tx79.decode (2959B)
1# Toshiba C790's instruction set 2# 3# Copyright (C) 2021 Philippe Mathieu-Daudé 4# 5# SPDX-License-Identifier: LGPL-2.1-or-later 6# 7# Toshiba Appendix B C790-Specific Instruction Set Details 8 9########################################################################### 10# Named attribute sets. These are used to make nice(er) names 11# when creating helpers common to those for the individual 12# instruction patterns. 13 14&r rs rt rd sa 15 16&i base rt offset 17 18########################################################################### 19# Named instruction formats. These are generally used to 20# reduce the amount of duplication between instruction patterns. 21 22@rs_rt_rd ...... rs:5 rt:5 rd:5 ..... ...... &r sa=0 23@rt_rd ...... ..... rt:5 rd:5 ..... ...... &r sa=0 rs=0 24@rs ...... rs:5 ..... .......... ...... &r sa=0 rt=0 rd=0 25@rd ...... .......... rd:5 ..... ...... &r sa=0 rs=0 rt=0 26 27@ldst ...... base:5 rt:5 offset:16 &i 28 29########################################################################### 30 31MFHI1 011100 0000000000 ..... 00000 010000 @rd 32MTHI1 011100 ..... 0000000000 00000 010001 @rs 33MFLO1 011100 0000000000 ..... 00000 010010 @rd 34MTLO1 011100 ..... 0000000000 00000 010011 @rs 35 36# MMI0 37 38PSUBW 011100 ..... ..... ..... 00001 001000 @rs_rt_rd 39PCGTW 011100 ..... ..... ..... 00010 001000 @rs_rt_rd 40PSUBH 011100 ..... ..... ..... 00101 001000 @rs_rt_rd 41PCGTH 011100 ..... ..... ..... 00110 001000 @rs_rt_rd 42PSUBB 011100 ..... ..... ..... 01001 001000 @rs_rt_rd 43PCGTB 011100 ..... ..... ..... 01010 001000 @rs_rt_rd 44PEXTLW 011100 ..... ..... ..... 10010 001000 @rs_rt_rd 45PPACW 011100 ..... ..... ..... 10011 001000 @rs_rt_rd 46PEXTLH 011100 ..... ..... ..... 10110 001000 @rs_rt_rd 47PEXTLB 011100 ..... ..... ..... 11010 001000 @rs_rt_rd 48 49# MMI1 50 51PCEQW 011100 ..... ..... ..... 00010 101000 @rs_rt_rd 52PCEQH 011100 ..... ..... ..... 00110 101000 @rs_rt_rd 53PCEQB 011100 ..... ..... ..... 01010 101000 @rs_rt_rd 54PEXTUW 011100 ..... ..... ..... 10010 101000 @rs_rt_rd 55 56# MMI2 57 58PCPYLD 011100 ..... ..... ..... 01110 001001 @rs_rt_rd 59PAND 011100 ..... ..... ..... 10010 001001 @rs_rt_rd 60PXOR 011100 ..... ..... ..... 10011 001001 @rs_rt_rd 61PROT3W 011100 00000 ..... ..... 11111 001001 @rt_rd 62 63# MMI3 64 65PCPYUD 011100 ..... ..... ..... 01110 101001 @rs_rt_rd 66POR 011100 ..... ..... ..... 10010 101001 @rs_rt_rd 67PNOR 011100 ..... ..... ..... 10011 101001 @rs_rt_rd 68PCPYH 011100 00000 ..... ..... 11011 101001 @rt_rd 69 70# SPECIAL 71 72LQ 011110 ..... ..... ................ @ldst 73SQ 011111 ..... ..... ................ @ldst