xref: /src/crypto/external/bsd/openssl/lib/libcrypto/arch/i386/rc4-586.S

#include <machine/asm.h>
.text
.globl	RC4
.type	RC4,@function
.align	16
RC4:
.L_RC4_begin:
	#ifdef __CET__

.byte	243,15,30,251
	#endif

	pushl	%ebp
	pushl	%ebx
	pushl	%esi
	pushl	%edi
	movl	20(%esp),%edi
	movl	24(%esp),%edx
	movl	28(%esp),%esi
	movl	32(%esp),%ebp
	xorl	%eax,%eax
	xorl	%ebx,%ebx
	cmpl	$0,%edx
	je	.L000abort
	movb	(%edi),%al
	movb	4(%edi),%bl
	addl	$8,%edi
	leal	(%esi,%edx,1),%ecx
	subl	%esi,%ebp
	movl	%ecx,24(%esp)
	incb	%al
	cmpl	$-1,256(%edi)
	je	.L001RC4_CHAR
	movl	(%edi,%eax,4),%ecx
	andl	$-4,%edx
	jz	.L002loop1
	movl	%ebp,32(%esp)
	testl	$-8,%edx
	jz	.L003go4loop4
	call	.L004PIC_me_up
.L004PIC_me_up:
	popl	%ebp
	leal	OPENSSL_ia32cap_P-.L004PIC_me_up(%ebp),%ebp
	btl	$26,(%ebp)
	jnc	.L003go4loop4
	movl	32(%esp),%ebp
	andl	$-8,%edx
	leal	-8(%esi,%edx,1),%edx
	movl	%edx,-4(%edi)
	addb	%cl,%bl
	movl	(%edi,%ebx,4),%edx
	movl	%ecx,(%edi,%ebx,4)
	movl	%edx,(%edi,%eax,4)
	incl	%eax
	addl	%ecx,%edx
	movzbl	%al,%eax
	movzbl	%dl,%edx
	movq	(%esi),%mm0
	movl	(%edi,%eax,4),%ecx
	movd	(%edi,%edx,4),%mm2
	jmp	.L005loop_mmx_enter
.align	16
.L006loop_mmx:
	addb	%cl,%bl
	psllq	$56,%mm1
	movl	(%edi,%ebx,4),%edx
	movl	%ecx,(%edi,%ebx,4)
	movl	%edx,(%edi,%eax,4)
	incl	%eax
	addl	%ecx,%edx
	movzbl	%al,%eax
	movzbl	%dl,%edx
	pxor	%mm1,%mm2
	movq	(%esi),%mm0
	movq	%mm2,-8(%ebp,%esi,1)
	movl	(%edi,%eax,4),%ecx
	movd	(%edi,%edx,4),%mm2
.L005loop_mmx_enter:
	addb	%cl,%bl
	movl	(%edi,%ebx,4),%edx
	movl	%ecx,(%edi,%ebx,4)
	movl	%edx,(%edi,%eax,4)
	incl	%eax
	addl	%ecx,%edx
	movzbl	%al,%eax
	movzbl	%dl,%edx
	pxor	%mm0,%mm2
	movl	(%edi,%eax,4),%ecx
	movd	(%edi,%edx,4),%mm1
	addb	%cl,%bl
	psllq	$8,%mm1
	movl	(%edi,%ebx,4),%edx
	movl	%ecx,(%edi,%ebx,4)
	movl	%edx,(%edi,%eax,4)
	incl	%eax
	addl	%ecx,%edx
	movzbl	%al,%eax
	movzbl	%dl,%edx
	pxor	%mm1,%mm2
	movl	(%edi,%eax,4),%ecx
	movd	(%edi,%edx,4),%mm1
	addb	%cl,%bl
	psllq	$16,%mm1
	movl	(%edi,%ebx,4),%edx
	movl	%ecx,(%edi,%ebx,4)
	movl	%edx,(%edi,%eax,4)
	incl	%eax
	addl	%ecx,%edx
	movzbl	%al,%eax
	movzbl	%dl,%edx
	pxor	%mm1,%mm2
	movl	(%edi,%eax,4),%ecx
	movd	(%edi,%edx,4),%mm1
	addb	%cl,%bl
	psllq	$24,%mm1
	movl	(%edi,%ebx,4),%edx
	movl	%ecx,(%edi,%ebx,4)
	movl	%edx,(%edi,%eax,4)
	incl	%eax
	addl	%ecx,%edx
	movzbl	%al,%eax
	movzbl	%dl,%edx
	pxor	%mm1,%mm2
	movl	(%edi,%eax,4),%ecx
	movd	(%edi,%edx,4),%mm1
	addb	%cl,%bl
	psllq	$32,%mm1
	movl	(%edi,%ebx,4),%edx
	movl	%ecx,(%edi,%ebx,4)
	movl	%edx,(%edi,%eax,4)
	incl	%eax
	addl	%ecx,%edx
	movzbl	%al,%eax
	movzbl	%dl,%edx
	pxor	%mm1,%mm2
	movl	(%edi,%eax,4),%ecx
	movd	(%edi,%edx,4),%mm1
	addb	%cl,%bl
