scal.s

Optimized GotoBLAS libraries

/*********************************************************************/
/*                                                                   */
/*             Optimized BLAS libraries                              */
/*                     By Kazushige Goto <[e-mail]>     */
/*                                                                   */
/* Copyright (c) The University of Texas, 2005. All rights reserved. */
/* UNIVERSITY EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES CONCERNING  */
/* THIS SOFTWARE AND DOCUMENTATION, INCLUDING ANY WARRANTIES OF      */
/* MERCHANTABILITY, FITNESS FOR ANY PARTICULAR PURPOSE,              */
/* NON-INFRINGEMENT AND WARRANTIES OF PERFORMANCE, AND ANY WARRANTY  */
/* THAT MIGHT OTHERWISE ARISE FROM COURSE OF DEALING OR USAGE OF     */
/* TRADE. NO WARRANTY IS EITHER EXPRESS OR IMPLIED WITH RESPECT TO   */
/* THE USE OF THE SOFTWARE OR DOCUMENTATION.                         */
/* Under no circumstances shall University be liable for incidental, */
/* special, indirect, direct or consequential damages or loss of     */
/* profits, interruption of business, or related expenses which may  */
/* arise from use of Software or Documentation, including but not    */
/* limited to those resulting from defects in Software and/or        */
/* Documentation, or loss or inaccuracy of data of any kind.         */
/*********************************************************************/

#define ASSEMBLER
#include "common.h"

	PROLOGUE

	pushl	%edi
	pushl	%esi
	pushl	%ebx

	PROFCODE

#ifdef F_INTERFACE_GFORT
	EMMS
#endif

	movl	16(%esp),%edx
	FLD	28(%esp)

#ifdef XDOUBLE
	movl	44(%esp),%edi
	movl	48(%esp),%esi
#elif defined(DOUBLE)
	movl	36(%esp),%edi
	movl	40(%esp),%esi
#else
	movl	32(%esp),%edi
	movl	36(%esp),%esi
#endif

	ftst
	fnstsw	%ax
	andb	$68, %ah
	je	.L300		# Alpha != ZERO

/* Alpha == ZERO */
	cmpl	$1,%esi
	jne	.L104

	movl	%edx, %ecx		# ecx = n
	sarl	$3,   %ecx		# (n >> 3)
	jle	.L102
	ALIGN_4

.L101:
#ifndef XDOUBLE
	FSTU	0 * SIZE(%edi)
	FSTU	1 * SIZE(%edi)
	FSTU	2 * SIZE(%edi)
	FSTU	3 * SIZE(%edi)
	FSTU	4 * SIZE(%edi)
	FSTU	5 * SIZE(%edi)
	FSTU	6 * SIZE(%edi)
	FSTU	7 * SIZE(%edi)
#else
	fld	%st
	FST	0 * SIZE(%edi)
	fld	%st
	FST	1 * SIZE(%edi)
	fld	%st
	FST	2 * SIZE(%edi)
	fld	%st
	FST	3 * SIZE(%edi)
	fld	%st
	FST	4 * SIZE(%edi)
	fld	%st
	FST	5 * SIZE(%edi)
	fld	%st
	FST	6 * SIZE(%edi)
	fld	%st
	FST	7 * SIZE(%edi)
#endif

	addl	$8 * SIZE, %edi
	decl	%ecx
	jg	.L101
	ALIGN_4

.L102:
	movl	%edx, %ecx
	andl	$7,   %ecx
	jle	.L999
	ALIGN_4

.L103:
#ifndef XDOUBLE
	FSTU	0 * SIZE(%edi)
#else
	fld	%st
	FST	0 * SIZE(%edi)
#endif
	addl	$SIZE, %edi
	decl	%ecx
	jg	.L103
	jmp	.L999
	ALIGN_4

.L104:
	sall	$BASE_SHIFT, %esi

	movl	%edx, %ecx		# ecx = n
	sarl	$3,   %ecx		# (n >> 3)
	jle	.L106
	ALIGN_4

.L105:
#ifndef XDOUBLE
	FSTU	0 * SIZE(%edi)
	addl	%esi, %edi
	FSTU	0 * SIZE(%edi)
	addl	%esi, %edi
	FSTU	0 * SIZE(%edi)
	addl	%esi, %edi
	FSTU	0 * SIZE(%edi)
	addl	%esi, %edi
	FSTU	0 * SIZE(%edi)
	addl	%esi, %edi
	FSTU	0 * SIZE(%edi)
	addl	%esi, %edi
	FSTU	0 * SIZE(%edi)
	addl	%esi, %edi
	FSTU	0 * SIZE(%edi)
	addl	%esi, %edi
#else
	fld	%st
	FST	0 * SIZE(%edi)
	addl	%esi, %edi
	fld	%st
	FST	0 * SIZE(%edi)
	addl	%esi, %edi
	fld	%st
	FST	0 * SIZE(%edi)
	addl	%esi, %edi
	fld	%st
	FST	0 * SIZE(%edi)
	addl	%esi, %edi
	fld	%st
	FST	0 * SIZE(%edi)
	addl	%esi, %edi
	fld	%st
	FST	0 * SIZE(%edi)
	addl	%esi, %edi
	fld	%st
	FST	0 * SIZE(%edi)
	addl	%esi, %edi
	fld	%st
	FST	0 * SIZE(%edi)
	addl	%esi, %edi
#endif

