// Copyright 2013 the V8 project authors. All rights reserved. // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following // disclaimer in the documentation and/or other materials provided // with the distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived // from this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. #include #include "src/arm/simulator-arm.h" #include "src/assembler-inl.h" #include "src/macro-assembler.h" #include "src/objects-inl.h" #include "src/v8.h" #include "test/cctest/cctest.h" using namespace v8::internal; typedef void* (*F)(int x, int y, int p2, int p3, int p4); #define __ masm-> typedef Object* (*F3)(void* p0, int p1, int p2, int p3, int p4); typedef int (*F5)(void*, void*, void*, void*, void*); TEST(LoadAndStoreWithRepresentation) { // Allocate an executable page of memory. size_t actual_size; byte* buffer = static_cast(v8::base::OS::Allocate( Assembler::kMinimalBufferSize, &actual_size, true)); CHECK(buffer); Isolate* isolate = CcTest::i_isolate(); HandleScope handles(isolate); MacroAssembler assembler(isolate, buffer, static_cast(actual_size), 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 = isolate->factory()->NewCode(
      desc, Code::ComputeFlags(Code::STUB), Handle());

  // Call the function from C++.
  F5 f = FUNCTION_CAST(code->entry());
  CHECK(!CALL_GENERATED_CODE(isolate, f, 0, 0, 0, 0, 0));
}

TEST(ExtractLane) {
  if (!CpuFeatures::IsSupported(NEON)) return;

  // Allocate an executable page of memory.
  size_t actual_size;
  byte* buffer = static_cast(v8::base::OS::Allocate(
      Assembler::kMinimalBufferSize, &actual_size, true));
  CHECK(buffer);
  Isolate* isolate = CcTest::i_isolate();
  HandleScope handles(isolate);
  MacroAssembler assembler(isolate, buffer, static_cast(actual_size),
                           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 = isolate->factory()->NewCode(
      desc, Code::ComputeFlags(Code::STUB), Handle());
#ifdef DEBUG
  OFStream os(stdout);
  code->Print(os);
#endif
  F3 f = FUNCTION_CAST(code->entry());
  Object* dummy = CALL_GENERATED_CODE(isolate, f, &t, 0, 0, 0, 0);
  USE(dummy);
  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;

  // Allocate an executable page of memory.
  size_t actual_size;
  byte* buffer = static_cast(v8::base::OS::Allocate(
      Assembler::kMinimalBufferSize, &actual_size, true));
  CHECK(buffer);
  Isolate* isolate = CcTest::i_isolate();
  HandleScope handles(isolate);
  MacroAssembler assembler(isolate, buffer, static_cast(actual_size),
                           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(offsetof(T, i32x4_low))));
  __ vst1(Neon8, NeonListOperand(q0), NeonMemOperand(r4));
  __ add(r4, r0, Operand(static_cast(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(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(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(offsetof(T, i32x4_high))));
    __ vst1(Neon8, NeonListOperand(q14), NeonMemOperand(r4));
    __ add(r4, r0, Operand(static_cast(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(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(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 = isolate->factory()->NewCode(
      desc, Code::ComputeFlags(Code::STUB), Handle());
#ifdef DEBUG
  OFStream os(stdout);
  code->Print(os);
#endif
  F3 f = FUNCTION_CAST(code->entry());
  Object* dummy = CALL_GENERATED_CODE(isolate, f, &t, 0, 0, 0, 0);
  USE(dummy);
  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 __