	psllq	$40,%mm1
	movl	(%edi,%ebx,4),%edx
	movl	%ecx,(%edi,%ebx,4)
	movl	%edx,(%edi,%eax,4)
	incl	%eax
	addl	%ecx,%edx
	movzbl	%al,%eax
	movzbl	%dl,%edx
	pxor	%mm1,%mm2
	movl	(%edi,%eax,4),%ecx
	movd	(%edi,%edx,4),%mm1
	addb	%cl,%bl
	psllq	$48,%mm1
	movl	(%edi,%ebx,4),%edx
	movl	%ecx,(%edi,%ebx,4)
	movl	%edx,(%edi,%eax,4)
	incl	%eax
	addl	%ecx,%edx
	movzbl	%al,%eax
	movzbl	%dl,%edx
	pxor	%mm1,%mm2
	movl	(%edi,%eax,4),%ecx
	movd	(%edi,%edx,4),%mm1
	movl	%ebx,%edx
	xorl	%ebx,%ebx
	movb	%dl,%bl
	cmpl	-4(%edi),%esi
	leal	8(%esi),%esi
	jb	.L006loop_mmx
	psllq	$56,%mm1
	pxor	%mm1,%mm2
	movq	%mm2,-8(%ebp,%esi,1)
	emms
	cmpl	24(%esp),%esi
	je	.L007done
	jmp	.L002loop1
.align	16
.L003go4loop4:
	leal	-4(%esi,%edx,1),%edx
	movl	%edx,28(%esp)
.L008loop4:
	addb	%cl,%bl
	movl	(%edi,%ebx,4),%edx
	movl	%ecx,(%edi,%ebx,4)
	movl	%edx,(%edi,%eax,4)
	addl	%ecx,%edx
	incb	%al
	andl	$255,%edx
	movl	(%edi,%eax,4),%ecx
	movl	(%edi,%edx,4),%ebp
	addb	%cl,%bl
	movl	(%edi,%ebx,4),%edx
	movl	%ecx,(%edi,%ebx,4)
	movl	%edx,(%edi,%eax,4)
	addl	%ecx,%edx
	incb	%al
	andl	$255,%edx
	rorl	$8,%ebp
	movl	(%edi,%eax,4),%ecx
	orl	(%edi,%edx,4),%ebp
	addb	%cl,%bl
	movl	(%edi,%ebx,4),%edx
	movl	%ecx,(%edi,%ebx,4)
	movl	%edx,(%edi,%eax,4)
	addl	%ecx,%edx
	incb	%al
	andl	$255,%edx
	rorl	$8,%ebp
	movl	(%edi,%eax,4),%ecx
	orl	(%edi,%edx,4),%ebp
	addb	%cl,%bl
	movl	(%edi,%ebx,4),%edx
	movl	%ecx,(%edi,%ebx,4)
	movl	%edx,(%edi,%eax,4)
	addl	%ecx,%edx
	incb	%al
	andl	$255,%edx
	rorl	$8,%ebp
	movl	32(%esp),%ecx
	orl	(%edi,%edx,4),%ebp
	rorl	$8,%ebp
	xorl	(%esi),%ebp
	cmpl	28(%esp),%esi
	movl	%ebp,(%ecx,%esi,1)
	leal	4(%esi),%esi
	movl	(%edi,%eax,4),%ecx
	jb	.L008loop4
	cmpl	24(%esp),%esi
	je	.L007done
	movl	32(%esp),%ebp
.align	16
.L002loop1:
	addb	%cl,%bl
	movl	(%edi,%ebx,4),%edx
	movl	%ecx,(%edi,%ebx,4)
	movl	%edx,(%edi,%eax,4)
	addl	%ecx,%edx
	incb	%al
	andl	$255,%edx
	movl	(%edi,%edx,4),%edx
	xorb	(%esi),%dl
	leal	1(%esi),%esi
	movl	(%edi,%eax,4),%ecx
	cmpl	24(%esp),%esi
	movb	%dl,-1(%ebp,%esi,1)
	jb	.L002loop1
	jmp	.L007done
.align	16
.L001RC4_CHAR:
	movzbl	(%edi,%eax,1),%ecx
.L009cloop1:
	addb	%cl,%bl
	movzbl	(%edi,%ebx,1),%edx
	movb	%cl,(%edi,%ebx,1)
	movb	%dl,(%edi,%eax,1)
	addb	%cl,%dl
	movzbl	(%edi,%edx,1),%edx
	addb	$1,%al
	xorb	(%esi),%dl
	leal	1(%esi),%esi
	movzbl	(%edi,%eax,1),%ecx
	cmpl	24(%esp),%esi
	movb	%dl,-1(%ebp,%esi,1)
	jb	.L009cloop1
.L007done:
	decb	%al
	movl	%ebx,-4(%edi)
	movb	%al,-8(%edi)
.L000abort:
	popl	%edi
	popl	%esi
	popl	%ebx
	popl	%ebp
	ret
.size	RC4,.-.L_RC4_begin
.globl	RC4_set_key
.type	RC4_set_key,@function
.align	16
RC4_set_key:
.L_RC4_set_key_begin:
	#ifdef __CET__

