gemm_kernel_2x4_core2.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"

#define STACK	16
#define ARGS	16
	
#define M	 4 + STACK + ARGS(%esp)
#define N	 8 + STACK + ARGS(%esp)
#define K	12 + STACK + ARGS(%esp)
#define ALPHA	16 + STACK + ARGS(%esp)
#define A	24 + STACK + ARGS(%esp)
#define ARG_B	28 + STACK + ARGS(%esp)
#define C	32 + STACK + ARGS(%esp)
#define ARG_LDC	36 + STACK + ARGS(%esp)
#define OFFSET	40 + STACK + ARGS(%esp)

#define J	 0 + STACK(%esp)
#define BX	 4 + STACK(%esp)
#define KK	 8 + STACK(%esp)
#define KKK	12 + STACK(%esp)

#define PREFETCH_R   (8 * 4)

#define PREFETCHSIZE  (8 * 21 + 4)
#define PREFETCH     prefetcht0

#define AA	%edx
#define BB	%ecx
#define LDC	%ebp
#define B	%edi
#define C1	%esi
#define I	%ebx

	PROLOGUE

	subl	$ARGS, %esp	# Generate Stack Frame

	pushl	%ebp
	pushl	%edi
	pushl	%esi
	pushl	%ebx

	PROFCODE

	movl	ARG_B,   B
	movl	ARG_LDC, LDC

#ifdef TRMMKERNEL
	movl	OFFSET, %eax
#ifndef LEFT
	negl	%eax
#endif	
	movl	%eax, KK
#endif

	subl	$-16 * SIZE, A
	subl	$-16 * SIZE, B

	leal	(, LDC, SIZE), LDC

	movl	N,  %eax
	sarl	$2, %eax
	movl	%eax, J
	jle	.L30
	ALIGN_4

.L01:
#if defined(TRMMKERNEL) && defined(LEFT)
	movl	OFFSET, %eax
	movl	%eax, KK
#endif	

	movl	B, BX

	movl	C, C1
	movl	A, AA

	movl	M,  I
	sarl	$1, I
	jle	.L20
	ALIGN_4

.L11:
#if !defined(TRMMKERNEL) || \
	(defined(TRMMKERNEL) &&  defined(LEFT) &&  defined(TRANSA)) || \
	(defined(TRMMKERNEL) && !defined(LEFT) && !defined(TRANSA))

	movl	B, BB
#else
	movl	B, BB
	movl	KK, %eax
	leal	(, %eax, SIZE), %eax
	leal	(AA, %eax, 2), AA
	leal	(BB, %eax, 4), BB
#endif

	movl	BX, %eax

	prefetcht2  (PREFETCH_R + 0) * SIZE(%eax)
	prefetcht2  (PREFETCH_R + 8) * SIZE(%eax)

	subl	$-8 * SIZE, BX

	leal		(C1, LDC, 2), %eax

	movaps	-16 * SIZE(AA), %xmm0
	pxor	%xmm2, %xmm2
	movaps	-16 * SIZE(BB), %xmm1
	pxor	%xmm3, %xmm3

	pxor	%xmm4, %xmm4
	prefetcht0	1 * SIZE(C1)
	pxor	%xmm5, %xmm5
	prefetcht0	1 * SIZE(C1, LDC)
	pxor	%xmm6, %xmm6
	prefetcht0	1 * SIZE(%eax)
	pxor	%xmm7, %xmm7
	prefetcht0	1 * SIZE(%eax, LDC)

#ifndef TRMMKERNEL
	movl	K, %eax
#elif (defined(LEFT) && !defined(TRANSA)) || (!defined(LEFT) && defined(TRANSA))
	movl	K, %eax
	subl	KK, %eax
	movl	%eax, KKK	
#else
	movl	KK, %eax
#ifdef LEFT
	addl	$2, %eax
#else
	addl	$4, %eax
#endif
	movl	%eax, KKK
#endif
	sarl	$3, %eax
	je	.L15
	ALIGN_4

.L12:
	PREFETCH (PREFETCHSIZE +  0) * SIZE(AA)

	addpd	%xmm2, %xmm6
	movapd	%xmm1, %xmm2
	mulpd	%xmm0, %xmm1
	addpd	%xmm1, %xmm4
	movaps	-14 * SIZE(BB), %xmm1
	addpd	%xmm3, %xmm7
	movapd	%xmm1, %xmm3
	mulpd	%xmm0, %xmm1
//	SHUFPD_1 %xmm0, %xmm0
	pshufd	$0x4e, %xmm0, %xmm0
	mulpd	%xmm0, %xmm2
	mulpd	%xmm0, %xmm3
	movaps	-14 * SIZE(AA), %xmm0
	addpd	%xmm1, %xmm5
	movaps	-12 * SIZE(BB), %xmm1

