diff options
Diffstat (limited to 'target/mips/tcg/octeon.decode')
| -rw-r--r-- | target/mips/tcg/octeon.decode | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/target/mips/tcg/octeon.decode b/target/mips/tcg/octeon.decode new file mode 100644 index 0000000000..8929ad088e --- /dev/null +++ b/target/mips/tcg/octeon.decode @@ -0,0 +1,41 @@ +# Octeon Architecture Module instruction set +# +# Copyright (C) 2022 Pavel Dovgalyuk +# +# 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:16 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 |