From 432dcbb2535477893c9ff948291aa561b261bc33 Mon Sep 17 00:00:00 2001
From: DHrpcs3 <dh.rpcs3@gmail.com>
Date: Sun, 13 Dec 2015 19:48:13 +0200
Subject: [PATCH] Fragment program decompiler: implemented LOOP instruction

---
 .gitignore                        |  9 +++++++++
 rsx_decompiler/rsx_decompiler.cpp | 18 ++++++++++++++++--
 2 files changed, 25 insertions(+), 2 deletions(-)

diff --git a/.gitignore b/.gitignore
index b8bd026..c497898 100644
--- a/.gitignore
+++ b/.gitignore
@@ -26,3 +26,12 @@
 *.exe
 *.out
 *.app
+
+
+*.suo
+*.ipch
+*.VC.db
+*.VC.opendb
+bin/*
+lib/*
+tmp/*
diff --git a/rsx_decompiler/rsx_decompiler.cpp b/rsx_decompiler/rsx_decompiler.cpp
index c37a7c2..099c014 100644
--- a/rsx_decompiler/rsx_decompiler.cpp
+++ b/rsx_decompiler/rsx_decompiler.cpp
@@ -636,13 +636,27 @@ namespace rsx
 				case opcode::BRK: return conditional(expression_from<void_t>("break"));
 				case opcode::CAL: return unimplemented("CAL");
 				case opcode::IFE:
+					writer += writer_t{ "if (" + all(execution_condition()).to_string() + ")\n{\n" };
+
 					if (instruction.data.src2.end_offset != instruction.data.src1.else_offset)
 						writer.before(instruction.data.src1.else_offset >> 2, "}\nelse\n{\n");
+
 					writer.after(instruction.data.src2.end_offset >> 2, "}\n");
 
-					return writer_t{ "if (" + all(execution_condition()).to_string() + ")\n{\n" };
+					return "";
 
-				case opcode::LOOP: return unimplemented("LOOP");
+				case opcode::LOOP:
+					writer += writer_t
+					{
+						"for ("
+						"int i = " + std::to_string(instruction.data.src1.init_counter) + "; " +
+						"i < " + std::to_string(instruction.data.src1.end_counter) + "; " +
+						(instruction.data.src1.increment == 1 ? "i++" : "i += " + std::to_string(instruction.data.src1.increment)) +
+						")\n{\n"
+					};
+
+					writer.after(instruction.data.src2.end_offset >> 2, "}\n");
+					return "";
 				case opcode::REP: return unimplemented("REP");
 				case opcode::RET: return conditional(expression_from<void_t>("return"));
 				}