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avoid bswapl, which is post-i486 (including i486) insn. markus@openbsd

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This commit is contained in:
itojun 2003-11-13 19:36:31 +00:00
parent 302df7965a
commit 08cbee504f
1 changed files with 65 additions and 33 deletions
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98
lib/libcrypto/arch/i386/sha1_586.S
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@ -1,4 +1,4 @@
/* $NetBSD: sha1_586.S,v 1.1 2003/11/13 02:10:00 itojun Exp $ */
/* $NetBSD: sha1_586.S,v 1.2 2003/11/13 19:36:31 itojun Exp $ */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
@ -85,66 +85,98 @@ L000start:
/* First, load the words onto the stack in network byte order */
movl (%esi), %eax
movl 4(%esi), %ecx
.byte 15
.byte 200 /* bswapl %eax */
.byte 15
.byte 201 /* bswapl %ecx */
/* bswapl eax */
xchg %al, %ah
rorl $16, %eax
xchg %al, %ah
/* bswapl ecx */
xchg %cl, %ch
rorl $16, %ecx
xchg %cl, %ch
movl %eax, (%esp)
movl %ecx, 4(%esp)
movl 8(%esi), %eax
movl 12(%esi), %ecx
.byte 15
.byte 200 /* bswapl %eax */
.byte 15
.byte 201 /* bswapl %ecx */
/* bswapl eax */
xchg %al, %ah
rorl $16, %eax
xchg %al, %ah
/* bswapl ecx */
xchg %cl, %ch
rorl $16, %ecx
xchg %cl, %ch
movl %eax, 8(%esp)
movl %ecx, 12(%esp)
movl 16(%esi), %eax
movl 20(%esi), %ecx
.byte 15
.byte 200 /* bswapl %eax */
.byte 15
.byte 201 /* bswapl %ecx */
/* bswapl eax */
xchg %al, %ah
rorl $16, %eax
xchg %al, %ah
/* bswapl ecx */
xchg %cl, %ch
rorl $16, %ecx
xchg %cl, %ch
movl %eax, 16(%esp)
movl %ecx, 20(%esp)
movl 24(%esi), %eax
movl 28(%esi), %ecx
.byte 15
.byte 200 /* bswapl %eax */
.byte 15
.byte 201 /* bswapl %ecx */
/* bswapl eax */
xchg %al, %ah
rorl $16, %eax
xchg %al, %ah
/* bswapl ecx */
xchg %cl, %ch
rorl $16, %ecx
xchg %cl, %ch
movl %eax, 24(%esp)
movl %ecx, 28(%esp)
movl 32(%esi), %eax
movl 36(%esi), %ecx
.byte 15
.byte 200 /* bswapl %eax */
.byte 15
.byte 201 /* bswapl %ecx */
/* bswapl eax */
xchg %al, %ah
rorl $16, %eax
xchg %al, %ah
/* bswapl ecx */
xchg %cl, %ch
rorl $16, %ecx
xchg %cl, %ch
movl %eax, 32(%esp)
movl %ecx, 36(%esp)
movl 40(%esi), %eax
movl 44(%esi), %ecx
.byte 15
.byte 200 /* bswapl %eax */
.byte 15
.byte 201 /* bswapl %ecx */
/* bswapl eax */
xchg %al, %ah
rorl $16, %eax
xchg %al, %ah
/* bswapl ecx */
xchg %cl, %ch
rorl $16, %ecx
xchg %cl, %ch
movl %eax, 40(%esp)
movl %ecx, 44(%esp)
movl 48(%esi), %eax
movl 52(%esi), %ecx
.byte 15
.byte 200 /* bswapl %eax */
.byte 15
.byte 201 /* bswapl %ecx */
/* bswapl eax */
xchg %al, %ah
rorl $16, %eax
xchg %al, %ah
/* bswapl ecx */
xchg %cl, %ch
rorl $16, %ecx
xchg %cl, %ch
movl %eax, 48(%esp)
movl %ecx, 52(%esp)
movl 56(%esi), %eax
movl 60(%esi), %ecx
.byte 15
.byte 200 /* bswapl %eax */
.byte 15
.byte 201 /* bswapl %ecx */
/* bswapl eax */
xchg %al, %ah
rorl $16, %eax
xchg %al, %ah
/* bswapl ecx */
xchg %cl, %ch
rorl $16, %ecx
xchg %cl, %ch
movl %eax, 56(%esp)
movl %ecx, 60(%esp)
/* We now have the X array on the stack */