758                                    Register src_low, Register src_high,  in ShiftLeftPair()  argument
760   DCHECK(!AreAliased(dst_low, src_high));  in ShiftLeftPair()
775   slw(dst_high, src_high, shift);  in ShiftLeftPair()
783                                    Register src_low, Register src_high,  in ShiftLeftPair()  argument
785   DCHECK(!AreAliased(dst_low, src_high));  in ShiftLeftPair()
796     Move(dst_high, src_high);  in ShiftLeftPair()
798     slwi(dst_high, src_high, Operand(shift));  in ShiftLeftPair()
805                                     Register src_low, Register src_high,  in ShiftRightPair()  argument
807   DCHECK(!AreAliased(dst_low, src_high));  in ShiftRightPair()
816   srw(dst_low, src_high, scratch);  in ShiftRightPair()
823   slw(scratch, src_high, scratch);  in ShiftRightPair()
825   srw(dst_high, src_high, shift);  in ShiftRightPair()
830                                     Register src_low, Register src_high,  in ShiftRightPair()  argument
832   DCHECK(!AreAliased(dst_low, src_high));  in ShiftRightPair()
835     Move(dst_low, src_high);  in ShiftRightPair()
839     srwi(dst_low, src_high, Operand(shift));  in ShiftRightPair()
843     Move(dst_high, src_high);  in ShiftRightPair()
846     rlwimi(dst_low, src_high, 32 - shift, 0, shift - 1);  in ShiftRightPair()
847     srwi(dst_high, src_high, Operand(shift));  in ShiftRightPair()
852                                        Register src_low, Register src_high,  in ShiftRightAlgPair()  argument
854   DCHECK(!AreAliased(dst_low, src_high, shift));  in ShiftRightAlgPair()
862   sraw(dst_low, src_high, scratch);  in ShiftRightAlgPair()
863   srawi(dst_high, src_high, 31);  in ShiftRightAlgPair()
869   slw(scratch, src_high, scratch);  in ShiftRightAlgPair()
871   sraw(dst_high, src_high, shift);  in ShiftRightAlgPair()
876                                        Register src_low, Register src_high,  in ShiftRightAlgPair()  argument
878   DCHECK(!AreAliased(dst_low, src_high));  in ShiftRightAlgPair()
881     Move(dst_low, src_high);  in ShiftRightAlgPair()
882     srawi(dst_high, src_high, 31);  in ShiftRightAlgPair()
885     srawi(dst_low, src_high, shift);  in ShiftRightAlgPair()
886     srawi(dst_high, src_high, 31);  in ShiftRightAlgPair()
889     Move(dst_high, src_high);  in ShiftRightAlgPair()
892     rlwimi(dst_low, src_high, 32 - shift, 0, shift - 1);  in ShiftRightAlgPair()
893     srawi(dst_high, src_high, shift);  in ShiftRightAlgPair()