diff options
Diffstat (limited to 'target/loongarch/insns.decode')
| -rw-r--r-- | target/loongarch/insns.decode | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/target/loongarch/insns.decode b/target/loongarch/insns.decode new file mode 100644 index 0000000000..8579c11984 --- /dev/null +++ b/target/loongarch/insns.decode @@ -0,0 +1,79 @@ +# SPDX-License-Identifier: GPL-2.0-or-later +# +# LoongArch instruction decode definitions. +# +# Copyright (c) 2021 Loongson Technology Corporation Limited +# + +# +# Fields +# +%sa2p1 15:2 !function=plus_1 + +# +# Argument sets +# +&r_i rd imm +&rrr rd rj rk +&rr_i rd rj imm +&rrr_sa rd rj rk sa + +# +# Formats +# +@rrr .... ........ ..... rk:5 rj:5 rd:5 &rrr +@r_i20 .... ... imm:s20 rd:5 &r_i +@rr_i12 .... ...... imm:s12 rj:5 rd:5 &rr_i +@rr_ui12 .... ...... imm:12 rj:5 rd:5 &rr_i +@rr_i16 .... .. imm:s16 rj:5 rd:5 &rr_i +@rrr_sa2p1 .... ........ ... .. rk:5 rj:5 rd:5 &rrr_sa sa=%sa2p1 + +# +# Fixed point arithmetic operation instruction +# +add_w 0000 00000001 00000 ..... ..... ..... @rrr +add_d 0000 00000001 00001 ..... ..... ..... @rrr +sub_w 0000 00000001 00010 ..... ..... ..... @rrr +sub_d 0000 00000001 00011 ..... ..... ..... @rrr +slt 0000 00000001 00100 ..... ..... ..... @rrr +sltu 0000 00000001 00101 ..... ..... ..... @rrr +slti 0000 001000 ............ ..... ..... @rr_i12 +sltui 0000 001001 ............ ..... ..... @rr_i12 +nor 0000 00000001 01000 ..... ..... ..... @rrr +and 0000 00000001 01001 ..... ..... ..... @rrr +or 0000 00000001 01010 ..... ..... ..... @rrr +xor 0000 00000001 01011 ..... ..... ..... @rrr +orn 0000 00000001 01100 ..... ..... ..... @rrr +andn 0000 00000001 01101 ..... ..... ..... @rrr +mul_w 0000 00000001 11000 ..... ..... ..... @rrr +mulh_w 0000 00000001 11001 ..... ..... ..... @rrr +mulh_wu 0000 00000001 11010 ..... ..... ..... @rrr +mul_d 0000 00000001 11011 ..... ..... ..... @rrr +mulh_d 0000 00000001 11100 ..... ..... ..... @rrr +mulh_du 0000 00000001 11101 ..... ..... ..... @rrr +mulw_d_w 0000 00000001 11110 ..... ..... ..... @rrr +mulw_d_wu 0000 00000001 11111 ..... ..... ..... @rrr +div_w 0000 00000010 00000 ..... ..... ..... @rrr +mod_w 0000 00000010 00001 ..... ..... ..... @rrr +div_wu 0000 00000010 00010 ..... ..... ..... @rrr +mod_wu 0000 00000010 00011 ..... ..... ..... @rrr +div_d 0000 00000010 00100 ..... ..... ..... @rrr +mod_d 0000 00000010 00101 ..... ..... ..... @rrr +div_du 0000 00000010 00110 ..... ..... ..... @rrr +mod_du 0000 00000010 00111 ..... ..... ..... @rrr +alsl_w 0000 00000000 010 .. ..... ..... ..... @rrr_sa2p1 +alsl_wu 0000 00000000 011 .. ..... ..... ..... @rrr_sa2p1 +alsl_d 0000 00000010 110 .. ..... ..... ..... @rrr_sa2p1 +lu12i_w 0001 010 .................... ..... @r_i20 +lu32i_d 0001 011 .................... ..... @r_i20 +lu52i_d 0000 001100 ............ ..... ..... @rr_i12 +pcaddi 0001 100 .................... ..... @r_i20 +pcalau12i 0001 101 .................... ..... @r_i20 +pcaddu12i 0001 110 .................... ..... @r_i20 +pcaddu18i 0001 111 .................... ..... @r_i20 +addi_w 0000 001010 ............ ..... ..... @rr_i12 +addi_d 0000 001011 ............ ..... ..... @rr_i12 +addu16i_d 0001 00 ................ ..... ..... @rr_i16 +andi 0000 001101 ............ ..... ..... @rr_ui12 +ori 0000 001110 ............ ..... ..... @rr_ui12 +xori 0000 001111 ............ ..... ..... @rr_ui12 |