X-Git-Url: http://wien.tomnetworks.com/gitweb/?a=blobdiff_plain;f=mono%2Fmini%2Fdecompose.c;h=9546009e724697247abc5e7e3e11ff1f67c8e685;hb=3544fc56904e06123287d621fa4a091f27c4230d;hp=10c8c75e134d359dd829d023521131246a1f8f67;hpb=51c8a6e1a97aa8bab8f8f0e22518271da7fcfa01;p=mono.git

diff --git a/mono/mini/decompose.c b/mono/mini/decompose.c
index 10c8c75e134..9546009e724 100644
--- a/mono/mini/decompose.c
+++ b/mono/mini/decompose.c
@@ -6,6 +6,7 @@
  *
  * (C) 2002 Ximian, Inc.
  * Copyright 2011 Xamarin, Inc (http://www.xamarin.com)
+ * Licensed under the MIT license. See LICENSE file in the project root for full license information.
  */
 
 #include "mini.h"
@@ -932,6 +933,8 @@ mono_decompose_long_opts (MonoCompile *cfg)
 				MONO_EMIT_NEW_BIALU_IMM (cfg, OP_XOR_IMM, MONO_LVREG_LS (tree->dreg), MONO_LVREG_LS (tree->sreg1), tree->inst_ls_word);
 				MONO_EMIT_NEW_BIALU_IMM (cfg, OP_XOR_IMM, MONO_LVREG_MS (tree->dreg), MONO_LVREG_MS (tree->sreg1), tree->inst_ms_word);
 				break;
+#ifdef TARGET_POWERPC
+/* FIXME This is normally handled in cprop. Proper fix or remove if no longer needed. */
 			case OP_LSHR_UN_IMM:
 				if (tree->inst_c1 == 32) {
 
@@ -940,20 +943,12 @@ mono_decompose_long_opts (MonoCompile *cfg)
 					 * later apply the speedup to the left shift as well
 					 * See BUG# 57957.
 					 */
-					/* FIXME: Move this to the strength reduction pass */
 					/* just move the upper half to the lower and zero the high word */
 					MONO_EMIT_NEW_UNALU (cfg, OP_MOVE, MONO_LVREG_LS (tree->dreg), MONO_LVREG_MS (tree->sreg1));
 					MONO_EMIT_NEW_ICONST (cfg, MONO_LVREG_MS (tree->dreg), 0);
 				}
 				break;
-			case OP_LSHL_IMM:
-				if (tree->inst_c1 == 32) {
-					/* just move the lower half to the upper and zero the lower word */
-					MONO_EMIT_NEW_UNALU (cfg, OP_MOVE, MONO_LVREG_MS (tree->dreg), MONO_LVREG_LS (tree->sreg1));
-					MONO_EMIT_NEW_ICONST (cfg, MONO_LVREG_LS (tree->dreg), 0);
-				}
-				break;
-
+#endif
 			case OP_LCOMPARE: {
 				MonoInst *next = mono_inst_next (tree, FILTER_IL_SEQ_POINT);