re PR middle-end/53992 (Combining -fopenmp and -fgnu-tm results in segfault or…

re PR middle-end/53992 (Combining -fopenmp and -fgnu-tm results in segfault or misbehaving binaries)

gcc/
2012-08-20  Patrick Marlier  <patrick.marlier@gmail.com>

	PR middle-end/53992
	* omp-low.c (lower_omp_1): Handle GIMPLE_TRANSACTION.

testsuite/
2012-08-20  Patrick Marlier  <patrick.marlier@gmail.com>

	PR middle-end/53992
	* gcc.dg/gomp/pr53992.c: New test.

From-SVN: r190536

gcc/ChangeLog

+2012-08-20  Patrick Marlier  <patrick.marlier@gmail.com>
+
+	PR middle-end/53992
+	* omp-low.c (lower_omp_1): Handle GIMPLE_TRANSACTION.
+
 2012-08-20  Richard Earnshaw  <rearnsha@arm.com>
 
 	PR tree-ssa/54295

gcc/omp-low.c

@@ -6827,6 +6827,9 @@ lower_omp_1 (gimple_stmt_iterator *gsi_p, omp_context *ctx)
       lower_omp (gimple_try_eval_ptr (stmt), ctx);
       lower_omp (gimple_try_cleanup_ptr (stmt), ctx);
       break;
+    case GIMPLE_TRANSACTION:
+      lower_omp (gimple_transaction_body_ptr (stmt), ctx);
+      break;
     case GIMPLE_BIND:
       lower_omp (gimple_bind_body_ptr (stmt), ctx);
       break;

gcc/testsuite/ChangeLog

+2012-08-20  Patrick Marlier  <patrick.marlier@gmail.com>
+
+	PR middle-end/53992
+	* gcc.dg/gomp/pr53992.c: New test.
+
 2012-08-20  Richard Earnshaw  <rearnsha@arm.com>
 
 	PR tree-ssa/54295

gcc/testsuite/gcc.dg/gomp/pr53992.c

+/* PR middle-end/53992 */
+/* { dg-do compile } */
+/* { dg-options "-fgnu-tm -fopenmp" } */
+/* { dg-require-effective-target fgnu_tm } */
+
+int main() {
+    long data[10000];
+    long i, min=10000;
+    for (i=0; i<10000; i++) data[i] = -i;
+            
+#pragma omp parallel for
+    for (i=0; i<10000; i++) {
+        __transaction_atomic
+        {
+            if (data[i] < min)
+                min = data[i];
+        }
+    }
+
+    return !(min == -9999);
+}