| swab.S (108533) | swab.S (184548) |
|---|---|
| 1/* 2 * Copyright (c) 1993,94 Winning Strategies, Inc. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 15 unchanged lines hidden (view full) --- 24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31#include <machine/asm.h> | 1/* 2 * Copyright (c) 1993,94 Winning Strategies, Inc. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 15 unchanged lines hidden (view full) --- 24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31#include <machine/asm.h> |
| 32__FBSDID("$FreeBSD: head/lib/libc/i386/string/swab.S 108533 2003-01-01 18:49:04Z schweikh $"); | 32__FBSDID("$FreeBSD: head/lib/libc/i386/string/swab.S 184548 2008-11-02 01:28:47Z peter $"); |
| 33 34/* 35 * void 36 * swab (const void *src, void *dst, size_t len) 37 * copy len bytes from src to dst, swapping adjacent bytes 38 * 39 * On the i486, this code is negligibly faster than the code generated 40 * by gcc at about half the size. If my i386 databook is correct, it --- 51 unchanged lines hidden (view full) --- 92 rorw $8,%ax 93 stosw 94 decl %ecx 95 jnz L3 96 97L4: popl %edi 98 popl %esi 99 ret | 33 34/* 35 * void 36 * swab (const void *src, void *dst, size_t len) 37 * copy len bytes from src to dst, swapping adjacent bytes 38 * 39 * On the i486, this code is negligibly faster than the code generated 40 * by gcc at about half the size. If my i386 databook is correct, it --- 51 unchanged lines hidden (view full) --- 92 rorw $8,%ax 93 stosw 94 decl %ecx 95 jnz L3 96 97L4: popl %edi 98 popl %esi 99 ret |
| 100END(swab) |
|