AuroraMiddleware/glibc
1
0
Fork 0
mirror of https://sourceware.org/git/glibc.git synced 2024-11-30 08:40:07 +00:00
Code Issues Packages Projects Releases Wiki Activity
70063199c3
glibc/sysdeps/m68k/m680x0/sub_n.S
Andreas Schwab 9c986f878a 2006-10-03 Richard Sandiford <richard@codesourcery.com> 
* sysdeps/m68k/bits/mathdef.h: Moved from sysdeps/m68k to
	sysdeps/m68k/m680x0.
	* sysdeps/m68k/m68020/submul_1.S: Likewise.
	* sysdeps/m68k/m68020/Makefile: Likewise.
	* sysdeps/m68k/m68020/mul_1.S: Likewise.
	* sysdeps/m68k/m68020/wordcopy.S: Likewise.
	* sysdeps/m68k/m68020/addmul_1.S: Likewise.
	* sysdeps/m68k/m68020/bits/string.h: Likewise.
	* sysdeps/m68k/m68020/bits/atomic.h: Likewise.
	* sysdeps/m68k/sub_n.S: Likewise.
	* sysdeps/m68k/add_n.S: Likewise.
	* sysdeps/m68k/s_isnanl.c: Likewise.
	* sysdeps/m68k/fpu/s_log1p.c: Likewise.
	* sysdeps/m68k/fpu/e_asinf.c: Likewise.
	* sysdeps/m68k/fpu/s_cosl.c: Likewise.
	* sysdeps/m68k/fpu/s_isinff.c: Likewise.
	* sysdeps/m68k/fpu/k_rem_pio2.c: Likewise.
	* sysdeps/m68k/fpu/s_ccos.c: Likewise.
	* sysdeps/m68k/fpu/s_expm1.c: Likewise.
	* sysdeps/m68k/fpu/slowexp.c: Likewise.
	* sysdeps/m68k/fpu/k_rem_pio2l.c: Likewise.
	* sysdeps/m68k/fpu/s_ccoshf.c: Likewise.
	* sysdeps/m68k/fpu/s_ilogbl.c: Likewise.
	* sysdeps/m68k/fpu/Makefile: Likewise.
	* sysdeps/m68k/fpu/s_expm1f.c: Likewise.
	* sysdeps/m68k/fpu/s_significandf.c: Likewise.
	* sysdeps/m68k/fpu/e_pow.c: Likewise.
	* sysdeps/m68k/fpu/s_csinh.c: Likewise.
	* sysdeps/m68k/fpu/e_exp.c: Likewise.
	* sysdeps/m68k/fpu/s_remquof.c: Likewise.
	* sysdeps/m68k/fpu/s_ilogbf.c: Likewise.
	* sysdeps/m68k/fpu/s_truncl.c: Likewise.
	* sysdeps/m68k/fpu/s_frexpf.c: Likewise.
	* sysdeps/m68k/fpu/s_cos.c: Likewise.
	* sysdeps/m68k/fpu/fraiseexcpt.c: Likewise.
	* sysdeps/m68k/fpu/branred.c: Likewise.
	* sysdeps/m68k/fpu/s_frexpl.c: Likewise.
	* sysdeps/m68k/fpu/s_atan.c: Likewise.
	* sysdeps/m68k/fpu/e_rem_pio2f.c: Likewise.
	* sysdeps/m68k/fpu/e_scalbl.c: Likewise.
	* sysdeps/m68k/fpu/e_exp2.c: Likewise.
	* sysdeps/m68k/fpu/s_cexpf.c: Likewise.
	* sysdeps/m68k/fpu/mplog.c: Likewise.
	* sysdeps/m68k/fpu/s_rintf.c: Likewise.
	* sysdeps/m68k/fpu/s_tanh.c: Likewise.
	* sysdeps/m68k/fpu/e_scalbf.c: Likewise.
	* sysdeps/m68k/fpu/s_csinhl.c: Likewise.
	* sysdeps/m68k/fpu/s_floorl.c: Likewise.
	* sysdeps/m68k/fpu/k_tanf.c: Likewise.
