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-rw-r--r--sysdeps/generic/rpc/auth.h187
-rw-r--r--sysdeps/generic/rpc/auth_des.h46
-rw-r--r--sysdeps/generic/svc_auth.c117
-rw-r--r--sysdeps/mach/hurd/Dist9
-rw-r--r--sysdeps/mach/hurd/mips/Dist3
-rw-r--r--sysdeps/powerpc/Dist2
-rw-r--r--sysdeps/powerpc/add_n.s68
-rw-r--r--sysdeps/powerpc/addmul_1.s50
-rw-r--r--sysdeps/powerpc/lshift.s479
-rw-r--r--sysdeps/powerpc/memset.s202
-rw-r--r--sysdeps/powerpc/mul_1.s47
-rw-r--r--sysdeps/powerpc/rshift.s59
-rw-r--r--sysdeps/powerpc/strchr.s118
-rw-r--r--sysdeps/powerpc/strcmp.s273
-rw-r--r--sysdeps/powerpc/sub_n.s69
-rw-r--r--sysdeps/powerpc/submul_1.s52
-rw-r--r--sysdeps/sparc/Dist1
-rw-r--r--sysdeps/sparc/sparc32/Dist1
-rw-r--r--sysdeps/sparc/sparc32/sparcv8/Dist6
-rw-r--r--sysdeps/stub/des_impl.c27
-rw-r--r--sysdeps/unix/sysv/linux/mips/Dist1
-rw-r--r--sysdeps/unix/sysv/linux/sparc/Dist1
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc32/Dist1
23 files changed, 1466 insertions, 353 deletions
diff --git a/sysdeps/generic/rpc/auth.h b/sysdeps/generic/rpc/auth.h
deleted file mode 100644
index b4022853d5..0000000000
--- a/sysdeps/generic/rpc/auth.h
+++ /dev/null
@@ -1,187 +0,0 @@
-/* @(#)auth.h 2.3 88/08/07 4.0 RPCSRC; from 1.17 88/02/08 SMI */
-/*
- * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
- * unrestricted use provided that this legend is included on all tape
- * media and as a part of the software program in whole or part. Users
- * may copy or modify Sun RPC without charge, but are not authorized
- * to license or distribute it to anyone else except as part of a product or
- * program developed by the user.
- *
- * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
- * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
- *
- * Sun RPC is provided with no support and without any obligation on the
- * part of Sun Microsystems, Inc. to assist in its use, correction,
- * modification or enhancement.
- *
- * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
- * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
- * OR ANY PART THEREOF.
- *
- * In no event will Sun Microsystems, Inc. be liable for any lost revenue
- * or profits or other special, indirect and consequential damages, even if
- * Sun has been advised of the possibility of such damages.
- *
- * Sun Microsystems, Inc.
- * 2550 Garcia Avenue
- * Mountain View, California 94043
- */
-
-/*
- * auth.h, Authentication interface.
- *
- * Copyright (C) 1984, Sun Microsystems, Inc.
- *
- * The data structures are completely opaque to the client. The client
- * is required to pass a AUTH * to routines that create rpc
- * "sessions".
- */
-
-#ifndef _RPC_AUTH_H
-
-#define _RPC_AUTH_H 1
-#include <features.h>
-#include <sys/types.h>
-#include <rpc/types.h>
-#include <rpc/xdr.h>
-
-__BEGIN_DECLS
-
-#define MAX_AUTH_BYTES 400
-#define MAXNETNAMELEN 255 /* maximum length of network user's name */
-
-/*
- * Status returned from authentication check
- */
-enum auth_stat {
- AUTH_OK=0,
- /*
- * failed at remote end
- */
- AUTH_BADCRED=1, /* bogus credentials (seal broken) */
- AUTH_REJECTEDCRED=2, /* client should begin new session */
- AUTH_BADVERF=3, /* bogus verifier (seal broken) */
- AUTH_REJECTEDVERF=4, /* verifier expired or was replayed */
- AUTH_TOOWEAK=5, /* rejected due to security reasons */
- /*
- * failed locally
- */
- AUTH_INVALIDRESP=6, /* bogus response verifier */
- AUTH_FAILED=7 /* some unknown reason */
-};
-
-union des_block {
- struct {
- u_int32_t high;
- u_int32_t low;
- } key;
- char c[8];
-};
-typedef union des_block des_block;
-extern bool_t xdr_des_block __P ((XDR *__xdrs, des_block *__blkp));
-
-/*
- * Authentication info. Opaque to client.
- */
-struct opaque_auth {
- enum_t oa_flavor; /* flavor of auth */
- caddr_t oa_base; /* address of more auth stuff */
- u_int oa_length; /* not to exceed MAX_AUTH_BYTES */
-};
-
-/*
- * Auth handle, interface to client side authenticators.
- */
-typedef struct AUTH AUTH;
-struct AUTH {
- struct opaque_auth ah_cred;
- struct opaque_auth ah_verf;
- union des_block ah_key;
- struct auth_ops {
- void (*ah_nextverf) __P ((AUTH *));
- int (*ah_marshal) __P ((AUTH *, XDR *)); /* nextverf & serialize */
- int (*ah_validate) __P ((AUTH *, struct opaque_auth *));
- /* validate verifier */
- int (*ah_refresh) __P ((AUTH *)); /* refresh credentials */
- void (*ah_destroy) __P ((AUTH *)); /* destroy this structure */
- } *ah_ops;
- caddr_t ah_private;
-};
-
-
-/*
- * Authentication ops.
- * The ops and the auth handle provide the interface to the authenticators.
- *
- * AUTH *auth;
- * XDR *xdrs;
- * struct opaque_auth verf;
- */
-#define AUTH_NEXTVERF(auth) \
- ((*((auth)->ah_ops->ah_nextverf))(auth))
-#define auth_nextverf(auth) \
- ((*((auth)->ah_ops->ah_nextverf))(auth))
-
-#define AUTH_MARSHALL(auth, xdrs) \
- ((*((auth)->ah_ops->ah_marshal))(auth, xdrs))
-#define auth_marshall(auth, xdrs) \
- ((*((auth)->ah_ops->ah_marshal))(auth, xdrs))
-
-#define AUTH_VALIDATE(auth, verfp) \
- ((*((auth)->ah_ops->ah_validate))((auth), verfp))
-#define auth_validate(auth, verfp) \
- ((*((auth)->ah_ops->ah_validate))((auth), verfp))
-
-#define AUTH_REFRESH(auth) \
- ((*((auth)->ah_ops->ah_refresh))(auth))
-#define auth_refresh(auth) \
- ((*((auth)->ah_ops->ah_refresh))(auth))
-
-#define AUTH_DESTROY(auth) \
- ((*((auth)->ah_ops->ah_destroy))(auth))
-#define auth_destroy(auth) \
- ((*((auth)->ah_ops->ah_destroy))(auth))
-
-
-extern struct opaque_auth _null_auth;
-
-
-/*
- * These are the various implementations of client side authenticators.
- */
-
-/*
- * Unix style authentication
- * AUTH *authunix_create(machname, uid, gid, len, aup_gids)
- * char *machname;
- * int uid;
- * int gid;
- * int len;
- * int *aup_gids;
- */
-extern AUTH *authunix_create __P ((char *__machname, __uid_t __uid,
- __gid_t __gid, int __len,
- __gid_t *__aup_gids));
-extern AUTH *authunix_create_default __P ((void));
-extern AUTH *authnone_create __P ((void));
-extern AUTH *authdes_create __P ((char *__servername, u_int __window,
- struct sockaddr *__syncaddr,
- des_block *__ckey));
-
-#define AUTH_NONE 0 /* no authentication */
-#define AUTH_NULL 0 /* backward compatibility */
-#define AUTH_SYS 1 /* unix style (uid, gids) */
-#define AUTH_UNIX AUTH_SYS
-#define AUTH_SHORT 2 /* short hand unix style */
-#define AUTH_DES 3 /* des style (encrypted timestamps) */
-#define AUTH_KERB 4 /* kerberos style */
-
-/*
- * XDR an opaque authentication struct.
