Update.

1999-07-06  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/unix/sysv/linux/alpha/ioperm.c: Update for some more
	motherboards.
	Patch by Jay Estabrook.

	* sysdeps/unix/sysv/linux/configure.in: Don't test for libc4 in
	ldd for SPARC.
	* /sysdeps/unix/sysv/linux/sparc/ldd-rewrite.sed: New file.
	Patch by Cristian Gafton.

1999-07-02  Cristian Gafton  <gafton@redhat.com>

	* sysdeps/unix/sysv/linux/bits/socket.h (__cmsg_nxthdr): "return 0"
	instead of "return NULL" to make C++ happy.

1999-07-04  Mark Kettenis  <kettenis@gnu.org>

	* libio/iofdopen.c (_IO_new_fdopen): Set EINVAL if MODE is not
	allowed by the file access mode of the open file.

1999-07-06  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/generic/setfpucw.c: Include math.h to get all needed
	macros defined.

1999-07-03  Jakub Jelinek   <jj@ultra.linux.cz>

	* sysdeps/sparc/sparc64/submul_1.S: Fix carry handling. Optimize.
	* sysdeps/sparc/sparc64/lshift.S: Make a leaf subroutine. Optimize.
	* sysdeps/sparc/sparc64/rshift.S: Likewise.
	* sysdeps/sparc/sparc64/mul_1.S: Optimize.

1999-07-04  Wolfram Gloger  <wmglo@dent.med.uni-muenchen.de>

	* malloc/malloc.c (request2size): Check for overflow and return
	NULL whenever it is encountered.

1999-07-04  Zack Weinberg  <zack@rabi.columbia.edu>

	* sysdeps/posix/tempname.c (__gen_tempname):   Add
	ability to create directories.  Replace OPENIT and LARGEFILE
	args with a single flags parameter.
	* sysdeps/generic/tempname.c: Likewise.
	* include/stdio.h: Adjust prototype of __gen_tempname to
	match.  Define symbolic constants for second argument.

	* misc/mkdtemp.c: New file, provides new function mkdtemp().
	* stdlib/stdlib.h: Prototype it.
	* misc/Versions: Export it.
	* misc/Makefile (routines): Add mktemp.
	* manual/filesys.texi: Document it.

	* misc/mktemp.c: Adjust call of __gen_tempname to match new
	convention.
	* misc/mkstemp.c: Likewise.
	* stdio-common/tempnam.c: Likewise.
	* stdio-common/tmpfile.c: Likewise.
	* stdio-common/tmpfile64.c: Likewise.
	* stdio-common/tmpnam.c: Likewise.
	* stdio-common/tmpnam_r.c: Likewise.

1999-07-05  Jakub Jelinek   <jj@ultra.linux.cz>

	* sysdeps/sparc/sparc64/dl-machine.h (elf_machine_rela): Support
	R_SPARC_OLO10 relocations.
	* elf/elf.h (R_SPARC_OLO10): Fix comment.

12 files changed, 444 insertions, 343 deletions

diff --git a/sysdeps/generic/setfpucw.c b/sysdeps/generic/setfpucw.c
index ba91a76715..59d5de3737 100644
--- a/sysdeps/generic/setfpucw.c
+++ b/sysdeps/generic/setfpucw.c
@@ -1,5 +1,5 @@
 /* Set the FPU control word.
-   Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+   Copyright (C) 1996, 1997, 1999 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
@@ -17,6 +17,7 @@
    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
+#include <math.h>
 #include <fpu_control.h>
 
 void
diff --git a/sysdeps/generic/tempname.c b/sysdeps/generic/tempname.c
index fb366fcb2b..253375c292 100644
--- a/sysdeps/generic/tempname.c
+++ b/sysdeps/generic/tempname.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 92, 93, 95, 96, 97, 98 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 92, 93, 95-98, 99 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
@@ -38,13 +38,17 @@ stub_warning (__path_search)
 
