/*********************************************************************/

/* Copyright 2009, 2010 The University of Texas at Austin.           */

/* All rights reserved.                                              */

/*                                                                   */

/* Redistribution and use in source and binary forms, with or        */

/* without modification, are permitted provided that the following   */

/* conditions are met:                                               */

/*                                                                   */

/*   1. Redistributions of source code must retain the above         */

/*      copyright notice, this list of conditions and the following  */

/*      disclaimer.                                                  */

/*                                                                   */

/*   2. Redistributions in binary form must reproduce the above      */

/*      copyright notice, this list of conditions and the following  */

/*      disclaimer in the documentation and/or other materials       */

/*      provided with the distribution.                              */

/*                                                                   */

/*    THIS  SOFTWARE IS PROVIDED  BY THE  UNIVERSITY OF  TEXAS AT    */

/*    AUSTIN  ``AS IS''  AND ANY  EXPRESS OR  IMPLIED WARRANTIES,    */

/*    INCLUDING, BUT  NOT LIMITED  TO, THE IMPLIED  WARRANTIES OF    */

/*    MERCHANTABILITY  AND FITNESS FOR  A PARTICULAR  PURPOSE ARE    */

/*    DISCLAIMED.  IN  NO EVENT SHALL THE UNIVERSITY  OF TEXAS AT    */

/*    AUSTIN OR CONTRIBUTORS BE  LIABLE FOR ANY DIRECT, INDIRECT,    */

/*    INCIDENTAL,  SPECIAL, EXEMPLARY,  OR  CONSEQUENTIAL DAMAGES    */

/*    (INCLUDING, BUT  NOT LIMITED TO,  PROCUREMENT OF SUBSTITUTE    */

/*    GOODS  OR  SERVICES; LOSS  OF  USE,  DATA,  OR PROFITS;  OR    */

/*    BUSINESS INTERRUPTION) HOWEVER CAUSED  AND ON ANY THEORY OF    */

/*    LIABILITY, WHETHER  IN CONTRACT, STRICT  LIABILITY, OR TORT    */

/*    (INCLUDING NEGLIGENCE OR OTHERWISE)  ARISING IN ANY WAY OUT    */

/*    OF  THE  USE OF  THIS  SOFTWARE,  EVEN  IF ADVISED  OF  THE    */

/*    POSSIBILITY OF SUCH DAMAGE.                                    */

/*                                                                   */

/* The views and conclusions contained in the software and           */

/* documentation are those of the authors and should not be          */

/* interpreted as representing official policies, either expressed   */

/* or implied, of The University of Texas at Austin.                 */

/*********************************************************************/

#define ASSEMBLER

#include "common.h"

#define STACK	12

#define ARGS     0

#define STACK_M	 	 4 + STACK + ARGS(%esp)

#define STACK_ALPHA	16 + STACK + ARGS(%esp)

#define STACK_X		20 + STACK + ARGS(%esp)

#define STACK_INCX	24 + STACK + ARGS(%esp)

#define M	%ebx

#define X	%ecx

#define INCX	%edx

#define I	%esi

#define XX	%edi

#include "l1param.h"

	PROLOGUE

	pushl	%edi

	pushl	%esi

	pushl	%ebx

	PROFCODE

	movl	STACK_M,     M

	movl	STACK_X,     X

	movl	STACK_INCX,  INCX

	lea	(, INCX, SIZE), INCX

	movss	STACK_ALPHA, %xmm0

	testl	M, M

	jle	.L999

	xorps	%xmm1, %xmm1

	comiss	%xmm0, %xmm1

	shufps	$0, %xmm0, %xmm0

	jne	.L100

/* Alpha == ZERO */

	cmpl	$SIZE, INCX

	jne	.L50

/* INCX == 1 */

	cmpl	$3, M

 	jle	.L14

	testl	$4, X		# aligned for double word?

	je	.L05

	movss	%xmm1, 0 * SIZE(X)

	addl	$SIZE, X

	decl	M

	jle	.L999

	ALIGN_3

.L05:

	testl	$8, X		# aligned for quad word?

	je	.L06

	movsd	%xmm1, 0 * SIZE(X)

	addl	$2 * SIZE, X

	subl	$2, M

	jle	.L999

	ALIGN_3

.L06:

	movl	M,  I

	sarl	$4, I

	jle	.L12

	ALIGN_4

.L11:

#ifdef PREFETCHW

	PREFETCHW (PREFETCHSIZE +  0) - PREOFFSET(X)