	addpd	%xmm2, %xmm6
	movapd	%xmm1, %xmm2
	mulpd	%xmm0, %xmm1
	addpd	%xmm1, %xmm4
	movaps	-10 * SIZE(BB), %xmm1
	addpd	%xmm3, %xmm7
	movapd	%xmm1, %xmm3
	mulpd	%xmm0, %xmm1
//	SHUFPD_1 %xmm0, %xmm0
	pshufd	$0x4e, %xmm0, %xmm0
	mulpd	%xmm0, %xmm2
	mulpd	%xmm0, %xmm3
	movaps	-12 * SIZE(AA), %xmm0
	addpd	%xmm1, %xmm5
	movaps	 -8 * SIZE(BB), %xmm1

	addpd	%xmm2, %xmm6
	movapd	%xmm1, %xmm2
	mulpd	%xmm0, %xmm1
	addpd	%xmm1, %xmm4
	movaps	 -6 * SIZE(BB), %xmm1
	addpd	%xmm3, %xmm7
	movapd	%xmm1, %xmm3
	mulpd	%xmm0, %xmm1
//	SHUFPD_1 %xmm0, %xmm0
	pshufd	$0x4e, %xmm0, %xmm0
	mulpd	%xmm0, %xmm2
	mulpd	%xmm0, %xmm3
	movaps	-10 * SIZE(AA), %xmm0
	addpd	%xmm1, %xmm5
	movaps	 -4 * SIZE(BB), %xmm1

	addpd	%xmm2, %xmm6
	movapd	%xmm1, %xmm2
	mulpd	%xmm0, %xmm1
	addpd	%xmm1, %xmm4
	movaps	 -2 * SIZE(BB), %xmm1
	addpd	%xmm3, %xmm7
	movapd	%xmm1, %xmm3
	mulpd	%xmm0, %xmm1
//	SHUFPD_1 %xmm0, %xmm0
	pshufd	$0x4e, %xmm0, %xmm0
	mulpd	%xmm0, %xmm2
	mulpd	%xmm0, %xmm3
	movaps	 -8 * SIZE(AA), %xmm0
	addpd	%xmm1, %xmm5
	movaps	  0 * SIZE(BB), %xmm1

	PREFETCH (PREFETCHSIZE +  8) * SIZE(AA)

	addpd	%xmm2, %xmm6
	movapd	%xmm1, %xmm2
	mulpd	%xmm0, %xmm1
	addpd	%xmm1, %xmm4
	movaps	  2 * SIZE(BB), %xmm1
	addpd	%xmm3, %xmm7
	movapd	%xmm1, %xmm3
	mulpd	%xmm0, %xmm1
//	SHUFPD_1 %xmm0, %xmm0
	pshufd	$0x4e, %xmm0, %xmm0
	mulpd	%xmm0, %xmm2
	mulpd	%xmm0, %xmm3
	movaps	 -6 * SIZE(AA), %xmm0
	addpd	%xmm1, %xmm5
	movaps	  4 * SIZE(BB), %xmm1

	addpd	%xmm2, %xmm6
	movapd	%xmm1, %xmm2
	mulpd	%xmm0, %xmm1
	addpd	%xmm1, %xmm4
	movaps	  6 * SIZE(BB), %xmm1
	addpd	%xmm3, %xmm7
	movapd	%xmm1, %xmm3
	mulpd	%xmm0, %xmm1
//	SHUFPD_1 %xmm0, %xmm0
	pshufd	$0x4e, %xmm0, %xmm0
	mulpd	%xmm0, %xmm2
	mulpd	%xmm0, %xmm3
	movaps	 -4 * SIZE(AA), %xmm0
	addpd	%xmm1, %xmm5
	movaps	  8 * SIZE(BB), %xmm1

	addpd	%xmm2, %xmm6
	movapd	%xmm1, %xmm2
	mulpd	%xmm0, %xmm1
	addpd	%xmm1, %xmm4
	movaps	 10 * SIZE(BB), %xmm1
	addpd	%xmm3, %xmm7
	movapd	%xmm1, %xmm3
	mulpd	%xmm0, %xmm1
//	SHUFPD_1 %xmm0, %xmm0
	pshufd	$0x4e, %xmm0, %xmm0
	mulpd	%xmm0, %xmm2
	mulpd	%xmm0, %xmm3
	movaps	 -2 * SIZE(AA), %xmm0
	addpd	%xmm1, %xmm5
	movaps	 12 * SIZE(BB), %xmm1

	addpd	%xmm2, %xmm6
	movapd	%xmm1, %xmm2
	mulpd	%xmm0, %xmm1
	addpd	%xmm1, %xmm4
	movaps	 14 * SIZE(BB), %xmm1
	addpd	%xmm3, %xmm7
	movapd	%xmm1, %xmm3
	mulpd	%xmm0, %xmm1
//	SHUFPD_1 %xmm0, %xmm0
	pshufd	$0x4e, %xmm0, %xmm0
	mulpd	%xmm0, %xmm2
	mulpd	%xmm0, %xmm3
	movaps	  0 * SIZE(AA), %xmm0
	addpd	%xmm1, %xmm5
	movaps	 16 * SIZE(BB), %xmm1

	subl   $-32 * SIZE, BB
	subl   $-16 * SIZE, AA

	subl   $1, %eax
	jne,pt .L12
	ALIGN_4

.L15:
#ifndef TRMMKERNEL
	movl	K, %eax
#else
	movl	KKK, %eax
#endif
	andl	$7, %eax
	BRANCH
	je .L18
	ALIGN_4

