From fd85a418a8f42e0ca7f93743f89b2c8b9dade089 Mon Sep 17 00:00:00 2001
From: CRACKbomber <1568512+CRACKbomber@users.noreply.github.com>
Date: Fri, 23 May 2025 14:48:30 -0400
Subject: [PATCH] Implement subfme

---
 XenonRecomp/recompiler.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/XenonRecomp/recompiler.cpp b/XenonRecomp/recompiler.cpp
index 04f0bb6..f93bf0e 100644
--- a/XenonRecomp/recompiler.cpp
+++ b/XenonRecomp/recompiler.cpp
@@ -1744,6 +1744,16 @@ bool Recompiler::Recompile(
         println("\t{}.s64 = {} - {}.s64;", r(insn.operands[0]), int32_t(insn.operands[2]), r(insn.operands[1]));
         break;
 
+    case PPC_INST_SUBFME:
+        println("\t{}.u64 = ~{}.u64 + {}.ca - 1;", temp(), r(insn.operands[1]), xer());
+        println("\t{}.ca = ({}.u64 < ~{}.u64) || ({}.u64 == ~{}.u64 && {}.ca);", xer(), 
+            temp(), r(insn.operands[1]), temp(), r(insn.operands[1]), xer());
+        println("\t{}.u64 = {}.u64;", r(insn.operands[0]), temp());
+        if (strchr(insn.opcode->name, '.'))
+            println("\t{}.compare<int32_t>({}.s32, 0, {});", 
+                cr(0), r(insn.operands[0]), xer());
+        break;
+
     case PPC_INST_SYNC:
         // no op
         break;