- */
-extern bool_t xdr_opaque_auth __P ((XDR *__xdrs, struct opaque_auth *__ap));
-
-__END_DECLS
-
-#endif /* rpc/auth.h */
diff --git a/sysdeps/generic/rpc/auth_des.h b/sysdeps/generic/rpc/auth_des.h
deleted file mode 100644
index 8c2f794691..0000000000
--- a/sysdeps/generic/rpc/auth_des.h
+++ /dev/null
@@ -1,46 +0,0 @@
-/* Copyright (C) 1996, 1997 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 Library General Public License as
- published by the Free Software Foundation; either version 2 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
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library; see the file COPYING.LIB. If not,
- write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
-
-#ifndef _RPC_AUTH_DES_H
-
-#define _RPC_AUTH_DES_H 1
-#include <sys/cdefs.h>
-
-__BEGIN_DECLS
-
-/* This is no complete version of this header. More definitions with
- the real authentication stuff will come in 1997. For now we only
- need to define the function for handling public keys. */
-
-
-/* Get the public key for NAME and place it in KEY. NAME can only be
- up to MAXNETNAMELEN bytes long and the destination buffer KEY should
- have HEXKEYBATES + 1 bytes long to fit all characters from the key. */
-extern int getpublickey __P ((__const char *__name, char *__key));
-
-/* Get the secret key for NAME and place it in KEY. PASSWD is used to
- decrypt the encrypted key stored in the database. NAME can only be
- up to MAXNETNAMELEN bytes long and the destination buffer KEY
- should have HEXKEYBATES + 1 bytes long to fit all characters from
- the key. */
-extern int getsecretkey __P ((__const char *__name, char *__key,
- __const char *__passwd));
-
-__END_DECLS
-
-#endif /* rpc/auth_des.h */
diff --git a/sysdeps/generic/svc_auth.c b/sysdeps/generic/svc_auth.c
deleted file mode 100644
index 9f7ed5eca6..0000000000
--- a/sysdeps/generic/svc_auth.c
+++ /dev/null
@@ -1,117 +0,0 @@
-/* @(#)svc_auth.c 2.4 88/08/15 4.0 RPCSRC */
-/*
- * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
- * unrestricted use provided that this legend is included on all tape
- * media and as a part of the software program in whole or part. Users
- * may copy or modify Sun RPC without charge, but are not authorized
- * to license or distribute it to anyone else except as part of a product or
- * program developed by the user.
- *
- * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
- * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
- *
- * Sun RPC is provided with no support and without any obligation on the
- * part of Sun Microsystems, Inc. to assist in its use, correction,
- * modification or enhancement.
- *
- * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
- * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
- * OR ANY PART THEREOF.
- *
- * In no event will Sun Microsystems, Inc. be liable for any lost revenue
- * or profits or other special, indirect and consequential damages, even if
- * Sun has been advised of the possibility of such damages.
- *
- * Sun Microsystems, Inc.
- * 2550 Garcia Avenue
- * Mountain View, California 94043
- */
-#if !defined(lint) && defined(SCCSIDS)
-static char sccsid[] = "@(#)svc_auth.c 1.19 87/08/11 Copyr 1984 Sun Micro";
-#endif
-
-/*
- * svc_auth.c, Server-side rpc authenticator interface.
- * *WITHOUT* DES authentication.
- *
- * Copyright (C) 1984, Sun Microsystems, Inc.
- */
-
-#include <rpc/rpc.h>
-#include <rpc/svc.h>
-#include <rpc/svc_auth.h>
-
-/*
- * svcauthsw is the bdevsw of server side authentication.
- *
- * Server side authenticators are called from authenticate by
- * using the client auth struct flavor field to index into svcauthsw.
- * The server auth flavors must implement a routine that looks
- * like:
- *
- * enum auth_stat
- * flavorx_auth(rqst, msg)
- * register struct svc_req *rqst;
- * register struct rpc_msg *msg;
- *
- */
-
-static enum auth_stat _svcauth_null (struct svc_req *, struct rpc_msg *);
- /* no authentication */
-extern enum auth_stat _svcauth_unix (struct svc_req *, struct rpc_msg *);
- /* unix style (uid, gids) */
-extern enum auth_stat _svcauth_short (struct svc_req *, struct rpc_msg *);
- /* short hand unix style */
-
-static const struct
- {
- enum auth_stat (*authenticator) (struct svc_req *, struct rpc_msg *);
- }
-svcauthsw[] =
-{
- { _svcauth_null }, /* AUTH_NULL */
- { _svcauth_unix }, /* AUTH_UNIX */
- { _svcauth_short } /* AUTH_SHORT */
-};
-#define AUTH_MAX 2 /* HIGHEST AUTH NUMBER */
-
-
-/*
- * The call rpc message, msg has been obtained from the wire. The msg contains
- * the raw form of credentials and verifiers. authenticate returns AUTH_OK
- * if the msg is successfully authenticated. If AUTH_OK then the routine also
- * does the following things:
- * set rqst->rq_xprt->verf to the appropriate response verifier;
- * sets rqst->rq_client_cred to the "cooked" form of the credentials.
- *
- * NB: rqst->rq_cxprt->verf must be pre-allocated;
- * its length is set appropriately.
- *
- * The caller still owns and is responsible for msg->u.cmb.cred and
- * msg->u.cmb.verf. The authentication system retains ownership of
- * rqst->rq_client_cred, the cooked credentials.
- *
- * There is an assumption that any flavour less than AUTH_NULL is
- * invalid.
- */
-enum auth_stat
-_authenticate (register struct svc_req *rqst, struct rpc_msg *msg)
-{
- register int cred_flavor;
-
- rqst->rq_cred = msg->rm_call.cb_cred;
- rqst->rq_xprt->xp_verf.oa_flavor = _null_auth.oa_flavor;
- rqst->rq_xprt->xp_verf.oa_length = 0;
- cred_flavor = rqst->rq_cred.oa_flavor;
- if ((cred_flavor <= AUTH_MAX) && (cred_flavor >= AUTH_NULL))
- return (*(svcauthsw[cred_flavor].authenticator)) (rqst, msg);
-
- return AUTH_REJECTEDCRED;
-}
-
-static enum auth_stat
-_svcauth_null (struct svc_req *rqst, struct rpc_msg *msg)
-{
- return AUTH_OK;
-}
diff --git a/sysdeps/mach/hurd/Dist b/sysdeps/mach/hurd/Dist
index e6067b8a73..084c314649 100644
--- a/sysdeps/mach/hurd/Dist
+++ b/sysdeps/mach/hurd/Dist
@@ -1,4 +1,11 @@
-errnos.awk err_hurd.sub
+errnos.awk
+err_hurd.sub
libc-ldscript
libc_p-ldscript
cthreads.c
+net/ethernet.h
+net/if.h
+net/if_arp.h
+net/if_ether.h
+net/if_ppp.h
+net/route.h
diff --git a/sysdeps/mach/hurd/mips/Dist b/sysdeps/mach/hurd/mips/Dist
new file mode 100644
index 0000000000..b6f3ffa4c3
--- /dev/null
+++ b/sysdeps/mach/hurd/mips/Dist
@@ -0,0 +1,3 @@
+longjmp-ctx.c
+init-fault.c
+dl-machine.c
diff --git a/sysdeps/powerpc/Dist b/sysdeps/powerpc/Dist
index 282cf1394e..a3de7b3c96 100644
--- a/sysdeps/powerpc/Dist
+++ b/sysdeps/powerpc/Dist
@@ -1,3 +1,5 @@
fenv_const.c
fenv_libc.h
quad_float.h
+fe_nomask.c
+t_sqrt.c
diff --git a/sysdeps/powerpc/add_n.s b/sysdeps/powerpc/add_n.s
new file mode 100644
index 0000000000..609f0a502a
--- /dev/null
+++ b/sysdeps/powerpc/add_n.s
@@ -0,0 +1,68 @@
+ # Add two limb vectors of equal, non-zero length for PowerPC.
+ # Copyright (C) 1997 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 Library General Public License as
+ # published by the Free Software Foundation; either version 2 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
+ # Library General Public License for more details.
+ #
+ # You should have received a copy of the GNU Library General Public
+ # License along with the GNU C Library; see the file COPYING.LIB. If not,
+ # write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ # Boston, MA 02111-1307, USA.
+
+ # mp_limb_t mpn_add_n (mp_ptr res_ptr, mp_srcptr s1_ptr, mp_srcptr s2_ptr,
+ # mp_size_t size)
+ # Calculate s1+s2 and put result in res_ptr; return carry, 0 or 1.
+
+ # Note on optimisation: This code is optimal for the 601. Almost every other
+ # possible 2-unrolled inner loop will not be. Also, watch out for the
+ # alignment...
+
+ .align 3
+ .globl __mpn_add_n
+ .type __mpn_add_n,@function
+__mpn_add_n:
+ # Set up for loop below.