	* sysdeps/m68k/fpu/k_tanl.c: Likewise.
	* sysdeps/m68k/fpu/e_fmodf.c: Likewise.
	* sysdeps/m68k/fpu/e_atanhf.c: Likewise.
	* sysdeps/m68k/fpu/s_isnanf.c: Likewise.
	* sysdeps/m68k/fpu/s_fpclassifyl.c: Likewise.
	* sysdeps/m68k/fpu/s_modf.c: Likewise.
	* sysdeps/m68k/fpu/e_log2.c: Likewise.
	* sysdeps/m68k/fpu/e_acosf.c: Likewise.
	* sysdeps/m68k/fpu/s_log1pl.c: Likewise.
	* sysdeps/m68k/fpu/e_log2f.c: Likewise.
	* sysdeps/m68k/fpu/mpa.c: Likewise.
	* sysdeps/m68k/fpu/t_exp.c: Likewise.
	* sysdeps/m68k/fpu/e_acos.c: Likewise.
	* sysdeps/m68k/fpu/s_expm1l.c: Likewise.
	* sysdeps/m68k/fpu/s_ccoshl.c: Likewise.
	* sysdeps/m68k/fpu/s_sinf.c: Likewise.
	* sysdeps/m68k/fpu/k_tan.c: Likewise.
	* sysdeps/m68k/fpu/k_cosl.c: Likewise.
	* sysdeps/m68k/fpu/e_remainder.c: Likewise.
	* sysdeps/m68k/fpu/s_trunc.c: Likewise.
	* sysdeps/m68k/fpu/s_sincos.c: Likewise.
	* sysdeps/m68k/fpu/s_scalbnl.c: Likewise.
	* sysdeps/m68k/fpu/s_finitef.c: Likewise.
	* sysdeps/m68k/fpu/s_tanhl.c: Likewise.
	* sysdeps/m68k/fpu/s_lrintl.c: Likewise.
	* sysdeps/m68k/fpu/slowpow.c: Likewise.
	* sysdeps/m68k/fpu/mpexp.c: Likewise.
	* sysdeps/m68k/fpu/s_isnanl.c: Likewise.
	* sysdeps/m68k/fpu/e_expf.c: Likewise.
	* sysdeps/m68k/fpu/s_significand.c: Likewise.
	* sysdeps/m68k/fpu/e_sinhf.c: Likewise.
	* sysdeps/m68k/fpu/s_tanl.c: Likewise.
	* sysdeps/m68k/fpu/s_tanhf.c: Likewise.
	* sysdeps/m68k/fpu/s_cexp.c: Likewise.
	* sysdeps/m68k/fpu/e_sqrtf.c: Likewise.
	* sysdeps/m68k/fpu/s_isinf.c: Likewise.
	* sysdeps/m68k/fpu/s_nearbyint.c: Likewise.
	* sysdeps/m68k/fpu/e_fmod.c: Likewise.
	* sysdeps/m68k/fpu/sincos32.c: Likewise.
	* sysdeps/m68k/fpu/e_sqrtl.c: Likewise.
	* sysdeps/m68k/fpu/s_sincosl.c: Likewise.
	* sysdeps/m68k/fpu/e_atan2f.c: Likewise.
	* sysdeps/m68k/fpu/s_nearbyintf.c: Likewise.
	* sysdeps/m68k/fpu/e_fmodl.c: Likewise.
	* sysdeps/m68k/fpu/e_coshf.c: Likewise.
	* sysdeps/m68k/fpu/s_csinf.c: Likewise.
	* sysdeps/m68k/fpu/s_ccosl.c: Likewise.
	* sysdeps/m68k/fpu/e_sqrt.c: Likewise.
	* sysdeps/m68k/fpu/s_sin.c: Likewise.
	* sysdeps/m68k/fpu/e_asin.c: Likewise.
	* sysdeps/m68k/fpu/mptan.c: Likewise.
	* sysdeps/m68k/fpu/e_exp10f.c: Likewise.
	* sysdeps/m68k/fpu/e_scalb.c: Likewise.
	* sysdeps/m68k/fpu/s_finitel.c: Likewise.
