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| -rw-r--r-- | README.md | 14 |
1 files changed, 9 insertions, 5 deletions
@@ -94,11 +94,15 @@ and can be accessed through two special instructions. Bitwise logic operations can write to all registers except `v0`-`v7`, `x0` and `pc`. Can read from all registers except `v0`-`v7`. -| Mnemonic | Effect | -| -------------------------------- | ---------------------- | -| `and` dst: r, reg: r, val: r/imm | `dst` = `dst` & `val` | -| `or` dst: r, reg: r, val: r/imm | `dst` = `dst` \| `val` | -| `xor` dst: r, reg: r, val: r/imm | `dst` = `dst` ^ `val` | +| Mnemonic | Effect | +| -------------------------------- | ------------------------------- | +| `and` dst: r, reg: r, val: r/imm | `dst` = `dst` & `val` | +| `or` dst: r, reg: r, val: r/imm | `dst` = `dst` \| `val` | +| `xor` dst: r, reg: r, val: r/imm | `dst` = `dst` ^ `val` | +| `mrob` dst: r: mask [bit]: imm | Fill byte of 'dst' with 'mask' | +| `mrow` dst: r: mask [bit]: imm | Fill word of 'dst' with 'mask' | +| `mrod` dst: r: mask [bit]: imm | Fill dword of 'dst' with 'mask' | +| `mroq` dst: r: mask [bit]: imm | Fill qword of 'dst' with 'mask' | #### Example ``` |