From: lkcl Date: Sat, 23 Jul 2022 09:49:26 +0000 (+0100) Subject: (no commit message) X-Git-Tag: opf_rfc_ls005_v1~1106 X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=b04c16619565bb3a87486c46bef20b42e5c2da44;p=libreriscv.git --- diff --git a/openpower/sv/executive_summary.mdwn b/openpower/sv/executive_summary.mdwn index fb8d8714a..b2fef5825 100644 --- a/openpower/sv/executive_summary.mdwn +++ b/openpower/sv/executive_summary.mdwn @@ -1,4 +1,3 @@ - Simple-V is a Scalable Vector ISA Extension specifically for the Power ISA. It is extremely important to think of Simple-V as a 2-Dimensional ISA: instructions vertical and registers horizontal otherwise it will be @@ -15,6 +14,12 @@ ARM NEON, AVX-512 and ARM SVE2 are all Predicated SIMD ISAs and through explicit predicate masks which increases instruction count in hot-loops. +**Simple-V does not modify harm or corrupt the existing Power ISA** and does not +interfere with an existing system. It needs only a small allocation of opcodes (five) to implement, whereas any other Vector implementation would +require an intrusive fundamental overhaul of the Power ISA. + +We invented Simple-V to be simple because we don't like complicated. + Links to Simulator and Unit tests: * Unit tests and simulator for Power ISA v3.0 and SVP64