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2e1a71756e
* libc/sys/linux/shared.ld: New file. * libm/machine/*: New files. * libm/machine/i386/*: New files. * Makefile.am: Add libtool support. Change math and mathfp references to variables. * configure.host: Add variables for libtool support. Add libm_machine_dir variable. * configure.in: Add objectlist variables, for libtool support. Add CC_FOR_BUILD tests. * libc/Makefile.am: Add libtool support. Change crt0.o reference to be a variable reference. * libc/configure.in: Add libtool support. Change sublib names to be lib${subdir}.la when using libtool. * libc/ctype/Makefile.am: Add libtool support. * libc/errno/Makefile.am: Likewise. * libc/locale/Makefile.am: Likewise. * libc/machine/Makefile.am: Likewise. * libc/machine/configure.in: Likewise. * libc/machine/i386/Makefile.am: Likewise. * libc/machine/i386/configure.in: Likewise. * libc/misc/Makefile.am: Likewise. * libc/posix/Makefile.am: Likewise. * libc/reent/Makefile.am: Likewise. * libc/signal/Makefile.am: Likewise. * libc/stdio/Makefile.am: Likewise. * libc/stdlib/Makefile.am: Likewise. * libc/string/Makefile.am: Likewise. * libc/sys/Makefile.am: Likewise. * libc/sys/configure.in: Likewise. * libc/sys/linux/Makefile.am: Add libtool support. Change awk reference to a variable reference. Change signal.h reference to a variable reference. * libc/sys/linux/configure.in: Add libtool support. * libc/syscalls/Makefile.am: Likewise. * libc/time/Makefile.am: Likewise. * libc/unix/Makefile.am: Likewise. * libm/Makefile.am: Add libtool support. Change math and mathfp references to variables. * libm/configure.in: Add libtool support. Add LIBM_MACHINE_LIB variable. * libm/common/Makefile.am: Add libtool support. * libm/math/Makefile.am: Likewise. * libm/mathfp/Makefile.am: Likewise. Regenerate all Makefile.in, aclocal.m4, and configure.
45 lines
811 B
ArmAsm
45 lines
811 B
ArmAsm
/*
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* ====================================================
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* Copyright (C) 1998 by Cygnus Solutions. All rights reserved.
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*
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* Permission to use, copy, modify, and distribute this
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* software is freely granted, provided that this notice
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* is preserved.
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* ====================================================
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*/
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/*
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Fast version of frexpf using Intel float instructions.
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float _f_frexpf (float x, int *exp);
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Function splits x into y * 2 ** z. It then
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returns the value of y and updates *exp with z.
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There is no error checking or setting of errno.
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*/
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#include "i386mach.h"
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.global SYM (_f_frexpf)
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SOTYPE_FUNCTION(_f_frexpf)
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SYM (_f_frexpf):
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pushl ebp
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movl esp,ebp
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flds 8(ebp)
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movl 12(ebp),eax
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fxtract
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fld1
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fchs
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fxch
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fscale
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fstp st1
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fxch
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fld1
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faddp
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fistpl 0(eax)
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leave
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ret
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