From: lkcl <lkcl@web>
Date: Sun, 17 Apr 2022 10:23:00 +0000 (+0100)
Subject: (no commit message)
X-Git-Tag: opf_rfc_ls005_v1~2765
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=bd5542006ec71d6728dfa04c2872100a5dd34a63;p=libreriscv.git

---

diff --git a/openpower/isa/svfixedarith.mdwn b/openpower/isa/svfixedarith.mdwn
new file mode 100644
index 000000000..6588d8c8e
--- /dev/null
+++ b/openpower/isa/svfixedarith.mdwn
@@ -0,0 +1,14 @@
+# Multiply Twin Doubleword
+
+XO-Form
+
+* mulxd RT,RA,RB
+
+Pseudo-code:
+
+    prod[0:(XLEN*2)-1] <- MULS((RA), (RB))
+    RT <- prod[XLEN:(XLEN*2)-1]
+
+Special Registers Altered:
+
+    None