 /* Generate a (hopefully) unique temporary filename
    in DIR (if applicable), using template TMPL.
-   If OPENIT is 1, open the file and return a fd.  If LARGEFILE is 1,
-   use open64() to do that. */
+   KIND determines what to do with that name.  It may be one of:
+     __GT_FILE:		create a file and return a read-write fd.
+     __GT_BIGFILE:	same, but use open64() (or equivalent).
+     __GT_DIR:		create a directory.
+     __GT_NOCREATE:	just find a name not currently in use.
+ */
+
 int
-__gen_tempname (tmpl, openit, largefile)
+__gen_tempname (tmpl, kind)
      char *tmpl;
-     int openit;
-     int largefile;
+     int kind;
 {
   __set_errno (ENOSYS);
   return -1;
diff --git a/sysdeps/posix/tempname.c b/sysdeps/posix/tempname.c
index 7689bb01e3..536225e957 100644
--- a/sysdeps/posix/tempname.c
+++ b/sysdeps/posix/tempname.c
@@ -27,6 +27,7 @@
 #include <fcntl.h>
 #include <unistd.h>
 #include <sys/time.h>
+#include <assert.h>
 
 /* Return nonzero if DIR is an existent directory.  */
 static int
@@ -106,20 +107,27 @@ static const char letters[] =
 /* Generate a temporary file name based on TMPL.  TMPL must match the
    rules for mk[s]temp (i.e. end in "XXXXXX").  The name constructed
    does not exist at the time of the call to __gen_tempname.  TMPL is
-   overwritten with the result.  If OPENIT is nonzero, creates the
-   file and returns a read-write fd; the file is mode 0600 modulo
-   umask.  If LARGEFILE is nonzero, uses open64() instead of open().
+   overwritten with the result.
+
+   KIND may be one of:
+   __GT_NOCREATE:	simply verify that the name does not exist
+			at the time of the call.
+   __GT_FILE:		create the file using open(O_CREAT|O_EXCL)
+			and return a read-write fd.  The file is mode 0600.
+   __GT_BIGFILE:	same as __GT_FILE but use open64().
+   __GT_DIR:		create a directory, which will be mode 0700.
 
    We use a clever algorithm to get hard-to-predict names. */
 int
-__gen_tempname (char *tmpl, int openit, int largefile)
+__gen_tempname (char *tmpl, int kind)
 {
   int len;
   char *XXXXXX;
   static uint64_t value;
   struct timeval tv;
-  int count, fd;
+  int count, fd = -1;
   int save_errno = errno;
+  struct stat st;
 
   len = strlen (tmpl);
   if (len < 6 || strcmp (&tmpl[len - 6], "XXXXXX"))
@@ -152,24 +160,25 @@ __gen_tempname (char *tmpl, int openit, int largefile)
       v /= 62;
       XXXXXX[5] = letters[v % 62];
 
-      if (openit)
-	{
-	  fd = (largefile
-		? __open (tmpl, O_RDWR | O_CREAT | O_EXCL, 0600)
-		: __open64 (tmpl, O_RDWR | O_CREAT | O_EXCL, 0600));
-	  if (fd >= 0)
-	    {
-	      __set_errno (save_errno);
-	      return fd;
-	    }
-	  else if (errno != EEXIST)
-	    /* Any other error will apply also to other names we might
-	       try, and there are 2^32 or so of them, so give up now. */
-	    return -1;
-	}
-      else
+      switch (kind)
 	{
-	  struct stat st;
+	case __GT_FILE:
+	  fd = __open (tmpl, O_RDWR | O_CREAT | O_EXCL, 0600);
+	  break;
+
+	case __GT_BIGFILE:
+	  fd = __open64 (tmpl, O_RDWR | O_CREAT | O_EXCL, 0600);
+	  break;
+
+	case __GT_DIR:
+	  fd = __mkdir (tmpl, 0700);
+	  break;
+
+	case __GT_NOCREATE:
+	  /* This case is backward from the other three.  __gen_tempname
+	     succeeds if __xstat fails because the name does not exist.
+	     Note the continue to bypass the common logic at the bottom
+	     of the loop.  */
 	  if (__xstat (_STAT_VER, tmpl, &st) < 0)
 	    {
 	      if (errno == ENOENT)
@@ -181,7 +190,19 @@ __gen_tempname (char *tmpl, int openit, int largefile)
 		/* Give up now. */
 		return -1;
 	    }
+	  continue;
+
+	default:
+	  assert (! "invalid KIND in __gen_tempname");
+	}
+
+      if (fd >= 0)
+	{
+	  __set_errno (save_errno);
+	  return fd;
 	}
+      else if (errno != EEXIST)
+	return -1;
     }
 
