From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Sun, 14 May 2023 15:44:24 +0000 (+0100)
Subject: classify LD/ST-Immediate-Update as EXTRA3.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=419337cfe140a69d947270d7f4fff9e8a1a7ea61;p=openpower-isa.git

classify LD/ST-Immediate-Update as EXTRA3.
this allows continuous range on registers up to 128
---

diff --git a/openpower/isatables/LDSTRM-2P-1S2D.csv b/openpower/isatables/LDSTRM-2P-1S2D.csv
index a4dd92eb..ef9989af 100644
--- a/openpower/isatables/LDSTRM-2P-1S2D.csv
+++ b/openpower/isatables/LDSTRM-2P-1S2D.csv
@@ -1,8 +1,8 @@
 insn,mode,CONDITIONS,Ptype,Etype,SM,0,1,2,3,in1,in2,in3,out,CR in,CR out,out2
-lwzu,LDST_IMM,,2P,EXTRA2,EN,d:RT,d:RA,s:RA,0,RA_OR_ZERO,0,0,RT,0,0,RA
-lbzu,LDST_IMM,,2P,EXTRA2,EN,d:RT,d:RA,s:RA,0,RA_OR_ZERO,0,0,RT,0,0,RA
-lhzu,LDST_IMM,,2P,EXTRA2,EN,d:RT,d:RA,s:RA,0,RA_OR_ZERO,0,0,RT,0,0,RA
-lhau,LDST_IMM,,2P,EXTRA2,EN,d:RT,d:RA,s:RA,0,RA_OR_ZERO,0,0,RT,0,0,RA
-lfsu,LDST_IMM,,2P,EXTRA2,EN,d:FRT,d:RA,s:RA,0,RA,0,0,FRT,0,0,RA
-lfdu,LDST_IMM,,2P,EXTRA2,EN,d:FRT,d:RA,s:RA,0,RA,0,0,FRT,0,0,RA
-ldu,LDST_IMM,,2P,EXTRA2,EN,d:RT,d:RA,s:RA,0,RA_OR_ZERO,0,0,RT,0,0,RA
+lwzu,LDST_IMM,,2P,EXTRA3,EN,d:RT,d:RA;s:RA,0,0,RA_OR_ZERO,0,0,RT,0,0,RA
+lbzu,LDST_IMM,,2P,EXTRA3,EN,d:RT,d:RA;s:RA,0,0,RA_OR_ZERO,0,0,RT,0,0,RA
+lhzu,LDST_IMM,,2P,EXTRA3,EN,d:RT,d:RA;s:RA,0,0,RA_OR_ZERO,0,0,RT,0,0,RA
+lhau,LDST_IMM,,2P,EXTRA3,EN,d:RT,d:RA;s:RA,0,0,RA_OR_ZERO,0,0,RT,0,0,RA
+lfsu,LDST_IMM,,2P,EXTRA3,EN,d:FRT,d:RA;s:RA,0,0,RA,0,0,FRT,0,0,RA
+lfdu,LDST_IMM,,2P,EXTRA3,EN,d:FRT,d:RA;s:RA,0,0,RA,0,0,FRT,0,0,RA
+ldu,LDST_IMM,,2P,EXTRA3,EN,d:RT,d:RA;s:RA,0,0,RA_OR_ZERO,0,0,RT,0,0,RA
diff --git a/openpower/isatables/LDSTRM-2P-2S1D.csv b/openpower/isatables/LDSTRM-2P-2S1D.csv
index 784bba67..d850f492 100644
--- a/openpower/isatables/LDSTRM-2P-2S1D.csv
+++ b/openpower/isatables/LDSTRM-2P-2S1D.csv
@@ -20,12 +20,12 @@ lbzcix,LDST_IDX,,2P,EXTRA2,EN,d:RT,s:RA,s:RB,0,RA_OR_ZERO,RB,0,RT,0,0,0
 lfiwax,LDST_IDX,,2P,EXTRA2,EN,d:FRT,s:RA,s:RB,0,RA_OR_ZERO,RB,0,FRT,0,0,0
 ldcix,LDST_IDX,,2P,EXTRA2,EN,d:RT,s:RA,s:RB,0,RA_OR_ZERO,RB,0,RT,0,0,0
 lfiwzx,LDST_IDX,,2P,EXTRA2,EN,d:FRT,s:RA,s:RB,0,RA_OR_ZERO,RB,0,FRT,0,0,0
-stwu,LDST_IMM,,2P,EXTRA2,EN,d:RA,s:RS,s:RA,0,RA_OR_ZERO,0,RS,0,0,0,RA
-stbu,LDST_IMM,,2P,EXTRA2,EN,d:RA,s:RS,s:RA,0,RA_OR_ZERO,0,RS,0,0,0,RA
-sthu,LDST_IMM,,2P,EXTRA2,EN,d:RA,s:RS,s:RA,0,RA_OR_ZERO,0,RS,0,0,0,RA
-stfsu,LDST_IMM,,2P,EXTRA2,EN,d:RA,s:FRS,s:RA,0,RA,0,FRS,0,0,0,RA
-stfdu,LDST_IMM,,2P,EXTRA2,EN,d:RA,s:FRS,s:RA,0,RA,0,FRS,0,0,0,RA
-stdu,LDST_IMM,,2P,EXTRA2,EN,d:RA,s:RS,s:RA,0,RA_OR_ZERO,0,RS,0,0,0,RA
+stwu,LDST_IMM,,2P,EXTRA3,EN,d:RA;s:RA,s:RS,0,0,RA_OR_ZERO,0,RS,0,0,0,RA
+stbu,LDST_IMM,,2P,EXTRA3,EN,d:RA;s:RA,s:RS,0,0,RA_OR_ZERO,0,RS,0,0,0,RA
+sthu,LDST_IMM,,2P,EXTRA3,EN,d:RA;s:RA,s:RS,0,0,RA_OR_ZERO,0,RS,0,0,0,RA
+stfsu,LDST_IMM,,2P,EXTRA3,EN,d:RA;s:RA,s:FRS,0,0,RA,0,FRS,0,0,0,RA
+stfdu,LDST_IMM,,2P,EXTRA3,EN,d:RA;s:RA,s:FRS,0,0,RA,0,FRS,0,0,0,RA
+stdu,LDST_IMM,,2P,EXTRA3,EN,d:RA;s:RA,s:RS,0,0,RA_OR_ZERO,0,RS,0,0,0,RA
 ldux,LDST_IDX,,2P,EXTRA2,EN,d:RT,d:RA,s:RB,0,RA_OR_ZERO,RB,0,RT,0,0,RA
 lwzux,LDST_IDX,,2P,EXTRA2,EN,d:RT,d:RA,s:RB,0,RA_OR_ZERO,RB,0,RT,0,0,RA
 lbzux,LDST_IDX,,2P,EXTRA2,EN,d:RT,d:RA,s:RB,0,RA_OR_ZERO,RB,0,RT,0,0,RA
diff --git a/src/openpower/sv/sv_analysis.py b/src/openpower/sv/sv_analysis.py
index 5b39295e..072742c6 100644
--- a/src/openpower/sv/sv_analysis.py
+++ b/src/openpower/sv/sv_analysis.py
@@ -430,10 +430,9 @@ def extra_classifier(insn_name, value, name, res, regs):
         res['1'] = 's:RA'  # RA: Rsrc1_EXTRA3
 
