (int i = 0; i < 8; i++) {
CHECK_EQ(i, t.i16x8_low[i]);
}
for (int i = 0; i < 16; i++) {
CHECK_EQ(i, t.i8x16_low[i]);
}
for (int i = 0; i < 8; i++) {
CHECK_EQ(i, t.i8x16_low_d[i]);
CHECK_EQ(i, t.i8x16_low_d[i + 8]);
}
if (CpuFeatures::IsSupported(VFP32DREGS)) {
for (int i = 0; i < 4; i++) {
CHECK_EQ(-i, t.i32x4_high[i]);
CHECK_EQ(-i, t.f32x4_high[i]);
}
for (int i = 0; i < 8; i++) {
CHECK_EQ(-i, t.i16x8_high[i]);
}
for (int i = 0; i < 16; i++) {
CHECK_EQ(-i, t.i8x16_high[i]);
}
for (int i = 0; i < 8; i++) {
CHECK_EQ(-i, t.i8x16_high_d[i]);
CHECK_EQ(-i, t.i8x16_high_d[i + 8]);
}
}
}
TEST(ReplaceLane) {
if (!CpuFeatures::IsSupported(NEON)) return;
Isolate* isolate = CcTest::i_isolate();
HandleScope handles(isolate);
size_t allocated;
byte* buffer = AllocateAssemblerBuffer(&allocated);
MacroAssembler assembler(isolate, buffer, static_cast<int>(allocated),
v8::internal::CodeObjectRequired::kYes);
MacroAssembler* masm = &assembler; // Create a pointer for the __ macro.
typedef struct {
int32_t i32x4_low[4];
int32_t i32x4_high[4];
int16_t i16x8_low[8];
int16_t i16x8_high[8];
int8_t i8x16_low[16];
int8_t i8x16_high[16];
int32_t f32x4_low[4];
int32_t f32x4_high[4];
} T;
T t;
__ stm(db_w, sp, r4.bit() | r5.bit() | r6.bit() | r7.bit() | lr.bit());
__ veor(q0, q0, q0); // Zero
__ veor(q1, q1, q1); // Zero
for (int i = 0; i < 4; i++) {
__ mov(r4, Operand(i));
__ ReplaceLane(q0, q0, r4, NeonS32, i);
SwVfpRegister si = SwVfpRegister::from_code(i);
__ vmov(si, r4);
__ ReplaceLane(q1, q1, si, i);
}
__ add(r4, r0, Operand(static_cast<int32_t>(offsetof(T, i32x4_low))));
__ vst1(Neon8, NeonListOperand(q0), NeonMemOperand(r4));
__ add(r4, r0, Operand(static_cast<int32_t>(offsetof(T, f32x4_low))));
__ vst1(Neon8, NeonListOperand(q1), NeonMemOperand(r4));
__ veor(q0, q0, q0); // Zero
for (int i = 0; i < 8; i++) {
__ mov(r4, Operand(i));
__ ReplaceLane(q0, q0, r4, NeonS16, i);
}
__ add(r4, r0, Operand(static_cast<int32_t>(offsetof(T, i16x8_low))));
__ vst1(Neon8, NeonListOperand(q0), NeonMemOperand(r4));
__ veor(q0, q0, q0); // Zero
for (int i = 0; i < 16; i++) {
__ mov(r4, Operand(i));
__ ReplaceLane(q0, q0, r4, NeonS8, i);
}
__ add(r4, r0, Operand(static_cast<int32_t>(offsetof(T, i8x16_low))));
__ vst1(Neon8, NeonListOperand(q0), NeonMemOperand(r4));
if (CpuFeatures::IsSupported(VFP32DREGS)) {
__ veor(q14, q14, q14); // Zero
__ veor(q15, q15, q15); // Zero
for (int i = 0; i < 4; i++) {
__ mov(r4, Operand(-i));
__ ReplaceLane(q14, q14, r4, NeonS32, i);
SwVfpRegister si = SwVfpRegister::from_code(i);
__ vmov(si, r4);
__ ReplaceLane(q15, q15, si, i);
}
__ add(r4, r0, Operand(static_cast<int32_t>(offsetof(T, i32x4_high))));
__ vst1(Neon8, NeonListOperand(q14), NeonMemOperand(r4));
__ add(r4, r0, Operand(static_cast<int32_t>(offsetof(T, f32x4_high))));
__ vst1(Neon8, NeonListOperand(q15), NeonMemOperand(r4));
__ veor(q14, q14, q14); // Zero
for (int i = 0; i < 8; i++) {
__ mov(r4, Operand(-i));
__ ReplaceLane(q14, q14, r4, NeonS16, i);
}
__ add(r4, r0, Operand(static_cast<int32_t>(offsetof(T, i16x8_high))));
__ vst1(Neon8, NeonListOperand(q14), NeonMemOperand(r4));
__ veor(q14, q14, q14); // Zero
for (int i = 0; i < 16; i++) {
__ mov(r4, Operand(-i));
__ ReplaceLane(q14, q14, r4, NeonS8, i);
}
__ add(r4, r0, Operand(static_cast<int32_t>(offsetof(T, i8x16_high))));
__ vst1(Neon8, NeonListOperand(q14), NeonMemOperand(r4));
}
__ ldm(ia_w, sp, r4.bit() | r5.bit() | r6.bit() | r7.bit() | pc.bit());
CodeDesc desc;
masm->GetCode(isolate, &desc);
Handle<Code> code =
isolate->factory()->NewCode(desc, Code::STUB, Handle<Code>());
#ifdef DEBUG
OFStream os(stdout);
code->Print(os);
#endif
auto f = GeneratedCode<F3>::FromCode(*code);
f.Call(&t, 0, 0, 0, 0);
for (int i = 0; i < 4; i++) {
CHECK_EQ(i, t.i32x4_low[i]);
CHECK_EQ(i, t.f32x4_low[i]);
}
for (int i = 0; i < 8; i++) {
CHECK_EQ(i, t.i16x8_low[i]);
}
for (int i = 0; i < 16; i++) {
CHECK_EQ(i, t.i8x16_low[i]);
}
if (CpuFeatures::IsSupported(VFP32DREGS)) {
for (int i = 0; i < 4; i++) {
CHECK_EQ(-i, t.i32x4_high[i]);
CHECK_EQ(-i, t.f32x4_high[i]);
}
for (int i = 0; i < 8; i++) {
CHECK_EQ(-i, t.i16x8_high[i]);
}
for (int i = 0; i < 16; i++) {
CHECK_EQ(-i, t.i8x16_high[i]);
}
}
}
#undef __
} // namespace test_macro_assembler_arm
} // namespace internal
} // namespace v8