From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Sun, 29 Nov 2020 17:15:28 +0000 (+0000)
Subject: add TODO comment about using insn_histogram.py
X-Git-Tag: convert-csv-opcode-to-binary~1620
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=75ee691182518e596f3e5807fd4a22f09dfd8c9f;p=libreriscv.git

add TODO comment about using insn_histogram.py
---

diff --git a/openpower/sv/comp16-v1-skel.py b/openpower/sv/comp16-v1-skel.py
index da7a066a4..e237a63d5 100644
--- a/openpower/sv/comp16-v1-skel.py
+++ b/openpower/sv/comp16-v1-skel.py
@@ -95,6 +95,8 @@ def same01(opcode, ops):
         return 0
 
 # Registers representable in a made-up 3-bit mapping.
+# TODO: use insn_histogram.py to show the best targets
+# (remember to exclude nop - ori r0,r0,0 as this skews numbers)
 cregs2 = { 1, 2, 3, 4, 5, 6, 7, 31 }
 
 # Return true iff mop is a regular register present in cregs2