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2002-07-29 Steven Munroe <sjmunroe@us.ibm.com> * sysdeps/powerpc/__longjmp.S: Moved to... * sysdeps/powerpc/powerpc32/__longjmp.S: ...here. * sysdeps/powerpc/add_n.S: Moved to... * sysdeps/powerpc/powerpc32/add_n.S: ...here. * sysdeps/powerpc/addmul_1.S: Moved to... * sysdeps/powerpc/powerpc32/addmul_1.S: ...here. * sysdeps/powerpc/atomicity.h: Moved to... * sysdeps/powerpc/powerpc32/atomicity.h: ...here. * sysdeps/powerpc/backtrace.c: Moved to... * sysdeps/powerpc/powerpc32/backtrace.c: ...here. * sysdeps/powerpc/bp-asm.h: Moved to... * sysdeps/powerpc/powerpc32/bp-asm.h: ...here. * sysdeps/powerpc/bsd-_setjmp.S: Moved to... * sysdeps/powerpc/powerpc32/bsd-_setjmp.S: ...here. * sysdeps/powerpc/bsd-setjmp.S: Moved to... * sysdeps/powerpc/powerpc32/bsd-setjmp.S: ...here. * sysdeps/powerpc/dl-machine.c: Moved to... * sysdeps/powerpc/powerpc32/dl-machine.c: ...here. * sysdeps/powerpc/dl-machine.h: Moved to... * sysdeps/powerpc/powerpc32/dl-machine.h: ...here. * sysdeps/powerpc/dl-start.S: Moved to... * sysdeps/powerpc/powerpc32/dl-start.S: ...here. * sysdeps/powerpc/gprrest0.S: Moved to... * sysdeps/powerpc/powerpc32/gprrest0.S: ...here. * sysdeps/powerpc/gprrest1.S: Moved to... * sysdeps/powerpc/powerpc32/gprrest1.S: ...here. * sysdeps/powerpc/gprsave0.S: Moved to... * sysdeps/powerpc/powerpc32/gprsave0.S: ...here. * sysdeps/powerpc/gprsave1.S: Moved to... * sysdeps/powerpc/powerpc32/gprsave1.S: ...here. * sysdeps/powerpc/lshift.S: Moved to... * sysdeps/powerpc/powerpc32/lshift.S: ...here. * sysdeps/powerpc/memset.S: Moved to... * sysdeps/powerpc/powerpc32/memset.S: ...here. * sysdeps/powerpc/mul_1.S: Moved to... * sysdeps/powerpc/powerpc32/mul_1.S: ...here. * sysdeps/powerpc/ppc-mcount.S: Moved to... * sysdeps/powerpc/powerpc32/ppc-mcount.S: ...here. * sysdeps/powerpc/register-dump.h: Moved to... * sysdeps/powerpc/powerpc32/register-dump.h: ...here. * sysdeps/powerpc/rshift.S: Moved to... * sysdeps/powerpc/powerpc32/rshift.S: ...here. * sysdeps/powerpc/setjmp.S: Moved to... * sysdeps/powerpc/powerpc32/setjmp.S: ...here. * sysdeps/powerpc/stpcpy.S: Moved to... * sysdeps/powerpc/powerpc32/stpcpy.S: ...here. * sysdeps/powerpc/strchr.S: Moved to... * sysdeps/powerpc/powerpc32/strchr.S: ...here. * sysdeps/powerpc/strcmp.S: Moved to... * sysdeps/powerpc/powerpc32/strcmp.S: ...here. * sysdeps/powerpc/strcpy.S: Moved to... * sysdeps/powerpc/powerpc32/strcpy.S: ...here. * sysdeps/powerpc/strlen.S: Moved to... * sysdeps/powerpc/powerpc32/strlen.S: ...here. * sysdeps/powerpc/sub_n.S: Moved to... * sysdeps/powerpc/powerpc32/sub_n.S: ...here. * sysdeps/powerpc/submul_1.S: Moved to... * sysdeps/powerpc/powerpc32/submul_1.S: ...here. * sysdeps/powerpc/elf/bzero.S: Moved to... * sysdeps/powerpc/powerpc32/elf/bzero.S: ...here. * sysdeps/powerpc/elf/start.S: Moved to... * sysdeps/powerpc/powerpc32/elf/start.S: ...here. * sysdeps/powerpc/fpu/__longjmp.S: Moved to... * sysdeps/powerpc/powerpc32/fpu/__longjmp.S: ...here. * sysdeps/powerpc/fpu/fprrest.S: Moved to... * sysdeps/powerpc/powerpc32/fpu/fprrest.S: ...here. * sysdeps/powerpc/fpu/fprsave.S: Moved to... * sysdeps/powerpc/powerpc32/fpu/fprsave.S: ...here. * sysdeps/powerpc/fpu/setjmp.S: Moved to... * sysdeps/powerpc/powerpc32/fpu/setjmp.S: ...here. * sysdeps/powerpc/fpu/s_copysign.S: Moved to... * sysdeps/powerpc/powerpc32/fpu/s_copysign.S: ...here. * sysdeps/powerpc/fpu/s_copysignf.S: Moved to... * sysdeps/powerpc/powerpc32/fpu/s_copysignf.S: ...here. * sysdeps/unix/sysv/linux/powerpc/brk.S: Moved to... * sysdeps/unix/sysv/linux/powerpc/powerpc32/brk.S: ...here. * sysdeps/unix/sysv/linux/powerpc/clone.S: Moved