diff options
Diffstat (limited to 'target/riscv/insn32.decode')
| -rw-r--r-- | target/riscv/insn32.decode | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode index f75642b..9a2ffab 100644 --- a/target/riscv/insn32.decode +++ b/target/riscv/insn32.decode @@ -41,6 +41,7 @@ &i imm rs1 rd &j imm rd &r rd rs1 rs2 +&r2 rd rs1 &s imm rs1 rs2 &u imm rd &shift shamt rs1 rd @@ -68,7 +69,7 @@ @r4_rm ..... .. ..... ..... ... ..... ....... %rs3 %rs2 %rs1 %rm %rd @r_rm ....... ..... ..... ... ..... ....... %rs2 %rs1 %rm %rd @r2_rm ....... ..... ..... ... ..... ....... %rs1 %rm %rd -@r2 ....... ..... ..... ... ..... ....... %rs1 %rd +@r2 ....... ..... ..... ... ..... ....... &r2 %rs1 %rd @r2_nfvm ... ... vm:1 ..... ..... ... ..... ....... &r2nfvm %nf %rs1 %rd @r2_vm ...... vm:1 ..... ..... ... ..... ....... &rmr %rs2 %rd @r1_vm ...... vm:1 ..... ..... ... ..... ....... %rd @@ -657,3 +658,11 @@ vamomind_v 10000 . . ..... ..... 111 ..... 0101111 @r_wdvm vamomaxd_v 10100 . . ..... ..... 111 ..... 0101111 @r_wdvm vamominud_v 11000 . . ..... ..... 111 ..... 0101111 @r_wdvm vamomaxud_v 11100 . . ..... ..... 111 ..... 0101111 @r_wdvm + +# *** RV32B Standard Extension *** +clz 011000 000000 ..... 001 ..... 0010011 @r2 +ctz 011000 000001 ..... 001 ..... 0010011 @r2 + +# *** RV64B Standard Extension (in addition to RV32B) *** +clzw 0110000 00000 ..... 001 ..... 0011011 @r2 +ctzw 0110000 00001 ..... 001 ..... 0011011 @r2 |