	decl	%ecx
	jg	.L105
	ALIGN_4

.L106:
	movl	%edx, %ecx
	andl	$7,   %ecx
	jle	.L999
	ALIGN_4

.L107:
#ifndef XDOUBLE
	FSTU	0 * SIZE(%edi)
#else
	fld	%st
	FST	0 * SIZE(%edi)
#endif
	addl	%esi, %edi
	decl	%ecx
	jg	.L107
	jmp	.L999
	ALIGN_4

/* Alpha != ZERO */

.L300:
	cmpl	$1,%esi
	jne	.L304

	movl	%edx, %ecx		# ecx = n
	sarl	$3,   %ecx		# (n >> 3)
	jle	.L302
	ALIGN_4

.L301:
	FLD	0 * SIZE(%edi)
	fmul	%st(1), %st
	FST	0 * SIZE(%edi)

	FLD	1 * SIZE(%edi)
	fmul	%st(1), %st
	FST	1 * SIZE(%edi)

	FLD	2 * SIZE(%edi)
	fmul	%st(1), %st
	FST	2 * SIZE(%edi)

	FLD	3 * SIZE(%edi)
	fmul	%st(1), %st
	FST	3 * SIZE(%edi)

	FLD	4 * SIZE(%edi)
	fmul	%st(1), %st
	FST	4 * SIZE(%edi)

	FLD	5 * SIZE(%edi)
	fmul	%st(1), %st
	FST	5 * SIZE(%edi)

	FLD	6 * SIZE(%edi)
	fmul	%st(1), %st
	FST	6 * SIZE(%edi)

	FLD	7 * SIZE(%edi)
	fmul	%st(1), %st
	FST	7 * SIZE(%edi)

	addl	$8 * SIZE, %edi
	decl	%ecx
	jg	.L301
	ALIGN_4

.L302:
	movl	%edx, %ecx
	andl	$7,   %ecx
	jle	.L999
	ALIGN_4

.L303:
	FLD	0 * SIZE(%edi)
	fmul	%st(1), %st
	FST	0 * SIZE(%edi)
	addl	$SIZE, %edi
	decl	%ecx
	jg	.L303
	jmp	.L999
	ALIGN_4

.L304:
	sall	$BASE_SHIFT, %esi

	movl	%edx, %ecx		# ecx = n
	sarl	$3,   %ecx		# (n >> 3)
	jle	.L306
	ALIGN_4

.L305:
	FLD	0 * SIZE(%edi)
	fmul	%st(1), %st
	FST	0 * SIZE(%edi)
	addl	%esi, %edi

	FLD	0 * SIZE(%edi)
	fmul	%st(1), %st
	FST	0 * SIZE(%edi)
	addl	%esi, %edi

	FLD	0 * SIZE(%edi)
	fmul	%st(1), %st
	FST	0 * SIZE(%edi)
	addl	%esi, %edi

	FLD	0 * SIZE(%edi)
	fmul	%st(1), %st
	FST	0 * SIZE(%edi)
	addl	%esi, %edi

	FLD	0 * SIZE(%edi)
	fmul	%st(1), %st
	FST	0 * SIZE(%edi)
	addl	%esi, %edi

	FLD	0 * SIZE(%edi)
	fmul	%st(1), %st
	FST	0 * SIZE(%edi)
	addl	%esi, %edi

	FLD	0 * SIZE(%edi)
	fmul	%st(1), %st
	FST	0 * SIZE(%edi)
	addl	%esi, %edi

	FLD	0 * SIZE(%edi)
	fmul	%st(1), %st
	FST	0 * SIZE(%edi)
	addl	%esi, %edi

	decl	%ecx
	jg	.L305
	ALIGN_4

.L306:
	movl	%edx, %ecx
	andl	$7,   %ecx
	jle	.L999
	ALIGN_4

.L307:
	FLD	0 * SIZE(%edi)
	fmul	%st(1), %st
	FST	0 * SIZE(%edi)
	addl	%esi, %edi
	decl	%ecx
	jg	.L307
	ALIGN_4

.L999:
	ffreep	%st(0)
	xorl	%eax,%eax
	popl	%ebx
	popl	%esi
	popl	%edi
	ret

	EPILOGUE