   /* We got out of the loop because we ran out of combinations to try.  */
diff --git a/sysdeps/sparc/sparc64/dl-machine.h b/sysdeps/sparc/sparc64/dl-machine.h
index b042989881..5a86ec57d8 100644
--- a/sysdeps/sparc/sparc64/dl-machine.h
+++ b/sysdeps/sparc/sparc64/dl-machine.h
@@ -25,6 +25,9 @@
 #include <elf/ldsodefs.h>
 #include <sysdep.h>
 
+#define ELF64_R_TYPE_ID(info)	((info) & 0xff)
+#define ELF64_R_TYPE_DATA(info) ((info) >> 8)
+
 /* Return nonzero iff E_MACHINE is compatible with the running host.  */
 static inline int
 elf_machine_matches_host (Elf64_Half e_machine)
@@ -178,14 +181,14 @@ elf_machine_rela (struct link_map *map, const Elf64_Rela *reloc,
   weak_extern (_dl_rtld_map);
 #endif
 
-  if (ELF64_R_TYPE (reloc->r_info) == R_SPARC_RELATIVE)
+  if (ELF64_R_TYPE_ID (reloc->r_info) == R_SPARC_RELATIVE)
     {
 #ifndef RTLD_BOOTSTRAP
       if (map != &_dl_rtld_map) /* Already done in rtld itself. */
 #endif
 	*reloc_addr = map->l_addr + reloc->r_addend;
     }
-  else if (ELF64_R_TYPE (reloc->r_info) != R_SPARC_NONE) /* Who is Wilbur? */
+  else if (ELF64_R_TYPE_ID (reloc->r_info) != R_SPARC_NONE) /* Who is Wilbur? */
     {
       const Elf64_Sym *const refsym = sym;
       Elf64_Addr value;
@@ -194,13 +197,13 @@ elf_machine_rela (struct link_map *map, const Elf64_Rela *reloc,
 	value = map->l_addr;
       else
 	{
-	  value = RESOLVE (&sym, version, ELF64_R_TYPE (reloc->r_info));
+	  value = RESOLVE (&sym, version, ELF64_R_TYPE_ID (reloc->r_info));
 	  if (sym)
 	    value += sym->st_value;
 	}
       value += reloc->r_addend;	/* Assume copy relocs have zero addend.  */
 
-      switch (ELF64_R_TYPE (reloc->r_info))
+      switch (ELF64_R_TYPE_ID (reloc->r_info))
 	{
 	case R_SPARC_COPY:
 	  if (sym == NULL)
@@ -262,6 +265,11 @@ elf_machine_rela (struct link_map *map, const Elf64_Rela *reloc,
 	    ((*(unsigned int *)reloc_addr & 0xffc00000) |
 	     (value >> 10));
 	  break;
+	case R_SPARC_OLO10:
+	  *(unsigned int *) reloc_addr =
+	    ((*(unsigned int *)reloc_addr & ~0x1fff) |
+	     (((value & 0x3ff) + ELF64_R_TYPE_DATA (reloc->r_info)) & 0x1fff));
+	  break;
 
 	/* MEDMID code model relocs */
 	case R_SPARC_H44:
diff --git a/sysdeps/sparc/sparc64/lshift.S b/sysdeps/sparc/sparc64/lshift.S
index f211924ddb..4f265ad96b 100644
--- a/sysdeps/sparc/sparc64/lshift.S
+++ b/sysdeps/sparc/sparc64/lshift.S
@@ -1,6 +1,6 @@
 /* SPARC v9 __mpn_lshift --
 
-   Copyright (C) 1996 Free Software Foundation, Inc.
+   Copyright (C) 1996, 1999 Free Software Foundation, Inc.
 
    This file is part of the GNU MP Library.
 
