+2004-08-03 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR target/16570
+ * config.gcc (i[34567]86-*-* | x86_64-*-*): Add i386/t-gmm_malloc
+ to tmake_file.
+ (i[34567]86-*-linux*aout* | i[34567]86-*-linux*libc1): Likewise.
+ (i[34567]86-*-linux* | x86_64-*-linux*): Add i386/t-pmm_malloc
+ to tmake_file.
+
+ * config/i386/t-gmm_malloc: New file.
+ * config/i386/t-pmm_malloc: Likewise.
+
+ * config/i386/xmmintrin.h: Include <mm_malloc.h>.
+
+2004-08-03 H.J. Lu <hongjiu.lu@intel.com>
+ Tanguy Fautrà <tfautre@pandora.be>
+
+ * config/i386/pmm_malloc.h: New file.
+
+2004-08-03 Danny Smith <dannysmith@users.sourceforge.net>
+
+ * config/i386/gmm_malloc.h: New file.
+
2004-08-03 Dale Johannesen <dalej@apple.com>
* config/rs6000/rs6000.c (machopic_output_stub): Align Darwin stubs.
;;
esac
+case ${target} in
+i[34567]86-*-linux*aout* | i[34567]86-*-linux*libc1)
+ tmake_file="${tmake_file} i386/t-gmm_malloc"
+ ;;
+i[34567]86-*-linux* | x86_64-*-linux*)
+ tmake_file="${tmake_file} i386/t-pmm_malloc"
+ ;;
+i[34567]86-*-* | x86_64-*-*)
+ tmake_file="${tmake_file} i386/t-gmm_malloc"
+ ;;
+esac
+
# Support for --with-cpu and related options (and a few unrelated options,
# too).
case ${with_cpu} in
--- /dev/null
+/* Copyright (C) 2004 Free Software Foundation, Inc.
+
+ This file is part of GCC.
+
+ GCC is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2, or (at your option)
+ any later version.
+
+ GCC 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 General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with GCC; see the file COPYING. If not, write to
+ the Free Software Foundation, 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+/* As a special exception, if you include this header file into source
+ files compiled by GCC, this header file does not by itself cause
+ the resulting executable to be covered by the GNU General Public
+ License. This exception does not however invalidate any other
+ reasons why the executable file might be covered by the GNU General
+ Public License. */
+
+#ifndef _MM_MALLOC_H_INCLUDED
+#define _MM_MALLOC_H_INCLUDED
+
+#include <stdlib.h>
+#include <errno.h>
+
+static __inline__ void*
+_mm_malloc (size_t size, size_t align)
+{
+ void * malloc_ptr;
+ void * aligned_ptr;
+
+ /* Error if align is not a power of two. */
+ if (align & (align - 1))
+ {
+ errno = EINVAL;
+ return ((void*) 0);
+ }
+
+ if (size == 0)
+ return ((void *) 0);
+
+ /* Assume malloc'd pointer is aligned at least to sizeof (void*).
+ If necesary, add another sizeof (void*) to store the value
+ returned by malloc. Effectively this enforces a minimum alignment
+ of sizeof double. */
+ if (align < 2 * sizeof (void *))
+ align = 2 * sizeof (void *);
+
+ malloc_ptr = malloc (size + align);
+ if (!malloc_ptr)
+ return ((void *) 0);
+
+ /* Align We have at least sizeof (void *) space below malloc'd ptr. */
+ aligned_ptr = (void *) (((size_t) malloc_ptr + align)
+ & ~((size_t) (align) - 1));
+
+ /* Store the original pointer just before p. */
+ ((void **) aligned_ptr) [-1] = malloc_ptr;
+
+ return aligned_ptr;
+}
+
+static __inline__ void
+_mm_free (void * aligned_ptr)
+{
+ if (aligned_ptr)
+ free (((void **) aligned_ptr) [-1]);
+}
+
+#endif /* _MM_MALLOC_H_INCLUDED */
--- /dev/null
+/* Copyright (C) 2004 Free Software Foundation, Inc.
+
+ This file is part of GCC.
+
+ GCC is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2, or (at your option)
+ any later version.
+
+ GCC 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 General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with GCC; see the file COPYING. If not, write to
+ the Free Software Foundation, 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+/* As a special exception, if you include this header file into source
+ files compiled by GCC, this header file does not by itself cause
+ the resulting executable to be covered by the GNU General Public
+ License. This exception does not however invalidate any other
+ reasons why the executable file might be covered by the GNU General
+ Public License. */
+
+#ifndef _MM_MALLOC_H_INCLUDED
+#define _MM_MALLOC_H_INCLUDED
+
+#include <stdlib.h>
+
+/* We can't depend on <stdlib.h> since the prototype of posix_memalign
+ may not be visible. */
+extern int posix_memalign (void **, size_t, size_t);
+
+static __inline void *
+_mm_malloc (size_t size, size_t alignment)
+{
+ void *ptr;
+ if (alignment == 1)
+ return malloc (size);
+ if (alignment == 2 || (sizeof (void *) == 8 && alignment == 4))
+ alignment = sizeof (void *);
+ if (posix_memalign (&ptr, alignment, size) == 0)
+ return ptr;
+ else
+ return NULL;
+}
+
+static __inline void
+_mm_free (void * ptr)
+{
+ free (ptr);
+}
+
+#endif /* _MM_MALLOC_H_INCLUDED */
--- /dev/null
+# Install gmm_malloc.h as mm_malloc.h.
+
+EXTRA_HEADERS += mm_malloc.h
+mm_malloc.h: $(srcdir)/config/i386/gmm_malloc.h
+ rm -f $@
+ cat $^ > $@
--- /dev/null
+# Install pmm_malloc.h as mm_malloc.h.
+
+EXTRA_HEADERS += mm_malloc.h
+mm_malloc.h: $(srcdir)/config/i386/pmm_malloc.h
+ rm -f $@
+ cat $^ > $@
/* We need type definitions from the MMX header file. */
#include <mmintrin.h>
+/* Get _mm_malloc () and _mm_free (). */
+#include <mm_malloc.h>
+
/* The data type intended for user use. */
typedef float __m128 __attribute__ ((vector_size (16)));
+2004-08-03 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR target/16570
+ * gcc.dg/i386-sse-9.c: New test.
+
2004-08-03 Joseph S. Myers <jsm@polyomino.org.uk>
* gcc.dg/array-7.c, gcc.dg/c99-tag-2.c: New tests.
--- /dev/null
+/* { dg-do run { target i?86-*-* x86_64-*-* } } */
+/* { dg-options "-O2 -msse" } */
+#include <xmmintrin.h>
+#include <stdlib.h>
+#include <stddef.h>
+#include <string.h>
+
+int
+main()
+{
+ int alignment, n;
+ void *ptr;
+ int errors = 0;
+ const char test [] = "This is a test.";
+
+ for (alignment = 1; alignment <= (1 << 20); alignment += alignment)
+ {
+ ptr = _mm_malloc (alignment, alignment);
+ if (((ptrdiff_t) ptr) & (alignment - 1))
+ abort ();
+ if (ptr)
+ {
+ n = alignment > sizeof test ? sizeof test : alignment;
+ memcpy (ptr, test, n);
+ if (memcmp (ptr, test, n) != 0)
+ errors++;
+ _mm_free (ptr);
+ }
+ else
+ errors++;
+ }
+
+ if (errors != 0)
+ abort ();
+ exit (0);
+}
projects / gcc.git / commitdiff