iamax_sse2.s

Optimized GotoBLAS libraries

	ALIGN_3	

.L57:
	testl	$2, MM
	je	.L58

	movsd	0 * SIZE(XX), %xmm4
	movhpd	1 * SIZE(XX), %xmm4
#ifdef ABS
	andpd	 %xmm7, %xmm4
#endif
	maxpd	%xmm4, %xmm2
	addl	$2 * SIZE, XX
	
.L58:
	testl	$1, MM
	je	.L60

	movsd	0 * SIZE(XX), %xmm4
	unpcklpd  %xmm4, %xmm4
#ifdef ABS
	andpd	 %xmm7, %xmm4
#endif
	maxpd	%xmm4, %xmm3
	ALIGN_3

.L60:
	movl	X, XX
	movl	M, MM

	maxpd	 %xmm1, %xmm0
	maxpd	 %xmm3, %xmm2
	maxpd	 %xmm2, %xmm0
	movapd	 %xmm0, %xmm1
	unpckhpd %xmm0, %xmm0
	maxsd	 %xmm1, %xmm0
	unpcklpd %xmm0, %xmm0

	movl	MM,  I
	sarl	$3, I
	jle	.L65
	ALIGN_4
	
.L62:
	prefetcht0	PREFETCHSIZE * SIZE(XX)

	movsd	0 * SIZE(XX), %xmm1
	movhpd	1 * SIZE(XX), %xmm1
#ifdef ABS
	andpd	 %xmm7, %xmm1
#endif
	cmpeqpd	%xmm0, %xmm1

	movsd	2 * SIZE(XX), %xmm2
	movhpd	3 * SIZE(XX), %xmm2
#ifdef ABS
	andpd	 %xmm7, %xmm2
#endif
	cmpeqpd	%xmm0, %xmm2

	movsd	4 * SIZE(XX), %xmm3
	movhpd	5 * SIZE(XX), %xmm3
#ifdef ABS
	andpd	 %xmm7, %xmm3
#endif
	cmpeqpd	%xmm0, %xmm3

	movsd	6 * SIZE(XX), %xmm4
	movhpd	7 * SIZE(XX), %xmm4
#ifdef ABS
	andpd	 %xmm7, %xmm4
#endif
	cmpeqpd	%xmm0, %xmm4

	orpd	%xmm2, %xmm1
	orpd	%xmm4, %xmm3
	orpd	%xmm3, %xmm1
	movmskpd %xmm1, TEMP
	testl	 $3, TEMP
	jne	 .L63

	addl	$8 * SIZE, XX
	addl	$8, RET
	decl	I
	jg	.L62
	jmp	.L65
	ALIGN_4

.L63:
	movsd	0 * SIZE(XX), %xmm1
	movsd	1 * SIZE(XX), %xmm2
	movsd	2 * SIZE(XX), %xmm3
	movsd	3 * SIZE(XX), %xmm4

#ifdef ABS
	andpd	 %xmm7, %xmm1
	andpd	 %xmm7, %xmm2
	andpd	 %xmm7, %xmm3
	andpd	 %xmm7, %xmm4
#endif

	incl	RET
	comisd	%xmm0, %xmm1
	je	.L999
	incl	RET
	comisd	%xmm0, %xmm2
	je	.L999
	incl	RET
	comisd	%xmm0, %xmm3
	je	.L999
	incl	RET
	comisd	%xmm0, %xmm4
	je	.L999
	incl	RET

	movsd	4 * SIZE(XX), %xmm1
	movsd	5 * SIZE(XX), %xmm2
	movsd	6 * SIZE(XX), %xmm3
	
#ifdef ABS
	andpd	 %xmm7, %xmm1
	andpd	 %xmm7, %xmm2
	andpd	 %xmm7, %xmm3
#endif
	
	comisd	%xmm0, %xmm1
	je	.L999
	incl	RET
	comisd	%xmm0, %xmm2
	je	.L999
	incl	RET
	comisd	%xmm0, %xmm3
	je	.L999
	incl	RET
	jmp	.L999
	ALIGN_3