+ mtcrf 0x01,%r6
+ srwi. %r7,%r6,1
+ li %r10,0
+ mtctr %r7
+ bt 31,2f
+
+ # Clear the carry.
+ addic %r0,%r0,0
+ # Adjust pointers for loop.
+ addi %r3,%r3,-4
+ addi %r4,%r4,-4
+ addi %r5,%r5,-4
+ b 0f
+
+2: lwz %r7,0(%r5)
+ lwz %r6,0(%r4)
+ addc %r6,%r6,%r7
+ stw %r6,0(%r3)
+ beq 1f
+
+ # The loop.
+
+ # Align start of loop to an odd word boundary to guarantee that the
+ # last two words can be fetched in one access (for 601).
+0: lwz %r9,4(%r4)
+ lwz %r8,4(%r5)
+ lwzu %r6,8(%r4)
+ lwzu %r7,8(%r5)
+ adde %r8,%r9,%r8
+ stw %r8,4(%r3)
+ adde %r6,%r6,%r7
+ stwu %r6,8(%r3)
+ bdnz 0b
+ # return the carry
+1: addze %r3,%r10
+ blr
diff --git a/sysdeps/powerpc/addmul_1.s b/sysdeps/powerpc/addmul_1.s
new file mode 100644
index 0000000000..cf8fd2a555
--- /dev/null
+++ b/sysdeps/powerpc/addmul_1.s
@@ -0,0 +1,50 @@
+ # Multiply a limb vector by a single limb, for PowerPC.
+ # Copyright (C) 1993, 1994, 1995, 1997 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 Library General Public License as
+ # published by the Free Software Foundation; either version 2 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
+ # Library General Public License for more details.
+ #
+ # You should have received a copy of the GNU Library General Public
+ # License along with the GNU C Library; see the file COPYING.LIB. If not,
+ # write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ # Boston, MA 02111-1307, USA.
+
+ # mp_limb_t mpn_addmul_1 (mp_ptr res_ptr, mp_srcptr s1_ptr,
+ # mp_size_t s1_size, mp_limb_t s2_limb)
+ # Calculate res+s1*s2 and put result back in res; return carry.
+
+ .align 2
+ .globl __mpn_addmul_1
+ .type __mpn_addmul_1,@function
+__mpn_addmul_1:
+ mtctr %r5
+
+ lwz %r0,0(%r4)
+ mullw %r7,%r0,%r6
+ mulhwu %r10,%r0,%r6
+ lwz %r9,0(%r3)
+ addc %r8,%r7,%r9
+ addi %r3,%r3,-4 # adjust res_ptr
+ bdz Lend
+
+Loop: lwzu %r0,4(%r4)
+ stwu %r8,4(%r3)
+ mullw %r8,%r0,%r6
+ adde %r7,%r8,%r10
+ mulhwu %r10,%r0,%r6
+ lwz %r9,4(%r3)
+ addze %r10,%r10
+ addc %r8,%r7,%r9
+ bdnz Loop
+
+Lend: stw %r8,4(%r3)
+ addze %r3,%r10
+ blr
diff --git a/sysdeps/powerpc/lshift.s b/sysdeps/powerpc/lshift.s
new file mode 100644
index 0000000000..9612a3dbec
--- /dev/null
+++ b/sysdeps/powerpc/lshift.s
@@ -0,0 +1,479 @@
+ # Shift a limb left, low level routine.
+ # Copyright (C) 1996, 1997 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 Library General Public License as
+ # published by the Free Software Foundation; either version 2 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
+ # Library General Public License for more details.
+ #
+ # You should have received a copy of the GNU Library General Public
+ # License along with the GNU C Library; see the file COPYING.LIB. If not,
+ # write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ # Boston, MA 02111-1307, USA.
+
+ # mp_limb_t mpn_lshift (mp_ptr wp, mp_srcptr up, mp_size_t usize,
+ # unsigned int cnt)
+
+ .align 3
+ .globl __mpn_lshift
+ .type __mpn_lshift,@function
+__mpn_lshift:
+ mtctr %r5 # copy size into CTR
+ cmplwi %cr0,%r5,16 # is size < 16
+ slwi %r0,%r5,2
+ add %r7,%r3,%r0 # make r7 point at end of res
+ add %r4,%r4,%r0 # make r4 point at end of s1
+ lwzu %r11,-4(%r4) # load first s1 limb
+ subfic %r8,%r6,32
+ srw %r3,%r11,%r8 # compute function return value
+ bge %cr0,Lbig # branch if size >= 16
+
+ bdz Lend1
+
+Loop: lwzu %r10,-4(%r4)
+ slw %r9,%r11,%r6
+ srw %r12,%r10,%r8
+ or %r9,%r9,%r12
+ stwu %r9,-4(%r7)
+ bdz Lend2
+ lwzu %r11,-4(%r4)
+ slw %r9,%r10,%r6
+ srw %r12,%r11,%r8
+ or %r9,%r9,%r12
+ stwu %r9,-4(%r7)
+ bdnz Loop
+ b Lend1
+
+ # Guaranteed not to succeed.
+LBoom: tweq %r0,%r0
+
+ # We imitate a case statement, by using (yuk!) fixed-length code chunks,
+ # of size 4*12 bytes. We have to do this (or something) to make this PIC.
+Lbig: mflr %r9
+ bltl %cr0,LBoom # Never taken, only used to set LR.
+ slwi %r10,%r6,4
+ mflr %r12
+ add %r10,%r12,%r10
+ slwi %r8,%r6,5
+ add %r10,%r8,%r10
+ mtctr %r10
+ addi %r5,%r5,-1
+ mtlr %r9
+ bctr
+
+Lend1: slw %r0,%r11,%r6
+ stw %r0,-4(%r7)
+ blr
+
+ mtctr %r5
+Loop1: lwzu %r10,-4(%r4)
+ slwi %r9,%r11,1
+ inslwi %r9,%r10,1,31
+ stwu %r9,-4(%r7)
+ bdz Lend2
+ lwzu %r11,-4(%r4)
+ slwi %r9,%r10,1
+ inslwi %r9,%r11,1,31
+ stwu %r9,-4(%r7)
+ bdnz Loop1
+ b Lend1
+
+ mtctr %r5
+Loop2: lwzu %r10,-4(%r4)
+ slwi %r9,%r11,2
+ inslwi %r9,%r10,2,30
+ stwu %r9,-4(%r7)
+ bdz Lend2
+ lwzu %r11,-4(%r4)
+ slwi %r9,%r10,2
+ inslwi %r9,%r11,2,30
+ stwu %r9,-4(%r7)
+ bdnz Loop2
+ b Lend1
+
+ mtctr %r5
+Loop3: lwzu %r10,-4(%r4)
+ slwi %r9,%r11,3
+ inslwi %r9,%r10,3,29
+ stwu %r9,-4(%r7)
+ bdz Lend2
+ lwzu %r11,-4(%r4)
+ slwi %r9,%r10,3
+ inslwi %r9,%r11,3,29
+ stwu %r9,-4(%r7)
+ bdnz Loop3
+ b Lend1
+
+ mtctr %r5
+Loop4: lwzu %r10,-4(%r4)
+ slwi %r9,%r11,4
+ inslwi %r9,%r10,4,28
+ stwu %r9,-4(%r7)
+ bdz Lend2
+ lwzu %r11,-4(%r4)
+ slwi %r9,%r10,4
+ inslwi %r9,%r11,4,28
