27  *                 |  lo(R9)  |
29  *                 |  lo(FP)  | JIT scratch space for BPF registers
115 static s8 lo(const s8 *r)  in lo()  function
159 	REG_SET_SEEN(ctx, lo(rd));  in emit_imm32()
160 	emit_imm(lo(rd), imm, ctx);  in emit_imm32()
174 	emit_imm(lo(rd), imm_lo, ctx);  in emit_imm64()
203 	emit_hppa_copy(lo(r0), HPPA_REG_RET0, ctx);  in __build_epilogue()
229 		emit(hppa_ldw(REG_SIZE * lo(reg) - offset_sp, HPPA_REG_SP, lo(tmp)), ctx);  in bpf_get_reg64_offset()
233 	REG_SET_SEEN(ctx, lo(reg));  in bpf_get_reg64_offset()
255 	REG_SET_SEEN(ctx, lo(reg));  in bpf_get_reg64_ref()
265 		emit(hppa_stw(lo(src), REG_SIZE * lo(reg), HPPA_REG_SP), ctx);  in bpf_put_reg64()
283 	if (is_stacked(lo(reg))) {  in bpf_get_reg32()
284 		emit(hppa_ldw(REG_SIZE * lo(reg), HPPA_REG_SP, lo(tmp)), ctx);  in bpf_get_reg32()
287 	REG_SET_SEEN(ctx, lo(reg));  in bpf_get_reg32()
300 	REG_SET_SEEN(ctx, lo(reg));  in bpf_get_reg32_ref()
307 	if (is_stacked(lo(reg))) {  in bpf_put_reg32()
308 		REG_SET_SEEN(ctx, lo(src));  in bpf_put_reg32()
309 		emit(hppa_stw(lo(src), REG_SIZE * lo(reg), HPPA_REG_SP), ctx);  in bpf_put_reg32()
364 	emit_hppa_copy(lo(arg0), HPPA_REG_ARG0, ctx);  in emit_call_libgcc_ll()
366 	emit_hppa_copy(lo(arg1), HPPA_REG_ARG2, ctx);  in emit_call_libgcc_ll()
394 	emit_hppa_copy(HPPA_REG_RET1, lo(arg0), ctx);  in emit_call_libgcc_ll()
439 		emit(hppa_and(lo(rd), HPPA_REG_T0, lo(rd)), ctx);  in emit_alu_i64()
445 		emit(hppa_or(lo(rd), HPPA_REG_T0, lo(rd)), ctx);  in emit_alu_i64()
451 		emit_hppa_xor(lo(rd), HPPA_REG_T0, lo(rd), ctx);  in emit_alu_i64()
462 			emit(hppa_zdep(lo(rd), imm, imm, hi(rd)), ctx);  in emit_alu_i64()
463 			emit_hppa_copy(HPPA_REG_ZERO, lo(rd), ctx);  in emit_alu_i64()
465 			emit_hppa_copy(lo(rd), hi(rd), ctx);  in emit_alu_i64()
466 			emit_hppa_copy(HPPA_REG_ZERO, lo(rd), ctx);  in emit_alu_i64()
468 			emit(hppa_shd(hi(rd), lo(rd), 32 - imm, hi(rd)), ctx);  in emit_alu_i64()
469 			emit(hppa_zdep(lo(rd), imm, imm, lo(rd)), ctx);  in emit_alu_i64()
477 			emit(hppa_shr(hi(rd), imm, lo(rd)), ctx);  in emit_alu_i64()
480 			emit_hppa_copy(hi(rd), lo(rd), ctx);  in emit_alu_i64()
483 			emit(hppa_shrpw(hi(rd), lo(rd), imm, lo(rd)), ctx);  in emit_alu_i64()
492 			emit(hppa_extrws(hi(rd), 31 - imm, imm, lo(rd)), ctx);  in emit_alu_i64()
495 			emit_hppa_copy(hi(rd), lo(rd), ctx);  in emit_alu_i64()
498 			emit(hppa_shrpw(hi(rd), lo(rd), imm, lo(rd)), ctx);  in emit_alu_i64()
523 		emit_imm(lo(rd), imm, ctx);  in emit_alu_i32()
527 		emit(hppa_add(lo(rd), HPPA_REG_T0, lo(rd)), ctx);  in emit_alu_i32()
531 		emit(hppa_sub(lo(rd), HPPA_REG_T0, lo(rd)), ctx);  in emit_alu_i32()
535 		emit(hppa_and(lo(rd), HPPA_REG_T0, lo(rd)), ctx);  in emit_alu_i32()
539 		emit(hppa_or(lo(rd), HPPA_REG_T0, lo(rd)), ctx);  in emit_alu_i32()
543 		emit_hppa_xor(lo(rd), HPPA_REG_T0, lo(rd), ctx);  in emit_alu_i32()
547 			emit(hppa_zdep(lo(rd), imm, imm, lo(rd)), ctx);  in emit_alu_i32()
551 			emit(hppa_shr(lo(rd), imm, lo(rd)), ctx);  in emit_alu_i32()