#endif

	movaps	%xmm1,  0 * SIZE(X)

	movaps	%xmm1,  4 * SIZE(X)

	movaps	%xmm1,  8 * SIZE(X)

	movaps	%xmm1, 12 * SIZE(X)

	addl	$16 * SIZE, X

	decl	I

	jg	.L11

	ALIGN_4

.L12:

	testl	$15, M

	je	.L999

	testl	$8, M

	je	.L13

	movaps	%xmm1,  0 * SIZE(X)

	movaps	%xmm1,  4 * SIZE(X)

	addl	$8 * SIZE, X

	ALIGN_3

.L13:

	testl  $4, M

	je    .L14

	movaps	%xmm1,  0 * SIZE(X)

	addl	$4 * SIZE, X

	ALIGN_3

.L14:

	testl  $2, M

	je    .L15

	movsd	%xmm1,  0 * SIZE(X)

	addl	$2 * SIZE, X

	ALIGN_3

.L15:

	testl  $1, M

	je    .L999

	movss	%xmm1,  0 * SIZE(X)

	jmp	.L999

	ALIGN_4

/* incx != 1 */

.L50:

	movl	M,  I		# rcx = n

	sarl	$3, I		# (n >> 3)

	jle	.L52

	ALIGN_4

.L51:

#ifdef PREFETCHW

	PREFETCHW (PREFETCHSIZE +  0) - PREOFFSET(X)

#endif

	movss	%xmm1, (X)

	addl	INCX, X

	movss	%xmm1, (X)

	addl	INCX, X

	movss	%xmm1, (X)

	addl	INCX, X

	movss	%xmm1, (X)

	addl	INCX, X

	movss	%xmm1, (X)

	addl	INCX, X

	movss	%xmm1, (X)

	addl	INCX, X

	movss	%xmm1, (X)

	addl	INCX, X

	movss	%xmm1, (X)

	addl	INCX, X

	decl	I

	jg	.L51

	ALIGN_4

.L52:

	testl	$7, M

	je	.L999

	testl	$4, M

	je	.L53

	movss	%xmm1, (X)

	addl	INCX, X

	movss	%xmm1, (X)

	addl	INCX, X

	movss	%xmm1, (X)

	addl	INCX, X

	movss	%xmm1, (X)

	addl	INCX, X

	ALIGN_3

.L53:

	testl	$2, M

	je	.L54

	movss	%xmm1, (X)

	addl	INCX, X

	movss	%xmm1, (X)

	addl	INCX, X

	ALIGN_3

.L54:

	testl	$1, M

	je	.L999

	movss	%xmm1, (X)

	jmp	.L999

	ALIGN_4

/* Alpha != ZERO */

.L100:

	cmpl	$SIZE, INCX

	jne	.L150

	subl	$-32 * SIZE, X

	cmpl	$3, M

	jle	.L116

	testl	$SIZE, X

	je	.L105

	movss	-32 * SIZE(X), %xmm1

	mulss	%xmm0, %xmm1

	movss	%xmm1, -32 * SIZE(X)

	addl	$SIZE, X

	decl	M

	jle	.L999

	ALIGN_3

.L105:

	testl	$2 * SIZE, X

	je	.L110

	movsd	-32 * SIZE(X), %xmm1

	mulps	%xmm0, %xmm1

	movsd	%xmm1, -32 * SIZE(X)

	addl	$2 * SIZE, X

	subl	$2, M

	jle	.L999

	ALIGN_3

.L110:

	movl	M,  I

	sarl	$5, I

	jle	.L113

#if defined(BARCELONA)

	movaps	%xmm0, %xmm1

	mulps	-32 * SIZE(X), %xmm1

	movaps	%xmm0, %xmm2

	mulps	-28 * SIZE(X), %xmm2

	movaps	%xmm0, %xmm3

	mulps	-24 * SIZE(X), %xmm3

	movaps	%xmm0, %xmm4

	mulps	-20 * SIZE(X), %xmm4

	decl	I 

	jle	.L112

	ALIGN_4

.L111:

#ifdef PREFETCHW

	PREFETCHW (PREFETCHSIZE +  0) - PREOFFSET(X)

#endif

	movaps	%xmm1, -32 * SIZE(X)

	movaps	%xmm0, %xmm1

	mulps	-16 * SIZE(X), %xmm1

	movaps	%xmm2, -28 * SIZE(X)

	movaps	%xmm0, %xmm2

	mulps	-12 * SIZE(X), %xmm2

	movaps	%xmm3, -24 * SIZE(X)

	movaps	%xmm0, %xmm3

	mulps	 -8 * SIZE(X), %xmm3

	movaps	%xmm4, -20 * SIZE(X)

	movaps	%xmm0, %xmm4

	mulps	 -4 * SIZE(X), %xmm4

#ifdef PREFETCHW

	PREFETCHW (PREFETCHSIZE + 64) - PREOFFSET(X)