@@ -22,75 +22,72 @@
 #include <sysdep.h>
 
 /* INPUT PARAMETERS
-   res_ptr	%i0
-   src_ptr	%i1
-   size		%i2
-   cnt		%i3  */
+   res_ptr	%o0
+   src_ptr	%o1
+   size		%o2
+   cnt		%o3  */
 
 ENTRY(__mpn_lshift)
-	save	%sp, -192, %sp
-
-	sllx	%i2,3,%g1
-	add	%i1,%g1,%i1	! make %i1 point at end of src
-	ldx	[%i1-8],%g2	! load first limb
-	sub	%g0,%i3,%i5	! negate shift count
-	add	%i0,%g1,%i0	! make %i0 point at end of res
-	add	%i2,-1,%i2
-	and	%i2,4-1,%l4	! number of limbs in first loop
-	srlx	%g2,%i5,%g1	! compute function result
-	brz,pn	%l4,.L0		! if multiple of 4 limbs, skip first loop
-	mov	%g1,%l1
-
-	sub	%i2,%l4,%i2	! adjust count for main loop
-
-.Loop0:	ldx	[%i1-16],%g3
-	add	%i0,-8,%i0
-	add	%i1,-8,%i1
-	add	%l4,-1,%l4
-	sllx	%g2,%i3,%i4
-	srlx	%g3,%i5,%g1
+	sllx	%o2,3,%g1
+	add	%o1,%g1,%o1	! make %o1 point at end of src
+	ldx	[%o1-8],%g2	! load first limb
+	sub	%g0,%o3,%o5	! negate shift count
+	add	%o0,%g1,%o0	! make %o0 point at end of res
+	add	%o2,-1,%o2
+	andcc	%o2,4-1,%g4	! number of limbs in first loop
+	srlx	%g2,%o5,%g1	! compute function result
+	be,pn	%xcc,.L0	! if multiple of 4 limbs, skip first loop
+	 mov	%g1,%g5
+
+	sub	%o2,%g4,%o2	! adjust count for main loop
+
+.Loop0:	ldx	[%o1-16],%g3
+	add	%o0,-8,%o0
+	add	%o1,-8,%o1
+	sllx	%g2,%o3,%o4
+	addcc	%g4,-1,%g4
+	srlx	%g3,%o5,%g1
 	mov	%g3,%g2
-	or	%i4,%g1,%i4
-	brnz,pt	%l4,.Loop0
-	 stx	%i4,[%i0+0]
+	or	%o4,%g1,%o4
+	bne,pt	%xcc,.Loop0
+	 stx	%o4,[%o0+0]
 
-.L0:	brz,pn	%i2,.Lend
+.L0:	brz,pn	%o2,.Lend
 	 nop
 
-.Loop:	ldx	[%i1-16],%g3
-	add	%i0,-32,%i0
-	add	%i2,-4,%i2
-	sllx	%g2,%i3,%i4
-	srlx	%g3,%i5,%g1
-
-	ldx	[%i1-24],%g2
-	sllx	%g3,%i3,%l4
-	or	%i4,%g1,%i4
-	stx	%i4,[%i0+24]
-	srlx	%g2,%i5,%g1
-
-	ldx	[%i1-32],%g3
-	sllx	%g2,%i3,%i4
-	or	%l4,%g1,%l4
-	stx	%l4,[%i0+16]
-	srlx	%g3,%i5,%g1
-
-	ldx	[%i1-40],%g2
-	sllx	%g3,%i3,%l4
-	or	%i4,%g1,%i4
-	stx	%i4,[%i0+8]
-	srlx	%g2,%i5,%g1
-
-	add	%i1,-32,%i1
-	or	%l4,%g1,%l4
-	brnz,pt	%i2,.Loop
-	 stx	%l4,[%i0+0]
-
-.Lend:	sllx	%g2,%i3,%g2
-	stx	%g2,[%i0-8]
-
-	mov	%l1,%i0
-	jmpl	%i7+8, %g0
-	 restore
+.Loop:	ldx	[%o1-16],%g3
+	add	%o0,-32,%o0
+	sllx	%g2,%o3,%o4
+	addcc	%o2,-4,%o2
+	srlx	%g3,%o5,%g1
+
+	ldx	[%o1-24],%g2
+	sllx	%g3,%o3,%g4
+	or	%o4,%g1,%o4
+	stx	%o4,[%o0+24]
+	srlx	%g2,%o5,%g1
+
+	ldx	[%o1-32],%g3
+	sllx	%g2,%o3,%o4
+	or	%g4,%g1,%g4
+	stx	%g4,[%o0+16]
+	srlx	%g3,%o5,%g1
+
+	ldx	[%o1-40],%g2
+	sllx	%g3,%o3,%g4
+	or	%o4,%g1,%o4
+	stx	%o4,[%o0+8]
+	srlx	%g2,%o5,%g1
+
+	add	%o1,-32,%o1
+	or	%g4,%g1,%g4
+	bne,pt	%xcc,.Loop
+	 stx	%g4,[%o0+0]
+
+.Lend:	sllx	%g2,%o3,%g2
+	stx	%g2,[%o0-8]
+
+	jmpl	%o7+8, %g0
+	 mov	%g5,%o0
 
