542                             const TCGMovExtend *i2, int scratch)  in tcg_out_movext2()  argument
545     TCGReg src2 = i2->src;  in tcg_out_movext2()
549         tcg_out_movext1(s, i2);  in tcg_out_movext2()
552     if (i2->dst == src1) {  in tcg_out_movext2()
554         TCGType src2_type = i2->src_type;  in tcg_out_movext2()
558             src1 = i2->src;  in tcg_out_movext2()
566     tcg_out_movext1_new_src(s, i2, src2);  in tcg_out_movext2()
583                             const TCGMovExtend *i2, const TCGMovExtend *i3,  in tcg_out_movext3()  argument
587     TCGReg src2 = i2->src;  in tcg_out_movext3()
592         tcg_out_movext2(s, i2, i3, scratch);  in tcg_out_movext3()
595     if (i2->dst != src1 && i2->dst != src3) {  in tcg_out_movext3()
596         tcg_out_movext1(s, i2);  in tcg_out_movext3()
602         tcg_out_movext2(s, i1, i2, scratch);  in tcg_out_movext3()
611     if (i1->dst == src2 && i2->dst == src3 && i3->dst == src1) {  in tcg_out_movext3()
613         if (tcg_out_xchg(s, MAX(i1->src_type, i2->src_type), src1, src2)) {  in tcg_out_movext3()
614             tcg_out_xchg(s, MAX(i2->src_type, i3->src_type), src2, src3);  in tcg_out_movext3()
617             tcg_out_movext1_new_src(s, i2, i2->dst);  in tcg_out_movext3()
623             tcg_out_movext1(s, i2);  in tcg_out_movext3()
626     } else if (i1->dst == src3 && i2->dst == src1 && i3->dst == src2) {  in tcg_out_movext3()
628         if (tcg_out_xchg(s, MAX(i2->src_type, i3->src_type), src2, src3)) {  in tcg_out_movext3()
629             tcg_out_xchg(s, MAX(i1->src_type, i2->src_type), src1, src2);  in tcg_out_movext3()
632             tcg_out_movext1_new_src(s, i2, i2->dst);  in tcg_out_movext3()
637             tcg_out_movext1(s, i2);  in tcg_out_movext3()
3448                 int o, o2, i2;  in process_constraint_sets()  local
3468                         i2 = args_ct[o2].alias_index;  in process_constraint_sets()
3469                         tcg_debug_assert(args_ct[i2].pair == 2);  in process_constraint_sets()
3470                         args_ct[i2].pair_index = i;  in process_constraint_sets()
3471                         args_ct[i].pair_index = i2;  in process_constraint_sets()
3484                         i2 = args_ct[o2].alias_index;  in process_constraint_sets()
3485                         tcg_debug_assert(args_ct[i2].pair == 1);  in process_constraint_sets()
3486                         args_ct[i2].pair_index = i;  in process_constraint_sets()
3487                         args_ct[i].pair_index = i2;  in process_constraint_sets()
5305         int i1, i2;  in tcg_reg_alloc_op()  local
5382             i2 = arg_ct->pair_index;  in tcg_reg_alloc_op()
5383             ts2 = i1 != i2 ? arg_temp(op->args[i2]) : NULL;  in tcg_reg_alloc_op()
5392                     IS_DEAD_ARG(i2) &&  in tcg_reg_alloc_op()