opcodes-rv32zbs


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bclr       rd rs1 rs2 31..25=36 14..12=1 6..2=0x0C 1..0=3
bset       rd rs1 rs2 31..25=20 14..12=1 6..2=0x0C 1..0=3
binv       rd rs1 rs2 31..25=52 14..12=1 6..2=0x0C 1..0=3
bext       rd rs1 rs2 31..25=36 14..12=5 6..2=0x0C 1..0=3

bclri      rd rs1 31..26=18 shamt 14..12=1 6..2=0x04 1..0=3
bseti      rd rs1 31..26=10 shamt 14..12=1 6..2=0x04 1..0=3
binvi      rd rs1 31..26=26 shamt 14..12=1 6..2=0x04 1..0=3
bexti      rd rs1 31..26=18 shamt 14..12=5 6..2=0x04 1..0=3