 END(__mpn_lshift)
diff --git a/sysdeps/sparc/sparc64/mul_1.S b/sysdeps/sparc/sparc64/mul_1.S
index 757856b4cd..67b9696682 100644
--- a/sysdeps/sparc/sparc64/mul_1.S
+++ b/sysdeps/sparc/sparc64/mul_1.S
@@ -72,13 +72,12 @@ ENTRY(__mpn_mul_1)
 	addcc	%i0,%o0,%i0		! add cy_limb to low 64 bits of result
 	mov	0,%g5
 	movcs	%xcc,1,%g5
-	add	%o7,1,%o7
+	addcc	%o7,1,%o7
 	stx	%i0,[%o4+%g1]
-	brnz	%o7,.Loop
+	bne,pt	%xcc,.Loop
 	 add	%i1,%g5,%o0		! compute new cy_limb
 
-	mov	%o0,%i0
 	jmpl	%i7+8,%g0
-	 restore
+	 restore %o0,%g0,%o0
 
 END(__mpn_mul_1)
diff --git a/sysdeps/sparc/sparc64/rshift.S b/sysdeps/sparc/sparc64/rshift.S
index 51eb4af3ab..f43d25efe8 100644
--- a/sysdeps/sparc/sparc64/rshift.S
+++ b/sysdeps/sparc/sparc64/rshift.S
@@ -1,6 +1,6 @@
 /* SPARC v9 __mpn_rshift --
 
-   Copyright (C) 1996 Free Software Foundation, Inc.
+   Copyright (C) 1996, 1999 Free Software Foundation, Inc.
 
    This file is part of the GNU MP Library.
 
@@ -22,72 +22,69 @@
 #include <sysdep.h>
 
 /* INPUT PARAMETERS
-   res_ptr	%i0
-   src_ptr	%i1
-   size		%i2
-   cnt		%i3  */
+   res_ptr	%o0
+   src_ptr	%o1
+   size		%o2
+   cnt		%o3  */
 
 ENTRY(__mpn_rshift)
-	save	%sp, -192, %sp
-
-	ldx	[%i1],%g2	! load first limb
-	sub	%g0,%i3,%i5	! negate shift count
-	add	%i2,-1,%i2
-	and	%i2,4-1,%l4	! number of limbs in first loop
-	sllx	%g2,%i5,%g1	! compute function result
-	brz,pn	%l4,.L0		! if multiple of 4 limbs, skip first loop
-	mov	%g1,%l1
-
-	sub	%i2,%l4,%i2	! adjust count for main loop
-
-.Loop0:	ldx	[%i1+8],%g3
-	add	%i0,8,%i0
-	add	%i1,8,%i1
-	add	%l4,-1,%l4
-	srlx	%g2,%i3,%i4
-	sllx	%g3,%i5,%g1
+	ldx	[%o1],%g2	! load first limb
+	sub	%g0,%o3,%o5	! negate shift count
+	add	%o2,-1,%o2
+	andcc	%o2,4-1,%g4	! number of limbs in first loop
+	sllx	%g2,%o5,%g1	! compute function result
+	be,pn	%xcc,.L0	! if multiple of 4 limbs, skip first loop
+	 mov	%g1,%g5
+
+	sub	%o2,%g4,%o2	! adjust count for main loop
+
+.Loop0:	ldx	[%o1+8],%g3
+	add	%o0,8,%o0
+	add	%o1,8,%o1
+	srlx	%g2,%o3,%o4
+	addcc	%g4,-1,%g4
+	sllx	%g3,%o5,%g1
 	mov	%g3,%g2
-	or	%i4,%g1,%i4
-	brnz,pt	%l4,.Loop0
-	 stx	%i4,[%i0-8]
+	or	%o4,%g1,%o4
+	bne,pt	%xcc,.Loop0
+	 stx	%o4,[%o0-8]
 
