From 20d600fa6cb95756dfe035760b9ec36d8d243221 Mon Sep 17 00:00:00 2001
From: Dmitry Selyutin <ghostmansd@gmail.com>
Date: Sun, 11 Sep 2022 23:40:40 +0300
Subject: [PATCH] power_insn: introduce pseudo cr_in2

---
 src/openpower/decoder/power_enums.py |  1 +
 src/openpower/decoder/power_insn.py  | 26 +++++++++++++++++++++++---
 src/openpower/sv/sv_binutils.py      |  1 +
 3 files changed, 25 insertions(+), 3 deletions(-)

diff --git a/src/openpower/decoder/power_enums.py b/src/openpower/decoder/power_enums.py
index c4756806..a22a4991 100644
--- a/src/openpower/decoder/power_enums.py
+++ b/src/openpower/decoder/power_enums.py
@@ -722,6 +722,7 @@ class CRInSel(Enum):
     CR1 = 7
     BA = 8
 
+
 @unique
 class CRIn2Sel(Enum):
     NONE = 0
diff --git a/src/openpower/decoder/power_insn.py b/src/openpower/decoder/power_insn.py
index 1e7ff681..f76e7715 100644
--- a/src/openpower/decoder/power_insn.py
+++ b/src/openpower/decoder/power_insn.py
@@ -22,6 +22,7 @@ from openpower.decoder.power_enums import (
     In3Sel as _In3Sel,
     OutSel as _OutSel,
     CRInSel as _CRInSel,
+    CRIn2Sel as _CRIn2Sel,
     CROutSel as _CROutSel,
     LDSTLen as _LDSTLen,
     LDSTMode as _LDSTMode,
@@ -212,6 +213,7 @@ class PPCRecord:
     in3: _In3Sel = _In3Sel.NONE
     out: _OutSel = _OutSel.NONE
     cr_in: _CRInSel = _CRInSel.NONE
+    cr_in2: _CRIn2Sel = _CRIn2Sel.NONE
     cr_out: _CROutSel = _CROutSel.NONE
     cry_in: _CryIn = _CryIn.ZERO
     ldst_len: _LDSTLen = _LDSTLen.NONE
@@ -237,6 +239,11 @@ class PPCRecord:
         typemap = {field.name:field.type for field in _dataclasses.fields(cls)}
         typemap["opcode"] = opcode_cls
 
+        if record["CR in"] == "BA_BB":
+            record["cr_in"] = "BA"
+            record["cr_in2"] = "BB"
+            del record["CR in"]
+
         flags = set()
         for flag in frozenset(PPCRecord.Flags):
             if bool(record.pop(flag, "")):
@@ -307,6 +314,7 @@ class SVP64Record:
     out: _OutSel = _OutSel.NONE
     out2: _OutSel = _OutSel.NONE
     cr_in: _CRInSel = _CRInSel.NONE
+    cr_in2: _CRIn2Sel = _CRIn2Sel.NONE
     cr_out: _CROutSel = _CROutSel.NONE
     extra: ExtraMap = ExtraMap()
     conditions: str = ""
@@ -323,11 +331,19 @@ class SVP64Record:
 
     @classmethod
     def CSV(cls, record):
-        for key in ("in1", "in2", "in3", "out", "out2", "CR in", "CR out"):
+        for key in frozenset({
+                    "in1", "in2", "in3", "CR in",
+                    "out", "out2", "CR out",
+                }):
             value = record[key]
             if value == "0":
                 record[key] = "NONE"
 
+        if record["CR in"] == "BA_BB":
+            record["cr_in"] = "BA"
+            record["cr_in2"] = "BB"
+            del record["CR in"]
+
         extra = []
         for idx in range(0, 4):
             extra.append(record.pop(f"{idx}"))
@@ -346,7 +362,7 @@ class SVP64Record:
         )
 
         if key not in frozenset({
-                    "in1", "in2", "in3", "cr_in",
+                    "in1", "in2", "in3", "cr_in", "cr_in2",
                     "out", "out2", "cr_out",
                 }):
             raise KeyError(key)
@@ -639,7 +655,7 @@ class RegisterOperand(DynamicOperand):
 
     def extra_idx(self, record):
         for key in frozenset({
-                    "in1", "in2", "in3", "cr_in",
+                    "in1", "in2", "in3", "cr_in", "cr_in2",
                     "out", "out2", "cr_out",
                 }):
             extra_reg = record.svp64.extra_reg(key=key)
@@ -962,6 +978,10 @@ class Record:
     def cr_in(self):
         return self.ppc.cr_in
 
+    @property
+    def cr_in2(self):
+        return self.ppc.cr_in2
+
     @property
     def cr_out(self):
         return self.ppc.cr_out
diff --git a/src/openpower/sv/sv_binutils.py b/src/openpower/sv/sv_binutils.py
index 62d1a932..c026acfb 100644
--- a/src/openpower/sv/sv_binutils.py
+++ b/src/openpower/sv/sv_binutils.py
@@ -363,6 +363,7 @@ class Desc(Struct):
     out: OutSel
     out2: OutSel
     cr_in: CRInSel
+    cr_in2: CRInSel
     cr_out: CROutSel
     ptype: PType
     etype: EType
-- 
2.30.2