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-rw-r--r--sysdeps/powerpc/tst-stack-align.h47
1 files changed, 47 insertions, 0 deletions
diff --git a/sysdeps/powerpc/tst-stack-align.h b/sysdeps/powerpc/tst-stack-align.h
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+/* Copyright (C) 2005 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <stdio.h>
+#include <stdint.h>
+
+#define TEST_STACK_ALIGN() \
+  ({									     \
+    /* Altivec __vector int etc. needs 16byte aligned stack.		     \
+       Instead of using altivec.h here, use aligned attribute instead.  */   \
+    struct _S								     \
+      {									     \
+        int _i __attribute__((aligned (16)));				     \
+	int _j[3];							     \
+      } _s = { ._i = 18, ._j[0] = 19, ._j[1] = 20, ._j[2] = 21 };	     \
+    double _d = 12.0;							     \
+    long double _ld = 15.0;						     \
+    int _ret = 0;							     \
+    printf ("__vector int:  { %d, %d, %d, %d } %p %zu\n", _s._i, _s._j[0],   \
+            _s._j[1], _s._j[2], &_s, __alignof (_s));			     \
+    if ((((uintptr_t) &_s) & (__alignof (_s) - 1)) != 0)		     \
+      _ret = 1;								     \
+									     \
+    printf ("double:  %g %p %zu\n", _d, &_d, __alignof (double));	     \
+    if ((((uintptr_t) &_d) & (__alignof (double) - 1)) != 0)		     \
+      _ret = 1;								     \
+									     \
+    printf ("ldouble: %Lg %p %zu\n", _ld, &_ld, __alignof (long double));    \
+    if ((((uintptr_t) &_ld) & (__alignof (long double) - 1)) != 0)	     \
+      _ret = 1;								     \
+    _ret;								     \
+    })