555 			emit(hppa_extrws(lo(rd), 31 - imm, imm, lo(rd)), ctx);  in emit_alu_i32()
580 		emit_hppa_copy(lo(rs), lo(rd), ctx);  in emit_alu_r64()
584 		emit(hppa_add(lo(rd), lo(rs), lo(rd)), ctx);  in emit_alu_r64()
588 		emit(hppa_sub(lo(rd), lo(rs), lo(rd)), ctx);  in emit_alu_r64()
592 		emit(hppa_and(lo(rd), lo(rs), lo(rd)), ctx);  in emit_alu_r64()
596 		emit(hppa_or(lo(rd), lo(rs), lo(rd)), ctx);  in emit_alu_r64()
600 		emit_hppa_xor(lo(rd), lo(rs), lo(rd), ctx);  in emit_alu_r64()
622 		emit(hppa_sub(HPPA_REG_ZERO, lo(rd), lo(rd)), ctx);  in emit_alu_r64()
648 		emit_hppa_copy(lo(rs), lo(rd), ctx);  in emit_alu_r32()
651 		emit(hppa_add(lo(rd), lo(rs), lo(rd)), ctx);  in emit_alu_r32()
654 		emit(hppa_sub(lo(rd), lo(rs), lo(rd)), ctx);  in emit_alu_r32()
657 		emit(hppa_and(lo(rd), lo(rs), lo(rd)), ctx);  in emit_alu_r32()
660 		emit(hppa_or(lo(rd), lo(rs), lo(rd)), ctx);  in emit_alu_r32()
663 		emit_hppa_xor(lo(rd), lo(rs), lo(rd), ctx);  in emit_alu_r32()
666 		emit_call_millicode($$mulI, lo(rd), lo(rs), op, ctx);  in emit_alu_r32()
669 		emit_call_millicode($$divU, lo(rd), lo(rs), op, ctx);  in emit_alu_r32()
672 		emit_call_millicode($$remU, lo(rd), lo(rs), op, ctx);  in emit_alu_r32()
675 		emit(hppa_subi(0x1f, lo(rs), HPPA_REG_T0), ctx);  in emit_alu_r32()
677 		emit(hppa_depwz_sar(lo(rd), lo(rd)), ctx);  in emit_alu_r32()
680 		emit(hppa_mtsar(lo(rs)), ctx);  in emit_alu_r32()
681 		emit(hppa_shrpw_sar(lo(rd), lo(rd)), ctx);  in emit_alu_r32()
684 		// emit(hppa_beq(lo(rs), HPPA_REG_ZERO, 2), ctx);  in emit_alu_r32()
685 		emit(hppa_subi(0x1f, lo(rs), HPPA_REG_T0), ctx);  in emit_alu_r32()
687 		emit(hppa_extrws_sar(lo(rd), lo(rd)), ctx);  in emit_alu_r32()
690 		emit(hppa_sub(HPPA_REG_ZERO, lo(rd), lo(rd)), ctx);  // sub r0,rd,rd  in emit_alu_r32()
723 		emit(hppa_bne(lo(rs1), lo(rs2), NO_JUMP(0)), ctx);  in emit_branch_r64()
728 		emit(hppa_bleu(lo(rs1), lo(rs2), NO_JUMP(0)), ctx);  in emit_branch_r64()
733 		emit(hppa_bgeu(lo(rs1), lo(rs2), NO_JUMP(0)), ctx);  in emit_branch_r64()
738 		emit(hppa_bltu(lo(rs1), lo(rs2), NO_JUMP(0)), ctx);  in emit_branch_r64()
743 		emit(hppa_bgtu(lo(rs1), lo(rs2), NO_JUMP(0)), ctx);  in emit_branch_r64()
747 		emit(hppa_beq(lo(rs1), lo(rs2), NO_JUMP(0)), ctx);  in emit_branch_r64()
752 		emit(hppa_bleu(lo(rs1), lo(rs2), NO_JUMP(0)), ctx);  in emit_branch_r64()
757 		emit(hppa_bgeu(lo(rs1), lo(rs2), NO_JUMP(0)), ctx);  in emit_branch_r64()
762 		emit(hppa_bltu(lo(rs1), lo(rs2), NO_JUMP(0)), ctx);  in emit_branch_r64()
767 		emit(hppa_bgtu(lo(rs1), lo(rs2), NO_JUMP(0)), ctx);  in emit_branch_r64()
771 		emit(hppa_and(lo(rs1), lo(rs2), HPPA_REG_T1), ctx);  in emit_branch_r64()
880 	if (emit_bcc(op, lo(rs1), lo(rs2), paoff, ctx))  in emit_branch_r32()
899 	emit(hppa_stw(lo(reg), -0x44, HPPA_REG_SP), ctx);  in emit_call()
903 	emit(hppa_stw(lo(reg), -0x3c, HPPA_REG_SP), ctx);  in emit_call()
907 	emit(hppa_stw(lo(reg), -0x34, HPPA_REG_SP), ctx);  in emit_call()
911 	emit_hppa_copy(lo(reg), HPPA_REG_ARG2, ctx);  in emit_call()