	* sysdeps/m68k/fpu/e_log10.c: Likewise.
	* sysdeps/m68k/fpu/k_sinl.c: Likewise.
	* sysdeps/m68k/fpu/e_remainderl.c: Likewise.
	* sysdeps/m68k/fpu/s_remquol.c: Likewise.
	* sysdeps/m68k/fpu/s_scalblnf.c: Likewise.
	* sysdeps/m68k/fpu/s_llrint.c: Likewise.
	* sysdeps/m68k/fpu/e_rem_pio2.c: Likewise.
	* sysdeps/m68k/fpu/e_asinl.c: Likewise.
	* sysdeps/m68k/fpu/e_logl.c: Likewise.
	* sysdeps/m68k/fpu/s_cosf.c: Likewise.
	* sysdeps/m68k/fpu/s_rint.c: Likewise.
	* sysdeps/m68k/fpu/s_ceill.c: Likewise.
	* sysdeps/m68k/fpu/s_modfl.c: Likewise.
	* sysdeps/m68k/fpu/s_csinl.c: Likewise.
	* sysdeps/m68k/fpu/s_tan.c: Likewise.
	* sysdeps/m68k/fpu/s_sincosf.c: Likewise.
	* sysdeps/m68k/fpu/dosincos.c: Likewise.
	* sysdeps/m68k/fpu/e_powl.c: Likewise.
	* sysdeps/m68k/fpu/s_ilogb.c: Likewise.
	* sysdeps/m68k/fpu/s_llrintl.c: Likewise.
	* sysdeps/m68k/fpu/e_expl.c: Likewise.
	* sysdeps/m68k/fpu/libm-test-ulps: Likewise.
	* sysdeps/m68k/fpu/s_tanf.c: Likewise.
	* sysdeps/m68k/fpu/mpsqrt.c: Likewise.
	* sysdeps/m68k/fpu/s_sinl.c: Likewise.
	* sysdeps/m68k/fpu/mathimpl.h: Likewise.
	* sysdeps/m68k/fpu/e_acosl.c: Likewise.
	* sysdeps/m68k/fpu/e_cosh.c: Likewise.
	* sysdeps/m68k/fpu/s_cexpl.c: Likewise.
	* sysdeps/m68k/fpu/s_fabsl.c: Likewise.
	* sysdeps/m68k/fpu/halfulp.c: Likewise.
	* sysdeps/m68k/fpu/s_modff.c: Likewise.
	* sysdeps/m68k/fpu/s_isnan.c: Likewise.
	* sysdeps/m68k/fpu/e_atan2.c: Likewise.
	* sysdeps/m68k/fpu/s_fabs.c: Likewise.
	* sysdeps/m68k/fpu/e_log10f.c: Likewise.
	* sysdeps/m68k/fpu/k_cosf.c: Likewise.
	* sysdeps/m68k/fpu/e_sinh.c: Likewise.
	* sysdeps/m68k/fpu/s_truncf.c: Likewise.
	* sysdeps/m68k/fpu/s_ceil.c: Likewise.
	* sysdeps/m68k/fpu/s_log1pf.c: Likewise.
	* sysdeps/m68k/fpu/e_logf.c: Likewise.
	* sysdeps/m68k/fpu/mpatan.c: Likewise.
	* sysdeps/m68k/fpu/s_csin.c: Likewise.
	* sysdeps/m68k/fpu/e_exp2l.c: Likewise.
	* sysdeps/m68k/fpu/e_sinhl.c: Likewise.
	* sysdeps/m68k/fpu/e_atan2l.c: Likewise.
	* sysdeps/m68k/fpu/s_scalbn.c: Likewise.
	* sysdeps/m68k/fpu/s_floorf.c: Likewise.
	* sysdeps/m68k/fpu/e_log2l.c: Likewise.
	* sysdeps/m68k/fpu/s_atanl.c: Likewise.
	* sysdeps/m68k/fpu/s_llrintf.c: Likewise.
	* sysdeps/m68k/fpu/k_sinf.c: Likewise.
	* sysdeps/m68k/fpu/s_csinhf.c: Likewise.