-.L0:	brz,pn	%i2,.Lend
+.L0:	brz,pn	%o2,.Lend
 	 nop
 
-.Loop:	ldx	[%i1+8],%g3
-	add	%i0,32,%i0
-	add	%i2,-4,%i2
-	srlx	%g2,%i3,%i4
-	sllx	%g3,%i5,%g1
-
-	ldx	[%i1+16],%g2
-	srlx	%g3,%i3,%l4
-	or	%i4,%g1,%i4
-	stx	%i4,[%i0-32]
-	sllx	%g2,%i5,%g1
-
-	ldx	[%i1+24],%g3
-	srlx	%g2,%i3,%i4
-	or	%l4,%g1,%l4
-	stx	%l4,[%i0-24]
-	sllx	%g3,%i5,%g1
-
-	ldx	[%i1+32],%g2
-	srlx	%g3,%i3,%l4
-	or	%i4,%g1,%i4
-	stx	%i4,[%i0-16]
-	sllx	%g2,%i5,%g1
-
-	add	%i1,32,%i1
-	or	%l4,%g1,%l4
-	brnz	%i2,.Loop
-	 stx	%l4,[%i0-8]
-
-.Lend:	srlx	%g2,%i3,%g2
-	stx	%g2,[%i0-0]
-
-	mov	%l1,%i0
-	jmpl	%i7+8,%g0
-	 restore
+.Loop:	ldx	[%o1+8],%g3
+	add	%o0,32,%o0
+	srlx	%g2,%o3,%o4
+	addcc	%o2,-4,%o2
+	sllx	%g3,%o5,%g1
+
+	ldx	[%o1+16],%g2
+	srlx	%g3,%o3,%g4
+	or	%o4,%g1,%o4
+	stx	%o4,[%o0-32]
+	sllx	%g2,%o5,%g1
+
+	ldx	[%o1+24],%g3
+	srlx	%g2,%o3,%o4
+	or	%g4,%g1,%g4
+	stx	%g4,[%o0-24]
+	sllx	%g3,%o5,%g1
+
+	ldx	[%o1+32],%g2
+	srlx	%g3,%o3,%g4
+	or	%o4,%g1,%o4
+	stx	%o4,[%o0-16]
+	sllx	%g2,%o5,%g1
+
+	add	%o1,32,%o1
+	or	%g4,%g1,%g4
+	bne,pt	%xcc,.Loop
+	 stx	%g4,[%o0-8]
+
+.Lend:	srlx	%g2,%o3,%g2
+	stx	%g2,[%o0-0]
+
+	jmpl	%o7+8,%g0
+	 mov	%g5,%o0
 
 END(__mpn_rshift)
diff --git a/sysdeps/sparc/sparc64/submul_1.S b/sysdeps/sparc/sparc64/submul_1.S
index ce9a80464f..8f86916133 100644
--- a/sysdeps/sparc/sparc64/submul_1.S
+++ b/sysdeps/sparc/sparc64/submul_1.S
@@ -30,29 +30,26 @@
    s2_limb	o3  */
 
 ENTRY(__mpn_submul_1)
-	!#PROLOGUE#	0
 	save	%sp,-192,%sp
-	!#PROLOGUE#	1
 
 	sub	%g0,%i2,%o7
-	sllx	%o7,3,%g5
-	sub	%i1,%g5,%o3
-	sub	%i0,%g5,%o4
 	mov	0,%o0			! zero cy_limb
-
+	sllx	%o7,3,%o7
+	sethi	%hi(0x80000000),%o2
 	srl	%i3,0,%o1		! extract low 32 bits of s2_limb
+	sub	%i1,%o7,%o3
 	srlx	%i3,32,%i3		! extract high 32 bits of s2_limb
-	mov	1,%o2
-	sllx	%o2,32,%o2		! o2 = 0x100000000
+	sub	%i0,%o7,%o4
+	add	%o2,%o2,%o2		! o2 = 0x100000000
 
