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C++ PPCEmuAssembler::or_方法代码示例

本文整理汇总了C++中PPCEmuAssembler::or_方法的典型用法代码示例。如果您正苦于以下问题:C++ PPCEmuAssembler::or_方法的具体用法?C++ PPCEmuAssembler::or_怎么用?C++ PPCEmuAssembler::or_使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在PPCEmuAssembler的用法示例。


在下文中一共展示了PPCEmuAssembler::or_方法的7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,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: updateConditionRegister

// Negate
static bool
neg(PPCEmuAssembler& a, Instruction instr)
{
   a.mov(a.eax, a.ppcgpr[instr.rA]);
   a.neg(a.eax);
   a.mov(a.ppcgpr[instr.rD], a.eax);

   if (instr.oe) {
      a.mov(a.ecx, 0);
      a.seto(a.ecx.r8());

      // Reset overflow
      a.mov(a.edx, a.ppcxer);
      a.and_(a.edx, ~XERegisterBits::Overflow);

      a.shiftTo(a.ecx, 0, XERegisterBits::Overflow);
      a.or_(a.edx, a.ecx);
      a.shiftTo(a.ecx, XERegisterBits::Overflow, XERegisterBits::StickyOV);
      a.or_(a.edx, a.ecx);

      a.mov(a.ppcxer, a.edx);
   }

   if (instr.rc) {
      updateConditionRegister(a, a.eax, a.ecx, a.edx);
   }

   return true;
}
开发者ID:archshift,项目名称:decaf-emu,代码行数:30,代码来源:jit_integer.cpp

示例2: if

static bool
rlwGeneric(PPCEmuAssembler& a, Instruction instr)
{
   a.mov(a.eax, a.ppcgpr[instr.rS]);

   if (flags & RlwImmediate) {
      a.rol(a.eax, instr.sh);
   } else {
      a.mov(a.ecx, a.ppcgpr[instr.rB]);
      a.and_(a.ecx, 0x1f);
      a.rol(a.eax, a.ecx.r8());
   }

   auto m = make_ppc_bitmask(instr.mb, instr.me);

   if (flags & RlwAnd) {
      a.and_(a.eax, m);
   } else if (flags & RlwInsert) {
      a.and_(a.eax, m);
      a.mov(a.ecx, a.ppcgpr[instr.rA]);
      a.and_(a.ecx, ~m);
      a.or_(a.eax, a.ecx);
   }

   a.mov(a.ppcgpr[instr.rA], a.eax);

   if (instr.rc) {
      updateConditionRegister(a, a.eax, a.ecx, a.edx);
   }

   return true;
}
开发者ID:archshift,项目名称:decaf-emu,代码行数:32,代码来源:jit_integer.cpp

示例3:

// Move to Condition Register from XER
static bool
mcrxr(PPCEmuAssembler& a, Instruction instr)
{
   uint32_t crshift = (7 - instr.crfD) * 4;

   a.mov(a.eax, a.ppcxer);
   a.mov(a.ecx, a.eax);

   // Grab CRXR
   a.shr(a.ecx, XERegisterBits::XRShift);
   a.and_(a.ecx, 0xF);

   // Clear XER CRXR
   a.and_(a.eax, ~XERegisterBits::XR);
   a.mov(a.ppcxer, a.eax);

   // Set CRF
   a.shl(a.ecx, crshift);
   a.mov(a.eax, a.ppccr);
   a.and_(a.eax, ~(0xF << crshift));
   a.or_(a.eax, a.ecx);
   a.mov(a.ppccr, a.eax);

   return true;
}
开发者ID:ZilverXZX,项目名称:wiiu-emu,代码行数:26,代码来源:jit_condition.cpp

示例4: getTwoCRB

// Condition Register OR
static bool
cror(PPCEmuAssembler& a, Instruction instr)
{
   getTwoCRB(a, instr.crbA, a.eax, instr.crbB, a.ecx);
   a.or_(a.eax, a.ecx);
   setCRB(a, instr.crbD, a.eax, a.ecx, a.edx);
   return true;
}
开发者ID:ZilverXZX,项目名称:wiiu-emu,代码行数:9,代码来源:jit_condition.cpp

示例5: setCRB

void setCRB(PPCEmuAssembler& a, uint32_t bit, const asmjit::X86GpReg& value, const asmjit::X86GpReg& tmp, const asmjit::X86GpReg& tmp2) {
   auto shift = 31 - bit;
   a.mov(tmp, a.ppccr);
   a.and_(tmp, ~(1 << shift));
   a.mov(tmp2, value);
   a.and_(tmp2, 1);
   a.shl(tmp2, shift);
   a.or_(tmp, tmp2);
   a.mov(a.ppccr, tmp);
}
开发者ID:ZilverXZX,项目名称:wiiu-emu,代码行数:10,代码来源:jit_condition.cpp