#endif

	movaps	%xmm1, -16 * SIZE(X)

	movaps	%xmm0, %xmm1

	mulps	  0 * SIZE(X), %xmm1

	movaps	%xmm2, -12 * SIZE(X)

	movaps	%xmm0, %xmm2

	mulps	  4 * SIZE(X), %xmm2

	movaps	%xmm3,  -8 * SIZE(X)

	movaps	%xmm0, %xmm3

	mulps	  8 * SIZE(X), %xmm3

	movaps	%xmm4,  -4 * SIZE(X)

	movaps	%xmm0, %xmm4

	mulps	 12 * SIZE(X), %xmm4

	subl	$-32 * SIZE, X

	decl	I

	jg	.L111

	ALIGN_4

.L112:

	movaps	%xmm1, -32 * SIZE(X)

	movaps	%xmm0, %xmm1

	mulps	-16 * SIZE(X), %xmm1

	movaps	%xmm2, -28 * SIZE(X)

	movaps	%xmm0, %xmm2

	mulps	-12 * SIZE(X), %xmm2

	movaps	%xmm3, -24 * SIZE(X)

	movaps	%xmm0, %xmm3

	mulps	 -8 * SIZE(X), %xmm3

	movaps	%xmm4, -20 * SIZE(X)

	movaps	%xmm0, %xmm4

	mulps	 -4 * SIZE(X), %xmm4

	movaps	%xmm1, -16 * SIZE(X)

	movaps	%xmm2, -12 * SIZE(X)

	movaps	%xmm3,  -8 * SIZE(X)

	movaps	%xmm4,  -4 * SIZE(X)

#else

	movaps	-32 * SIZE(X), %xmm1

	movaps	-28 * SIZE(X), %xmm2

	movaps	-24 * SIZE(X), %xmm3

	movaps	-20 * SIZE(X), %xmm4

	decl	I 

	jle	.L112

	ALIGN_4

.L111:

#ifdef PREFETCHW

	PREFETCHW (PREFETCHSIZE +  0) - PREOFFSET(X)

#endif

	mulps	%xmm0, %xmm1

	movaps	%xmm1, -32 * SIZE(X)

	movaps	-16 * SIZE(X), %xmm1

	mulps	%xmm0, %xmm2

	movaps	%xmm2, -28 * SIZE(X)

	movaps	-12 * SIZE(X), %xmm2

	mulps	%xmm0, %xmm3

	movaps	%xmm3, -24 * SIZE(X)

	movaps	 -8 * SIZE(X), %xmm3

	mulps	%xmm0, %xmm4

	movaps	%xmm4, -20 * SIZE(X)

	movaps	 -4 * SIZE(X), %xmm4

#ifdef PREFETCHW

	PREFETCHW (PREFETCHSIZE + 64) - PREOFFSET(X)

#endif

	mulps	%xmm0, %xmm1

	movaps	%xmm1, -16 * SIZE(X)

	movaps	  0 * SIZE(X), %xmm1

	mulps	%xmm0, %xmm2

	movaps	%xmm2, -12 * SIZE(X)

	movaps	  4 * SIZE(X), %xmm2

	mulps	%xmm0, %xmm3

	movaps	%xmm3,  -8 * SIZE(X)

	movaps	  8 * SIZE(X), %xmm3

	mulps	%xmm0, %xmm4

	movaps	%xmm4,  -4 * SIZE(X)

	movaps	 12 * SIZE(X), %xmm4

	subl	$-32 * SIZE, X

	decl	I

	jg	.L111

	ALIGN_4

.L112:

	mulps	%xmm0, %xmm1

	movaps	%xmm1, -32 * SIZE(X)

	movaps	-16 * SIZE(X), %xmm1

	mulps	%xmm0, %xmm2

	movaps	%xmm2, -28 * SIZE(X)

	movaps	-12 * SIZE(X), %xmm2

	mulps	%xmm0, %xmm3

	movaps	%xmm3, -24 * SIZE(X)

	movaps	 -8 * SIZE(X), %xmm3

	mulps	%xmm0, %xmm4

	movaps	%xmm4, -20 * SIZE(X)

	movaps	 -4 * SIZE(X), %xmm4

	mulps	%xmm0, %xmm1

	movaps	%xmm1, -16 * SIZE(X)

	mulps	%xmm0, %xmm2

	movaps	%xmm2, -12 * SIZE(X)

	mulps	%xmm0, %xmm3

	movaps	%xmm3,  -8 * SIZE(X)

	mulps	%xmm0, %xmm4

	movaps	%xmm4,  -4 * SIZE(X)