 	!   hi   !
              !  mid-1 !
              !  mid-2 !
 		 !   lo   !
-.Loop:
-	sllx	%o7,3,%g1
-	ldx	[%o3+%g1],%g5
+1:
+	ldx	[%o3+%o7],%g5
 	srl	%g5,0,%i0		! zero hi bits
+	ldx	[%o4+%o7],%l1
 	srlx	%g5,32,%g5
 	mulx	%o1,%i0,%i4		! lo product
 	mulx	%i3,%i0,%i1		! mid-1 product
@@ -63,25 +60,24 @@ ENTRY(__mpn_submul_1)
 	addcc	%i1,%l2,%i1		! add mid products
 	mov	0,%l0			! we need the carry from that add...
 	movcs	%xcc,%o2,%l0		! ...compute it and...
+	sllx	%i1,32,%i0		!  align low bits of mid product
 	add	%i5,%l0,%i5		! ...add to bit 32 of the hi product
-	sllx	%i1,32,%i0		! align low bits of mid product
 	srl	%i4,0,%g5		! zero high 32 bits of lo product
 	add	%i0,%g5,%i0		! combine into low 64 bits of result
 	srlx	%i1,32,%i1		! extract high bits of mid product...
+	addcc	%i0,%o0,%i0		!  add cy_limb to low 64 bits of result
 	add	%i5,%i1,%i1		! ...and add them to the high result
-	addcc	%i0,%o0,%i0		! add cy_limb to low 64 bits of result
 	mov	0,%g5
 	movcs	%xcc,1,%g5
-	add	%o7,1,%o7
-	ldx	[%o4+%g1],%l1
 	subcc	%l1,%i0,%i0
-	movcs	%xcc,1,%g5
-	stx	%i0,[%o4+%g1]
-	brnz	%o7,.Loop
+	stx	%i0,[%o4+%o7]
+	add	%g5,1,%l1
+	movcs	%xcc,%l1,%g5
+	addcc	%o7,8,%o7
+	bne,pt	%xcc,1b
 	 add	%i1,%g5,%o0		! compute new cy_limb
 
-	mov	%o0,%i0
-	jmpl	%i7+8,%g0
-	 restore
+	jmpl	%i7+8, %g0
+	 restore %o0,%g0,%o0
 
 END(__mpn_submul_1)
diff --git a/sysdeps/unix/sysv/linux/alpha/ioperm.c b/sysdeps/unix/sysv/linux/alpha/ioperm.c
index bd642e33c8..5b2edd0482 100644
--- a/sysdeps/unix/sysv/linux/alpha/ioperm.c
+++ b/sysdeps/unix/sysv/linux/alpha/ioperm.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992, 1996, 1997, 1998 Free Software Foundation, Inc.
+/* Copyright (C) 1992, 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by David Mosberger.
 
@@ -86,11 +86,21 @@
 #define TSUNAMI_IO_BASE		(0x00000801fc000000UL + 0xfffffc0000000000UL)
 #define TSUNAMI_DENSE_MEM	(0x0000080000000000UL + 0xfffffc0000000000UL)
 
+/* Polaris has SPARSE space, but we prefer to use only DENSE */
+/* because of some idiosyncracies in actually using SPARSE */
+#define POLARIS_IO_BASE		(0xfffffcf9fc000000UL)
+#define POLARIS_DENSE_MEM	(0xfffffcf900000000UL)
+
 typedef enum {
   IOSYS_UNKNOWN, IOSYS_JENSEN, IOSYS_APECS, IOSYS_CIA, IOSYS_T2,
-  IOSYS_TSUNAMI, IOSYS_MCPCIA, IOSYS_GAMMA, IOSYS_CPUDEP
+  IOSYS_TSUNAMI, IOSYS_MCPCIA, IOSYS_GAMMA, IOSYS_POLARIS,
+  IOSYS_CPUDEP, IOSYS_PCIDEP
 } iosys_t;
 
+typedef enum {