	* sysdeps/m68k/fpu/s_frexp.c: Likewise.
	* sysdeps/m68k/fpu/s_atanf.c: Likewise.
	* sysdeps/m68k/fpu/s_floor.c: Likewise.
	* sysdeps/m68k/fpu/e_exp10l.c: Likewise.
	* sysdeps/m68k/fpu/doasin.c: Likewise.
	* sysdeps/m68k/fpu/s_rintl.c: Likewise.
	* sysdeps/m68k/fpu/e_atanhl.c: Likewise.
	* sysdeps/m68k/fpu/e_remainderf.c: Likewise.
	* sysdeps/m68k/fpu/s_scalbln.c: Likewise.
	* sysdeps/m68k/fpu/e_rem_pio2l.c: Likewise.
	* sysdeps/m68k/fpu/e_exp10.c: Likewise.
	* sysdeps/m68k/fpu/s_lrintf.c: Likewise.
	* sysdeps/m68k/fpu/k_cos.c: Likewise.
	* sysdeps/m68k/fpu/s_lrint.c: Likewise.
	* sysdeps/m68k/fpu/s_ccosf.c: Likewise.
	* sysdeps/m68k/fpu/s_scalblnl.c: Likewise.
	* sysdeps/m68k/fpu/switch/Makefile: Likewise.
	* sysdeps/m68k/fpu/switch/switch.c: Likewise.
	* sysdeps/m68k/fpu/switch/68881-sw.h: Likewise.
	* sysdeps/m68k/fpu/switch/bits/mathinline.h: Likewise.
	* sysdeps/m68k/fpu/e_log.c: Likewise.
	* sysdeps/m68k/fpu/s_nextafterl.c: Likewise.
	* sysdeps/m68k/fpu/s_nearbyintl.c: Likewise.
	* sysdeps/m68k/fpu/mpatan2.c: Likewise.
	* sysdeps/m68k/fpu/k_sin.c: Likewise.
	* sysdeps/m68k/fpu/e_atanh.c: Likewise.
	* sysdeps/m68k/fpu/s_remquo.c: Likewise.
	* sysdeps/m68k/fpu/e_log10l.c: Likewise.
	* sysdeps/m68k/fpu/s_ceilf.c: Likewise.
	* sysdeps/m68k/fpu/s_fabsf.c: Likewise.
	* sysdeps/m68k/fpu/s_significandl.c: Likewise.
	* sysdeps/m68k/fpu/s_ccosh.c: Likewise.
	* sysdeps/m68k/fpu/e_coshl.c: Likewise.
	* sysdeps/m68k/fpu/s_scalbnf.c: Likewise.
	* sysdeps/m68k/fpu/s_finite.c: Likewise.
	* sysdeps/m68k/fpu/e_exp2f.c: Likewise.
	* sysdeps/m68k/fpu/k_rem_pio2f.c: Likewise.
	* sysdeps/m68k/fpu/s_isinfl.c: Likewise.
	* sysdeps/m68k/fpu/bits/mathinline.h: Likewise.
	* sysdeps/m68k/fpu/e_powf.c: Likewise.
	* sysdeps/m68k/rshift.S: Likewise.
	* sysdeps/m68k/lshift.S: Likewise.
	* sysdeps/m68k/strtold_l.c: Likewise.
	* sysdeps/m68k/printf_fphex.c: Likewise.
	* sysdeps/m68k/s_isinfl.c: Likewise.
	* sysdeps/m68k/bits/huge_vall.h: Likewise.

	* sysdeps/m68k/asm-syntax.h (andw, andl, subqw, tstw, tstl): New.
	* sysdeps/m68k/bits/byteswap.h (__bswap32): Don't define for
	Coldfire targets.
	* sysdeps/m68k/bits/setjmp.h (__jmp_buf): Add a 64-byte
	__fpregs field for Coldfire FPUs.
	* sysdeps/m68k/dl-machine.h: Include sysdep.h.
	(elf_machine_load_address): Use PCREL_OP.
	(_dl_start_user): Likewise.
	* sysdeps/m68k/dl-trampoline.S (_dl_runtime_resolve): Avoid jmp (%dN)
	on Coldfire; push the target address and use rts instead.
