From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Fri, 25 Jun 2021 18:12:13 +0000 (+0100)
Subject: only set conditions in PowerDecoder2 for svp64 mode
X-Git-Tag: xlen-bcd~376
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=a451d71d5df39b3f99b9802711b524a71a70ed19;p=openpower-isa.git

only set conditions in PowerDecoder2 for svp64 mode
---

diff --git a/src/openpower/decoder/power_decoder2.py b/src/openpower/decoder/power_decoder2.py
index a7098303..6ee8f821 100644
--- a/src/openpower/decoder/power_decoder2.py
+++ b/src/openpower/decoder/power_decoder2.py
@@ -777,9 +777,12 @@ class PowerDecodeSubset(Elaboratable):
         # "conditions" for Decoders, to enable some weird and wonderful
         # alternatives.  useful for PCR (Program Compatibility Register)
         # amongst other things
-        conditions = {'SVP64BREV': self.use_svp64_ldst_dec,
-                      '~SVP64BREV': ~self.use_svp64_ldst_dec
-                     }
+        if svp64_en:
+            conditions = {'SVP64BREV': self.use_svp64_ldst_dec,
+                          '~SVP64BREV': ~self.use_svp64_ldst_dec
+                         }
+        else:
+            conditions = None
 
         # only needed for "main" PowerDecode2
         if not self.final: