From: lkcl <lkcl@web>
Date: Mon, 30 May 2022 10:01:29 +0000 (+0100)
Subject: (no commit message)
X-Git-Tag: opf_rfc_ls005_v1~2031
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=a61cfce2007ab6fcf52e816dc8244e8e4d5572b1;p=libreriscv.git

---

diff --git a/openpower/sv/bitmanip.mdwn b/openpower/sv/bitmanip.mdwn
index 9a28dd090..32c3015bb 100644
--- a/openpower/sv/bitmanip.mdwn
+++ b/openpower/sv/bitmanip.mdwn
@@ -693,8 +693,8 @@ uint64_t bmatflip(uint64_t RA)
     x = shfl64(x, 31);
     return x;
 }
-uint64_t bmatxor(uint64_t RA, uint64_t RB)
-{
+
+uint64_t bmatxori(uint64_t RA, uint64_t RB, uint8_t imm) {
     // transpose of RB
     uint64_t RBt = bmatflip(RB);
     uint8_t u[8]; // rows of RA
@@ -705,13 +705,18 @@ uint64_t bmatxor(uint64_t RA, uint64_t RB)
     }
     uint64_t x = 0;
     for (int i = 0; i < 64; i++) {
+        uint64_t bit = (imm >> (i%8)) & 1;
         if (pcnt(u[i / 8] & v[i % 8]) & 1)
-            x |= 1LL << i;
+            x |= bit << i;
     }
     return x;
 }
-uint64_t bmator(uint64_t RA, uint64_t RB)
-{
+
+uint64_t bmatxor(uint64_t RA, uint64_t RB) {
+    return bmatxori(RA, RB, 0xff)
+}
+
+uint64_t bmator(uint64_t RA, uint64_t RB) {
     // transpose of RB
     uint64_t RBt = bmatflip(RB);
     uint8_t u[8]; // rows of RA
@@ -727,8 +732,8 @@ uint64_t bmator(uint64_t RA, uint64_t RB)
     }
     return x;
 }
-uint64_t bmatand(uint64_t RA, uint64_t RB)
-{
+
+uint64_t bmatand(uint64_t RA, uint64_t RB) {
     // transpose of RB
     uint64_t RBt = bmatflip(RB);
     uint8_t u[8]; // rows of RA