From: Jacob Lifshay <programmerjake@gmail.com>
Date: Thu, 22 Sep 2022 23:11:51 +0000 (-0700)
Subject: apply pseudo-code corrections
X-Git-Tag: opf_rfc_ls005_v1~324
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=3a7a1e54d36ad41adb07588af836ae8bf32af1bd;p=libreriscv.git

apply pseudo-code corrections
---

diff --git a/openpower/prefix_codes.mdwn b/openpower/prefix_codes.mdwn
index 51575195b..f09760179 100644
--- a/openpower/prefix_codes.mdwn
+++ b/openpower/prefix_codes.mdwn
@@ -68,8 +68,7 @@ Pseudo-code:
     overflow <- 0
     do while in_pos <u 64
         # walk the binary tree in `tree` from parent to the selected child
-        # XXX should this be "in-_bits" not "bitstream"?
-        decoded <- decoded * 2 + bitstream[63 - in_pos]
+        decoded <- decoded * 2 + in_bits[63 - in_pos]
         in_pos <- in_pos + 1
         if decoded >=u 64 then
             overflow <- 1
@@ -79,8 +78,7 @@ Pseudo-code:
             output[56 - 8 * out_byte:63 - 8 * out_byte] <- decoded
             decoded <- 1
             out_byte <- out_byte + 1
-            # XXX if one? if "imm"?
-            if one | (out_byte >=u 8) then
+            if imm | (out_byte >=u 8) then
                 break
     RT <- output
     RS <- decoded_in_pos