C++ Vloc类代码示例

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本文整理汇总了C++中Vloc类的典型用法代码示例。如果您正苦于以下问题：C++ Vloc类的具体用法？C++ Vloc怎么用？C++ Vloc使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。

在下文中一共展示了Vloc类的10个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: assertx

ArgDesc::ArgDesc(SSATmp* tmp, Vloc loc, bool val) {
  if (tmp->hasConstVal()) {
    // tmp is a constant
    if (val) {
      m_imm64 = tmp->rawVal();
    } else {
      static_assert(offsetof(TypedValue, m_type) % 8 == 0, "");
      m_imm64 = uint64_t(tmp->type().toDataType());
    }
    m_kind = Kind::Imm;
    return;
  }
  if (val) {
    assertx(loc.reg(0) != InvalidReg);
    m_srcReg = loc.reg(0);
    m_kind = Kind::Reg;
    // zero extend any boolean value that we pass to the helper in case
    // the helper expects it (e.g., as TypedValue)
    if (tmp->isA(TBool)) m_zeroExtend = true;
    return;
  }
  if (tmp->numWords() > 1) {
    assertx(loc.reg(1) != InvalidReg);
    m_srcReg = loc.reg(1);
    // Since val is false then we're passing tmp's type. TypeReg lets
    // CodeGenerator know that the value might require some massaging
    // to be in the right format for the call.
    m_kind = Kind::TypeReg;
    return;
  }
  // arg is the (constant) type of a known-typed value.
  static_assert(offsetof(TypedValue, m_type) % 8 == 0, "");
  m_imm64 = uint64_t(tmp->type().toDataType());
  m_kind = Kind::Imm;
}

开发者ID:191919，项目名称:hhvm，代码行数:35，代码来源:arg-group.cpp

示例2: emitStoreTypedValue

void CodeGenerator::emitStoreTypedValue(Vout& v, Vreg base, ptrdiff_t offset,
                                        Vloc src) {
  assert(src.numWords() == 2);
  auto reg0 = src.reg(0);
  auto reg1 = src.reg(1);
  v << store{reg0, base[offset + TVOFF(m_data)]};
  v << storeb{reg1, base[offset + TVOFF(m_type)]};
}

开发者ID:co3k，项目名称:hhvm，代码行数:8，代码来源:code-gen-arm.cpp

示例3: loadTV

void loadTV(Vout& v, const SSATmp* dst, Vloc dstLoc, Vptr src,
            bool aux /* = false */) {
  auto const type = dst->type();

  if (dstLoc.isFullSIMD()) {
    // The whole TV is loaded into a single SIMD reg.
    assertx(RuntimeOption::EvalHHIRAllocSIMDRegs);
    v << loadups{src, dstLoc.reg()};
    return;
  }

  if (type.needsReg()) {
    assertx(dstLoc.hasReg(1));
    if (aux) {
      v << load{src + TVOFF(m_type), dstLoc.reg(1)};
    } else {
      v << loadb{src + TVOFF(m_type), dstLoc.reg(1)};
    }
  }

  if (type <= TBool) {
    v << loadtqb{src + TVOFF(m_data), dstLoc.reg(0)};
  } else {
    v << load{src + TVOFF(m_data), dstLoc.reg(0)};
  }
}

开发者ID:shantanusharma，项目名称:hhvm，代码行数:26，代码来源:code-gen-helpers.cpp

示例4: emitLoad

void CodeGenerator::emitLoad(Vout& v, Type type, Vloc dst, Vreg base,
                             ptrdiff_t offset, Block* label /* = nullptr */) {
  if (type.needsReg()) {
    return emitLoadTypedValue(v, dst, base, offset, label);
  }
  if (label) {
    not_implemented();
  }
  auto data = dst.reg();
  v << load{base[offset + TVOFF(m_data)], data};
}

开发者ID:co3k，项目名称:hhvm，代码行数:11，代码来源:code-gen-arm.cpp

示例5: storeTV

void storeTV(Vout& v, Vptr dst, Vloc srcLoc, const SSATmp* src) {
  auto const type = src->type();

  if (srcLoc.isFullSIMD()) {
    // The whole TV is stored in a single SIMD reg.
    assertx(RuntimeOption::EvalHHIRAllocSIMDRegs);
    v << storeups{srcLoc.reg(), dst};
    return;
  }

  if (type.needsReg()) {
    assertx(srcLoc.hasReg(1));
    v << storeb{srcLoc.reg(1), dst + TVOFF(m_type)};
  } else {
    v << storeb{v.cns(type.toDataType()), dst + TVOFF(m_type)};
  }

  // We ignore the values of statically nullish types.
  if (src->isA(TNull) || src->isA(TNullptr)) return;

  // Store the value.
  if (src->hasConstVal()) {
    // Skip potential zero-extend if we know the value.
    v << store{v.cns(src->rawVal()), dst + TVOFF(m_data)};
  } else {
    assertx(srcLoc.hasReg(0));
    auto const extended = zeroExtendIfBool(v, src->type(), srcLoc.reg(0));
    v << store{extended, dst + TVOFF(m_data)};
  }
}

