本文整理汇总了C++中PPCEmuAssembler::and_方法的典型用法代码示例。如果您正苦于以下问题：C++ PPCEmuAssembler::and_方法的具体用法？C++ PPCEmuAssembler::and_怎么用？C++ PPCEmuAssembler::and_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类PPCEmuAssembler的用法示例。
在下文中一共展示了PPCEmuAssembler::and_方法的8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: 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;
}示例2:
// 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;
}示例3: 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);
}示例4: 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;
}示例5: getTwoCRB
// Condition Register AND
static bool
crand(PPCEmuAssembler& a, Instruction instr)
{
getTwoCRB(a, instr.crbA, a.eax, instr.crbB, a.ecx);
a.and_(a.eax, a.ecx);
setCRB(a, instr.crbD, a.eax, a.ecx, a.edx);
return true;
}示例6: jit_fallback
static bool
shiftArithmetic(PPCEmuAssembler& a, Instruction instr)
{
if (flags & ShiftImmediate && instr.sh == 0) {
// Clear Carry Flag
a.mov(a.ecx, a.ppcxer);
a.and_(a.ecx, ~XERegisterBits::Carry);
a.mov(a.ppcxer, a.ecx);
return true;
}
return jit_fallback(a, instr);
}示例7:
// 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);
}示例8:
// Data Cache Block Zero
static bool
dcbz(PPCEmuAssembler& a, Instruction instr)
{
auto src = a.allocGpTmp().r32();
if (instr.rA == 0) {
a.mov(src, 0);
} else {
a.mov(src, a.loadRegisterRead(a.gpr[instr.rA]));
}
a.add(src, a.loadRegisterRead(a.gpr[instr.rB]));
// Align down
a.and_(src, ~static_cast<uint32_t>(31));
// Write 32 bytes of zero's there
a.mov(asmjit::X86Mem(a.membaseReg, src, 0, 0, 8), 0);
a.mov(asmjit::X86Mem(a.membaseReg, src, 0, 8, 8), 0);
a.mov(asmjit::X86Mem(a.membaseReg, src, 0, 16, 8), 0);
a.mov(asmjit::X86Mem(a.membaseReg, src, 0, 24, 8), 0);
return true;
}