.byte	243,15,30,251
	#endif

	pushl	%ebp
	pushl	%ebx
	pushl	%esi
	pushl	%edi
	movl	20(%esp),%edi
	movl	24(%esp),%ebp
	movl	28(%esp),%esi
	call	.L010PIC_me_up
.L010PIC_me_up:
	popl	%edx
	leal	OPENSSL_ia32cap_P-.L010PIC_me_up(%edx),%edx
	leal	8(%edi),%edi
	leal	(%esi,%ebp,1),%esi
	negl	%ebp
	xorl	%eax,%eax
	movl	%ebp,-4(%edi)
	btl	$20,(%edx)
	jc	.L011c1stloop
.align	16
.L012w1stloop:
	movl	%eax,(%edi,%eax,4)
	addb	$1,%al
	jnc	.L012w1stloop
	xorl	%ecx,%ecx
	xorl	%edx,%edx
.align	16
.L013w2ndloop:
	movl	(%edi,%ecx,4),%eax
	addb	(%esi,%ebp,1),%dl
	addb	%al,%dl
	addl	$1,%ebp
	movl	(%edi,%edx,4),%ebx
	jnz	.L014wnowrap
	movl	-4(%edi),%ebp
.L014wnowrap:
	movl	%eax,(%edi,%edx,4)
	movl	%ebx,(%edi,%ecx,4)
	addb	$1,%cl
	jnc	.L013w2ndloop
	jmp	.L015exit
.align	16
.L011c1stloop:
	movb	%al,(%edi,%eax,1)
	addb	$1,%al
	jnc	.L011c1stloop
	xorl	%ecx,%ecx
	xorl	%edx,%edx
	xorl	%ebx,%ebx
.align	16
.L016c2ndloop:
	movb	(%edi,%ecx,1),%al
	addb	(%esi,%ebp,1),%dl
	addb	%al,%dl
	addl	$1,%ebp
	movb	(%edi,%edx,1),%bl
	jnz	.L017cnowrap
	movl	-4(%edi),%ebp
.L017cnowrap:
	movb	%al,(%edi,%edx,1)
	movb	%bl,(%edi,%ecx,1)
	addb	$1,%cl
	jnc	.L016c2ndloop
	movl	$-1,256(%edi)
.L015exit:
	xorl	%eax,%eax
	movl	%eax,-8(%edi)
	movl	%eax,-4(%edi)
	popl	%edi
	popl	%esi
	popl	%ebx
	popl	%ebp
	ret
.size	RC4_set_key,.-.L_RC4_set_key_begin
.globl	RC4_options
.type	RC4_options,@function
.align	16
RC4_options:
.L_RC4_options_begin:
	#ifdef __CET__

.byte	243,15,30,251
	#endif

	call	.L018pic_point
.L018pic_point:
	popl	%eax
	leal	.L019opts-.L018pic_point(%eax),%eax
	call	.L020PIC_me_up
.L020PIC_me_up:
	popl	%edx
	leal	OPENSSL_ia32cap_P-.L020PIC_me_up(%edx),%edx
	movl	(%edx),%edx
	btl	$20,%edx
	jc	.L0211xchar
	btl	$26,%edx
	jnc	.L022ret
	addl	$25,%eax
	ret
.L0211xchar:
	addl	$12,%eax
.L022ret:
	ret
.align	64
.L019opts:
.byte	114,99,52,40,52,120,44,105,110,116,41,0
.byte	114,99,52,40,49,120,44,99,104,97,114,41,0
.byte	114,99,52,40,56,120,44,109,109,120,41,0
.byte	82,67,52,32,102,111,114,32,120,56,54,44,32,67,82,89
.byte	80,84,79,71,65,77,83,32,98,121,32,60,97,112,112,114
.byte	111,64,111,112,101,110,115,115,108,46,111,114,103,62,0
.align	64
.size	RC4_options,.-.L_RC4_options_begin
.comm	OPENSSL_ia32cap_P,16,4

	.section ".note.gnu.property", "a"
	.p2align 2
	.long 1f - 0f
	.long 4f - 1f
	.long 5
0:
	.asciz "GNU"
1:
	.p2align 2
	.long 0xc0000002
	.long 3f - 2f
2:
	.long 3
3:
	.p2align 2
4: