re PR tree-optimization/70405 (-fcompare-debug failure with -mavx512f)

	PR tree-optimization/70405
	* ssa-iterators.h (num_imm_uses): Add missing braces.

	* gcc.dg/pr70405.c: New test.

From-SVN: r234529

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 8f40bcc01090048008bb73cf4c279b4742d4f50b..895587a597163e094026547ac74ee59c728fb863 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2016-03-29  Jakub Jelinek  <jakub@redhat.com>
+
+       PR tree-optimization/70405
+       * ssa-iterators.h (num_imm_uses): Add missing braces.
+
 2016-03-29  Vladimir Makarov  <vmakarov@redhat.com>
 
        PR rtl-optimization/68695

diff --git a/gcc/ssa-iterators.h b/gcc/ssa-iterators.h
index c58639ba22ed7befb83ffb4bbd6a0be95088034c..a7d75d6d47e682bf22ae7a5479e58ba997a7fa2b 100644 (file)
--- a/gcc/ssa-iterators.h
+++ b/gcc/ssa-iterators.h
@@ -448,9 +448,11 @@ num_imm_uses (const_tree var)
   unsigned int num = 0;
 
   if (!MAY_HAVE_DEBUG_STMTS)
-    for (ptr = start->next; ptr != start; ptr = ptr->next)
-      if (USE_STMT (ptr))
-       num++;
+    {
+      for (ptr = start->next; ptr != start; ptr = ptr->next)
+       if (USE_STMT (ptr))
+         num++;
+    }
   else
     for (ptr = start->next; ptr != start; ptr = ptr->next)
       if (USE_STMT (ptr) && !is_gimple_debug (USE_STMT (ptr)))

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index b7335a842d5cf688be8e0d2a1ac4f2e4569f9a54..912a830e75dd956c661e5b7e5de65cadf8429926 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2016-03-29  Jakub Jelinek  <jakub@redhat.com>
+
+       PR tree-optimization/70405
+       * gcc.dg/pr70405.c: New test.
+
 2016-03-29  Andre Vehreschild  <vehre@gcc.gnu.org>
 
        PR fortran/70397

diff --git a/gcc/testsuite/gcc.dg/pr70405.c b/gcc/testsuite/gcc.dg/pr70405.c
new file mode 100644 (file)
index 0000000..bff390f
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr70405.c
@@ -0,0 +1,15 @@
+/* PR tree-optimization/70405 */
+/* { dg-do compile } */
+/* { dg-options "-O2 -fcompare-debug" } */
+/* { dg-additional-options "-mavx512f" { target i?86-*-* x86_64-*-* } } */
+
+typedef short V __attribute__ ((vector_size (32)));
+
+int
+foo (V *p)
+{
+  V v = *p;
+  v >>= v;
+  v -= v[0];
+  return v[3];
+}