开发者ID:shantanusharma，项目名称:hhvm，代码行数:30，代码来源:code-gen-helpers.cpp

示例6: emitLoadTypedValue

void CodeGenerator::emitLoadTypedValue(Vout& v, Vloc dst, Vreg base,
                                       ptrdiff_t offset, Block* label) {
  if (label) not_implemented();
  if (dst.isFullSIMD()) not_implemented();

  auto valueDst = dst.reg(0);
  auto typeDst  = dst.reg(1);

  // Avoid clobbering the base reg if we'll need it later
  if (base == typeDst && valueDst.isValid()) {
    auto tmp = v.makeReg();
    v << copy{base, tmp};
    base = tmp;
  }

  if (typeDst.isValid()) {
    v << loadzbl{base[offset + TVOFF(m_type)], typeDst};
  }

  if (valueDst.isValid()) {
    v << load{base[offset + TVOFF(m_data)], valueDst};
  }
}

开发者ID:co3k，项目名称:hhvm，代码行数:23，代码来源:code-gen-arm.cpp

示例7: copyTV

void copyTV(Vout& v, Vreg data, Vreg type, Vloc srcLoc, const SSATmp* src) {
  // SIMD register are not supported here.
  assertx(!srcLoc.isFullSIMD());

  if (src->type().needsReg()) {
    assertx(srcLoc.hasReg(1));
    v << copy{srcLoc.reg(1), type};
  } else {
    v << copy{v.cns(src->type().toDataType()), type};
  }

  // Ignore the values for nulls.
  if (src->isA(TNull)) return;

  if (src->hasConstVal()) {
    // Skip potential zero-extend if we know the value.
    v << copy{v.cns(src->rawVal()), data};
  } else {
    assertx(srcLoc.hasReg(0));
    auto const extended = zeroExtendIfBool(v, src->type(), srcLoc.reg(0));
    v << copy{extended, data};
  }
}

开发者ID:shantanusharma，项目名称:hhvm，代码行数:23，代码来源:code-gen-helpers.cpp

示例8: assertx

ArgDesc::ArgDesc(SSATmp* tmp, Vloc loc, bool val) {
  if (tmp->hasConstVal()) {
    // tmp is a constant
    if (val) {
      m_imm64 = tmp->rawVal();
      m_kind = Kind::Imm;
    } else {
      static_assert(offsetof(TypedValue, m_type) % 8 == 0, "");
      m_typeImm = tmp->type().toDataType();
      m_kind = Kind::TypeImm;
    }
    return;
  }

  if (val) {
    assertx(loc.reg(0) != InvalidReg);
    m_srcReg = loc.reg(0);
    m_kind = Kind::Reg;
    // zero extend any boolean value that we pass to the helper in case
    // the helper expects it (e.g., as TypedValue)
    if (tmp->isA(TBool)) m_zeroExtend = true;
    return;
  }

  if (tmp->numWords() > 1) {
    assertx(loc.reg(1) != InvalidReg);
    // val is false so we're passing tmp's type.
    m_srcReg = loc.reg(1);
    m_kind = Kind::Reg;
    return;
  }

  // arg is the (constant) type of a known-typed value.
  static_assert(offsetof(TypedValue, m_type) % 8 == 0, "");
  m_typeImm = tmp->type().toDataType();
  m_kind = Kind::TypeImm;
}

开发者ID:nurulimamnotes，项目名称:hhvm，代码行数:37，代码来源:arg-group.cpp

示例9: emitStore

void CodeGenerator::emitStore(Vout& v, Vreg base, ptrdiff_t offset,
                              SSATmp* src, Vloc srcLoc,
                              bool genStoreType /* = true */) {
  auto type = src->type();
  if (type.needsReg()) {
    return emitStoreTypedValue(v, base, offset, srcLoc);
  }
  if (genStoreType) {
    auto dt = type.toDataType();
    v << storeb{v.cns(dt), base[offset + TVOFF(m_type)]};
  }
  if (type <= Type::Null) {
    return;
  }

  auto data = srcLoc.reg();
  if (src->isA(Type::Bool)) {
    auto extended = v.makeReg();
    v << movzbl{data, extended};
    data = extended;
  }
  v << store{data, base[offset + TVOFF(m_data)]};
}

开发者ID:co3k，项目名称:hhvm，代码行数:23，代码来源:code-gen-arm.cpp

示例10: copyTV

void copyTV(Vout& v, Vloc src, Vloc dst, Type destType) {
  auto src_arity = src.numAllocated();
  auto dst_arity = dst.numAllocated();

  if (dst_arity == 2) {
    always_assert(src_arity == 2);
    v << copy2{src.reg(0), src.reg(1), dst.reg(0), dst.reg(1)};
    return;
  }
  always_assert(dst_arity == 1);

  if (src_arity == 2 && dst.isFullSIMD()) {
    pack2(v, src.reg(0), src.reg(1), dst.reg(0));
    return;
  }
  always_assert(src_arity >= 1);

  if (src_arity == 2 && destType <= TBool) {
    v << movtqb{src.reg(0), dst.reg(0)};
  } else {
    v << copy{src.reg(0), dst.reg(0)};
  }
}

开发者ID:LouisRenWeiWei，项目名称:hhvm，代码行数:23，代码来源:code-gen-helpers.cpp

注：本文中的Vloc类示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。