Cygwin: split out x86_64 memset/memcpy functions

move the assembler memset and memcpy functions into their own
assembler files.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>

1 files changed, 0 insertions, 207 deletions

diff --git a/winsup/cygwin/miscfuncs.cc b/winsup/cygwin/miscfuncs.cc
index bc362e3..1513bc0 100644
--- a/winsup/cygwin/miscfuncs.cc
+++ b/winsup/cygwin/miscfuncs.cc
@@ -705,213 +705,6 @@ err:
   return thread;
 }
 
-#ifdef __x86_64__
-/* These functions are almost verbatim FreeBSD code (even if the header of
-   one file mentiones NetBSD), just wrapped in the minimum required code to
-   make them work with the MS AMD64 ABI.
-   See FreeBSD src/lib/libc/amd64/string/memset.S
-   and FreeBSD src/lib/libc/amd64/string/bcopy.S */
-
-asm ("								\n\
-/*									\n\
- * Written by J.T. Conklin <jtc@NetBSD.org>.				\n\
- * Public domain.							\n\
- * Adapted for NetBSD/x86_64 by						\n\
- * Frank van der Linden <fvdl@wasabisystems.com>			\n\
- */									\n\
-									\n\
-	.globl	memset							\n\
-	.seh_proc memset						\n\
-memset:									\n\
-	movq	%rsi,8(%rsp)						\n\
-	movq	%rdi,16(%rsp)						\n\
-	.seh_endprologue						\n\
-	movq	%rcx,%rdi						\n\
-	movq	%rdx,%rsi						\n\
-	movq	%r8,%rdx						\n\
-									\n\
-	movq    %rsi,%rax						\n\
-	andq    $0xff,%rax						\n\
-	movq    %rdx,%rcx						\n\
-	movq    %rdi,%r11						\n\
-									\n\
-	cld			/* set fill direction forward */	\n\
-									\n\
-	/* if the string is too short, it's really not worth the	\n\
-	 * overhead of aligning to word boundries, etc.  So we jump to	\n\
-	 * a plain unaligned set. */					\n\
-	cmpq    $0x0f,%rcx						\n\
-	jle     L1							\n\
-									\n\
-	movb    %al,%ah		/* copy char to all bytes in word */\n\
-	movl    %eax,%edx						\n\
-	sall    $16,%eax						\n\
-	orl     %edx,%eax						\n\
-									\n\
-	movl    %eax,%edx						\n\
-	salq    $32,%rax						\n\
-	orq     %rdx,%rax						\n\
-									\n\
-	movq    %rdi,%rdx	/* compute misalignment */		\n\
-	negq    %rdx							\n\
-	andq    $7,%rdx							\n\
-	movq    %rcx,%r8						\n\
-	subq    %rdx,%r8						\n\
-									\n\
-	movq    %rdx,%rcx	/* set until word aligned */		\n\
-	rep								\n\
-	stosb								\n\
-									\n\
-	movq    %r8,%rcx						\n\
-	shrq    $3,%rcx		/* set by words */			\n\
-	rep								\n\
-	stosq								\n\
-									\n\
-	movq    %r8,%rcx	/* set remainder by bytes */		\n\
-	andq    $7,%rcx							\n\
-L1:     rep								\n\
-	stosb								\n\
-	movq    %r11,%rax						\n\
-									\n\
-	movq	8(%rsp),%rsi						\n\
-	movq	16(%rsp),%rdi						\n\
-	ret								\n\
-	.seh_endproc							\n\
-");
-
-asm ("								\n\
-/*-									\n\
- * Copyright (c) 1990 The Regents of the University of California.	\n\
- * All rights reserved.							\n\
- *									\n\
- * This code is derived from locore.s.					\n\
- *									\n\
- * Redistribution and use in source and binary forms, with or without	\n\
- * modification, are permitted provided that the following conditions	\n\
- * are met:								\n\
- * 1. Redistributions of source code must retain the above copyright	\n\
- *    notice, this list of conditions and the following disclaimer.	\n\
- * 2. Redistributions in binary form must reproduce the above copyright	\n\
- *    notice, this list of conditions and the following disclaimer in	\n\
- *    the documentation and/or other materials provided with the	\n\
- *    distribution.							\n\
- * 3. Neither the name of the University nor the names of its		\n\
- *    contributors may be used to endorse or promote products derived	\n\
