From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Fri, 23 Jul 2021 13:19:12 +0000 (+0100)
Subject: add sv.fdmadds to SVP64Asm
X-Git-Tag: xlen-bcd~226
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=07451bbef1cb95c272e63c9b72dd050d3f6cf21f;p=openpower-isa.git

add sv.fdmadds to SVP64Asm
---

diff --git a/src/openpower/sv/trans/svp64.py b/src/openpower/sv/trans/svp64.py
index 769daa82..c4cbb143 100644
--- a/src/openpower/sv/trans/svp64.py
+++ b/src/openpower/sv/trans/svp64.py
@@ -855,7 +855,7 @@ class SVP64Asm:
         rc = '.' if rc_mode else ''
         yield ".long 0x%x" % svp64_prefix.insn.value
         log(v30b_newfields)
-        # argh, sv.fmaddso etc. need to be done manually
+        # argh, sv.fmadds etc. need to be done manually
         if v30b_op == 'ffmadds':
             opcode = 59 << (32-6)    # bits 0..6 (MSB0)
             opcode |= int(v30b_newfields[0]) << (32-11) # FRT
@@ -866,6 +866,17 @@ class SVP64Asm:
             if rc:
                 opcode |= 1  # Rc, bit 31.
             yield ".long 0x%x" % opcode
+        # argh, sv.fdmadds need to be done manually
+        elif v30b_op == 'fdmadds':
+            opcode = 59 << (32-6)    # bits 0..6 (MSB0)
+            opcode |= int(v30b_newfields[0]) << (32-11) # FRT
+            opcode |= int(v30b_newfields[1]) << (32-16) # FRA
+            opcode |= int(v30b_newfields[2]) << (32-21) # FRB
+            opcode |= int(v30b_newfields[3]) << (32-26) # FRC
+            opcode |= 0b01110 << (32-31)   # bits 26-30
+            if rc:
+                opcode |= 1  # Rc, bit 31.
+            yield ".long 0x%x" % opcode
         # argh, sv.ffadds etc. need to be done manually
         elif v30b_op == 'ffadds':
             opcode = 59 << (32-6)    # bits 0..6 (MSB0)