.L65:
	testl	$4, MM
	je	.L67

	movsd	0 * SIZE(XX), %xmm1
	movsd	1 * SIZE(XX), %xmm2
	movsd	2 * SIZE(XX), %xmm3
	movsd	3 * SIZE(XX), %xmm4
#ifdef ABS
	andpd	 %xmm7, %xmm1
	andpd	 %xmm7, %xmm2
	andpd	 %xmm7, %xmm3
	andpd	 %xmm7, %xmm4
#endif
	addl	$4 * SIZE, XX
	incl	RET
	comisd	%xmm0, %xmm1
	je	.L999
	incl	RET
	comisd	%xmm0, %xmm2
	je	.L999
	incl	RET
	comisd	%xmm0, %xmm3
	je	.L999
	incl	RET
	comisd	%xmm0, %xmm4
	je	.L999
	ALIGN_3	

.L67:
	testl	$2, MM
	je	.L68

	movsd	0 * SIZE(XX), %xmm1
	movsd	1 * SIZE(XX), %xmm2
#ifdef ABS
	andpd	 %xmm7, %xmm1
	andpd	 %xmm7, %xmm2
#endif
	addl	$2 * SIZE, XX
	incl	RET
	comisd	%xmm0, %xmm1
	je	.L999
	incl	RET
	comisd	%xmm0, %xmm2
	je	.L999
	ALIGN_3
	
.L68:
	incl	RET
	jmp	.L999
	ALIGN_4

.L80:
	movl	MM,  I
	sarl	$4, I
	jle	.L85
	ALIGN_4
	
.L81:
	prefetcht0	PREFETCHSIZE * SIZE(XX)

	movsd	0 * SIZE(XX), %xmm4
	addl	INCX, XX
	movhpd	0 * SIZE(XX), %xmm4
	addl	INCX, XX
#ifdef ABS
	andpd	 %xmm7, %xmm4
#endif
	maxpd	%xmm4, %xmm0

	movsd	0 * SIZE(XX), %xmm4
	addl	INCX, XX
	movhpd	0 * SIZE(XX), %xmm4
	addl	INCX, XX
#ifdef ABS
	andpd	 %xmm7, %xmm4
#endif
	maxpd	%xmm4, %xmm1

	movsd	0 * SIZE(XX), %xmm4
	addl	INCX, XX
	movhpd	0 * SIZE(XX), %xmm4
	addl	INCX, XX
#ifdef ABS
	andpd	 %xmm7, %xmm4
#endif
	maxpd	%xmm4, %xmm2

	movsd	0 * SIZE(XX), %xmm4
	addl	INCX, XX
	movhpd	0 * SIZE(XX), %xmm4
	addl	INCX, XX
#ifdef ABS
	andpd	 %xmm7, %xmm4
#endif
	maxpd	%xmm4, %xmm3

	prefetcht0	PREFETCHSIZE * SIZE(XX)

	movsd	0 * SIZE(XX), %xmm4
	addl	INCX, XX
	movhpd	0 * SIZE(XX), %xmm4
	addl	INCX, XX
#ifdef ABS
	andpd	 %xmm7, %xmm4
#endif
	maxpd	%xmm4, %xmm0

	movsd	0 * SIZE(XX), %xmm4
	addl	INCX, XX
	movhpd	0 * SIZE(XX), %xmm4
	addl	INCX, XX
#ifdef ABS
	andpd	%xmm7, %xmm4
#endif
	maxpd	%xmm4, %xmm1

	movsd	0 * SIZE(XX), %xmm4
	addl	INCX, XX
	movhpd	0 * SIZE(XX), %xmm4
	addl	INCX, XX
#ifdef ABS
	andpd	%xmm7, %xmm4
#endif
	maxpd	%xmm4, %xmm2

	movsd	0 * SIZE(XX), %xmm4
	addl	INCX, XX
	movhpd	0 * SIZE(XX), %xmm4
	addl	INCX, XX
#ifdef ABS
	andpd	%xmm7, %xmm4
#endif
	maxpd	%xmm4, %xmm3

