re PR target/65171 (r214254 causes thousands of std::length_errors running boost…

re PR target/65171 (r214254 causes thousands of std::length_errors running boost testsuite on ppc64le)

2015-02-26  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR target/65171
	* config/rs6000/rs6000.c (rs6000_analyze_swaps): Ensure
	instructions with TImode operands are included in the analysis.

From-SVN: r221022

gcc/ChangeLog

+2015-02-26  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
+
+	PR target/65171
+	* config/rs6000/rs6000.c (rs6000_analyze_swaps): Ensure
+	instructions with TImode operands are included in the analysis.
+
 2015-02-26  Sebastian Pop  <s.pop@samsung.com>
 
 	* tree-ssa-threadupdate.c (dump_jump_thread_path): Print all edges

gcc/config/rs6000/rs6000.c

@@ -34781,7 +34781,7 @@ rs6000_analyze_swaps (function *fun)
 		    mode = V4SImode;
 		}
 
-	      if (VECTOR_MODE_P (mode))
+	      if (VECTOR_MODE_P (mode) || mode == TImode)
 		{
 		  insn_entry[uid].is_relevant = 1;
 		  if (mode == TImode || mode == V1TImode)
@@ -34808,7 +34808,7 @@ rs6000_analyze_swaps (function *fun)
 		  && VECTOR_MODE_P (GET_MODE (SET_DEST (insn))))
 		mode = GET_MODE (SET_DEST (insn));
 
-	      if (VECTOR_MODE_P (mode))
+	      if (VECTOR_MODE_P (mode) || mode == TImode)
 		{
 		  insn_entry[uid].is_relevant = 1;
 		  if (mode == TImode || mode == V1TImode)