to... * sysdeps/unix/sysv/linux/powerpc/powerpc32/clone.S: ...here. * sysdeps/unix/sysv/linux/powerpc/glob64.c: Moved to... * sysdeps/unix/sysv/linux/powerpc/powerpc32/glob64.c: ...here. * sysdeps/unix/sysv/linux/powerpc/kernel_stat.h: Moved to... * sysdeps/unix/sysv/linux/powerpc/powerpc32/kernel_stat.h: ...here. * sysdeps/unix/sysv/linux/powerpc/socket.S: Moved to... * sysdeps/unix/sysv/linux/powerpc/powerpc32/socket.S: ...here. * sysdeps/unix/sysv/linux/powerpc/sysdep.h: Moved to... * sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h: ...here. * sysdeps/unix/sysv/linux/powerpc/syscalls.list: Moved to... * sysdeps/unix/sysv/linux/powerpc/powerpc32/syscalls.list: ...here. Support PowerPC64. Separate powerpc into powerpc/powerpc32 and powerpc/powerpc64. 2002-07-29 Steven Munroe <sjmunroe@us.ibm.com> * FAQ.in: Add powerpc64 to supported targets list. Also state the minimum gcc version is 3.2 * README: Add powerpc64 to supported targets list. * configure.in: Change machine=powerpc to machine=powerpc/powerpc32. Add powerpc64 and machine=powerpc/powerpc64. (HAVE_ASM_GLOBAL_DOT_NAME): Define if linux*powerpc/powerpc64*. * shlib-versions: Set DEFAULT version to 2.2.5 for powerpc64. * sysdeps/powerpc/Dist: Remove dl-machine.c, dl-start.S, ppc-mcount.S, gprsave1.S, gprsave0.S, gprrest1.S, and gprrest0.S. * sysdeps/powerpc/powerpc32/Dist: New file. * sysdeps/powerpc/Implies: Remove wordsize-32 and powerpc/soft-fp. * sysdeps/powerpc/powerpc32/Implies: New file. * sysdeps/powerpc/Makefile(cflags): Remove powerpc32 specific cflags. ($(with-fp) = no): Move test to powerpc32/Makefile. ($(subdir) = misc): Move to powerpc32/Makefile. ($(build-shared) = yes): Move to powerpc32/Makefile. ($(subdir) = csu): Move to powerpc32/Makefile. (sysdep-rtld-routines): Remove dl-start. Moved these bits to ... * sysdeps/powerpc/powerpc32/Makefile: New file. * sysdeps/powerpc/Versions: Remove libgcc functions. * sysdeps/powerpc/powerpc32/Versions: New file. * sysdeps/powerpc/fpu/Makefile: Remove fprsave and fprrest. * sysdeps/powerpc/powerpc32/fpu/Makefile: New file. * sysdeps/unix/sysv/linux/configure.in (powerpc*): Set arch_minimum_kernel=2.4.19 for powerpc/powerpc64. Also set libc_cv_gcc_unwind_find_fde=yes only if !powerpc/powerpc64. ($machine): Add powerpc/powerpc64 to if ... | for libc_cv_slibdir=/libc64. (powerpc*): Set ldd_rewrite_script. * sysdeps/unix/sysv/linux/powerpc/ldd-rewrite.sed: New file. * sysdeps/unix/sysv/linux/powerpc/Dist: Remove clone.S. * sysdeps/unix/sysv/linux/powerpc/powerpc32/Dist: New file. Add clone.S. * sysdeps/unix/sysv/linux/powerpc/Makefile: Remove oldgetrlimit64. * sysdeps/unix/sysv/linux/powerpc/Versions: Remove GLIBC_2.0 functions. Remove GLIBC_2.2 functions except getrlimit and setrlimit. Moved them to ... * sysdeps/unix/sysv/linux/powerpc/powerpc32/Versions: New file. 2002-09-04 Ulrich Drepper <drepper@redhat.com> * libio/tst-atime.c: Include <errno.h>. (do_test): Only perform fstatvfs check if ST_NOATIME is defined. 2002-09-03 Isamu Hasegawa <isamu@yamato.ibm.com> * posix/regcomp.c (regcomp): Append "__restrict" modifier to avoid warnings of some compilers. (build_collating_symbol): Change the type of characters from "unsigned char" to "char", and append a cast to "char*" pointer in array subscript. (build_collating_symbol): Likewise. (build_equiv_class): Likewise. (build_charclass): Likewise. (re_compile_pattern): Remove incorrect cast. (re_compile_fastmap_iter): Change the type of characters from "unsigned char" to "char", and append a cast to "char*" pointer in array subscript. (parse_bracket_exp): Likewise. * posix/regex_internal.c (re_string_construct_common): Likewise. (re_string_allocate): Likewise. (re_string_construct): Likewise. (re_string_realloc_buffers): Likewise. (build_wcs_buffer): Likewise. (re_string_reconstruct): Likewise. * posix/regex_internal.h: Change the type of characters in re_string_t and bracket_elem_t from "unsigned char" to "char". * posix/regexec.c (regexec): Append "__restrict" modifier to avoid warnings of some compilers. (transit_state_bkref_loop): Change the type of characters from "unsigned char" to "char", and append a cast to "char*" pointer in array subscript. (check_node_accept_bytes): Likewise. (find_collation_sequence_value): Likewise.
64 lines
1.7 KiB
ArmAsm
64 lines
1.7 KiB
ArmAsm
/* Shift a limb right, low level routine.
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Copyright (C) 1995, 1997, 1999, 2000 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <sysdep.h>
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#include <bp-sym.h>
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#include <bp-asm.h>
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/* INPUT PARAMETERS
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res_ptr r3
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s1_ptr r4
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size r5
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cnt r6 */
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ENTRY (BP_SYM (__mpn_rshift))
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#if __BOUNDED_POINTERS__
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slwi r10,r5,2 /* convert limbs to bytes */
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CHECK_BOUNDS_BOTH_WIDE (r3, r8, r9, r10)
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CHECK_BOUNDS_BOTH_WIDE (r4, r8, r9, r10)
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#endif
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mtctr r5 # copy size into CTR
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addi r7,r3,-4 # move adjusted res_ptr to free return reg
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subfic r8,r6,32
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lwz r11,0(r4) # load first s1 limb
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slw r3,r11,r8 # compute function return value
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bdz L(1)
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L(0): lwzu r10,4(r4)
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srw r9,r11,r6
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slw r12,r10,r8
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or r9,r9,r12
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stwu r9,4(r7)
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bdz L(2)
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lwzu r11,4(r4)
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srw r9,r10,r6
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slw r12,r11,r8
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or r9,r9,r12
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stwu r9,4(r7)
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bdnz L(0)
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L(1): srw r0,r11,r6
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stw r0,4(r7)
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blr
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L(2): srw r0,r10,r6
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stw r0,4(r7)
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blr
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END (BP_SYM (__mpn_rshift))
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