+ stwu %r9,-4(%r7)
+ bdnz Loop4
+ b Lend1
+
+ mtctr %r5
+Loop5: lwzu %r10,-4(%r4)
+ slwi %r9,%r11,5
+ inslwi %r9,%r10,5,27
+ stwu %r9,-4(%r7)
+ bdz Lend2
+ lwzu %r11,-4(%r4)
+ slwi %r9,%r10,5
+ inslwi %r9,%r11,5,27
+ stwu %r9,-4(%r7)
+ bdnz Loop5
+ b Lend1
+
+ mtctr %r5
+Loop6: lwzu %r10,-4(%r4)
+ slwi %r9,%r11,6
+ inslwi %r9,%r10,6,26
+ stwu %r9,-4(%r7)
+ bdz Lend2
+ lwzu %r11,-4(%r4)
+ slwi %r9,%r10,6
+ inslwi %r9,%r11,6,26
+ stwu %r9,-4(%r7)
+ bdnz Loop6
+ b Lend1
+
+ mtctr %r5
+Loop7: lwzu %r10,-4(%r4)
+ slwi %r9,%r11,7
+ inslwi %r9,%r10,7,25
+ stwu %r9,-4(%r7)
+ bdz Lend2
+ lwzu %r11,-4(%r4)
+ slwi %r9,%r10,7
+ inslwi %r9,%r11,7,25
+ stwu %r9,-4(%r7)
+ bdnz Loop7
+ b Lend1
+
+ mtctr %r5
+Loop8: lwzu %r10,-4(%r4)
+ slwi %r9,%r11,8
+ inslwi %r9,%r10,8,24
+ stwu %r9,-4(%r7)
+ bdz Lend2
+ lwzu %r11,-4(%r4)
+ slwi %r9,%r10,8
+ inslwi %r9,%r11,8,24
+ stwu %r9,-4(%r7)
+ bdnz Loop8
+ b Lend1
+
+ mtctr %r5
+Loop9: lwzu %r10,-4(%r4)
+ slwi %r9,%r11,9
+ inslwi %r9,%r10,9,23
+ stwu %r9,-4(%r7)
+ bdz Lend2
+ lwzu %r11,-4(%r4)
+ slwi %r9,%r10,9
+ inslwi %r9,%r11,9,23
+ stwu %r9,-4(%r7)
+ bdnz Loop9
+ b Lend1
+
+ mtctr %r5
+Loop10: lwzu %r10,-4(%r4)
+ slwi %r9,%r11,10
+ inslwi %r9,%r10,10,22
+ stwu %r9,-4(%r7)
+ bdz Lend2
+ lwzu %r11,-4(%r4)
+ slwi %r9,%r10,10
+ inslwi %r9,%r11,10,22
+ stwu %r9,-4(%r7)
+ bdnz Loop10
+ b Lend1
+
+ mtctr %r5
+Loop11: lwzu %r10,-4(%r4)
+ slwi %r9,%r11,11
+ inslwi %r9,%r10,11,21
+ stwu %r9,-4(%r7)
+ bdz Lend2
+ lwzu %r11,-4(%r4)
+ slwi %r9,%r10,11
+ inslwi %r9,%r11,11,21
+ stwu %r9,-4(%r7)
+ bdnz Loop11
+ b Lend1
+
+ mtctr %r5
+Loop12: lwzu %r10,-4(%r4)
+ slwi %r9,%r11,12
+ inslwi %r9,%r10,12,20
+ stwu %r9,-4(%r7)
+ bdz Lend2
+ lwzu %r11,-4(%r4)
+ slwi %r9,%r10,12
+ inslwi %r9,%r11,12,20
+ stwu %r9,-4(%r7)
+ bdnz Loop12
+ b Lend1
+
+ mtctr %r5
+Loop13: lwzu %r10,-4(%r4)
+ slwi %r9,%r11,13
+ inslwi %r9,%r10,13,19
+ stwu %r9,-4(%r7)
+ bdz Lend2
+ lwzu %r11,-4(%r4)
+ slwi %r9,%r10,13
+ inslwi %r9,%r11,13,19
+ stwu %r9,-4(%r7)
+ bdnz Loop13
+ b Lend1
+
+ mtctr %r5
+Loop14: lwzu %r10,-4(%r4)
+ slwi %r9,%r11,14
+ inslwi %r9,%r10,14,18
+ stwu %r9,-4(%r7)
+ bdz Lend2
+ lwzu %r11,-4(%r4)
+ slwi %r9,%r10,14
+ inslwi %r9,%r11,14,18
+ stwu %r9,-4(%r7)
+ bdnz Loop14
+ b Lend1
+
+ mtctr %r5
+Loop15: lwzu %r10,-4(%r4)
+ slwi %r9,%r11,15
+ inslwi %r9,%r10,15,17
+ stwu %r9,-4(%r7)
+ bdz Lend2
+ lwzu %r11,-4(%r4)
+ slwi %r9,%r10,15
+ inslwi %r9,%r11,15,17
+ stwu %r9,-4(%r7)
+ bdnz Loop15
+ b Lend1
+
+ mtctr %r5
+Loop16: lwzu %r10,-4(%r4)
+ slwi %r9,%r11,16
+ inslwi %r9,%r10,16,16
+ stwu %r9,-4(%r7)
+ bdz Lend2
+ lwzu %r11,-4(%r4)
+ slwi %r9,%r10,16
+ inslwi %r9,%r11,16,16
+ stwu %r9,-4(%r7)
+ bdnz Loop16
+ b Lend1
+
+ mtctr %r5
+Loop17: lwzu %r10,-4(%r4)
+ slwi %r9,%r11,17
+ inslwi %r9,%r10,17,15
+ stwu %r9,-4(%r7)
+ bdz Lend2
+ lwzu %r11,-4(%r4)
+ slwi %r9,%r10,17
+ inslwi %r9,%r11,17,15
+ stwu %r9,-4(%r7)
+ bdnz Loop17
+ b Lend1
+
+ mtctr %r5
+Loop18: lwzu %r10,-4(%r4)
+ slwi %r9,%r11,18
+ inslwi %r9,%r10,18,14
+ stwu %r9,-4(%r7)
+ bdz Lend2
+ lwzu %r11,-4(%r4)
+ slwi %r9,%r10,18
+ inslwi %r9,%r11,18,14
+ stwu %r9,-4(%r7)
+ bdnz Loop18
+ b Lend1
+
+ mtctr %r5
+Loop19: lwzu %r10,-4(%r4)
+ slwi %r9,%r11,19
+ inslwi %r9,%r10,19,13
+ stwu %r9,-4(%r7)
+ bdz Lend2
+ lwzu %r11,-4(%r4)
+ slwi %r9,%r10,19
+ inslwi %r9,%r11,19,13
+ stwu %r9,-4(%r7)
+ bdnz Loop19
+ b Lend1
+
+ mtctr %r5
+Loop20: lwzu %r10,-4(%r4)
+ slwi %r9,%r11,20
+ inslwi %r9,%r10,20,12
+ stwu %r9,-4(%r7)
+ bdz Lend2
+ lwzu %r11,-4(%r4)
+ slwi %r9,%r10,20
+ inslwi %r9,%r11,20,12
+ stwu %r9,-4(%r7)
+ bdnz Loop20
+ b Lend1
+
+ mtctr %r5
+Loop21: lwzu %r10,-4(%r4)
+ slwi %r9,%r11,21
+ inslwi %r9,%r10,21,11
+ stwu %r9,-4(%r7)
+ bdz Lend2
+ lwzu %r11,-4(%r4)
+ slwi %r9,%r10,21
+ inslwi %r9,%r11,21,11
+ stwu %r9,-4(%r7)
+ bdnz Loop21
+ b Lend1
+
+ mtctr %r5
+Loop22: lwzu %r10,-4(%r4)
+ slwi %r9,%r11,22
+ inslwi %r9,%r10,22,10
+ stwu %r9,-4(%r7)
+ bdz Lend2
+ lwzu %r11,-4(%r4)
+ slwi %r9,%r10,22
+ inslwi %r9,%r11,22,10
+ stwu %r9,-4(%r7)
+ bdnz Loop22
+ b Lend1
+
+ mtctr %r5
+Loop23: lwzu %r10,-4(%r4)
+ slwi %r9,%r11,23
+ inslwi %r9,%r10,23,9
+ stwu %r9,-4(%r7)
+ bdz Lend2
+ lwzu %r11,-4(%r4)
+ slwi %r9,%r10,23
+ inslwi %r9,%r11,23,9
+ stwu %r9,-4(%r7)
+ bdnz Loop23
+ b Lend1
+
+ mtctr %r5
+Loop24: lwzu %r10,-4(%r4)
+ slwi %r9,%r11,24
+ inslwi %r9,%r10,24,8
+ stwu %r9,-4(%r7)
+ bdz Lend2
+ lwzu %r11,-4(%r4)
+ slwi %r9,%r10,24
+ inslwi %r9,%r11,24,8
+ stwu %r9,-4(%r7)
+ bdnz Loop24
+ b Lend1
+
+ mtctr %r5
+Loop25: lwzu %r10,-4(%r4)
+ slwi %r9,%r11,25
+ inslwi %r9,%r10,25,7
+ stwu %r9,-4(%r7)
+ bdz Lend2
+ lwzu %r11,-4(%r4)
+ slwi %r9,%r10,25
+ inslwi %r9,%r11,25,7
+ stwu %r9,-4(%r7)
+ bdnz Loop25
+ b Lend1
+
+ mtctr %r5
+Loop26: lwzu %r10,-4(%r4)
+ slwi %r9,%r11,26
+ inslwi %r9,%r10,26,6
+ stwu %r9,-4(%r7)
+ bdz Lend2
+ lwzu %r11,-4(%r4)
+ slwi %r9,%r10,26
+ inslwi %r9,%r11,26,6
+ stwu %r9,-4(%r7)
