From: Dmitry Selyutin <ghostmansd@gmail.com>
Date: Sun, 20 Nov 2022 14:17:32 +0000 (+0300)
Subject: power_insn: support els specifier assembly
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=2ed0117c4ea359a1511de015c69f8f2bc5ba1b64;p=openpower-isa.git

power_insn: support els specifier assembly
---

diff --git a/src/openpower/decoder/power_insn.py b/src/openpower/decoder/power_insn.py
index a9ac1132..58190b46 100644
--- a/src/openpower/decoder/power_insn.py
+++ b/src/openpower/decoder/power_insn.py
@@ -2817,6 +2817,22 @@ class SpecifierDZ(SpecifierXZ):
             spec.validate(others=items)
 
 
+@_dataclasses.dataclass(eq=True, frozen=True)
+class SpecifierEls(Specifier):
+    @classmethod
+    def match(cls, desc, record):
+        if desc != "els":
+            return None
+
+        return cls(record=record)
+
+    def assemble(self, insn):
+        rm = insn.prefix.rm.select(record=self.record)
+        rm.els = 1
+        if self.record.svp64.mode is _SVMode.LDST_IDX:
+            rm.mode.sel = 1
+
+
 class Specifiers(tuple):
     SPECS = (
         SpecifierW,
@@ -2831,6 +2847,7 @@ class Specifiers(tuple):
         SpecifierZZ,
         SpecifierSZ,
         SpecifierDZ,
+        SpecifierEls,
     )
 
     def __new__(cls, items, record):