From: lkcl <lkcl@web>
Date: Sun, 16 Apr 2023 09:37:20 +0000 (+0100)
Subject: (no commit message)
X-Git-Tag: opf_rfc_ls009_v1~42
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=6f078e0332b2360331d36881fd44319a34eb9966;p=libreriscv.git

---

diff --git a/openpower/sv/remap.mdwn b/openpower/sv/remap.mdwn
index ba6b6666e..df8837db5 100644
--- a/openpower/sv/remap.mdwn
+++ b/openpower/sv/remap.mdwn
@@ -113,7 +113,8 @@ hold the partial results).
   accessing elements in alternative sequences (0 3 6 1 4 7 ...)
 * normal Vector ISAs use either Indexed-MV or Indexed-LD/ST to "cope"
   with this.  both are expensive (copy large vectors, spill through memory)
-  and very few Packed SIMD ISAs cope with non-Power-2.
+  and very few Packed SIMD ISAs cope with non-Power-2
+  (Duplicate-data inline-loop-unrolling is the costly solution)
 * REMAP **redefines** the order of access according to set
   (Deterministic) "Schedules".
 * Matrix Schedules are not at all restricted to power-of-two boundaries