- *    from this software without specific prior written permission.	\n\
- *									\n\
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS''	\n\
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,\n\
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A		\n\
- * PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR	\n\
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,\n\
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,	\n\
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR	\n\
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY	\n\
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT		\n\
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE	\n\
- * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH	\n\
- * DAMAGE.								\n\
- */									\n\
-									\n\
-	.seh_proc _memcpy						\n\
-_memcpy:								\n\
-	movq	%rsi,8(%rsp)						\n\
-	movq	%rdi,16(%rsp)						\n\
-	.seh_endprologue						\n\
-	movq	%rcx,%rdi						\n\
-	movq	%rdx,%rsi						\n\
-	movq	%r8,%rdx						\n\
-									\n\
-	movq    %rdx,%rcx						\n\
-	movq    %rdi,%r8						\n\
-	subq    %rsi,%r8						\n\
-	cmpq    %rcx,%r8	/* overlapping? */			\n\
-	jb      1f							\n\
-	cld                     /* nope, copy forwards. */		\n\
-	shrq    $3,%rcx		/* copy by words */			\n\
-	rep movsq							\n\
-	movq    %rdx,%rcx						\n\
-	andq    $7,%rcx		/* any bytes left? */			\n\
-	rep movsb							\n\
-	jmp	2f							\n\
-1:									\n\
-	addq    %rcx,%rdi	/* copy backwards. */			\n\
-	addq    %rcx,%rsi						\n\
-	std								\n\
-	andq    $7,%rcx		/* any fractional bytes? */		\n\
-	decq    %rdi							\n\
-	decq    %rsi							\n\
-	rep movsb							\n\
-	movq    %rdx,%rcx	/* copy remainder by words */		\n\
-	shrq    $3,%rcx							\n\
-	subq    $7,%rsi							\n\
-	subq    $7,%rdi							\n\
-	rep movsq							\n\
-	cld								\n\
-2:									\n\
-	movq	8(%rsp),%rsi						\n\
-	movq	16(%rsp),%rdi						\n\
-	ret								\n\
-	.seh_endproc							\n\
-									\n\
-	.globl  memmove							\n\
-	.seh_proc memmove						\n\
-memmove:								\n\
-	.seh_endprologue						\n\
-	movq	%rcx,%rax	/* return dst */			\n\
-	jmp	_memcpy							\n\
-	.seh_endproc							\n\
-									\n\
-	.globl  memcpy							\n\
-	.seh_proc memcpy						\n\
-memcpy:									\n\
-	.seh_endprologue						\n\
-	movq	%rcx,%rax	/* return dst */			\n\
-	jmp	_memcpy							\n\
-	.seh_endproc							\n\
-									\n\
-	.globl  mempcpy							\n\
-	.seh_proc mempcpy						\n\
-mempcpy:								\n\
-	.seh_endprologue						\n\
-	movq	%rcx,%rax	/* return dst  */			\n\
-	addq	%r8,%rax	/*         + n */			\n\
-	jmp	_memcpy							\n\
-	.seh_endproc							\n\
-									\n\
-	.globl  wmemmove						\n\
-	.seh_proc wmemmove						\n\
-wmemmove:								\n\
-	.seh_endprologue						\n\
-	shlq	$1,%r8		/* cnt * sizeof (wchar_t) */		\n\
-	movq	%rcx,%rax	/* return dst */			\n\
-	jmp	_memcpy							\n\
-	.seh_endproc							\n\
-									\n\
-	.globl  wmemcpy							\n\
-	.seh_proc wmemcpy						\n\
-wmemcpy:								\n\
-	.seh_endprologue						\n\
-	shlq	$1,%r8		/* cnt * sizeof (wchar_t) */		\n\
-	movq	%rcx,%rax	/* return dst */			\n\
-	jmp	_memcpy							\n\
-	.seh_endproc							\n\
-									\n\
-	.globl  wmempcpy						\n\
-	.seh_proc wmempcpy						\n\
-wmempcpy:								\n\
-	.seh_endprologue						\n\
-	shlq	$1,%r8		/* cnt * sizeof (wchar_t) */		\n\
-	movq	%rcx,%rax	/* return dst */			\n\
-	addq	%r8,%rax	/*         + n */			\n\
-	jmp	_memcpy							\n\
-	.seh_endproc							\n\
-");
-
-#else
-#error unimplemented for this target
-#endif
-
 /* Signal the thread name to any attached debugger
 
    (See "How to: Set a Thread Name in Native Code"