re PR target/56809 (Revision 197266 causes trunk ICE for arm-none-eabi targets)

gcc/
2013-04-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	PR target/56809
	* config/arm/arm.c (is_jump_table): Use next_active_insn instead of
	next_real_insn.
	(thumb1_output_casesi): Likewise.
	(thumb2_output_casesi): Likewise.

gcc/testsuite
2013-04-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

	PR target/56809
	* gcc.dg/pr56809.c: New testcase.

From-SVN: r197425

gcc/ChangeLog

+2013-04-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
+
+	PR target/56809
+	* config/arm/arm.c (is_jump_table): Use next_active_insn instead of
+	next_real_insn.
+	(thumb1_output_casesi): Likewise.
+	(thumb2_output_casesi): Likewise.
+
 2013-04-03  Richard Biener  <rguenther@suse.de>
 
 	PR tree-optimization/56817

gcc/config/arm/arm.c

@@ -12821,8 +12821,8 @@ is_jump_table (rtx insn)
   rtx table;
 
   if (jump_to_label_p (insn)
-      && ((table = next_real_insn (JUMP_LABEL (insn)))
-	  == next_real_insn (insn))
+      && ((table = next_active_insn (JUMP_LABEL (insn)))
+	  == next_active_insn (insn))
       && table != NULL
       && JUMP_TABLE_DATA_P (table))
     return table;
@@ -25802,7 +25802,7 @@ arm_output_iwmmxt_tinsr (rtx *operands)
 const char *
 thumb1_output_casesi (rtx *operands)
 {
-  rtx diff_vec = PATTERN (next_real_insn (operands[0]));
+  rtx diff_vec = PATTERN (next_active_insn (operands[0]));
 
   gcc_assert (GET_CODE (diff_vec) == ADDR_DIFF_VEC);
 
@@ -25825,7 +25825,7 @@ thumb1_output_casesi (rtx *operands)
 const char *
 thumb2_output_casesi (rtx *operands)
 {
-  rtx diff_vec = PATTERN (next_real_insn (operands[2]));
+  rtx diff_vec = PATTERN (next_active_insn (operands[2]));
 
   gcc_assert (GET_CODE (diff_vec) == ADDR_DIFF_VEC);
 

gcc/testsuite/ChangeLog

+2013-04-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
+
+	PR target/56809
+	* gcc.dg/pr56809.c: New testcase.
+
 2013-04-03  Jakub Jelinek  <jakub@redhat.com>
 
 	PR debug/56819

gcc/testsuite/gcc.dg/pr56809.c

+/* PR target/56809 */
+/* { dg-do compile } */
+/* { dg-options "-Os" }  */
+
+int
+foo (int mode, int i)
+{
+  int x;
+
+  switch (mode)
+    {
+    case 0:
+      x = i + 1;
+      break;
+    case 1:
+      x = i / 2;
+      break;
+    case 2:
+      x = i * 3;
+      break;
+    case 3:
+      x = i + 3;
+      break;
+    case 4:
+      x = i + 5;
+      break;
+    default:
+      x = i - 1;
+    }
+
+  return x;
+}