From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Mon, 14 Dec 2020 14:05:41 +0000 (+0000)
Subject: use highest occurring reg #s in estimates
X-Git-Tag: convert-csv-opcode-to-binary~1325
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=692248b24b99709c767f958533eaf41d60fe7677;p=libreriscv.git

use highest occurring reg #s in estimates
---

diff --git a/openpower/sv/estimate-compression.py b/openpower/sv/estimate-compression.py
index 1d38b5feb..94c0237fd 100644
--- a/openpower/sv/estimate-compression.py
+++ b/openpower/sv/estimate-compression.py
@@ -101,7 +101,7 @@ def same01(opcode, ops):
         return 0
 
 # Registers representable in a made-up 3-bit mapping.
-cregs2 = { 1, 2, 3, 4, 5, 6, 7, 31 }
+cregs2 = { 9, 1, 2, 3, 31, 10, 30, 4 }
 
 # Return true iff mop is a regular register present in cregs2
 def bin2regs3(mop):