示例6:

// Update cr0 with value
static void
updateConditionRegister(PPCEmuAssembler& a, const asmjit::X86GpReg& value, const asmjit::X86GpReg& tmp, const asmjit::X86GpReg& tmp2)
{
   auto crtarget = 0;
   auto crshift = (7 - crtarget) * 4;

   a.mov(tmp, a.ppccr);
   a.and_(tmp, ~(0xF << crshift));

   a.cmp(value, 0);

   a.lahf();
   a.mov(tmp2, 0);
   a.sete(tmp2.r8());
   a.shl(tmp2, crshift + ConditionRegisterFlag::ZeroShift);
   a.or_(tmp, tmp2);

   a.sahf();
   a.mov(tmp2, 0);
   a.setg(tmp2.r8());
   a.shl(tmp2, crshift + ConditionRegisterFlag::PositiveShift);
   a.or_(tmp, tmp2);

   a.sahf();
   a.mov(tmp2, 0);
   a.setl(tmp2.r8());
   a.shl(tmp2, crshift + ConditionRegisterFlag::NegativeShift);
   a.or_(tmp, tmp2);

   a.mov(tmp2, a.ppcxer);
   a.and_(tmp2, XERegisterBits::StickyOV);
   a.shiftTo(tmp2, XERegisterBits::StickyOVShift, crshift + ConditionRegisterFlag::SummaryOverflowShift);
   a.or_(tmp, tmp2);

   a.mov(a.ppccr, tmp);
}
开发者ID:archshift,项目名称:decaf-emu,代码行数:37,代码来源:jit_integer.cpp

示例7: jit_fallback

static bool
addGeneric(PPCEmuAssembler& a, Instruction instr)
{
   if (flags & AddSubtract) {
      return jit_fallback(a, instr);
   }

   bool recordCarry = false;
   bool recordOverflow = false;
   bool recordCond = false;

   if (flags & AddCarry) {
      recordCarry = true;
   }

   if (flags & AddAlwaysRecord) {
      recordOverflow = true;
      recordCond = true;
   } else if (flags & AddCheckRecord) {
      if (instr.oe) {
         recordOverflow = true;
      }

      if (instr.rc) {
         recordCond = true;
      }
   }

   if ((flags & AddZeroRA) && instr.rA == 0) {
      a.mov(a.eax, 0);
   } else {
      a.mov(a.eax, a.ppcgpr[instr.rA]);
   }

   if (flags & AddSubtract) {
      a.not_(a.eax);
   }

   if (flags & AddImmediate) {
      a.mov(a.ecx, sign_extend<16>(instr.simm));
   } else if (flags & AddToZero) {
      a.mov(a.ecx, 0);
   } else if (flags & AddToMinusOne) {
      a.mov(a.ecx, -1);
   } else {
      a.mov(a.ecx, a.ppcgpr[instr.rB]);
   }

   if (flags & AddShifted) {
      a.shl(a.ecx, 16);
   }

   // Mark x64 CF based on PPC CF
   if (flags & AddExtended) {
      a.mov(a.edx, a.ppcxer);
      a.and_(a.edx, XERegisterBits::Carry);
      a.add(a.edx, 0xffffffff);

      a.adc(a.eax, a.ecx);
   } else if (flags & AddSubtract) {
      a.stc();

      a.adc(a.eax, a.ecx);
   } else {
      a.add(a.eax, a.ecx);
   }

   if (recordCarry && recordOverflow) {
      a.mov(a.ecx, 0);
      a.setc(a.ecx.r8());
      a.mov(a.edx, 0);
      a.seto(a.edx.r8());

      a.shl(a.ecx, XERegisterBits::CarryShift);
      a.shl(a.edx, XERegisterBits::OverflowShift);
      a.or_(a.ecx, a.edx);
   } else if (recordCarry) {
      a.mov(a.ecx, 0);
      a.setc(a.ecx.r8());
      a.shl(a.ecx, XERegisterBits::CarryShift);
   } else if (recordOverflow) {
      a.mov(a.ecx, 0);
      a.seto(a.ecx.r8());
      a.shl(a.ecx, XERegisterBits::OverflowShift);
   }

   if (recordCarry || recordOverflow) {
      uint32_t mask = 0xFFFFFFFF;

      if (recordCarry) {
         mask &= ~XERegisterBits::Carry;
      }

      if (recordOverflow) {
         mask &= ~XERegisterBits::Overflow;
      }

      a.mov(a.edx, a.ppcxer);
      a.and_(a.edx, mask);
      a.or_(a.edx, a.ecx);
//.........这里部分代码省略.........
开发者ID:archshift,项目名称:decaf-emu,代码行数:101,代码来源:jit_integer.cpp


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