     elif value == 'LDSTRM-2P-1S2D':
-        res['Etype'] = 'EXTRA2'  # RM EXTRA2 type
-        res['0'] = dRT    # RT: Rdest_EXTRA3
-        res['1'] = 'd:RA'  # RA: Rdest2_EXTRA2
-        res['2'] = 's:RA'  # RA: Rsrc1_EXTRA2
+        res['Etype'] = 'EXTRA3'  # RM EXTRA2 type
+        res['0'] = dRT          # RT: Rdest_EXTRA3
+        res['1'] = 'd:RA;s:RA'  # RA: Rdest2_EXTRA3
 
     elif value == 'LDSTRM-2P-2S':
         # stw, std, sth, stb
@@ -443,10 +442,9 @@ def extra_classifier(insn_name, value, name, res, regs):
 
     elif value == 'LDSTRM-2P-2S1D':
         if 'st' in insn_name and 'x' not in insn_name:  # stwu/stbu etc
-            res['Etype'] = 'EXTRA2'  # RM EXTRA2 type
-            res['0'] = 'd:RA'  # RA: Rdest1_EXTRA2
-            res['1'] = sRS    # RS: Rdsrc1_EXTRA2
-            res['2'] = 's:RA'  # RA: Rsrc2_EXTRA2
+            res['Etype'] = 'EXTRA3'  # RM EXTRA2 type
+            res['0'] = 'd:RA;s:RA'  # RA: Rdest_EXTRA3 /  Rsrc_EXTRA3
+            res['1'] = sRS    # RS: Rdsrc1_EXTRA3
         elif 'st' in insn_name and 'x' in insn_name:  # stwux
             res['Etype'] = 'EXTRA2'  # RM EXTRA2 type
             res['0'] = 'd:RA'  # RA: Rdest1_EXTRA2