	(_dl_runtime_profile): Likewise.  Round up the frame size to longword
	rather than word alignment.  Avoid dbra on Coldfire.  Avoid using
	jsr (%d0) on Coldfire; push the return address and target address
	and use rts instead.  Use fmovem.l rather than fmovem.x on Coldfire.
	Add missing initialization of lrv_a0 and restore a0 from it after
	calling _dl_call_pltexit.  Adjust the stack offsets of later data
	accordingly, fixing a previously incorrect offset for the inregs
	parameter.
	* sysdeps/m68k/fpu/fegetenv.c (__fegetenv): Save the control
	registers individually on Coldfire targets.
	* sysdeps/m68k/fpu/feholdexcpt.c (feholdexcept): Likewise.
	Add missing libm_hidden_def.
	* sysdeps/m68k/fpu/fesetenv.c (__fesetenv): Save and restore the
	control registers individually on Coldfire targets.
	* sysdeps/m68k/fpu/fesetround.c (fesetround): Add missing
	libm_hidden_def.
	* sysdeps/m68k/fpu_control.h: Add the Coldfire bit assignments to
	the main comment.
	(_FPU_DOUBLE): Define to 0 for Coldfire.
	(_FPU_EXTENDED): Don't define for Coldfire.
	(_FPU_RESERVED): Include bit 15 for Coldfire.
	* sysdeps/m68k/Implies: Remove ieee754/ldbl-96.
	* sysdeps/m68k/m680x0/Implies: Add it to this new file instead.
	* sysdeps/m68k/ldsodefs.h: New file.
	* sysdeps/m68k/__longjmp.c (__longjmp): Restore the floating-point
	registers when using a Coldfire FPU.
	* sysdeps/m68k/Makefile (long-double-fcts): Delete.
	* sysdeps/m68k/m680x0/Makefile: Add it to this new file instead.
	* sysdeps/m68k/memchr.S (__memchr): Add Coldfire code.  Avoid
	unnecessary moves.
	* sysdeps/m68k/preconfigure (m680?0): Add "m680x0" to $machine.
	(m68k): Use the compiler to decide whether $machine should be
	set to m68k/coldfire or m68k/m680x0/m68020.
	* sysdeps/m68k/rawmemchr.S (__rawmemchr): Add Coldfire code.  Avoid
	unnecessary moves.
	* sysdeps/m68k/setjmp.c (__sigsetjmp): Save the floating-point
	registers when using a Coldfire FPU.  Use libc_hidden_def rather
	than hidden_def.
	* sysdeps/m68k/strchrnul.S (__strchrnul): Add Coldfire code.  Avoid
	unnecessary moves.
	* sysdeps/m68k/strchr.S (strchr): Likewise.
	* sysdeps/m68k/sysdep.h (PCREL_OP): Define.
	* sysdeps/m68k/tst-audit.h: New file.
	* sysdeps/m68k/wcpcpy.c: Likewise.
	* sysdeps/m68k/wcpcpy_chk.c: Likewise.
	* sysdeps/unix/sysv/linux/m68k/configure.in: New file.
	* sysdeps/unix/sysv/linux/m68k/configure: Likewise.
	* sysdeps/unix/sysv/linux/m68k/clone.S (__clone): Add Coldfire code.
	* sysdeps/unix/sysv/linux/m68k/register-dump.h (real_catch_segfault):
	Do not define on Coldfire.
	(catch_segfault): Likewise.
	(register_dump): Use the Coldfire-specific sigcontext fields to
	display call-saved data and address registers (rather than the
	data stored in sc_fpstate by real_catch_segfault).  Display 8-byte
	floating-point registers on Coldfire.
	* sysdeps/unix/sysv/linux/m68k/socket.S (__socket): Pass a temporary
	register to SINGLE_THREAD_P.
	* sysdeps/unix/sysv/linux/m68k/sys/reg.h (PT_FP0): Redefine for
	Coldfire.
	(PT_FP1, PT_FP2, PT_FP3, PT_FP4, PT_FP5, PT_FP6, PT_FP7): Likewise.
