gistfile1.txt

diff -urNad mono/mini.orig/cpu-ppc.md mono/mini/cpu-ppc.md
--- mono/mini.orig/cpu-ppc.md	2015-08-03 13:30:23.569589093 +0000
+++ mono/mini/cpu-ppc.md	2015-08-03 12:56:43.530622697 +0000
@@ -314,5 +314,5 @@
 
 jump_table: dest:i len:8
 
-atomic_add_i4: src1:b src2:i dest:i len:20
+atomic_add_i4: src1:b src2:i dest:i len:28
 atomic_cas_i4: src1:b src2:i src3:i dest:i len:38
diff -urNad mono/mini.orig/mini-ppc.c mono/mini/mini-ppc.c
--- mono/mini.orig/mini-ppc.c	2015-08-03 12:55:02.262472750 +0000
+++ mono/mini/mini-ppc.c	2015-08-03 12:55:31.622517064 +0000
@@ -4339,6 +4339,39 @@
 #endif
 			break;
 		}
+		case OP_ATOMIC_ADD_I4:
+		CASE_PPC64 (OP_ATOMIC_ADD_I8) {
+			int location = ins->inst_basereg;
+			int addend = ins->sreg2;
+			guint8 *loop, *branch;
+			g_assert (ins->inst_offset == 0);
+
+			loop = code;
+			ppc_sync (code);
+			if (ins->opcode == OP_ATOMIC_ADD_I4)
+				ppc_lwarx (code, ppc_r0, 0, location);
+#ifdef __mono_ppc64__
+			else
+				ppc_ldarx (code, ppc_r0, 0, location);
+#endif
+
+			ppc_add (code, ppc_r0, ppc_r0, addend);
+
+			if (ins->opcode == OP_ATOMIC_ADD_I4)
+				ppc_stwcxd (code, ppc_r0, 0, location);
+#ifdef __mono_ppc64__
+			else
+				ppc_stdcxd (code, ppc_r0, 0, location);
+#endif
+
+			branch = code;
+			ppc_bc (code, PPC_BR_FALSE, PPC_BR_EQ, 0);
+			ppc_patch (branch, loop);
+
+			ppc_sync (code);
+			ppc_mr (code, ins->dreg, ppc_r0);
+			break;
+		}
 
 #ifdef __mono_ppc64__
 		case OP_ICONV_TO_I4:
@@ -4427,39 +4460,6 @@
 			else
 				ppc_mr (code, ins->dreg, ins->sreg1);
 			break;
-		case OP_ATOMIC_ADD_I4:
-		CASE_PPC64 (OP_ATOMIC_ADD_I8) {
-			int location = ins->inst_basereg;
-			int addend = ins->sreg2;
-			guint8 *loop, *branch;
-			g_assert (ins->inst_offset == 0);
-
-			loop = code;
-			ppc_sync (code);
-			if (ins->opcode == OP_ATOMIC_ADD_I4)
-				ppc_lwarx (code, ppc_r0, 0, location);
-#ifdef __mono_ppc64__
-			else
-				ppc_ldarx (code, ppc_r0, 0, location);
-#endif
-
-			ppc_add (code, ppc_r0, ppc_r0, addend);
-
-			if (ins->opcode == OP_ATOMIC_ADD_I4)
-				ppc_stwcxd (code, ppc_r0, 0, location);
-#ifdef __mono_ppc64__
-			else
-				ppc_stdcxd (code, ppc_r0, 0, location);
-#endif
-
-			branch = code;
-			ppc_bc (code, PPC_BR_FALSE, PPC_BR_EQ, 0);
-			ppc_patch (branch, loop);
-
-			ppc_sync (code);
-			ppc_mr (code, ins->dreg, ppc_r0);
-			break;
-		}
 #else
 		case OP_ICONV_TO_R4:
 		case OP_ICONV_TO_R8: {