本文整理汇总了C++中Assembler::LoadI方法的典型用法代码示例。如果您正苦于以下问题：C++ Assembler::LoadI方法的具体用法？C++ Assembler::LoadI怎么用？C++ Assembler::LoadI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Assembler的用法示例。
在下文中一共展示了Assembler::LoadI方法的3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: initCounting
void CountCodePattern::initCounting() {
// general count stub; 7 instrs = 12 cycles on SS-2. Could be reduced to
// 6 insts / 10 cy if one additional register were available (e.g. could
// use %o5 for sends with < 5 args).
// 0: sethi count_addr, Temp1
// 1: ld [Temp1+lo(count_addr)], Temp2
// 2: inc Temp2
// 3: st Temp2, [Temp1+lo(count_addr)]
// 4: sethi jump_addr, Temp1
// 5: jmpl Temp1 + low(jump_addr), g0
// 6: nop
instsSize = 7 * 4;
countAddr_offset = 0;
ld_offset = 1;
st_offset = 3;
nm_sethi_offset = 4;
nm_jmp_offset = 5;
limit_sethi_offset = countAddr_offset2 = recompile_offset = BadOffset;
Assembler* a = new Assembler(instsSize, instsSize, false, true);
a->SetHiA(0, Temp1);
a->LoadI(Temp1, 0, Temp2);
a->AddI(Temp2, 1, Temp2);
a->StoreI(Temp1, 0, Temp2);
a->SetHiX(0, CodeAddressOperand, Temp1);
a->JmpLC(Temp1, 0, G0);
a->Nop();
pattern = (pc_t)AllocateHeap(instsSize, "countStub pattern");
copy_words((int32*)a->instsStart, (int32*)pattern, instsSize / 4);
a->finalize();
}示例2: gen
void AbstractArrayAtNode::gen() {
BasicNode::gen();
Label* argFail = NULL; // if arg isn't a smi
Label* indexFail = NULL; // if arg is out of bounds
Assembler* a = theAssembler;
Location arr = genHelper->moveToReg(_src, Temp2);
Location index = genHelper->moveToReg(arg, Temp1);
Location size = Temp3;
// load array size now (avoids load interlock for range check)
a->LoadI(arr, sizeOffset, size);
if (!intArg) {
// CP may have propagated a constant into arg
intArg = arg->isConstPReg() && ((ConstPReg*)arg)->constant->is_smi();
}
if (!intArg) {
// test arg for smiOop
if (SICCountTypeTests) {
a->startTypeTest(1, false, true);
a->doOneTypeTest();
}
if (SICCountIntTagTests) a->markTagTest(1);
a->AndCCI(index, Tag_Mask, G0);
argFail = argFail->unify(a->BneForward(false));
if (SICCountTypeTests) a->endTypeTest();
}
argFail = argFail->unify(testArg2());
a->SubCCR(index, size, G0);
indexFail = a->BgeuForward(false);
Location res = isRegister(_dest->loc) ? _dest->loc : Temp1;
bool needDestStore = genAccess(arr, index, res);
if (needDestStore && !isRegister(_dest->loc)) {
genHelper->moveRegToLoc(res, _dest->loc);
}
Label* done = a->BraForward(true);
MergeNode* failMerge = (MergeNode*)next1();
if (argFail) {
argFail->define();
if (error) {
Location err = isRegister(error->loc) ? error->loc : Temp1;
genHelper->loadImmediateOop(VMString[BADTYPEERROR], err);
if (err != error->loc) genHelper->moveRegToLoc(err, error->loc);
}
if (failMerge) // test added by dmu 4/27/96
failMerge->l = failMerge->l->unify(a->BraForward(true));
}
indexFail->define();
if (error) {
Location err = isRegister(error->loc) ? error->loc : Temp1;
genHelper->loadImmediateOop(VMString[BADINDEXERROR], err);
if (err != error->loc) genHelper->moveRegToLoc(err, error->loc);
}
if (failMerge) // test added by dmu 4/27/96
failMerge->l = failMerge->l->unify(a->BraForward(true));
done->define();
}示例3: initComparing
void CountCodePattern::initComparing() {
instsSize = 13 * 4;
// 0: sethi count_addr, Temp1
// 1: ld [Temp1+lo(count_addr)], Temp2
// 2: setHi limit, Temp1
// 3: inc Temp2
// 4: cmp Temp2, Temp1
// 5: sethi count_addr, Temp1
// 6: st Temp2, [Temp1+lo(count_addr)]
// 7: beq 10
// 8: sethi jump_addr, Temp1
// 9: jmpl Temp1 + low(jump_addr), g0
//10: sethi recompile_addr, Temp2
//11: jmpl Temp2 + low(recompile_addr), linkReg
//12: nop
countAddr_offset = 0;
countAddr_offset2 = 5;
ld_offset = 1;
st_offset = 6;
nm_sethi_offset = 8;
nm_jmp_offset = 9;
limit_sethi_offset = 2;
recompile_offset = 10;
Assembler* a = new Assembler(instsSize, instsSize, false, true);
a->SetHiA(0, Temp1);
a->LoadI(Temp1, 0, Temp2);
a->SetHiA(0, Temp1);
a->AddI(Temp2, 1, Temp2);
a->SubCCR(Temp2, Temp1, G0);
a->SetHiA(0, Temp1);
a->StoreI(Temp1, 0, Temp2);
Label* l = a->BgeForward(false);
a->SetHiX(0, CodeAddressOperand, Temp1);
a->JmpLC(Temp1, 0, G0);
l->define();
a->SetHiP(Memory->code->trapdoors->Recompile_stub_td(), Temp2);
a->JmpLP(Temp2, Memory->code->trapdoors->Recompile_stub_td(), RecompileLinkReg);
a->Nop();
pattern = (pc_t)AllocateHeap(instsSize, "countStub pattern");
copy_words((int32*)a->instsStart, (int32*)pattern, instsSize / 4);
a->finalize();
}