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-rw-r--r--sysdeps/s390/s390-64/strncpy.S90
1 files changed, 0 insertions, 90 deletions
diff --git a/sysdeps/s390/s390-64/strncpy.S b/sysdeps/s390/s390-64/strncpy.S
deleted file mode 100644
index 80aee312e4..0000000000
--- a/sysdeps/s390/s390-64/strncpy.S
+++ /dev/null
@@ -1,90 +0,0 @@
-/* strncpy - copy at most n characters from a string from source to
- destination. 64 bit S/390 version
- Copyright (C) 2001-2017 Free Software Foundation, Inc.
- Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
- 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/>. */
-
-/* INPUT PARAMETERS
- %r2 = address of destination (dst)
- %r3 = address of source (src)
- %r4 = max of bytes to copy. */
-
-#include "sysdep.h"
-#include "asm-syntax.h"
-
-ENTRY(strncpy)
- .text
- stg %r2,48(%r15) # save dst pointer
- slgr %r2,%r3 # %r3 points to src, %r2+%r3 to dst
- lghi %r1,7
- ngr %r1,%r4 # last 3 bits of # bytes
- srlg %r4,%r4,3
- ltgr %r4,%r4 # less than 8 bytes to copy ?
- jz .L1
- bras %r5,.L0 # enter loop & load address of a 0
- .long 0
-.L0: icmh %r0,8,0(%r3) # first byte
- jz .L3
- icmh %r0,4,1(%r3) # second byte
- jz .L4
- icmh %r0,2,2(%r3) # third byte
- jz .L5
- icmh %r0,1,3(%r3) # fourth byte
- jz .L6
- icm %r0,8,4(%r3) # fifth byte
- jz .L7
- icm %r0,4,5(%r3) # sixth byte
- jz .L8
- icm %r0,2,6(%r3) # seventh byte
- jz .L9
- icm %r0,1,7(%r3) # eigth byte
- jz .L10
- stg %r0,0(%r2,%r3) # store all eight to dest.
- la %r3,8(%r3)
- brct %r4,.L0
-.L1: ltgr %r1,%r1
- jz .Lexit
-.L2: icm %r0,1,0(%r3)
- stc %r0,0(%r2,%r3)
- la %r3,1(%r3)
- jz .L11
- brct %r1,.L2
- j .Lexit
-.L3: icmh %r0,4,0(%r5)
-.L4: icmh %r0,2,0(%r5)
-.L5: icmh %r0,1,0(%r5)
-.L6: icm %r0,8,0(%r5)
-.L7: icm %r0,4,0(%r5)
-.L8: icm %r0,2,0(%r5)
-.L9: icm %r0,1,0(%r5)
-.L10: stg %r0,0(%r2,%r3)
- la %r3,8(%r3)
- aghi %r4,-1
- j .L12
-.L11: aghi %r1,-1
-.L12: sllg %r4,%r4,3
- algr %r4,%r1
- algr %r2,%r3 # start of dst area to be zeroed
- lgr %r3,%r4
- slgr %r4,%r4
- slgr %r5,%r5
-.L13: mvcle %r2,%r4,0 # pad dst with zeroes
- jo .L13
-.Lexit: lg %r2,48(%r15) # return dst pointer
- br %r14
-END(strncpy)
-libc_hidden_builtin_def (strncpy)