pmm_malloc.h (posix_memalign): If __cplusplus, make the prototype extern "C" and add throw ().

	* config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
	make the prototype extern "C" and add throw ().

	* g++.dg/other/i386-2.C: New test.

From-SVN: r109318

gcc/ChangeLog

 2006-01-04  Jakub Jelinek  <jakub@redhat.com>
 
+	* config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
+	make the prototype extern "C" and add throw ().
+
 	PR target/25554
 	* config/i386/i386.md (testqi_ext_3): Ensure len is positive
 	and pos non-negative and pos + len <= 32.

gcc/config/i386/pmm_malloc.h

-/* Copyright (C) 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2004, 2006 Free Software Foundation, Inc.
 
    This file is part of GCC.
 
@@ -31,7 +31,11 @@
 
 /* We can't depend on <stdlib.h> since the prototype of posix_memalign
    may not be visible.  */
+#ifndef __cplusplus
 extern int posix_memalign (void **, size_t, size_t);
+#else
+extern "C" int posix_memalign (void **, size_t, size_t) throw ();
+#endif
 
 static __inline void *
 _mm_malloc (size_t size, size_t alignment)

gcc/testsuite/ChangeLog

 2006-01-04  Jakub Jelinek  <jakub@redhat.com>
 
+	* g++.dg/other/i386-2.C: New test.
+
 	PR target/25554
 	* gcc.c-torture/compile/20051228-1.c: New test.
 

gcc/testsuite/g++.dg/other/i386-2.C

+/* Test that {,x,e,p}mmintrin.h and mm_malloc.h are
+   usable with -pedantic-errors.  */
+/* { dg-do compile { target i?86-*-* x86_64-*-* } } */
+/* { dg-options "-pedantic-errors -msse3" } */
+
+#include <mmintrin.h>
+#include <xmmintrin.h>
+#include <emmintrin.h>
+#include <pmmintrin.h>
+#include <mm_malloc.h>
+
+int dummy;