Target/RISCV/RISCVExpandPseudoInsts.cpp

239   Register ScratchReg = MI.getOperand(1).getReg();
256     BuildMI(LoopMBB, DL, TII->get(RISCV::AND), ScratchReg)
259     BuildMI(LoopMBB, DL, TII->get(RISCV::XORI), ScratchReg)
260         .addReg(ScratchReg)
264   BuildMI(LoopMBB, DL, TII->get(getSCForRMW(Ordering, Width)), ScratchReg)
266       .addReg(ScratchReg);
268       .addReg(ScratchReg)
276                               Register MaskReg, Register ScratchReg) {
277   assert(OldValReg != ScratchReg && "OldValReg and ScratchReg must be unique");
279   assert(ScratchReg != MaskReg && "ScratchReg and MaskReg must be unique");
284   BuildMI(MBB, DL, TII->get(RISCV::XOR), ScratchReg)
287   BuildMI(MBB, DL, TII->get(RISCV::AND), ScratchReg)
288       .addReg(ScratchReg)
292       .addReg(ScratchReg);
301   Register ScratchReg = MI.getOperand(1).getReg();
322     BuildMI(LoopMBB, DL, TII->get(RISCV::ADDI), ScratchReg)
327     BuildMI(LoopMBB, DL, TII->get(RISCV::ADD), ScratchReg)
332     BuildMI(LoopMBB, DL, TII->get(RISCV::SUB), ScratchReg)
337     BuildMI(LoopMBB, DL, TII->get(RISCV::AND), ScratchReg)
340     BuildMI(LoopMBB, DL, TII->get(RISCV::XORI), ScratchReg)
341         .addReg(ScratchReg)
346   insertMaskedMerge(TII, DL, LoopMBB, ScratchReg, DestReg, ScratchReg, MaskReg,
347                     ScratchReg);
349   BuildMI(LoopMBB, DL, TII->get(getSCForRMW32(Ordering)), ScratchReg)
351       .addReg(ScratchReg);
353       .addReg(ScratchReg)
553   Register ScratchReg = MI.getOperand(1).getReg();
573     BuildMI(LoopTailMBB, DL, TII->get(getSCForRMW(Ordering, Width)), ScratchReg)
577         .addReg(ScratchReg)
588     BuildMI(LoopHeadMBB, DL, TII->get(RISCV::AND), ScratchReg)
592         .addReg(ScratchReg)
602     insertMaskedMerge(TII, DL, LoopTailMBB, ScratchReg, DestReg, NewValReg,
603                       MaskReg, ScratchReg);
604     BuildMI(LoopTailMBB, DL, TII->get(getSCForRMW(Ordering, Width)), ScratchReg)
606         .addReg(ScratchReg);
608         .addReg(ScratchReg)