+ bdnz Loop26
+ b Lend1
+
+ mtctr %r5
+Loop27: lwzu %r10,-4(%r4)
+ slwi %r9,%r11,27
+ inslwi %r9,%r10,27,5
+ stwu %r9,-4(%r7)
+ bdz Lend2
+ lwzu %r11,-4(%r4)
+ slwi %r9,%r10,27
+ inslwi %r9,%r11,27,5
+ stwu %r9,-4(%r7)
+ bdnz Loop27
+ b Lend1
+
+ mtctr %r5
+Loop28: lwzu %r10,-4(%r4)
+ slwi %r9,%r11,28
+ inslwi %r9,%r10,28,4
+ stwu %r9,-4(%r7)
+ bdz Lend2
+ lwzu %r11,-4(%r4)
+ slwi %r9,%r10,28
+ inslwi %r9,%r11,28,4
+ stwu %r9,-4(%r7)
+ bdnz Loop28
+ b Lend1
+
+ mtctr %r5
+Loop29: lwzu %r10,-4(%r4)
+ slwi %r9,%r11,29
+ inslwi %r9,%r10,29,3
+ stwu %r9,-4(%r7)
+ bdz Lend2
+ lwzu %r11,-4(%r4)
+ slwi %r9,%r10,29
+ inslwi %r9,%r11,29,3
+ stwu %r9,-4(%r7)
+ bdnz Loop29
+ b Lend1
+
+ mtctr %r5
+Loop30: lwzu %r10,-4(%r4)
+ slwi %r9,%r11,30
+ inslwi %r9,%r10,30,2
+ stwu %r9,-4(%r7)
+ bdz Lend2
+ lwzu %r11,-4(%r4)
+ slwi %r9,%r10,30
+ inslwi %r9,%r11,30,2
+ stwu %r9,-4(%r7)
+ bdnz Loop30
+ b Lend1
+
+ mtctr %r5
+Loop31: lwzu %r10,-4(%r4)
+ slwi %r9,%r11,31
+ inslwi %r9,%r10,31,1
+ stwu %r9,-4(%r7)
+ bdz Lend2
+ lwzu %r11,-4(%r4)
+ slwi %r9,%r10,31
+ inslwi %r9,%r11,31,1
+ stwu %r9,-4(%r7)
+ bdnz Loop31
+ b Lend1
+
+Lend2: slw %r0,%r10,%r6
+ stw %r0,-4(%r7)
+ blr
diff --git a/sysdeps/powerpc/memset.s b/sysdeps/powerpc/memset.s
new file mode 100644
index 0000000000..4c8bf8c6b4
--- /dev/null
+++ b/sysdeps/powerpc/memset.s
@@ -0,0 +1,202 @@
+ # Optimized memset implementation for PowerPC.
+ # Copyright (C) 1997 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 Library General Public License as
+ # published by the Free Software Foundation; either version 2 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
+ # Library General Public License for more details.
+ #
+ # You should have received a copy of the GNU Library General Public
+ # License along with the GNU C Library; see the file COPYING.LIB. If not,
+ # write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ # Boston, MA 02111-1307, USA.
+
+ .section ".text"
+ .align 5
+ nop
+
+ .globl memset
+ .type memset,@function
+memset:
+ # __ptr_t [r3] memset (__ptr_t s [r3], int c [r4], size_t n [r5]));
+ # Returns 's'.
+
+ # The memset is done in three sizes: byte (8 bits), word (32 bits),
+ # cache line (256 bits). There is a special case for setting cache lines
+ # to 0, to take advantage of the dcbz instruction.
+ # r6: current address we are storing at
+ # r7: number of bytes we are setting now (when aligning)
+
+ # take care of case for size <= 4
+ cmplwi %cr1,%r5,4
+ andi. %r7,%r3,3
+ mr %r6,%r3
+ ble- %cr1,small
+ # align to word boundary
+ cmplwi %cr5,%r5,31
+ rlwimi %r4,%r4,8,16,23
+ beq+ aligned # 8th instruction from .align
+ mtcrf 0x01,%r3
+ subfic %r7,%r7,4
+ add %r6,%r6,%r7
+ sub %r5,%r5,%r7
+ bf+ 31,0f
+ stb %r4,0(%r3)
+ bt 30,aligned
+0: sth %r4,-2(%r6) # 16th instruction from .align
+ # take care of case for size < 31
+aligned:
+ mtcrf 0x01,%r5
+ rlwimi %r4,%r4,16,0,15
+ ble %cr5,medium
+ # align to cache line boundary...
+ andi. %r7,%r6,0x1C
+ subfic %r7,%r7,0x20
+ beq caligned
+ mtcrf 0x01,%r7
+ add %r6,%r6,%r7
+ sub %r5,%r5,%r7
+ cmplwi %cr1,%r7,0x10
+ mr %r8,%r6
+ bf 28,1f
+ stw %r4,-4(%r8)
+ stwu %r4,-8(%r8)
+1: blt %cr1,2f
+ stw %r4,-4(%r8) # 32nd instruction from .align
+ stw %r4,-8(%r8)
+ stw %r4,-12(%r8)
+ stwu %r4,-16(%r8)
+2: bf 29,caligned
+ stw %r4,-4(%r8)
+ # now aligned to a cache line.
+caligned:
+ cmplwi %cr1,%r4,0
+ clrrwi. %r7,%r5,5
+ mtcrf 0x01,%r5 # 40th instruction from .align
+ beq %cr1,zloopstart # special case for clearing memory using dcbz
+ srwi %r0,%r7,5
+ mtctr %r0
+ beq medium # we may not actually get to do a full line
+ clrlwi. %r5,%r5,27
+ add %r6,%r6,%r7
+0: li %r8,-0x40
+ bdz cloopdone # 48th instruction from .align
+
+cloop: dcbz %r8,%r6
+ stw %r4,-4(%r6)
+ stw %r4,-8(%r6)
+ stw %r4,-12(%r6)
+ stw %r4,-16(%r6)
+ nop # let 601 fetch last 4 instructions of loop
+ stw %r4,-20(%r6)
+ stw %r4,-24(%r6) # 56th instruction from .align
+ nop # let 601 fetch first 8 instructions of loop
+ stw %r4,-28(%r6)
+ stwu %r4,-32(%r6)
+ bdnz cloop
+cloopdone:
+ stw %r4,-4(%r6)
+ stw %r4,-8(%r6)
+ stw %r4,-12(%r6)
+ stw %r4,-16(%r6) # 64th instruction from .align
+ stw %r4,-20(%r6)
+ cmplwi %cr1,%r5,16
+ stw %r4,-24(%r6)
+ stw %r4,-28(%r6)
+ stwu %r4,-32(%r6)
+ beqlr
+ add %r6,%r6,%r7
+ b medium_tail2 # 72nd instruction from .align
+
+ .align 5
+ nop
+# clear lines of memory in 128-byte chunks.
+zloopstart:
+ clrlwi %r5,%r5,27
+ mtcrf 0x02,%r7
+ srwi. %r0,%r7,7
+ mtctr %r0
+ li %r7,0x20
+ li %r8,-0x40
+ cmplwi %cr1,%r5,16 # 8
+ bf 26,0f
+ dcbz 0,%r6
+ addi %r6,%r6,0x20
+0: li %r9,-0x20
+ bf 25,1f
+ dcbz 0,%r6
+ dcbz %r7,%r6
+ addi %r6,%r6,0x40 # 16
+1: cmplwi %cr5,%r5,0
+ beq medium
+zloop:
+ dcbz 0,%r6
+ dcbz %r7,%r6
+ addi %r6,%r6,0x80
+ dcbz %r8,%r6
+ dcbz %r9,%r6
+ bdnz zloop
+ beqlr %cr5
+ b medium_tail2
+
+ .align 5
+small:
+ # Memset of 4 bytes or less.