	decl	I
	jg	.L81
	ALIGN_4

.L85:
	andl	$15,  MM
	jle	.L90

	testl	$8, MM
	je	.L86

	movsd	0 * SIZE(XX), %xmm4
	addl	INCX, XX
	movhpd	0 * SIZE(XX), %xmm4
	addl	INCX, XX
#ifdef ABS
	andpd	%xmm7, %xmm4
#endif
	maxpd	%xmm4, %xmm0

	movsd	0 * SIZE(XX), %xmm4
	addl	INCX, XX
	movhpd	0 * SIZE(XX), %xmm4
	addl	INCX, XX
#ifdef ABS
	andpd	%xmm7, %xmm4
#endif
	maxpd	%xmm4, %xmm1

	movsd	0 * SIZE(XX), %xmm4
	addl	INCX, XX
	movhpd	0 * SIZE(XX), %xmm4
	addl	INCX, XX
#ifdef ABS
	andpd	%xmm7, %xmm4
#endif
	maxpd	%xmm4, %xmm2

	movsd	0 * SIZE(XX), %xmm4
	addl	INCX, XX
	movhpd	0 * SIZE(XX), %xmm4
	addl	INCX, XX
#ifdef ABS
	andpd	%xmm7, %xmm4
#endif
	maxpd	%xmm4, %xmm3
	ALIGN_3

.L86:
	testl	$4, MM
	je	.L87

	movsd	0 * SIZE(XX), %xmm4
	addl	INCX, XX
	movhpd	0 * SIZE(XX), %xmm4
	addl	INCX, XX
#ifdef ABS
	andpd	%xmm7, %xmm4
#endif
	maxpd	%xmm4, %xmm0

	movsd	0 * SIZE(XX), %xmm4
	addl	INCX, XX
	movhpd	0 * SIZE(XX), %xmm4
	addl	INCX, XX
#ifdef ABS
	andpd	%xmm7, %xmm4
#endif
	maxpd	%xmm4, %xmm1
	ALIGN_3	

.L87:
	testl	$2, MM
	je	.L88

	movsd	0 * SIZE(XX), %xmm4
	addl	INCX, XX
	movhpd	0 * SIZE(XX), %xmm4
	addl	INCX, XX
#ifdef ABS
	andpd	 %xmm7, %xmm4
#endif
	maxpd	%xmm4, %xmm2
	ALIGN_3
	
.L88:
	testl	$1, MM
	je	.L90

	movsd	0 * SIZE(XX), %xmm4
#ifdef ABS
	andpd	 %xmm7, %xmm4
#endif
	unpcklpd  %xmm4, %xmm4
	maxpd	%xmm4, %xmm3
	ALIGN_4

.L90:
	movl	X, XX
	movl	M, MM

	maxpd	 %xmm1, %xmm0
	maxpd	 %xmm3, %xmm2
	maxpd	 %xmm2, %xmm0
	movapd	 %xmm0, %xmm1
	unpckhpd %xmm0, %xmm0
	maxsd	 %xmm1, %xmm0
	unpcklpd %xmm0, %xmm0

	movl	MM,  I
	sarl	$3, I
	jle	.L95
	ALIGN_4
	
.L92:
	prefetcht0	PREFETCHSIZE * SIZE(XX)

	movsd	0 * SIZE(XX), %xmm1
	addl	INCX, XX
	movhpd	0 * SIZE(XX), %xmm1
	addl	INCX, XX
#ifdef ABS
	andpd	 %xmm7, %xmm1
#endif
	cmpeqpd	%xmm0, %xmm1

	movsd	0 * SIZE(XX), %xmm2
	addl	INCX, XX
	movhpd	0 * SIZE(XX), %xmm2
	addl	INCX, XX
#ifdef ABS
	andpd	 %xmm7, %xmm2
#endif
	cmpeqpd	%xmm0, %xmm2

	movsd	0 * SIZE(XX), %xmm3
	addl	INCX, XX
	movhpd	0 * SIZE(XX), %xmm3
	addl	INCX, XX
#ifdef ABS
	andpd	 %xmm7, %xmm3
#endif
	cmpeqpd	%xmm0, %xmm3

