2002-04-19 Jeff Johnston <jjohnstn@redhat.com>

        *  configure.host: Add support for powerpc-eabialtivec*.
        *  libc/include/malloc.h: Add include of <machine/malloc.h>.
        *  libc/include/stdlib.h: Add include of <machine/stdlib.h>.
        *  libc/include/machine/malloc.h: New file.
        *  libc/include/machine/stdlib.h: Ditto.
        *  libc/include/machine/setjmp.h: Add support for powerpc altivec.
        *  libc/machine/powerpc/Makefile.am: Add conditional objects and
        sources based on configuration.
        *  libc/machine/powerpc/Makefile.in: Regenerated.
        *  libc/machine/powerpc/configure: Ditto.
        *  libc/machine/powerpc/configure.in: Add check for
        powerpc-eabialtivec* in which case add in additional source files.
        *  libc/machine/powerpc/setjmp.S: Add altivec support.
        *  libc/machine/powerpc/vec_calloc.c: New file.
        *  libc/machine/powerpc/vec_free.c: Ditto.
        *  libc/machine/powerpc/vec_malloc.c: Ditto.
        *  libc/machine/powerpc/vec_mallocr.c: Ditto.
        *  libc/machine/powerpc/vec_realloc.c: Ditto.
        *  libc/machine/powerpc/machine/malloc.h: Ditto.
        *  libc/machine/powerpc/machine/stdlib.h: Ditto.
        *  libc/machine/powerpc/vfprintf.c: New file that is vfprintf.c
        with added altivec format specifiers.
        *  libc/machine/powerpc/vfscanf.c: New file that is vfscanf.c with
        added altivec format specifiers.

1 files changed, 132 insertions, 0 deletions

diff --git a/newlib/libc/machine/powerpc/vec_malloc.c b/newlib/libc/machine/powerpc/vec_malloc.c
new file mode 100644
index 000000000..6bcad59b6
--- /dev/null
+++ b/newlib/libc/machine/powerpc/vec_malloc.c
@@ -0,0 +1,132 @@
+/*
+FUNCTION
+<<vec_malloc>>, <<vec_realloc>>, <<vec_free>>---manage vector memory
+
+INDEX
+	vec_malloc
+INDEX
+	vec_realloc
+INDEX
+	vec_free
+INDEX
+	_vec_malloc_r
+INDEX
+	_vec_realloc_r
+INDEX
+	_vec_free_r
+
+ANSI_SYNOPSIS
+	#include <stdlib.h>
+	void *vec_malloc(size_t <[nbytes]>);
+	void *vec_realloc(void *<[aptr]>, size_t <[nbytes]>);
+	void vec_free(void *<[aptr]>);
+
+
+	void *_vec_malloc_r(void *<[reent]>, size_t <[nbytes]>);
+	void *_vec_realloc_r(void *<[reent]>, 
+                         void *<[aptr]>, size_t <[nbytes]>);
+	void _vec_free_r(void *<[reent]>, void *<[aptr]>);
+
+
+TRAD_SYNOPSIS
+	#include <stdlib.h>
+	char *vec_malloc(<[nbytes]>)
+	size_t <[nbytes]>;
+
+	char *vec_realloc(<[aptr]>, <[nbytes]>)
+	char *<[aptr]>;
+	size_t <[nbytes]>;
+
+	void vec_free(<[aptr]>)
+	char *<[aptr]>;
+
+	char *_vec_malloc_r(<[reent]>,<[nbytes]>)
+	char *<[reent]>;
+	size_t <[nbytes]>;
+
+	char *_vec_realloc_r(<[reent]>, <[aptr]>, <[nbytes]>)
+	char *<[reent]>;
+	char *<[aptr]>;
+	size_t <[nbytes]>;
+
+	void _vec_free_r(<[reent]>, <[aptr]>)
+	char *<[reent]>;
+	char *<[aptr]>;
+
+DESCRIPTION
+These functions manage a pool of system memory that is 16-byte aligned..
+
+Use <<vec_malloc>> to request allocation of an object with at least
+<[nbytes]> bytes of storage available and is 16-byte aligned.  If the space is 
+available, <<vec_malloc>> returns a pointer to a newly allocated block as its result.
+
+If you already have a block of storage allocated by <<vec_malloc>>, but
+you no longer need all the space allocated to it, you can make it
+smaller by calling <<vec_realloc>> with both the object pointer and the
+new desired size as arguments.  <<vec_realloc>> guarantees that the
+contents of the smaller object match the beginning of the original object.
+
+Similarly, if you need more space for an object, use <<vec_realloc>> to
+request the larger size; again, <<vec_realloc>> guarantees that the
+beginning of the new, larger object matches the contents of the
+original object.
+
+When you no longer need an object originally allocated by <<vec_malloc>>
+or <<vec_realloc>> (or the related function <<vec_calloc>>), return it to the
+memory storage pool by calling <<vec_free>> with the address of the object
+as the argument.  You can also use <<vec_realloc>> for this purpose by
+calling it with <<0>> as the <[nbytes]> argument.
+
+The alternate functions <<_vec_malloc_r>>, <<_vec_realloc_r>>, <<_vec_free_r>>,
+are reentrant versions.  The extra argument <[reent]> is a pointer to a reentrancy 
+structure.
+
+If you have multiple threads of execution which may call any of these
+routines, or if any of these routines may be called reentrantly, then
+you must provide implementations of the <<__vec_malloc_lock>> and
+<<__vec_malloc_unlock>> functions for your system.  See the documentation
+for those functions.
+
+These functions operate by calling the function <<_sbrk_r>> or
+<<sbrk>>, which allocates space.  You may need to provide one of these
+functions for your system.  <<_sbrk_r>> is called with a positive
+value to allocate more space, and with a negative value to release
+previously allocated space if it is no longer required.
+@xref{Stubs}.
+
+RETURNS
+<<vec_malloc>> returns a pointer to the newly allocated space, if
+successful; otherwise it returns <<NULL>>.  If your application needs
+to generate empty objects, you may use <<vec_malloc(0)>> for this purpose.
+
+<<vec_realloc>> returns a pointer to the new block of memory, or <<NULL>>
+if a new block could not be allocated.  <<NULL>> is also the result
+when you use `<<vec_realloc(<[aptr]>,0)>>' (which has the same effect as
+`<<vec_free(<[aptr]>)>>').  You should always check the result of
+<<vec_realloc>>; successful vec_reallocation is not guaranteed even when
+you request a smaller object.
+
+<<vec_free>> does not return a result.
+
+PORTABILITY
+<<vec_malloc>>, <<vec_realloc>>, and <<vec_free>> are all extensions
+specified in the AltiVec Programming Interface Manual.
+
+Supporting OS subroutines required: <<sbrk>>.  */
+
+#include <_ansi.h>
+#include <reent.h>
+#include <stdlib.h>
+#include <malloc.h>
+
+#ifndef _REENT_ONLY
+
+_PTR
+_DEFUN (vec_malloc, (nbytes),
+	size_t nbytes)		/* get a block */
+{
+  return _memalign_r (_REENT, 16, nbytes);
+}
+
+#endif
+