+ cmplwi %cr5,%r5,1
+ cmplwi %cr1,%r5,3
+ bltlr %cr5
+ stb %r4,0(%r6)
+ beqlr %cr5
+ nop
+ stb %r4,1(%r6)
+ bltlr %cr1
+ stb %r4,2(%r6)
+ beqlr %cr1
+ nop
+ stb %r4,3(%r6)
+ blr
+
+# memset of 0-31 bytes
+ .align 5
+medium:
+ cmplwi %cr1,%r5,16
+medium_tail2:
+ add %r6,%r6,%r5
+medium_tail:
+ bt- 31,medium_31t
+ bt- 30,medium_30t
+medium_30f:
+ bt- 29,medium_29t
+medium_29f:
+ bge- %cr1,medium_27t
+ bflr- 28
+ stw %r4,-4(%r6) # 8th instruction from .align
+ stw %r4,-8(%r6)
+ blr
+
+medium_31t:
+ stbu %r4,-1(%r6)
+ bf- 30,medium_30f
+medium_30t:
+ sthu %r4,-2(%r6)
+ bf- 29,medium_29f
+medium_29t:
+ stwu %r4,-4(%r6)
+ blt- %cr1,medium_27f # 16th instruction from .align
+medium_27t:
+ stw %r4,-4(%r6)
+ stw %r4,-8(%r6)
+ stw %r4,-12(%r6)
+ stwu %r4,-16(%r6)
+medium_27f:
+ bflr- 28
+medium_28t:
+ stw %r4,-4(%r6)
+ stw %r4,-8(%r6)
+ blr
diff --git a/sysdeps/powerpc/mul_1.s b/sysdeps/powerpc/mul_1.s
new file mode 100644
index 0000000000..d6eb623bd4
--- /dev/null
+++ b/sysdeps/powerpc/mul_1.s
@@ -0,0 +1,47 @@
+ # Multiply a limb vector by a limb, for PowerPC.
+ # Copyright (C) 1993, 1994, 1995, 1997 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 Library General Public License as
+ # published by the Free Software Foundation; either version 2 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
+ # Library General Public License for more details.
+ #
+ # You should have received a copy of the GNU Library General Public
+ # License along with the GNU C Library; see the file COPYING.LIB. If not,
+ # write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ # Boston, MA 02111-1307, USA.
+
+ # mp_limb_t mpn_mul_1 (mp_ptr res_ptr, mp_srcptr s1_ptr,
+ # mp_size_t s1_size, mp_limb_t s2_limb)
+ # Calculate s1*s2 and put result in res_ptr; return carry.
+
+ .align 2
+ .globl __mpn_mul_1
+ .type __mpn_mul_1,@function
+
+__mpn_mul_1:
+ mtctr %r5
+
+ lwz %r0,0(%r4)
+ mullw %r7,%r0,%r6
+ mulhwu %r10,%r0,%r6
+ addi %r3,%r3,-4 # adjust res_ptr
+ addic %r5,%r5,0 # clear cy with dummy insn
+ bdz Lend
+
+Loop: lwzu %r0,4(%r4)
+ stwu %r7,4(%r3)
+ mullw %r8,%r0,%r6
+ adde %r7,%r8,%r10
+ mulhwu %r10,%r0,%r6
+ bdnz Loop
+
+Lend: stw %r7,4(%r3)
+ addze %r3,%r10
+ blr
diff --git a/sysdeps/powerpc/rshift.s b/sysdeps/powerpc/rshift.s
new file mode 100644
index 0000000000..20f09ad86a
--- /dev/null
+++ b/sysdeps/powerpc/rshift.s
@@ -0,0 +1,59 @@
+# PowerPC-32 __mpn_rshift --
+
+# Copyright (C) 1995 Free Software Foundation, Inc.
+
+# This file is part of the GNU MP Library.
+
+# The GNU MP Library is free software; you can redistribute it and/or modify
+# it under the terms of the GNU Library General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or (at your
+# option) any later version.
+
+# The GNU MP 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 Library General Public
+# License for more details.
+
+# You should have received a copy of the GNU Library General Public License
+# along with the GNU MP Library; see the file COPYING.LIB. If not, write to
+# the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+# MA 02111-1307, USA.
+
+
+# INPUT PARAMETERS
+# res_ptr r3
+# s1_ptr r4
+# size r5
+# cnt r6
+
+ .align 3
+ .globl __mpn_rshift
+ .type __mpn_rshift,@function
+__mpn_rshift:
+ mtctr 5 # copy size into CTR
+ addi 7,3,-4 # move adjusted res_ptr to free return reg
+ subfic 8,6,32
+ lwz 11,0(4) # load first s1 limb
+ slw 3,11,8 # compute function return value
+ bdz Lend1
+
+Loop: lwzu 10,4(4)
+ srw 9,11,6
+ slw 12,10,8
+ or 9,9,12
+ stwu 9,4(7)
+ bdz Lend2
+ lwzu 11,4(4)
+ srw 9,10,6
+ slw 12,11,8
+ or 9,9,12
+ stwu 9,4(7)
+ bdnz Loop
+
+Lend1: srw 0,11,6
+ stw 0,4(7)
+ blr
+
+Lend2: srw 0,10,6
+ stw 0,4(7)
+ blr
diff --git a/sysdeps/powerpc/strchr.s b/sysdeps/powerpc/strchr.s
new file mode 100644
index 0000000000..c1df66f8dc
--- /dev/null
+++ b/sysdeps/powerpc/strchr.s
@@ -0,0 +1,118 @@
+ # Optimized strchr implementation for PowerPC.
+ # Copyright (C) 1997 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 Library General Public License as
+ # published by the Free Software Foundation; either version 2 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
+ # Library General Public License for more details.
+ #
+ # You should have received a copy of the GNU Library General Public
+ # License along with the GNU C Library; see the file COPYING.LIB. If not,
+ # write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ # Boston, MA 02111-1307, USA.
+
+ # See strlen.s for comments on how this works.
+
+ .section ".text"
+ .align 2
+ .globl strchr
+ .type strchr,@function
+strchr:
+ # char * [r3] strchr (const char *s [r3] , int c [r4] )
+
+ # r0: a temporary
+ # r3: our return result.
+ # r4: byte we're looking for, spread over the whole word
+ # r5: the current word
+ # r6: the constant 0xfefefeff (-0x01010101)
+ # r7: the constant 0x7f7f7f7f
+ # r8: pointer to the current word.
+ # r9: a temporary
+ # r10: the number of bits we should ignore in the first word
+ # r11: a mask with the bits to ignore set to 0
+ # r12: a temporary
+
+ rlwimi %r4,%r4,8,16,23
+ li %r11,-1
+ rlwimi %r4,%r4,16,0,15
+ lis %r6,0xfeff
+ lis %r7,0x7f7f
+ clrrwi %r8,%r3,2
+ addi %r7,%r7,0x7f7f
+ addi %r6,%r6,0xfffffeff
+ rlwinm %r10,%r3,3,27,28
+ # Test the first (partial?) word.
+ lwz %r5,0(%r8)
+ srw %r11,%r11,%r10
+ orc %r5,%r5,%r11
+ add %r0,%r6,%r5
+ nor %r9,%r7,%r5
+ and. %r0,%r0,%r9
+ xor %r12,%r4,%r5
+ orc %r12,%r12,%r11
+ b loopentry
+
+ # The loop.
+
+loop: lwzu %r5,4(%r8)
+ and. %r0,%r0,%r9
+ # Test for 0
+ add %r0,%r6,%r5
+ nor %r9,%r7,%r5
+ bne foundit
+ and. %r0,%r0,%r9
+ # Start test for the bytes we're looking for
+ xor %r12,%r4,%r5
+loopentry:
+ add %r0,%r6,%r12
+ nor %r9,%r7,%r12
+ beq loop
+ # There is a zero byte in the word, but may also be a matching byte (either
+ # before or after the zero byte). In fact, we may be looking for a
+ # zero byte, in which case we return a match. We guess that this hasn't
+ # happened, though.
+missed:
+ and. %r0,%r0,%r9
+ li %r3,0
+ beqlr
+ # It did happen. Decide which one was first...
+ # I'm not sure if this is actually faster than a sequence of
+ # rotates, compares, and branches (we use it anyway because it's shorter).
