Lines Matching defs:SR1

426     - If MBB is an entry or exit block, set SR1 and SR2 to R0 and R12
433       - If the required registers are found, set SR1 and SR2 and return true.
434       - If the required registers are not found, set SR2 or both SR1 and SR2 to
437     Note that if both SR1 and SR2 are valid parameters and TwoUniqueRegsRequired
439     still return true if only one register is available (and set SR1 == SR2).
445                                       Register *SR1,
452   if (SR1)
453     *SR1 = R0;
456     assert (SR1 && "Asking for the second scratch register but not the first?");
503   if (SR1) {
505     *SR1 = FirstScratchReg == -1 ? (unsigned)PPC::NoRegister : FirstScratchReg;
510   // or to whatever SR1 is set to if this function doesn't require two.
512     int SecondScratchReg = BV.find_next(*SR1);
516       *SR2 = TwoUniqueRegsRequired ? Register() : *SR1;