| # Octeon Architecture Module instruction set |
| # |
| # Copyright (C) 2022 Pavel Dovgalyuk |
| # Copyright (C) 2024 Philippe Mathieu-Daudé |
| # |
| # SPDX-License-Identifier: LGPL-2.1-or-later |
| # |
| |
| # Branch on bit set or clear |
| # BBIT0 110010 ..... ..... ................ |
| # BBIT032 110110 ..... ..... ................ |
| # BBIT1 111010 ..... ..... ................ |
| # BBIT132 111110 ..... ..... ................ |
| |
| %bbit_p 28:1 16:5 |
| BBIT 11 set:1 . 10 rs:5 ..... offset:s16 p=%bbit_p |
| |
| # Arithmetic |
| # BADDU rd, rs, rt |
| # DMUL rd, rs, rt |
| # EXTS rt, rs, p, lenm1 |
| # EXTS32 rt, rs, p, lenm1 |
| # CINS rt, rs, p, lenm1 |
| # CINS32 rt, rs, p, lenm1 |
| # DPOP rd, rs |
| # POP rd, rs |
| # SEQ rd, rs, rt |
| # SEQI rt, rs, immediate |
| # SNE rd, rs, rt |
| # SNEI rt, rs, immediate |
| |
| @r3 ...... rs:5 rt:5 rd:5 ..... ...... |
| %bitfield_p 0:1 6:5 |
| @bitfield ...... rs:5 rt:5 lenm1:5 ..... ..... . p=%bitfield_p |
| |
| BADDU 011100 ..... ..... ..... 00000 101000 @r3 |
| DMUL 011100 ..... ..... ..... 00000 000011 @r3 |
| EXTS 011100 ..... ..... ..... ..... 11101 . @bitfield |
| CINS 011100 ..... ..... ..... ..... 11001 . @bitfield |
| POP 011100 rs:5 00000 rd:5 00000 10110 dw:1 |
| SEQNE 011100 rs:5 rt:5 rd:5 00000 10101 ne:1 |
| SEQNEI 011100 rs:5 rt:5 imm:s10 10111 ne:1 |
| |
| &lx base index rd |
| @lx ...... base:5 index:5 rd:5 ...... ..... &lx |
| LWX 011111 ..... ..... ..... 00000 001010 @lx |
| LHX 011111 ..... ..... ..... 00100 001010 @lx |
| LBUX 011111 ..... ..... ..... 00110 001010 @lx |
| LDX 011111 ..... ..... ..... 01000 001010 @lx |
