| lkcl | https://sourceware.org/pipermail/binutils/2021-February/115213.html | 13:02 |
|---|---|---|
| lkcl | wtf?? | 13:02 |
| Ultrasauce | this is fallout from the symbiotic crap isnt it | 14:52 |
| sorear | probably, they're only backing out claire's commits | 15:09 |
| lkcl | the actual work from bitmanip - the research that everyone's done - is fantastic | 15:43 |
| lkcl | i've taken the abstraction a step further, here https://libre-soc.org/openpower/sv/bitmanip/ | 15:44 |
| lkcl | to add general-purpose Galois Field add/mul/inverse for example | 15:44 |
| lkcl | combined with the in-place 2D Matrix "remap" capability, things like Rijndael MixColumns are covered as a single instruction | 15:45 |
| lkcl | Remap is a bit of a pig to set up, though | 15:45 |
| lkcl | can anyone find a *general-purpose* implementation of Galois-Field "invert"? | 17:08 |
| lkcl | i found an 8-bit GF(2^8) version online | 17:08 |
| lkcl | yowser it's the *whole lot* gone https://sourceware.org/pipermail/binutils/2021-February/115215.html | 17:11 |
| sorear | that's also a tiny patch | 17:12 |
| sorear | considering that it's just binutils | 17:12 |
| lkcl | yeah it's a good sign, someone else should be able to replicate it | 17:22 |
| lkcl | (it's a good sign as to how easy it would be to add new instructions to binutils) | 17:23 |
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