1 files changed, 18 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/i386/avx-vzeroupper-18.c b/gcc/testsuite/gcc.target/i386/avx-vzeroupper-18.c
new file mode 100644
index 000000000..541f77d76
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/avx-vzeroupper-18.c
@@ -0,0 +1,18 @@
+/* { dg-do compile } */
+/* { dg-require-effective-target lp64 } */
+/* { dg-options "-O0 -mavx -mabi=ms -mtune=generic -dp" } */
+
+typedef float __m256 __attribute__ ((__vector_size__ (32), __may_alias__));
+
+extern __m256 x;
+
+extern void __attribute__ ((sysv_abi))  bar (__m256);
+
+void
+foo (void)
+{
+  bar (x);
+}
+
+/* { dg-final { scan-assembler-not "avx_vzeroupper" } } */
+/* { dg-final { scan-assembler-times "\\*call_1_rex64_ms_sysv" 1 } } */