newlib-cygwin/newlib/libc/machine/i386/memset.S

/*
 * ====================================================
 * Copyright (C) 1998, 2002 by Red Hat Inc. All rights reserved.
 *
 * Permission to use, copy, modify, and distribute this
 * software is freely granted, provided that this notice
 * is preserved.
 * ====================================================
 */

	#include "i386mach.h"

	.global SYM (memset)
       SOTYPE_FUNCTION(memset)

SYM (memset):

	pushl ebp
	movl esp,ebp
	pushl edi
	pushl ebx
	movl 8(ebp),edi
	movl 12(ebp),eax
	movl 16(ebp),ecx
	cld

#ifndef __OPTIMIZE_SIZE__
	andl $255,eax
	movl ecx,ebx
	testl $3,edi
	jne .L19
	cmpl $16,ecx
	jbe .L19

	movl eax,edx
	sall $8,eax
	orl edx,eax

	movl eax,edx
	sall $16,edx
	orl edx,eax

	shrl $2,ecx
	andl $3,ebx
	rep
	stosl
	movl ebx,ecx
#endif /* not __OPTIMIZE_SIZE__ */
	
.L19:
	rep
	stosb

	movl 8(ebp),eax

	leal -8(ebp),esp
	popl ebx
	popl edi
	leave
	ret
import newlib-2000-02-17 snapshot 2000-02-17 19:39:52 +00:00			`/*`
			`* ====================================================`
2002-12-20 Jeff Johnston <jjohnstn@redhat.com> * libc/machine/i386/f_atan2.S: Change copyright from Cygnus Solutions to Red Hat Inc. * libc/machine/i386/f_atan2f.S: Ditto. * libc/machine/i386/f_exp.c: Ditto. * libc/machine/i386/f_expf.c: Ditto. * libc/machine/i386/f_frexp.S: Ditto. * libc/machine/i386/f_frexpf.S: Ditto. * libc/machine/i386/f_ldexp.S: Ditto. * libc/machine/i386/f_ldexpf.S: Ditto. * libc/machine/i386/f_log.S: Ditto. * libc/machine/i386/f_log10.S: Ditto. * libc/machine/i386/f_log10f.S: Ditto. * libc/machine/i386/f_logf.S: Ditto. * libc/machine/i386/f_pow.c: Ditto. * libc/machine/i386/f_powf.c: Ditto. * libc/machine/i386/f_tan.S: Ditto. * libc/machine/i386/f_tanf.S: Ditto. * libc/machine/i386/memchr.S: Ditto. * libc/machine/i386/memcmp.S: Ditto. * libc/machine/i386/memcpy.S: Ditto. * libc/machine/i386/memmove.S: Ditto. * libc/machine/i386/memset.S: Ditto. * libc/machine/i386/strchr.S: Ditto. * libc/machine/i386/strlen.S: Ditto. * libm/machine/i386/f_atan2.S: Ditto. * libm/machine/i386/f_atan2f.S: Ditto. * libm/machine/i386/f_exp.c: Ditto. * libm/machine/i386/f_expf.c: Ditto. * libm/machine/i386/f_frexp.S: Ditto. * libm/machine/i386/f_frexpf.S: Ditto. * libm/machine/i386/f_ldexp.S: Ditto. * libm/machine/i386/f_ldexpf.S: Ditto. * libm/machine/i386/f_log.S: Ditto. * libm/machine/i386/f_log10.S: Ditto. * libm/machine/i386/f_log10f.S: Ditto. * libm/machine/i386/f_logf.S: Ditto. * libm/machine/i386/f_pow.c: Ditto. * libm/machine/i386/f_powf.c: Ditto. * libm/machine/i386/f_tan.S: Ditto. * libm/machine/i386/f_tanf.S: Ditto. 2002-12-20 21:31:20 +00:00			`* Copyright (C) 1998, 2002 by Red Hat Inc. All rights reserved.`
import newlib-2000-02-17 snapshot 2000-02-17 19:39:52 +00:00			`*`
			`* Permission to use, copy, modify, and distribute this`
			`* software is freely granted, provided that this notice`
			`* is preserved.`
			`* ====================================================`
			`*/`

			`#include "i386mach.h"`

			`.global SYM (memset)`
2000-08-27 Werner Almesberger <Werner.Almesberger@epfl.ch> * libc/machine/i386/i386mach.h: added SOTYPE_FUNCTION to set type of global entry points if _I386MACH_NEED_SOTYPE_FUNCTION is defined; Added __CLI and __STI macros (controlled via _I386MACH_ALLOW_HW_INTERRUPTS macro). * libc/machine/i386/f_atan2.S libc/machine/i386/f_atan2f.S libc/machine/i386/f_frexp.S libc/machine/i386/f_frexpf.S libc/machine/i386/f_ldexp.S libc/machine/i386/f_ldexpf.S libc/machine/i386/f_log.S libc/machine/i386/f_log10.S libc/machine/i386/f_log10f.S libc/machine/i386/f_logf.S libc/machine/i386/f_tan.S libc/machine/i386/f_tanf.S libc/machine/i386/memchr.S libc/machine/i386/memcmp.S libc/machine/i386/memcpy.S libc/machine/i386/memmove.S libc/machine/i386/memset.S libc/machine/i386/setjmp.S libc/machine/i386/strchr.S libc/machine/i386/strlen.S: (that's libc/machine/i386/.S) added SOTYPE_FUNCTION(symbol) for all global entry points. libc/machine/i386/setjmp.S: removed code replicated in libc/machine/i386/i386mach.h and included i386mach.h instead; Use __CLI and __STI instead of cli and sti. 2000-08-28 17:50:06 +00:00			`SOTYPE_FUNCTION(memset)`
import newlib-2000-02-17 snapshot 2000-02-17 19:39:52 +00:00
			`SYM (memset):`

			`pushl ebp`
			`movl esp,ebp`
			`pushl edi`
			`pushl ebx`
			`movl 8(ebp),edi`
			`movl 12(ebp),eax`
			`movl 16(ebp),ecx`
			`cld`

			`#ifndef __OPTIMIZE_SIZE__`
			`andl $255,eax`
			`movl ecx,ebx`
			`testl $3,edi`
			`jne .L19`
			`cmpl $16,ecx`
			`jbe .L19`

			`movl eax,edx`
			`sall $8,eax`
			`orl edx,eax`

			`movl eax,edx`
			`sall $16,edx`
			`orl edx,eax`

			`shrl $2,ecx`
			`andl $3,ebx`
			`rep`
			`stosl`
			`movl ebx,ecx`
			`#endif /* not __OPTIMIZE_SIZE__ */`

			`.L19:`
			`rep`
			`stosb`

			`movl 8(ebp),eax`

			`leal -8(ebp),esp`
			`popl ebx`
			`popl edi`
			`leave`
			`ret`