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-rw-r--r--gcc/ChangeLog6
-rw-r--r--gcc/testsuite/ChangeLog5
-rw-r--r--gcc/testsuite/gcc.dg/torture/pr70310.c20
-rw-r--r--gcc/tree-vect-generic.c2
4 files changed, 32 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 02c2580..fc480c7 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2016-03-21 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/70310
+ * tree-vect-generic.c (expand_vector_condition): Fold the built
+ condition.
+
2016-03-21 Kirill Yukhin <kirill.yukhin@intel.com>
PR target/70293
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 9f4d811..7880292 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2016-03-21 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/70310
+ * gcc.dg/torture/pr70310.c: New testcase.
+
2016-03-21 Kirill Yukhin <kirill.yukhin@intel.com>
PR target/70293
diff --git a/gcc/testsuite/gcc.dg/torture/pr70310.c b/gcc/testsuite/gcc.dg/torture/pr70310.c
new file mode 100644
index 0000000..a962562
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/torture/pr70310.c
@@ -0,0 +1,20 @@
+/* { dg-do run } */
+
+typedef unsigned char v32u8 __attribute__ ((vector_size (32)));
+
+unsigned __attribute__((noinline, noclone))
+foo(unsigned u)
+{
+ v32u8 v32u8_0 = (v32u8){} > (v32u8){-u};
+ return v32u8_0[31] + v32u8_0[0];
+}
+
+int
+main ()
+{
+ unsigned x = foo(0);
+ __builtin_printf ("%08x\n",x);
+ if (x != 0)
+ __builtin_abort();
+ return 0;
+}
diff --git a/gcc/tree-vect-generic.c b/gcc/tree-vect-generic.c
index cb15a95..ce91270 100644
--- a/gcc/tree-vect-generic.c
+++ b/gcc/tree-vect-generic.c
@@ -897,7 +897,7 @@ expand_vector_condition (gimple_stmt_iterator *gsi)
{
tree aa1 = tree_vec_extract (gsi, comp_inner_type, a1, width, index);
tree aa2 = tree_vec_extract (gsi, comp_inner_type, a2, width, index);
- aa = build2 (TREE_CODE (a), cond_type, aa1, aa2);
+ aa = fold_build2 (TREE_CODE (a), cond_type, aa1, aa2);
}
else
aa = tree_vec_extract (gsi, cond_type, a, width, index);