From: lkcl Date: Sat, 5 Mar 2022 11:53:33 +0000 (+0000) Subject: (no commit message) X-Git-Tag: opf_rfc_ls005_v1~3155 X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=5ba02d52849251e8bbc102ce72f49ecc5f512404;p=libreriscv.git --- diff --git a/openpower/sv/bitmanip.mdwn b/openpower/sv/bitmanip.mdwn index b39ed6696..f85e9ce3c 100644 --- a/openpower/sv/bitmanip.mdwn +++ b/openpower/sv/bitmanip.mdwn @@ -6,6 +6,7 @@ * grev * remove Rc=1 from ternlog due to conflicts in encoding as well as saving space +* GF2^M # bitmanipulation @@ -83,10 +84,10 @@ TODO: convert all instructions to use RT and not RS | NN | RT | RA | s0-5 | s6 im0-3| 01 100 |1 | grevlogi | | NN | RT | RA | | | 1- 100 |1 | rsvd | | NN | RS | RA | RB | RC | 00 011 |Rc| gfmul | -| NN | RS | RA | RB | RC | 01 011 |Rc| gfadd | -| NN | RT | RA | RB | deg | 10 011 |Rc| gfinv | -| NN | RS | RA | RB | deg | 11 011 |Rc| gfmuli | -| NN | RS | RA | RB | deg | 11 111 |Rc| gfaddi | +| NN | RS | RA | RB | RC | 01 011 |Rc| gfmaddsub | +| NN | RT | RA | RB | | 10 011 |Rc| rsvd | +| NN | RS | RA | RB | | 11 011 |Rc| rsvd | +| NN | RS | RA | RB | | 11 111 |Rc| rsvd | | 0.5|6.10|11.15| 16.23 |24.27 | 28.30 |31| name | | -- | -- | --- | ----- | ---- | ----- |--| ------ | @@ -133,7 +134,8 @@ double check that instructions didn't need 3 inputs. | NN | RA | RB | RC | 0 | 10 | 0010 110 |Rc| shfl | | NN | RA | RB | sh | SH | 10 | 1010 110 |Rc| shfli | | NN | RA | RB | RC | 0 | 10 | 0110 110 |Rc| shflw | -| NN | RA | RB | RC | | 10 | 1110 110 |Rc| rsvd | +| NN | RA | RB | RC | 0 | 10 | 1110 110 |Rc| gfadd | +| NN | RA | RB | RC | 1 | 10 | 1110 110 |Rc| rsvd | | NN | RA | RB | RC | 0 | 11 | 1110 110 |Rc| clmulr | | NN | RA | RB | RC | 1 | 11 | 1110 110 |Rc| clmulh | | NN | | | | | | --11 110 |Rc| setvl |