From: Jacob Lifshay <programmerjake@gmail.com>
Date: Tue, 15 Mar 2022 05:19:05 +0000 (-0700)
Subject: change cldiv/clrem to use cldivrem function
X-Git-Tag: opf_rfc_ls005_v1~3057
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=1400c737d3a40df600774d6fa937ee53d1383721;p=libreriscv.git

change cldiv/clrem to use cldivrem function
---

diff --git a/openpower/sv/bitmanip.mdwn b/openpower/sv/bitmanip.mdwn
index 1f8a21b6c..75703e79e 100644
--- a/openpower/sv/bitmanip.mdwn
+++ b/openpower/sv/bitmanip.mdwn
@@ -640,10 +640,11 @@ for other instructions.
 cldiv RT, RA, RB
 ```
 
-TODO: decide what happens on division by zero
-
 ```
-(RT) = cldiv((RA), (RB))
+n = (RA)
+d = (RB)
+q, r = cldivrem(n, d, width=XLEN)
+(RT) = q
 ```
 
 ## `clrem` Carry-less Remainder
@@ -652,10 +653,11 @@ TODO: decide what happens on division by zero
 clrem RT, RA, RB
 ```
 
-TODO: decide what happens on division by zero
-
 ```
-(RT) = clrem((RA), (RB))
+n = (RA)
+d = (RB)
+q, r = cldivrem(n, d, width=XLEN)
+(RT) = r
 ```
 
 # Instructions for Binary Galois Fields `GF(2^m)`