	* sysdeps/unix/sysv/linux/m68k/sys/ucontext.h (fpregset): Sync field
	order with linux.  Make f_fpregs an 8*2 array on Coldfire.
	(ucontext): Sync field order with linux.
	* sysdeps/unix/sysv/linux/m68k/sysdep.h: Guard against multiple
	inclusion.
	(SYSCALL_ERROR_HANDLER): Use PCREL_OP.
	* sysdeps/unix/sysv/linux/m68k/syscalls.list (oldgetrlimit): Delete.
	(oldsetrlimit): Likewise.
	* sysdeps/unix/sysv/linux/m68k/m680x0/syscalls.list: New file.
	List oldgetrlimit and oldsetrlimit here instead.
	* sysdeps/unix/sysv/linux/m68k/bits/sigcontext.h: New file.
	* sysdeps/unix/sysv/linux/m68k/bits/siginfo.h: Likewise.
	* sysdeps/m68k/coldfire/bits/atomic.h: Likewise.
	* sysdeps/m68k/coldfire/fpu/e_sqrt.c: Likewise.
	* sysdeps/m68k/coldfire/fpu/e_sqrtf.c: Likewise.
	* sysdeps/m68k/coldfire/fpu/fraiseexcpt.c: Likewise.
	* sysdeps/m68k/coldfire/fpu/libm-test-ulps: Likewise.
	* sysdeps/m68k/coldfire/fpu/s_fabs.c: Likewise.
	* sysdeps/m68k/coldfire/fpu/s_fabsf.c: Likewise.
	* sysdeps/m68k/coldfire/fpu/s_lrint.c: Likewise.
	* sysdeps/m68k/coldfire/fpu/s_lrintf.c: Likewise.
	* sysdeps/m68k/coldfire/fpu/s_rint.c: Likewise.
	* sysdeps/m68k/coldfire/fpu/s_rintf.c: Likewise.
	* sysdeps/m68k/coldfire/shlib-versions: Likewise.
2006-10-03 14:44:27 +00:00

77 lines
2.0 KiB
ArmAsm
Raw Blame History

/* mc68020 __mpn_sub_n -- Subtract two limb vectors of the same length > 0 and
store difference in a third limb vector.
Copyright (C) 1992, 1994, 1996, 1998 Free Software Foundation, Inc.
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 (sp + 4)
s1_ptr (sp + 8)
s2_ptr (sp + 16)
size (sp + 12)
*/
#include "sysdep.h"
#include "asm-syntax.h"
TEXT
ENTRY(__mpn_sub_n)
/* Save used registers on the stack. */
movel R(d2),MEM_PREDEC(sp)
movel R(a2),MEM_PREDEC(sp)
/* Copy the arguments to registers. Better use movem? */
movel MEM_DISP(sp,12),R(a2)
movel MEM_DISP(sp,16),R(a0)
movel MEM_DISP(sp,20),R(a1)
movel MEM_DISP(sp,24),R(d2)
eorw #1,R(d2)
lsrl #1,R(d2)
bcc L(L1)
subql #1,R(d2) /* clears cy as side effect */
L(Loop:)
movel MEM_POSTINC(a0),R(d0)
movel MEM_POSTINC(a1),R(d1)
subxl R(d1),R(d0)
movel R(d0),MEM_POSTINC(a2)
L(L1:) movel MEM_POSTINC(a0),R(d0)
movel MEM_POSTINC(a1),R(d1)
subxl R(d1),R(d0)
movel R(d0),MEM_POSTINC(a2)
dbf R(d2),L(Loop) /* loop until 16 lsb of %4 == -1 */
subxl R(d0),R(d0) /* d0 <= -cy; save cy as 0 or -1 in d0 */
subl #0x10000,R(d2)
bcs L(L2)
addl R(d0),R(d0) /* restore cy */
bra L(Loop)
L(L2:)
negl R(d0)
/* Restore used registers from stack frame. */
movel MEM_POSTINC(sp),R(a2)
movel MEM_POSTINC(sp),R(d2)
rts
END(__mpn_sub_n)
Reference in New Issue View Git Blame Copy Permalink