	movsd	0 * SIZE(XX), %xmm4
	addl	INCX, XX
	movhpd	0 * SIZE(XX), %xmm4
	addl	INCX, XX
#ifdef ABS
	andpd	 %xmm7, %xmm4
#endif
	cmpeqpd	%xmm0, %xmm4

	orpd	%xmm2, %xmm1
	orpd	%xmm4, %xmm3
	orpd	%xmm3, %xmm1
	movmskpd %xmm1, TEMP
	testl	 $3, TEMP
	jne	 .L93

	addl	$8, RET
	decl	I
	jg	.L92
	jmp	.L95
	ALIGN_4

.L93:
	leal	(, INCX, 8), TEMP
	subl	TEMP, XX

	movsd	0 * SIZE(XX), %xmm1
	addl	INCX, XX
	movsd	0 * SIZE(XX), %xmm2
	addl	INCX, XX
	movsd	0 * SIZE(XX), %xmm3
	addl	INCX, XX
	movsd	0 * SIZE(XX), %xmm4
	addl	INCX, XX
#ifdef ABS
	andpd	 %xmm7, %xmm1
	andpd	 %xmm7, %xmm2
	andpd	 %xmm7, %xmm3
	andpd	 %xmm7, %xmm4
#endif
	incl	RET
	comisd	%xmm0, %xmm1
	je	.L999
	incl	RET
	comisd	%xmm0, %xmm2
	je	.L999
	incl	RET
	comisd	%xmm0, %xmm3
	je	.L999
	incl	RET
	comisd	%xmm0, %xmm4
	je	.L999

	movsd	0 * SIZE(XX), %xmm1
	addl	INCX, XX
	movsd	0 * SIZE(XX), %xmm2
	addl	INCX, XX
	movsd	0 * SIZE(XX), %xmm3
#ifdef ABS
	andpd	 %xmm7, %xmm1
	andpd	 %xmm7, %xmm2
	andpd	 %xmm7, %xmm3
#endif

	incl	RET
	comisd	%xmm0, %xmm1
	je	.L999
	incl	RET
	comisd	%xmm0, %xmm2
	je	.L999
	incl	RET
	comisd	%xmm0, %xmm3
	je	.L999
	incl	RET
	jmp	.L999
	ALIGN_3

.L95:
	testl	$4, MM
	je	.L97

	movsd	0 * SIZE(XX), %xmm1
	addl	INCX, XX
	movsd	0 * SIZE(XX), %xmm2
	addl	INCX, XX
	movsd	0 * SIZE(XX), %xmm3
	addl	INCX, XX
	movsd	0 * SIZE(XX), %xmm4
	addl	INCX, XX
#ifdef ABS
	andpd	 %xmm7, %xmm1
	andpd	 %xmm7, %xmm2
	andpd	 %xmm7, %xmm3
	andpd	 %xmm7, %xmm4
#endif
	incl	RET
	comisd	%xmm0, %xmm1
	je	.L999
	incl	RET
	comisd	%xmm0, %xmm2
	je	.L999
	incl	RET
	comisd	%xmm0, %xmm3
	je	.L999
	incl	RET
	comisd	%xmm0, %xmm4
	je	.L999
	ALIGN_3	

.L97:
	testl	$2, MM
	je	.L98

	movsd	0 * SIZE(XX), %xmm1
	addl	INCX, XX
	movsd	0 * SIZE(XX), %xmm2
	addl	INCX, XX
#ifdef ABS
	andpd	 %xmm7, %xmm1
	andpd	 %xmm7, %xmm2
#endif
	incl	RET
	comisd	%xmm0, %xmm1
	je	.L999
	incl	RET
	comisd	%xmm0, %xmm2
	je	.L999
	ALIGN_3
	
.L98:
	incl	RET
	ALIGN_3

.L999:
	popl	%ebx
	popl	%esi
	popl	%edi
	popl	%ebp
	ret

	EPILOGUE