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authorRoland McGrath <roland@gnu.org>2006-02-21 02:30:10 +0000
committerRoland McGrath <roland@gnu.org>2006-02-21 02:30:10 +0000
commit0d5cb2c74f3df8253834274843b4eb8cdc5dd651 (patch)
tree2fe51864d69ef66f0490d39c89729303bf584821 /sysdeps/mips/memcpy.S
parent0ca3379de12f639ccaedaf145871f6d4cfaa73b4 (diff)
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[BZ #2329]
2006-02-20 Roland McGrath <roland@redhat.com> * sysdeps/mips: Directory removed, saved in ports repository. * sysdeps/unix/mips: Likewise. * sysdeps/unix/sysv/linux/mips: Likewise. * sysdeps/mach/mips: Likewise. * sysdeps/mach/hurd/mips: Likewise. * shlib-versions: Remove mips matches, now in ports fragment. * sysdeps/unix/sysv/linux/kernel-features.h: Likewise. * configure.in (machine): Likewise. * configure: Regenerated. 2006-02-15 Thomas Schwinge <tschwinge@gnu.org> [BZ #2329] * include/unistd.h (__getresuid, __getresgid, __setresuid) (__setresgid): Fix argument name order in prototypes. * posix/unistd.h (getresuid, getresgid, setresuid, setresgid): Likewise. * posix/getresuid.c (__getresuid): Fix argument order in definition. * posix/getresgid.c (__getresgid): Likewise. * posix/setresuid.c (__setresuid): Likewise. * posix/setresgid.c (__setresgid): Likewise. * sysdeps/mach/hurd/getresuid.c (__getresuid): Likewise. * sysdeps/mach/hurd/getresgid.c (__getresgid): Likewise. * sysdeps/mach/hurd/setresuid.c (__setresuid): Likewise. * sysdeps/mach/hurd/setresgid.c (__setresgid): Likewise. Reported by Samuel Thibault <samuel.thibault@ens-lyon.org>.
Diffstat (limited to 'sysdeps/mips/memcpy.S')
-rw-r--r--sysdeps/mips/memcpy.S136
1 files changed, 0 insertions, 136 deletions
diff --git a/sysdeps/mips/memcpy.S b/sysdeps/mips/memcpy.S
deleted file mode 100644
index 2049d05..0000000
--- a/sysdeps/mips/memcpy.S
+++ /dev/null
@@ -1,136 +0,0 @@
-/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Hartvig Ekner <hartvige@mips.com>, 2002.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 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
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
-
-#include <sysdep.h>
-#include <endian.h>
-
-
-/* void *memcpy(void *s1, const void *s2, size_t n); */
-
-#if __BYTE_ORDER == __BIG_ENDIAN
-# define LWHI lwl /* high part is left in big-endian */
-# define SWHI swl /* high part is left in big-endian */
-# define LWLO lwr /* low part is right in big-endian */
-# define SWLO swr /* low part is right in big-endian */
-#else
-# define LWHI lwr /* high part is right in little-endian */
-# define SWHI swr /* high part is right in little-endian */
-# define LWLO lwl /* low part is left in little-endian */
-# define SWLO swl /* low part is left in little-endian */
-#endif
-
-ENTRY (memcpy)
- .set noreorder
-
- slti t0, a2, 8 # Less than 8?
- bne t0, zero, L(last8)
- move v0, a0 # Setup exit value before too late
-
- xor t0, a1, a0 # Find a0/a1 displacement
- andi t0, 0x3
- bne t0, zero, L(shift) # Go handle the unaligned case
- subu t1, zero, a1
- andi t1, 0x3 # a0/a1 are aligned, but are we
- beq t1, zero, L(chk8w) # starting in the middle of a word?
- subu a2, t1
- LWHI t0, 0(a1) # Yes we are... take care of that
- addu a1, t1
- SWHI t0, 0(a0)
- addu a0, t1
-
-L(chk8w):
- andi t0, a2, 0x1f # 32 or more bytes left?
- beq t0, a2, L(chk1w)
- subu a3, a2, t0 # Yes
- addu a3, a1 # a3 = end address of loop
- move a2, t0 # a2 = what will be left after loop
-L(lop8w):
- lw t0, 0(a1) # Loop taking 8 words at a time
- lw t1, 4(a1)
- lw t2, 8(a1)
- lw t3, 12(a1)
- lw t4, 16(a1)
- lw t5, 20(a1)
- lw t6, 24(a1)
- lw t7, 28(a1)
- addiu a0, 32
- addiu a1, 32
- sw t0, -32(a0)
- sw t1, -28(a0)
- sw t2, -24(a0)
- sw t3, -20(a0)
- sw t4, -16(a0)
- sw t5, -12(a0)
- sw t6, -8(a0)
- bne a1, a3, L(lop8w)
- sw t7, -4(a0)
-
-L(chk1w):
- andi t0, a2, 0x3 # 4 or more bytes left?
- beq t0, a2, L(last8)
- subu a3, a2, t0 # Yes, handle them one word at a time
- addu a3, a1 # a3 again end address
- move a2, t0
-L(lop1w):
- lw t0, 0(a1)
- addiu a0, 4
- addiu a1, 4
- bne a1, a3, L(lop1w)
- sw t0, -4(a0)
-
-L(last8):
- blez a2, L(lst8e) # Handle last 8 bytes, one at a time
- addu a3, a2, a1
-L(lst8l):
- lb t0, 0(a1)
- addiu a0, 1
- addiu a1, 1
- bne a1, a3, L(lst8l)
- sb t0, -1(a0)
-L(lst8e):
- jr ra # Bye, bye
- nop
-
-L(shift):
- subu a3, zero, a0 # Src and Dest unaligned
- andi a3, 0x3 # (unoptimized case...)
- beq a3, zero, L(shft1)
- subu a2, a3 # a2 = bytes left
- LWHI t0, 0(a1) # Take care of first odd part
- LWLO t0, 3(a1)
- addu a1, a3
- SWHI t0, 0(a0)
- addu a0, a3
-L(shft1):
- andi t0, a2, 0x3
- subu a3, a2, t0
- addu a3, a1
-L(shfth):
- LWHI t1, 0(a1) # Limp through, word by word
- LWLO t1, 3(a1)
- addiu a0, 4
- addiu a1, 4
- bne a1, a3, L(shfth)
- sw t1, -4(a0)
- b L(last8) # Handle anything which may be left
- move a2, t0
-
- .set reorder
-END (memcpy)
-libc_hidden_builtin_def (memcpy)