#endif

	subl	$-32 * SIZE, X

	ALIGN_3

.L113:

	testl	$31, M

	je	.L999

	testl	$16, M

	je	.L114

	movaps	-32 * SIZE(X), %xmm1

	movaps	-28 * SIZE(X), %xmm3

	movaps	-24 * SIZE(X), %xmm5

	movaps	-20 * SIZE(X), %xmm7

	mulps	%xmm0, %xmm1

	movaps	%xmm1, -32 * SIZE(X)

	mulps	%xmm0, %xmm3

	movaps	%xmm3, -28 * SIZE(X)

	mulps	%xmm0, %xmm5

	movaps	%xmm5, -24 * SIZE(X)

	mulps	%xmm0, %xmm7

	movaps	%xmm7, -20 * SIZE(X)

	addl	$16 * SIZE, X

	ALIGN_3

.L114:

	testl	$8, M

	je	.L115

	movaps	-32 * SIZE(X), %xmm1

	movaps	-28 * SIZE(X), %xmm3

	mulps	%xmm0, %xmm1

	movaps	%xmm1, -32 * SIZE(X)

	mulps	%xmm0, %xmm3

	movaps	%xmm3, -28 * SIZE(X)

	addl	$8 * SIZE, X

	ALIGN_3

.L115:

	testl	$4, M

	je	.L116

	movaps	-32 * SIZE(X), %xmm1

	mulps	%xmm0, %xmm1

	movaps	%xmm1, -32 * SIZE(X)

	addl	$4 * SIZE, X

	ALIGN_3

.L116:

	testl	$2, M

	je	.L117

	movsd	-32 * SIZE(X), %xmm1

	mulps	%xmm0, %xmm1

	movsd	%xmm1,  -32 * SIZE(X)

	addl	$2 * SIZE, X

	ALIGN_3

.L117:

	testl	$1, M

	je	.L999

	movss	-32 * SIZE(X), %xmm1

	mulss	%xmm0, %xmm1

	movss	%xmm1, -32 * SIZE(X)

	jmp	.L999

	ALIGN_3

/* incx != 1 */

.L150:

	movl	X, XX

	movl	M,  I		# rcx = n

	sarl	$3, I		# (n >> 3)

	jle	.L152

	ALIGN_4

.L151:

	movss	(X), %xmm1

	addl	INCX, X

	movss	(X), %xmm2

	addl	INCX, X

	movss	(X), %xmm3

	addl	INCX, X

	movss	(X), %xmm4

	addl	INCX, X

	mulss	%xmm0, %xmm1

	mulss	%xmm0, %xmm2

	mulss	%xmm0, %xmm3

	mulss	%xmm0, %xmm4

	movss	%xmm1, (XX)

	addl	INCX, XX

	movss	%xmm2, (XX)

	addl	INCX, XX

	movss	%xmm3, (XX)

	addl	INCX, XX

	movss	%xmm4, (XX)

	addl	INCX, XX

	movss	(X), %xmm1

	addl	INCX, X

	movss	(X), %xmm2

	addl	INCX, X

	movss	(X), %xmm3

	addl	INCX, X

	movss	(X), %xmm4

	addl	INCX, X

	mulss	%xmm0, %xmm1

	mulss	%xmm0, %xmm2

	mulss	%xmm0, %xmm3

	mulss	%xmm0, %xmm4

	movss	%xmm1, (XX)

	addl	INCX, XX

	movss	%xmm2, (XX)

	addl	INCX, XX

	movss	%xmm3, (XX)

	addl	INCX, XX

	movss	%xmm4, (XX)

	addl	INCX, XX

	decl	I

	jg	.L151

	ALIGN_4

.L152:

	testl	$7, M

	je	.L999

	testl	$4, M

	je	.L153

	movss	 (X), %xmm1

	addl	INCX, X

	movss	 (X), %xmm2

	addl	INCX, X

	movss	 (X), %xmm3

	addl	INCX, X

	movss	 (X), %xmm4

	addl	INCX, X

	mulss	%xmm0, %xmm1

	mulss	%xmm0, %xmm2

	mulss	%xmm0, %xmm3

	mulss	%xmm0, %xmm4

	movss	%xmm1,  (XX)

	addl	INCX, XX

	movss	%xmm2,  (XX)

	addl	INCX, XX

	movss	%xmm3,  (XX)

	addl	INCX, XX

	movss	%xmm4,  (XX)

	addl	INCX, XX

	ALIGN_3

.L153:

	testl	$2, M

	je	.L154

	movss	 (X), %xmm1

	addl	INCX, X

	movss	 (X), %xmm2

	addl	INCX, X

	mulss	%xmm0, %xmm1

	mulss	%xmm0, %xmm2

	movss	%xmm1,  (XX)

	addl	INCX, XX

	movss	%xmm2,  (XX)

	addl	INCX, XX

	ALIGN_3

.L154:

	testl	$1, M

	je	.L999

	movss	 (X), %xmm1

	mulss	%xmm0, %xmm1

	movss	%xmm1,  (X)

	ALIGN_4

.L999:

	xorl	%eax, %eax

	popl	%ebx

	popl	%esi

	popl	%edi

	ret

	EPILOGUE