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Diffstat (limited to 'sysdeps/s390/s390-32/memcpy.S')
-rw-r--r--sysdeps/s390/s390-32/memcpy.S89
1 files changed, 0 insertions, 89 deletions
diff --git a/sysdeps/s390/s390-32/memcpy.S b/sysdeps/s390/s390-32/memcpy.S
deleted file mode 100644
index 493cc18aba..0000000000
--- a/sysdeps/s390/s390-32/memcpy.S
+++ /dev/null
@@ -1,89 +0,0 @@
-/* memcpy - copy a block from source to destination. S/390 version.
- Copyright (C) 2012-2018 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 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, see
- <http://www.gnu.org/licenses/>. */
-
-
-#include "sysdep.h"
-#include "asm-syntax.h"
-
-/* INPUT PARAMETERS
- %r2 = address of destination memory area
- %r3 = address of source memory area
- %r4 = number of bytes to copy. */
-
- .text
-ENTRY(__mempcpy)
- .machine "g5"
- lr %r1,%r2 # Use as dest
- la %r2,0(%r4,%r2) # Return dest + n
- j .L_G5_start
-END(__mempcpy)
-#ifndef USE_MULTIARCH
-libc_hidden_def (__mempcpy)
-weak_alias (__mempcpy, mempcpy)
-libc_hidden_builtin_def (mempcpy)
-#endif
-
-ENTRY(memcpy)
- .machine "g5"
- lr %r1,%r2 # r1: Use as dest ; r2: Return dest
-.L_G5_start:
- ltr %r4,%r4
- je .L_G5_99
- ahi %r4,-1
- lr %r5,%r4
- srl %r5,8
- ltr %r5,%r5
- jne .L_G5_13
-.L_G5_4:
- basr %r5,0
-.L_G5_16:
- ex %r4,.L_G5_17-.L_G5_16(%r5)
-.L_G5_99:
- br %r14
-.L_G5_13:
- chi %r5,4096 # Switch to mvcle for copies >1MB
- jh __memcpy_mvcle
-.L_G5_12:
- mvc 0(256,%r1),0(%r3)
- la %r1,256(%r1)
- la %r3,256(%r3)
- brct %r5,.L_G5_12
- j .L_G5_4
-.L_G5_17:
- mvc 0(1,%r1),0(%r3)
-END(memcpy)
-#ifndef USE_MULTIARCH
-libc_hidden_builtin_def (memcpy)
-#endif
-
-ENTRY(__memcpy_mvcle)
- # Using as standalone function will result in unexpected
- # results since the length field is incremented by 1 in order to
- # compensate the changes already done in the functions above.
- lr %r0,%r2 # backup return dest [ + n ]
- ahi %r4,1 # length + 1
- lr %r5,%r4 # source length
- lr %r4,%r3 # source address
- lr %r2,%r1 # destination address
- lr %r3,%r5 # destination length = source length
-.L_MVCLE_1:
- mvcle %r2,%r4,0 # thats it, MVCLE is your friend
- jo .L_MVCLE_1
- lr %r2,%r0 # return destination address
- br %r14
-END(__memcpy_mvcle)