From a2bdeb2e50fe640369bfc90f0a623f5aa3a31e28 Mon Sep 17 00:00:00 2001 From: Luke Kenneth Casson Leighton Date: Sat, 7 Apr 2018 21:46:43 +0100 Subject: [PATCH] add placeholder proposal markers --- simple_v_extension.mdwn | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/simple_v_extension.mdwn b/simple_v_extension.mdwn index a2328f10f..43b169850 100644 --- a/simple_v_extension.mdwn +++ b/simple_v_extension.mdwn @@ -51,6 +51,18 @@ of not being widely adopted. I'm inclined towards recommending: apply across *all* Extensions, whether those be DSP, M, Base, V, P - everything. +**TODO**: propose overflow registers be actually one of the integer regs +(flowing to multiple regs). + +**TODO**: propose "mask" (predication) registers likewise. combination with +standard RV instructions and overflow registers extremely powerful + +**TODO**: propose two LOAD/STORE offset CSRs, which mark a particular +register as being "if you use this reg in LOAD/STORE, use the offset +amount CSRoffsN (N=0,1) instead of treating LOAD/STORE as contiguous". +can be used for matrix spanning. + + # Analysis and discussion of Vector vs SIMD There are four combined areas between the two proposals that help with -- 2.30.2