From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Tue, 25 Jun 2019 11:05:32 +0000 (+0100)
Subject: whoops correct elwidth pseudocode
X-Git-Tag: convert-csv-opcode-to-binary~4452
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=cc510e90a8c75e9eacd2e53db5e471bff57601e2;p=libreriscv.git

whoops correct elwidth pseudocode
---

diff --git a/simple_v_extension/abridged_spec.mdwn b/simple_v_extension/abridged_spec.mdwn
index 9a70f0b7c..22310985c 100644
--- a/simple_v_extension/abridged_spec.mdwn
+++ b/simple_v_extension/abridged_spec.mdwn
@@ -747,14 +747,11 @@ and width-extending works:
     } el_reg_t;
 
     bw(elwidth):
-        if elwidth == 0:
-            return xlen
-        if elwidth == 1:
-            return xlen / 2
-        if elwidth == 2:
-            return xlen * 2
+        if elwidth == 0: return xlen
+        if elwidth == 1: return 8
+        if elwidth == 2: return 16
         // elwidth == 3:
-        return 8
+        return 32
 
     get_max_elwidth(rs1, rs2):
         return max(bw(int_csr[rs1].elwidth), # default (XLEN) if not set
diff --git a/simple_v_extension/specification.mdwn b/simple_v_extension/specification.mdwn
index f1297b542..84d5f5fca 100644
--- a/simple_v_extension/specification.mdwn
+++ b/simple_v_extension/specification.mdwn
@@ -1631,14 +1631,11 @@ rd bitwidths).  The pseudo-code is therefore as follows:
     } el_reg_t;
 
     bw(elwidth):
-        if elwidth == 0:
-            return xlen
-        if elwidth == 1:
-            return xlen / 2
-        if elwidth == 2:
-            return xlen * 2
+        if elwidth == 0: return xlen
+        if elwidth == 1: return 8
+        if elwidth == 2: return 16
         // elwidth == 3:
-        return 8
+        return 32
 
     get_max_elwidth(rs1, rs2):
         return max(bw(int_csr[rs1].elwidth), # default (XLEN) if not set