From 89b96876282a2216a4be21c47e9f08173287c195 Mon Sep 17 00:00:00 2001
From: Stefanos Kornilios Mitsis Poiitidis <skmp@nillware.com>
Date: Mon, 10 Aug 2015 04:57:00 +0200
Subject: [PATCH] shrec/x86: SIMPLELINK implementation for cross checking

---
 core/rec-x86/rec_x86_driver.cpp | 66 ++++++++++++++++++++++++++++++++-
 1 file changed, 65 insertions(+), 1 deletion(-)

diff --git a/core/rec-x86/rec_x86_driver.cpp b/core/rec-x86/rec_x86_driver.cpp
index 06e799bae..4d9f6d61b 100644
--- a/core/rec-x86/rec_x86_driver.cpp
+++ b/core/rec-x86/rec_x86_driver.cpp
@@ -438,7 +438,70 @@ u32 DynaRBI::Relink()
 	x86e->x86_size=512;
 	x86e->do_realloc=false;
 
-	if (BlockType==BET_StaticCall || BlockType==BET_DynamicCall)
+//#define SIMPLELINK
+#ifdef SIMPLELINK
+	switch (BlockType) {
+
+	case BET_StaticJump:
+	case BET_StaticCall:
+		//next_pc = block->BranchBlock;
+		x86e->Emit(op_mov32, ECX, BranchBlock);
+		break;
+
+	case BET_Cond_0:
+	case BET_Cond_1:
+	{
+		//next_pc = next_pc_value;
+		//if (*jdyn == 0)
+		//next_pc = branch_pc_value;
+
+		x86e->Emit(op_mov32, ECX, NextBlock);
+
+		u32* ptr = &sr.T;
+		if (has_jcond)
+			ptr = &Sh4cntx.jdyn;
+
+		x86e->Emit(op_cmp32, ptr, BlockType & 1);
+
+		x86_Label* lbl = x86e->CreateLabel(false, 8);
+		x86e->Emit(op_jne, lbl);
+		x86e->Emit(op_mov32, ECX, BranchBlock);
+		x86e->MarkLabel(lbl);
+	}
+	break;
+
+	case BET_DynamicJump:
+	case BET_DynamicCall:
+	case BET_DynamicRet:
+		//next_pc = *jdyn;
+		x86e->Emit(op_mov32, ECX, &Sh4cntx.jdyn);
+		break;
+
+	case BET_DynamicIntr:
+	case BET_StaticIntr:
+		if (BlockType == BET_StaticIntr)
+		{
+			x86e->Emit(op_mov32, &next_pc, NextBlock);
+		}
+		else
+		{
+			x86e->Emit(op_mov32, EAX, GetRegPtr(reg_pc_dyn));
+			x86e->Emit(op_mov32, &next_pc, EAX);
+		}
+		x86e->Emit(op_call, x86_ptr_imm(UpdateINTC));
+
+		x86e->Emit(op_mov32, ECX, &next_pc);
+
+		break;
+
+	default:
+		die("Invalid block end type");
+	}
+
+	x86e->Emit(op_jmp, x86_ptr_imm(loop_no_update));
+
+#else
+	if (BlockType == BET_StaticCall || BlockType == BET_DynamicCall)
 	{
 		//csc_push(this);
 	}
@@ -532,6 +595,7 @@ u32 DynaRBI::Relink()
 
 		break;
 	}
+#endif