We don't currently have use cases for some combinations of pack widths and instructions. Given the implementation overhead (in terms of complexity and resources) that these generate, it might be worth reviewing which ones we include and which we could discard.
| Instruction |
pw=16 |
pw=8 |
pw=4 |
pw=2 |
padd |
sparx |
|
|
|
psub |
sparx |
|
|
|
pmul |
frodo |
|
|
|
pclmul |
|
|
|
|
psll[i] |
|
|
|
|
psrl[i] |
|
|
|
|
prorl[i] |
sparx |
|
|
|
We don't currently have use cases for some combinations of pack widths and instructions. Given the implementation overhead (in terms of complexity and resources) that these generate, it might be worth reviewing which ones we include and which we could discard.
paddpsubpmulpclmulpsll[i]psrl[i]prorl[i]