64    this->base_mrf = -1;  in init()
970          if (base_mrf >= 0)  in size_read()
1152    if (base_mrf == -1)  in implied_mrf_writes()
3345          if (scan_inst->mlen > 0 && scan_inst->base_mrf != -1 &&  in compute_to_mrf()
3346              regions_overlap(fs_reg(MRF, scan_inst->base_mrf), scan_inst->mlen * REG_SIZE,  in compute_to_mrf()
3480    int base_mrf = 0;  in emit_repclear_shader()  local
3481    int color_mrf = base_mrf + 2;  in emit_repclear_shader()
3502       write->base_mrf = color_mrf;  in emit_repclear_shader()
3510          retype(brw_message_reg(base_mrf), BRW_REGISTER_TYPE_UD);  in emit_repclear_shader()
3522          write->base_mrf = base_mrf;  in emit_repclear_shader()
3587       if (inst->mlen > 0 && inst->base_mrf != -1) {  in remove_duplicate_mrf_writes()
3592 	    last_mrf_move[inst->base_mrf + i] = NULL;  in remove_duplicate_mrf_writes()
3942          inst->base_mrf = FIRST_PULL_LOAD_MRF(devinfo->ver) + 1;  in lower_uniform_pull_constant_loads()
4835       inst->base_mrf = 1;  in lower_fb_write_logical_send()
4998    inst->base_mrf = msg_begin.nr;  in lower_sampler_logical_send_gfx4()
5092    inst->base_mrf = message.nr;  in lower_sampler_logical_send_gfx5()
6671       inst->base_mrf = payload.nr;  in lower_varying_pull_constant_logical_send()
6682    inst->base_mrf = 2;  in lower_math_logical_send()
6703       bld.MOV(fs_reg(MRF, inst->base_mrf + 1, src1.type), src1);  in lower_math_logical_send()