diff gcc/testsuite/gcc.target/i386/avx512f-pr95060.c @ 152:2b5abeee2509

update gcc11
author anatofuz
date Mon, 25 May 2020 07:50:57 +0900
parents
children
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.target/i386/avx512f-pr95060.c	Mon May 25 07:50:57 2020 +0900
@@ -0,0 +1,22 @@
+/* PR tree-optimization/95060 */
+/* { dg-do compile } */
+/* { dg-options "-O3 -ffast-math -mavx512f" } */
+/* { dg-final { scan-assembler "\tvfnmsub" } } */
+/* { dg-final { scan-assembler-not "\tvfmadd" } } */
+
+#define N 32
+float r[N], a[N], b[N], c[N];
+
+void
+foo (void)
+{
+  for (int i = 0; i < N; i++)
+    r[i] = -(a[i] * b[i]) - c[i];
+}
+
+void
+bar (void)
+{
+  for (int i = 0; i < N; i++)
+    r[i] = -(a[i] * b[i] + c[i]);
+}