+ and %r6,%r7,%r5
+ or %r11,%r7,%r5
+ and %r0,%r7,%r12
+ or %r10,%r7,%r12
+ add %r6,%r6,%r7
+ add %r0,%r0,%r7
+ nor %r5,%r11,%r6
+ nor %r9,%r10,%r0
+ cmplw %r5,%r9
+ bgtlr
+ cntlzw %r4,%r9
+ srwi %r4,%r4,3
+ add %r3,%r8,%r4
+ blr
+
+foundit:
+ and %r0,%r7,%r12
+ or %r10,%r7,%r12
+ add %r0,%r0,%r7
+ nor %r9,%r10,%r0
+ cntlzw %r4,%r9
+ subi %r8,%r8,4
+ srwi %r4,%r4,3
+ add %r3,%r8,%r4
+ blr
+
+0:
+ .size strchr,0b-strchr
+
+ .globl index
+ .weak index
+ .set index,strchr
diff --git a/sysdeps/powerpc/strcmp.s b/sysdeps/powerpc/strcmp.s
new file mode 100644
index 0000000000..f901b82ab1
--- /dev/null
+++ b/sysdeps/powerpc/strcmp.s
@@ -0,0 +1,273 @@
+ # Optimized strcmp implementation for PowerPC.
+ # Copyright (C) 1997 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 Library General Public License as
+ # published by the Free Software Foundation; either version 2 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
+ # Library General Public License for more details.
+ #
+ # You should have received a copy of the GNU Library General Public
+ # License along with the GNU C Library; see the file COPYING.LIB. If not,
+ # write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ # Boston, MA 02111-1307, USA.
+
+ # See strlen.s for comments on how the end-of-string testing works.
+
+ .section ".text"
+ .align 3
+ .globl strcmp
+ .type strcmp,@function
+strcmp:
+ # int [r3] strcmp (const char *p1 [r3], const char *p2 [r4])
+
+ # General register assignments:
+ # r0: temporary
+ # r3: pointer to previous word in s1
+ # r4: pointer to previous word in s2
+ # r5: current first word in s1
+ # r6: current first word in s2 (after re-alignment)
+ # r7: 0xfefefeff
+ # r8: 0x7f7f7f7f
+ # r9: ~(word in s1 | 0x7f7f7f7f)
+
+ # Register assignments in the prologue:
+ # r10: low 2 bits of p2-p1
+ # r11: mask to orc with r5/r6
+
+ subf. %r10,%r4,%r3
+ beq- equal
+ andi. %r10,%r10,3
+ cmpi %cr1,%r10,2
+ beq- %cr1,align2
+ lis %r7,0xfeff
+ lis %r8,0x7f7f
+ addi %r8,%r8,0x7f7f
+ addi %r7,%r7,0xfffffeff
+ bgt- %cr1,align3
+strcmp3:
+ rlwinm %r0,%r3,3,27,28
+ li %r11,-1
+ srw %r11,%r11,%r0
+ clrrwi %r3,%r3,2
+ clrrwi %r4,%r4,2
+ lwz %r5,0(%r3)
+ lwz %r6,0(%r4)
+ bne- align1
+
+ # The loop, case when both strings are aligned the same.
+ # on entry, cr1.eq must be 1.
+ # r10: second word in s1
+ # r11: second word in s2 OR mask to orc with first two words.
+align0:
+ andi. %r0,%r3,4
+ orc %r5,%r5,%r11
+ orc %r6,%r6,%r11
+ beq+ a0start
+ add %r0,%r7,%r5
+ nor %r9,%r8,%r5
+ and. %r0,%r0,%r9
+ cmplw %cr1,%r5,%r6
+ subi %r3,%r3,4
+ bne- endstringeq
+ subi %r4,%r4,4
+ bne- %cr1,difference
+
+loopalign0:
+ lwzu %r5,8(%r3)
+ bne- %cr1,difference2
+ lwzu %r6,8(%r4)
+a0start:
+ add %r0,%r7,%r5
+ nor %r9,%r8,%r5
+ and. %r0,%r0,%r9
+ cmplw %cr1,%r5,%r6
+ lwz %r10,4(%r3)
+ bne- endstringeq
+ add %r0,%r7,%r10
+ bne- %cr1,difference
+ nor %r9,%r8,%r10
+ lwz %r11,4(%r4)
+ and. %r0,%r0,%r9
+ cmplw %cr1,%r10,%r11
+ beq+ loopalign0
+
+ mr %r5,%r10
+ mr %r6,%r11
+
+ # fall through to...
+
+endstringeq:
+ # (like 'endstring', but an equality code is in cr1)
+ beq %cr1,equal
+endstring:
+ # OK. We've hit the end of the string. We need to be careful that
+ # we don't compare two strings as different because of gunk beyond
+ # the end of the strings. We do it like this...
+ and %r0,%r8,%r5
+ add %r0,%r0,%r8
+ xor. %r10,%r5,%r6
+ andc %r9,%r9,%r0
+ cntlzw %r10,%r10
+ cntlzw %r9,%r9
+ addi %r9,%r9,7
+ cmpw %cr1,%r9,%r10
+ blt %cr1,equal
+ sub %r3,%r5,%r6
+ bgelr+
+ mr %r3,%r6
+ blr
+equal: li %r3,0
+ blr
+
+ # The loop, case when s2 is aligned 1 char behind s1.
+ # r10: current word in s2 (before re-alignment)
+
+align1:
+ cmpwi %cr1,%r0,0
+ orc %r5,%r5,%r11
+ bne %cr1,align1_123
+ # When s1 is aligned to a word boundary, the startup processing is special.
+ slwi. %r6,%r6,24
+ bne+ a1entry_0
+ nor %r9,%r8,%r5
+ b endstring
+
+align1_123:
+ # Otherwise (s1 not aligned to a word boundary):
+ mr %r10,%r6
+ add %r0,%r7,%r5
+ nor %r9,%r8,%r5
+ and. %r0,%r0,%r9
+ srwi %r6,%r6,8
+ orc %r6,%r6,%r11
+ cmplw %cr1,%r5,%r6
+ bne- endstringeq
+ bne- %cr1,difference
+
+loopalign1:
+ slwi. %r6,%r10,24
+ bne- %cr1,a1difference
+ lwzu %r5,4(%r3)
+ beq- endstring1
+a1entry_0:
+ lwzu %r10,4(%r4)
+a1entry_123:
+ add %r0,%r7,%r5
+ nor %r9,%r8,%r5
+ and. %r0,%r0,%r9
+ rlwimi %r6,%r10,24,8,31
+ cmplw %cr1,%r5,%r6
+ beq+ loopalign1
+ b endstringeq
+
+endstring1:
+ srwi %r3,%r5,24
+ blr
+
+a1difference:
+ lbz %r6,-1(%r4)
+ slwi %r6,%r6,24
+ rlwimi %r6,%r10,24,8,31
+
+ # fall through to...
+
+difference:
+ # The idea here is that we could just return '%r5 - %r6', except
+ # that the result might overflow. Overflow can only happen when %r5
+ # and %r6 have different signs (thus the xor), in which case we want to
+ # return negative iff %r6 has its high bit set so %r5 < %r6.
+ # A branch-free implementation of this is
+ # xor %r0,%r5,%r6
+ # rlwinm %r0,%r0,1,31,31
+ # rlwnm %r5,%r5,%r0,1,31
+ # rlwnm %r6,%r6,%r0,1,31
+ # sub %r3,%r5,%r6
+ # blr
+ # but this is usually more expensive.
+ xor. %r0,%r5,%r6
+ sub %r3,%r5,%r6
+ bgelr+
+ mr %r3,%r6
+ blr
+
+difference2:
+ # As for 'difference', but use registers r10 and r11 instead of r5 and r6.
+ xor. %r0,%r10,%r11
+ sub %r3,%r10,%r11
+ bgelr+
+ mr %r3,%r11
+ blr
+
+ # For the case when s2 is aligned 3 chars behind s1, we switch
+ # s1 and s2...
+ # r10: used by 'align2' (see below)
+ # r11: used by 'align2' (see below)
+ # r12: saved link register
+ # cr0.eq: must be left as 1.
+
+align3: mflr %r12
+ mr %r0,%r3
+ mr %r3,%r4
+ mr %r4,%r0
+ bl strcmp3
+ mtlr %r12
+ neg %r3,%r3
+ blr
+
+ # The loop, case when s2 and s1's alignments differ by 2
+ # This is the ugly case...
+ # FIXME: on a 601, the loop takes 7 cycles instead of the 6 you'd expect,
+ # because there are too many branches. This loop should probably be
+ # coded like the align1 case.
