From d05aa0afd8969e6c6e58f63795ffb0ffd89b5378 Mon Sep 17 00:00:00 2001
From: "H.J. Lu" <hongjiu.lu@intel.com>
Date: Fri, 21 May 2004 00:13:04 +0000
Subject: [PATCH] re PR target/15301 ([3.3/3.4 only] gcc does not pass __m128
 arguments correctly)

2004-05-20  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/15301
	* gcc.dg/compat/union-m128-1.h: New file.
	* gcc.dg/compat/union-m128-1_main.c: Likewise.
	* gcc.dg/compat/union-m128-1_x.c: Likewise.
	* gcc.dg/compat/union-m128-1_y.c: Likewise.

From-SVN: r82077
---
 gcc/testsuite/ChangeLog                       |  8 +++++
 gcc/testsuite/gcc.dg/compat/union-m128-1.h    | 17 +++++++++++
 .../gcc.dg/compat/union-m128-1_main.c         | 21 ++++++++++++++
 gcc/testsuite/gcc.dg/compat/union-m128-1_x.c  | 26 +++++++++++++++++
 gcc/testsuite/gcc.dg/compat/union-m128-1_y.c  | 29 +++++++++++++++++++
 5 files changed, 101 insertions(+)
 create mode 100644 gcc/testsuite/gcc.dg/compat/union-m128-1.h
 create mode 100644 gcc/testsuite/gcc.dg/compat/union-m128-1_main.c
 create mode 100644 gcc/testsuite/gcc.dg/compat/union-m128-1_x.c
 create mode 100644 gcc/testsuite/gcc.dg/compat/union-m128-1_y.c

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index f2fa8f4a0e0..99dcf889ec0 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,11 @@
+2004-05-20  H.J. Lu  <hongjiu.lu@intel.com>
+
+	PR target/15301
+	* gcc.dg/compat/union-m128-1.h: New file.
+	* gcc.dg/compat/union-m128-1_main.c: Likewise.
+	* gcc.dg/compat/union-m128-1_x.c: Likewise.
+	* gcc.dg/compat/union-m128-1_y.c: Likewise.
+
 2004-05-20  H.J. Lu  <hongjiu.lu@intel.com>
 
 	PR target/15302
diff --git a/gcc/testsuite/gcc.dg/compat/union-m128-1.h b/gcc/testsuite/gcc.dg/compat/union-m128-1.h
new file mode 100644
index 00000000000..56d80cbfb91
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/compat/union-m128-1.h
@@ -0,0 +1,17 @@
+#include <xmmintrin.h>
+
+typedef struct
+{
+  __m128 x;
+} SS_struct_mi128;
+
+typedef union
+{
+  __m128 x;
+} SS_union_mi128;
+
+typedef union
+{
+  __m128 x;
+  unsigned long long u[2];
+} union_mi128;
diff --git a/gcc/testsuite/gcc.dg/compat/union-m128-1_main.c b/gcc/testsuite/gcc.dg/compat/union-m128-1_main.c
new file mode 100644
index 00000000000..69dd34dce57
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/compat/union-m128-1_main.c
@@ -0,0 +1,21 @@
+/* { dg-options "-O" } */
+
+#ifdef __x86_64__
+/* Test function argument passing.  PR target/15301.  */
+
+extern void union_m128_1_x (void);
+extern void exit (int);
+
+int
+main ()
+{
+  union_m128_1_x ();
+  exit (0);
+}
+#else
+int
+main ()
+{
+  return 0;
+}
+#endif
diff --git a/gcc/testsuite/gcc.dg/compat/union-m128-1_x.c b/gcc/testsuite/gcc.dg/compat/union-m128-1_x.c
new file mode 100644
index 00000000000..0a6f8860d09
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/compat/union-m128-1_x.c
@@ -0,0 +1,26 @@
+/* { dg-options "-O" } */
+
+#ifdef __x86_64__
+#include "union-m128-1.h"
+
+SS_union_mi128 un;
+SS_struct_mi128 st;
+
+extern void bar ();
+extern void foo ();
+
+void
+union_m128_1_x ()
+{
+  union_mi128 x;
+
+  x.u [0] = 0x123456789abcedf0LL;
+  x.u [1] = 0xfedcba9876543210LL;
+  un.x = x.x;
+  st.x = x.x;
+  bar(un);
+  bar(st);
+  foo(un);
+  foo(st);
+}
+#endif
diff --git a/gcc/testsuite/gcc.dg/compat/union-m128-1_y.c b/gcc/testsuite/gcc.dg/compat/union-m128-1_y.c
new file mode 100644
index 00000000000..153ed7d7440
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/compat/union-m128-1_y.c
@@ -0,0 +1,29 @@
+/* { dg-options "-O" } */
+
+#ifdef __x86_64__
+#include <stdlib.h>
+
+#include "union-m128-1.h"
+
+void
+bar (SS_union_mi128 un)
+{
+  union_mi128 x;
+  
+  x.x = un.x;
+  if (x.u [0] != 0x123456789abcedf0LL
+      || x.u [1] != 0xfedcba9876543210LL)
+    abort ();
+}
+
+void
+foo (SS_struct_mi128 st)
+{
+  union_mi128 x;
+  
+  x.x = st.x;
+  if (x.u [0] != 0x123456789abcedf0LL
+      || x.u [1] != 0xfedcba9876543210LL)
+    abort ();
+}
+#endif
-- 
2.30.2