Target/Mips/MipsAnalyzeImmediate.cpp

18 void MipsAnalyzeImmediate::AddInstr(InstSeqLs &SeqLs, const Inst &I) {
20   if (SeqLs.empty()) {
21     SeqLs.push_back(InstSeq(1, I));
25   for (InstSeqLs::iterator Iter = SeqLs.begin(); Iter != SeqLs.end(); ++Iter)
30                                              InstSeqLs &SeqLs) {
31   GetInstSeqLs((Imm + 0x8000ULL) & 0xffffffffffff0000ULL, RemSize, SeqLs);
32   AddInstr(SeqLs, Inst(ADDiu, Imm & 0xffffULL));
36                                            InstSeqLs &SeqLs) {
37   GetInstSeqLs(Imm & 0xffffffffffff0000ULL, RemSize, SeqLs);
38   AddInstr(SeqLs, Inst(ORi, Imm & 0xffffULL));
42                                            InstSeqLs &SeqLs) {
44   GetInstSeqLs(Imm >> Shamt, RemSize - Shamt, SeqLs);
45   AddInstr(SeqLs, Inst(SLL, Shamt));
49                                         InstSeqLs &SeqLs) {
58     AddInstr(SeqLs, Inst(ADDiu, MaskedImm));
64     GetInstSeqLsSLL(Imm, RemSize, SeqLs);
68   GetInstSeqLsADDiu(Imm, RemSize, SeqLs);
75     SeqLs.insert(SeqLs.end(), SeqLsORi.begin(), SeqLsORi.end());
105 void MipsAnalyzeImmediate::GetShortestSeq(InstSeqLs &SeqLs, InstSeq &Insts) {
106   InstSeqLs::iterator ShortestSeq = SeqLs.end();
110   for (InstSeqLs::iterator S = SeqLs.begin(); S != SeqLs.end(); ++S) {
141   InstSeqLs SeqLs;
145     GetInstSeqLsADDiu(Imm, Size, SeqLs);
147     GetInstSeqLs(Imm, Size, SeqLs);
150   GetShortestSeq(SeqLs, Insts);