+
+a2even: lhz %r5,0(%r3)
+ lhz %r6,0(%r4)
+ b a2entry
+
+align2:
+ andi. %r0,%r3,1
+ beq+ a2even
+ subi %r3,%r3,1
+ subi %r4,%r4,1
+ lbz %r5,1(%r3)
+ lbz %r6,1(%r4)
+ cmpwi %cr0,%r5,0
+ cmpw %cr1,%r5,%r6
+ beq- align2end2
+ lhzu %r5,2(%r3)
+ beq+ %cr1,a2entry1
+ lbz %r5,-1(%r3)
+ sub %r3,%r5,%r6
+ blr
+
+loopalign2:
+ cmpw %cr1,%r5,%r6
+ beq- align2end2
+ lhzu %r5,2(%r3)
+ bne- %cr1,align2different
+a2entry1:
+ lhzu %r6,2(%r4)
+a2entry:
+ cmpwi %cr5,%r5,0x00ff
+ andi. %r0,%r5,0x00ff
+ bgt+ %cr5,loopalign2
+
+align2end:
+ andi. %r3,%r6,0xff00
+ neg %r3,%r3
+ blr
+
+align2different:
+ lhzu %r5,-2(%r3)
+align2end2:
+ sub %r3,%r5,%r6
+ blr
+
+0:
+ .size strcmp,0b-strcmp
diff --git a/sysdeps/powerpc/sub_n.s b/sysdeps/powerpc/sub_n.s
new file mode 100644
index 0000000000..8711bf9a40
--- /dev/null
+++ b/sysdeps/powerpc/sub_n.s
@@ -0,0 +1,69 @@
+ # Subtract two limb vectors of equal, non-zero length for PowerPC.
+ # Copyright (C) 1997 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 Library General Public License as
+ # published by the Free Software Foundation; either version 2 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
+ # Library General Public License for more details.
+ #
+ # You should have received a copy of the GNU Library General Public
+ # License along with the GNU C Library; see the file COPYING.LIB. If not,
+ # write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ # Boston, MA 02111-1307, USA.
+
+ # mp_limb_t mpn_sub_n (mp_ptr res_ptr, mp_srcptr s1_ptr, mp_srcptr s2_ptr,
+ # mp_size_t size)
+ # Calculate s1-s2 and put result in res_ptr; return borrow, 0 or 1.
+
+ # Note on optimisation: This code is optimal for the 601. Almost every other
+ # possible 2-unrolled inner loop will not be. Also, watch out for the
+ # alignment...
+
+ .align 3
+ .globl __mpn_sub_n
+ .type __mpn_sub_n,@function
+ nop
+__mpn_sub_n:
+ # Set up for loop below.
+ mtcrf 0x01,%r6
+ srwi. %r7,%r6,1
+ mtctr %r7
+ bt 31,2f
+
+ # Set the carry (clear the borrow).
+ subfc %r0,%r0,%r0
+ # Adjust pointers for loop.
+ addi %r3,%r3,-4
+ addi %r4,%r4,-4
+ addi %r5,%r5,-4
+ b 0f
+
+2: lwz %r7,0(%r5)
+ lwz %r6,0(%r4)
+ subfc %r6,%r7,%r6
+ stw %r6,0(%r3)
+ beq 1f
+
+ # Align start of loop to an odd word boundary to guarantee that the
+ # last two words can be fetched in one access (for 601). This turns
+ # out to be important.
+0:
+ lwz %r9,4(%r4)
+ lwz %r8,4(%r5)
+ lwzu %r6,8(%r4)
+ lwzu %r7,8(%r5)
+ subfe %r8,%r8,%r9
+ stw %r8,4(%r3)
+ subfe %r6,%r7,%r6
+ stwu %r6,8(%r3)
+ bdnz 0b
+ # return the borrow
+1: subfe %r3,%r3,%r3
+ neg %r3,%r3
+ blr
diff --git a/sysdeps/powerpc/submul_1.s b/sysdeps/powerpc/submul_1.s
new file mode 100644
index 0000000000..999430d744
--- /dev/null
+++ b/sysdeps/powerpc/submul_1.s
@@ -0,0 +1,52 @@
+ # Multiply a limb vector by a single limb, for PowerPC.
+ # Copyright (C) 1993, 1994, 1995, 1997 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 Library General Public License as
+ # published by the Free Software Foundation; either version 2 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
+ # Library General Public License for more details.
+ #
+ # You should have received a copy of the GNU Library General Public
+ # License along with the GNU C Library; see the file COPYING.LIB. If not,
+ # write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ # Boston, MA 02111-1307, USA.
+
+ # mp_limb_t mpn_submul_1 (mp_ptr res_ptr, mp_srcptr s1_ptr,
+ # mp_size_t s1_size, mp_limb_t s2_limb)
+ # Calculate res-s1*s2 and put result back in res; return carry.
+
+ .align 2
+ .globl __mpn_submul_1
+ .type __mpn_submul_1,@function
+__mpn_submul_1:
+ mtctr %r5
+
+ lwz %r0,0(%r4)
+ mullw %r7,%r0,%r6
+ mulhwu %r10,%r0,%r6
+ lwz %r9,0(%r3)
+ subf %r8,%r7,%r9
+ addc %r7,%r7,%r8 # invert cy (r7 is junk)
+ addi %r3,%r3,-4 # adjust res_ptr
+ bdz Lend
+
+Loop: lwzu %r0,4(%r4)
+ stwu %r8,4(%r3)
+ mullw %r8,%r0,%r6
+ adde %r7,%r8,%r10
+ mulhwu %r10,%r0,%r6
+ lwz %r9,4(%r3)
+ addze %r10,%r10
+ subf %r8,%r7,%r9
+ addc %r7,%r7,%r8 # invert cy (r7 is junk)
+ bdnz Loop
+
+Lend: stw %r8,4(%r3)
+ addze %r3,%r10
+ blr
diff --git a/sysdeps/sparc/Dist b/sysdeps/sparc/Dist
new file mode 100644
index 0000000000..7832507772
--- /dev/null
+++ b/sysdeps/sparc/Dist
@@ -0,0 +1 @@
+sys/trap.h
diff --git a/sysdeps/sparc/sparc32/Dist b/sysdeps/sparc/sparc32/Dist
index 6c3b23baa5..8bd3729740 100644
--- a/sysdeps/sparc/sparc32/Dist
+++ b/sysdeps/sparc/sparc32/Dist
@@ -1,4 +1,3 @@
dotmul.S umul.S
divrem.m4 sdiv.S udiv.S rem.S urem.S
alloca.S
-sys/trap.h
diff --git a/sysdeps/sparc/sparc32/sparcv8/Dist b/sysdeps/sparc/sparc32/sparcv8/Dist
new file mode 100644
index 0000000000..6318172684
--- /dev/null
+++ b/sysdeps/sparc/sparc32/sparcv8/Dist
@@ -0,0 +1,6 @@
+urem.S
+umul.S
+udiv.S
+sdiv.S
+rem.S
+dotmul.S
diff --git a/sysdeps/stub/des_impl.c b/sysdeps/stub/des_impl.c
new file mode 100644
index 0000000000..b6a4a8eb13
--- /dev/null
+++ b/sysdeps/stub/des_impl.c
@@ -0,0 +1,27 @@
+/* Copyright (C) 1997 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 Library General Public License as
+ published by the Free Software Foundation; either version 2 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+/* We must not distribute the DES implementation as part of the glibc.
+ So we have to provide a dummy version here. */
+int
+_des_crypt (char *buf, unsigned len, struct desparams *desp)
+{
+ return 0;
+}
+
+stub_warning (_des_crypt)
diff --git a/sysdeps/unix/sysv/linux/mips/Dist b/sysdeps/unix/sysv/linux/mips/Dist
index 6be6876fe7..0f106cf8fa 100644
--- a/sysdeps/unix/sysv/linux/mips/Dist
+++ b/sysdeps/unix/sysv/linux/mips/Dist
@@ -6,6 +6,7 @@ kernel_termios.h
entry.h
regdef.h
fpregdef.h
+sgidefs.h
sys/acct.h
sys/asm.h
sys/cachectl.h
diff --git a/sysdeps/unix/sysv/linux/sparc/Dist b/sysdeps/unix/sysv/linux/sparc/Dist
new file mode 100644
index 0000000000..7832507772
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/sparc/Dist
@@ -0,0 +1 @@
+sys/trap.h
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/Dist b/sysdeps/unix/sysv/linux/sparc/sparc32/Dist
index 9729f0709b..ed8fc080c1 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc32/Dist
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/Dist
@@ -5,4 +5,3 @@ pipe.S
fork.S
kernel_stat.h
init-first.h
-sys/trap.h
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-10 16:22:17 +0000