mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-12 00:00:06 +00:00
844a34a2ae
2003-12-05 Martin Schwidefsky <schwidefsky@de.ibm.com> * sysdeps/s390/s390-32/elf/setjmp.S (setjmp, __setjmp): Add END statements. * sysdeps/s390/s390-64/elf/setjmp.S (setjmp, __setjmp): Likewise. * sysdeps/s390/s390-32/sysdep.h (ENTRY): Add cfi_startproc directive. (END): Add cfi_endproc directive. * sysdeps/s390/s390-64/sysdep.h (ENTRY, END): Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/socket.S (__socket): Remove cfi_startproc and cfi_endproc directive. * sysdeps/unix/sysv/linux/s390/s390-64/socket.S (__socket): Likewise. * sysdeps/s390/s390-32/addmul_1.S (__mpn_addmul_1): Add CFI directives. * sysdeps/s390/s390-32/add_n.S (__mpn_add_n): Likewise. * sysdeps/s390/s390-64/add_n.S (__mpn_add_n): Likewise. * sysdeps/s390/s390-32/dl-machine.h (ELF_MACHINE_RUNTIME_TRAMPOLINE): Likewise. * sysdeps/s390/s390-64/dl-machine.h (ELF_MACHINE_RUNTIME_TRAMPOLINE): Likewise. * sysdeps/s390/s390-32/mul_1.S (__mpn_mul_1): Likewise. * sysdeps/s390/s390-32/sub_n.S (__mpn_sub_n): Likewise. * sysdeps/s390/s390-64/sub_n.S (__mpn_sub_n): Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/mmap64.S (__mmap64): Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/mmap.S (__mmap): Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/mmap.S (__mmap): Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/syscall.S (syscall): Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/syscall.S (syscall): Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/sysdep.S (__syscall_error): Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/sysdep.S (__syscall_error): Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/clone.S (__clone): Add CFI directives. Move thread_start out of ENTRY/PSEUDO_END block to make backchain terminate. * sysdeps/unix/sysv/linux/s390/s390-64/clone.S (__clone): Likewise. * sysdeps/s390/s390-32/backtrace.c (trace_arg): New structure. (unwind_backtrace, unwind_getip): New variables. (init, __backchain_backtrace, backtrace_helper): New functions. (__backtrace): Use unwind info for backtrace instead of backchain walking if the unwind functions can be found. * sysdeps/s390/s390-64/backtrace.c: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/posix_fadvise64.c: New file. * sysdeps/unix/sysv/linux/s390/sys/procfs.h (ELF_NGREG32): New #define. (elf_greg_t32, elf_gregset_t32, elf_fpregset_t32): New types. (elf_prstatus32, elf_prpsinfo32): New structures. (prgregset32_t, prfpregset32_t, prstatus32_t, prpsinfo32_t): New types. * scripts/data/c++-types-s390-linux-gnu.data: New file. * scripts/data/c++-types-s390x-linux-gnu.data: New file.
64 lines
2.1 KiB
ArmAsm
64 lines
2.1 KiB
ArmAsm
/* __mpn_sub_n -- Add two limb vectors of the same length > 0 and store
|
|
sum in a third limb vector.
|
|
Copyright (C) 2000, 2001 Free Software Foundation, Inc.
|
|
Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
|
|
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 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 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 Lesser General Public
|
|
License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser 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 %r2
|
|
s1_ptr %r3
|
|
s2_ptr %r4
|
|
size %r5
|
|
*/
|
|
|
|
#include "sysdep.h"
|
|
#include "asm-syntax.h"
|
|
|
|
ENTRY(__mpn_sub_n)
|
|
st %r6,24(%r15) # save register 6
|
|
cfi_offset (%r6, -72)
|
|
sr %r1,%r1
|
|
lhi %r0,1 # cannot use ahi to add carry, use slr
|
|
.L0: l %r6,0(%r1,%r3) # .L0 -> no carry from last sub
|
|
sl %r6,0(%r1,%r4)
|
|
st %r6,0(%r1,%r2)
|
|
la %r1,4(0,%r1)
|
|
brc 4,.L3
|
|
.L1: brct %r5,.L0
|
|
slr %r2,%r2 # no last carry to return
|
|
j .Lexit
|
|
.L2: l %r6,0(%r1,%r3) # .L2 -> carry from last sub
|
|
sl %r6,0(%r1,%r4)
|
|
brc 4,.L4
|
|
slr %r6,%r0 # no carry yet, add carry from last sub
|
|
st %r6,0(%r1,%r2)
|
|
la %r1,4(0,%r1)
|
|
brc 11,.L1 # new carry ?
|
|
.L3: brct %r5,.L2
|
|
lr %r2,%r0 # return last carry
|
|
j .Lexit
|
|
.L4: slr %r6,%r0 # already a carry, add carry from last sub
|
|
st %r6,0(%r1,%r2)
|
|
la %r1,4(0,%r1)
|
|
brct %r5,.L2
|
|
lr %r2,%r0 # return last carry
|
|
.Lexit: l %r6,24(%r15) # restore register 6
|
|
br %r14
|
|
END(__mpn_sub_n)
|