[PATCH] x86: Add testcases for PR target/80566

[H.J. Lu via Gcc-patches]

        PR target/80566
        * g++.target/i386/pr80566-1.C: New test.
        * g++.target/i386/pr80566-2.C: Likewise.
---
 gcc/testsuite/g++.target/i386/pr80566-1.C | 15 +++++++++++++++
 gcc/testsuite/g++.target/i386/pr80566-2.C | 14 ++++++++++++++
 2 files changed, 29 insertions(+)
 create mode 100644 gcc/testsuite/g++.target/i386/pr80566-1.C
 create mode 100644 gcc/testsuite/g++.target/i386/pr80566-2.C

diff --git a/gcc/testsuite/g++.target/i386/pr80566-1.C 
b/gcc/testsuite/g++.target/i386/pr80566-1.C
new file mode 100644
index 00000000000..753f9740529
--- /dev/null
+++ b/gcc/testsuite/g++.target/i386/pr80566-1.C
@@ -0,0 +1,15 @@
+// { dg-do compile }
+// { dg-options "-O2 -march=haswell" }
+
+#include <cstring>
+
+int *
+foo()
+{
+  int * p = new int[16];
+  memset(p,0,16*sizeof(int));
+  return p;
+}
+
+/* { dg-final { scan-assembler-times "vpxor\[ \\t\]+\[^\n\]*%xmm" 1 } } */
+/* { dg-final { scan-assembler-times "vmovdqu\[ \\t\]+\[^\n\]*%ymm" 2 } } */
diff --git a/gcc/testsuite/g++.target/i386/pr80566-2.C 
b/gcc/testsuite/g++.target/i386/pr80566-2.C
new file mode 100644
index 00000000000..2a2e82d0a3a
--- /dev/null
+++ b/gcc/testsuite/g++.target/i386/pr80566-2.C
@@ -0,0 +1,14 @@
+// { dg-do compile }
+// { dg-options "-O2 -march=haswell" }
+
+#include <cstring>
+
+int *
+foo(int * q)
+{
+  int * p = new int[16];
+  memcpy(q,p,16*sizeof(int));
+  return p;
+}
+
+/* { dg-final { scan-assembler-times "vmovdqu\[ \\t\]+\[^\n\]*%ymm" 4 } } */
-- 
2.31.1