diff gcc/testsuite/gcc.dg/pr44214-1.c @ 111:04ced10e8804

gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.dg/pr44214-1.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,17 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -freciprocal-math -fdump-tree-ccp1" } */
+
+typedef double v2df __attribute__ ((vector_size (2 * sizeof (double))));
+
+void do_div (v2df *a, v2df *b)
+{
+  *a = *b / (v2df) { 2.0, 3.0 };
+}
+
+/* Constant folding should multiply *b by the reciprocals of the
+   vector elements.  The fold does not take place for generic
+   vectors until the first CCP pass.  The string " * " occurs 3
+   times:  one multiply and two indirect parameters.  */
+
+/* { dg-final { scan-tree-dump-times " \\\* " 3 "ccp1" } } */
+/* { dg-final { scan-tree-dump-times " / " 0 "ccp1" } } */