915 	emit_hppa_copy(lo(reg), HPPA_REG_ARG0, ctx);  in emit_call()
940 	emit_hppa_copy(HPPA_REG_RET1, lo(r0), ctx);  in emit_call()
962 	emit(hppa_ldw(off, lo(arr_reg), HPPA_REG_T1), ctx);  in emit_bpf_tail_call()
968 	emit(hppa_bltu(lo(idx_reg), HPPA_REG_T1, 2 - HPPA_BRANCH_DISPLACEMENT), ctx);  in emit_bpf_tail_call()
986 	emit(hppa_sh2add(lo(idx_reg), lo(arr_reg), HPPA_REG_T0), ctx);  in emit_bpf_tail_call()
1017 		srcreg = lo(rs);  in emit_load_r64()
1021 		emit(hppa_addil(off, lo(rs)), ctx);  in emit_load_r64()
1028 		emit(hppa_ldb(off + 0, srcreg, lo(rd)), ctx);  in emit_load_r64()
1033 		emit(hppa_ldh(off + 0, srcreg, lo(rd)), ctx);  in emit_load_r64()
1038 		emit(hppa_ldw(off + 0, srcreg, lo(rd)), ctx);  in emit_load_r64()
1044 		emit(hppa_ldw(off + 4, srcreg, lo(rd)), ctx);  in emit_load_r64()
1064 		dstreg = lo(rd);  in emit_store_r64()
1068 		emit(hppa_addil(off, lo(rd)), ctx);  in emit_store_r64()
1075 		emit(hppa_stb(lo(rs), off + 0, dstreg), ctx);  in emit_store_r64()
1078 		emit(hppa_sth(lo(rs), off + 0, dstreg), ctx);  in emit_store_r64()
1081 		emit(hppa_stw(lo(rs), off + 0, dstreg), ctx);  in emit_store_r64()
1085 		emit(hppa_stw(lo(rs), off + 4, dstreg), ctx);  in emit_store_r64()
1250 			emit(hppa_extru(lo(rd), 31, 16, lo(rd)), ctx);  in bpf_jit_emit_insn()
1275 			emit_rev16(lo(rd), ctx);  in bpf_jit_emit_insn()
1280 			emit_rev32(lo(rd), lo(rd), ctx);  in bpf_jit_emit_insn()
1287 			emit_rev32(lo(rd), hi(rd), ctx);  in bpf_jit_emit_insn()
1288 			emit_rev32(HPPA_REG_T0, lo(rd), ctx);  in bpf_jit_emit_insn()
1549 	if (REG_WAS_SEEN(ctx, lo(reg)) | REG_WAS_SEEN(ctx, hi(reg))) {  in bpf_jit_build_prologue()
1552 		if (REG_WAS_SEEN(ctx, lo(reg)))  in bpf_jit_build_prologue()
1553 			emit(hppa_ldw(-0x44, HPPA_REG_R1, lo(reg)), ctx);  in bpf_jit_build_prologue()
1559 	if (REG_WAS_SEEN(ctx, lo(reg)) | REG_WAS_SEEN(ctx, hi(reg))) {  in bpf_jit_build_prologue()
1562 		if (REG_WAS_SEEN(ctx, lo(reg)))  in bpf_jit_build_prologue()
1563 			emit(hppa_ldw(-0x3c, HPPA_REG_R1, lo(reg)), ctx);  in bpf_jit_build_prologue()
1569 	if (REG_WAS_SEEN(ctx, lo(reg)) | REG_WAS_SEEN(ctx, hi(reg))) {  in bpf_jit_build_prologue()
1572 		if (REG_WAS_SEEN(ctx, lo(reg)))  in bpf_jit_build_prologue()
1573 			emit(hppa_ldw(-0x34, HPPA_REG_R1, lo(reg)), ctx);  in bpf_jit_build_prologue()
1579 	if (REG_WAS_SEEN(ctx, lo(reg)) | REG_WAS_SEEN(ctx, hi(reg))) {  in bpf_jit_build_prologue()
1582 		if (REG_WAS_SEEN(ctx, lo(reg)))  in bpf_jit_build_prologue()
1583 			emit_hppa_copy(HPPA_REG_ARG2, lo(reg), ctx);  in bpf_jit_build_prologue()
1589 	if (REG_WAS_SEEN(ctx, lo(reg)) | REG_WAS_SEEN(ctx, hi(reg))) {  in bpf_jit_build_prologue()
1592 		if (REG_WAS_SEEN(ctx, lo(reg)))  in bpf_jit_build_prologue()
1593 			emit_hppa_copy(HPPA_REG_ARG0, lo(reg), ctx);  in bpf_jit_build_prologue()
1600 	if (REG_WAS_SEEN(ctx, lo(reg)) | REG_WAS_SEEN(ctx, hi(reg))) {  in bpf_jit_build_prologue()
1601 		if (REG_WAS_SEEN(ctx, lo(reg)))  in bpf_jit_build_prologue()
1603 				HPPA_REG_SP, lo(reg)), ctx);  in bpf_jit_build_prologue()