.L16:
	addpd	%xmm2, %xmm6
	movapd	%xmm1, %xmm2
	mulpd	%xmm0, %xmm1
	addpd	%xmm1, %xmm4
	movaps	-14 * SIZE(BB), %xmm1
	addpd	%xmm3, %xmm7
	movapd	%xmm1, %xmm3
	mulpd	%xmm0, %xmm1
	SHUFPD_1 %xmm0, %xmm0
	mulpd	%xmm0, %xmm2
	mulpd	%xmm0, %xmm3
	movaps	-14 * SIZE(AA), %xmm0
	addpd	%xmm1, %xmm5
	movaps	-12 * SIZE(BB), %xmm1

	addl	$2 * SIZE, AA
	addl	$4 * SIZE, BB
	decl	%eax
	jg	.L16
	ALIGN_4

.L18:
	addpd	%xmm2, %xmm6
	addpd	%xmm3, %xmm7


	movddup	ALPHA,  %xmm3

	movaps	 %xmm4, %xmm0
	unpcklpd %xmm6, %xmm4
	unpckhpd %xmm0, %xmm6

	movaps	 %xmm5, %xmm1
	unpcklpd %xmm7, %xmm5
	unpckhpd %xmm1, %xmm7

	mulpd	%xmm3, %xmm4
	mulpd	%xmm3, %xmm5
	mulpd	%xmm3, %xmm6
	mulpd	%xmm3, %xmm7

	leal		(C1, LDC, 2), %eax

#ifndef TRMMKERNEL
	movsd	0 * SIZE(C1), %xmm0
	movhpd	1 * SIZE(C1), %xmm0
	movsd	0 * SIZE(C1, LDC), %xmm1
	movhpd	1 * SIZE(C1, LDC), %xmm1

	movsd	0 * SIZE(%eax), %xmm2
	movhpd	1 * SIZE(%eax), %xmm2
	movsd	0 * SIZE(%eax, LDC), %xmm3
	movhpd	1 * SIZE(%eax, LDC), %xmm3

	addpd	%xmm0, %xmm4
	addpd	%xmm1, %xmm6
	addpd	%xmm2, %xmm5
	addpd	%xmm3, %xmm7
#endif

	movsd	%xmm4, 0 * SIZE(C1)
	movhpd	%xmm4, 1 * SIZE(C1)
	movsd	%xmm6, 0 * SIZE(C1, LDC)
	movhpd	%xmm6, 1 * SIZE(C1, LDC)

	movsd	%xmm5, 0 * SIZE(%eax)
	movhpd	%xmm5, 1 * SIZE(%eax)
	movsd	%xmm7, 0 * SIZE(%eax, LDC)
	movhpd	%xmm7, 1 * SIZE(%eax, LDC)

#if (defined(TRMMKERNEL) &&  defined(LEFT) &&  defined(TRANSA)) || \
    (defined(TRMMKERNEL) && !defined(LEFT) && !defined(TRANSA))
	movl	K, %eax
	subl	KKK, %eax
	leal	(,%eax, SIZE), %eax
	leal	(AA, %eax, 2), AA
	leal	(BB, %eax, 4), BB
#endif

#if defined(TRMMKERNEL) && defined(LEFT)
	addl	$2, KK
#endif

	addl	$2 * SIZE, C1
	decl	I
	jg	.L11
	ALIGN_4

.L20:
	movl	M,  I
	testl	$1, I
	jle	.L29

#if !defined(TRMMKERNEL) || \
	(defined(TRMMKERNEL) &&  defined(LEFT) &&  defined(TRANSA)) || \
	(defined(TRMMKERNEL) && !defined(LEFT) && !defined(TRANSA))

	movl	B, BB
#else
	movl	B, BB
	movl	KK, %eax
	leal	(, %eax, SIZE), %eax
	addl	%eax, AA
	leal	(BB, %eax, 4), BB
#endif

	movaps	-16 * SIZE(AA), %xmm0
	pxor	%xmm4, %xmm4
	movaps	-16 * SIZE(BB), %xmm2
	pxor	%xmm5, %xmm5
	movaps	-14 * SIZE(BB), %xmm3
	pxor	%xmm6, %xmm6
	pxor	%xmm7, %xmm7

#ifndef TRMMKERNEL
	movl	K, %eax
#elif (defined(LEFT) && !defined(TRANSA)) || (!defined(LEFT) && defined(TRANSA))
	movl	K, %eax
	subl	KK, %eax
	movl	%eax, KKK	
#else
	movl	KK, %eax
#ifdef LEFT
	addl	$1, %eax
#else
	addl	$4, %eax
#endif
	movl	%eax, KKK
#endif
	sarl	$3, %eax
	je	.L25
	ALIGN_4

.L22:
	PREFETCH (PREFETCHSIZE +  0) * SIZE(AA)

	pshufd	$0x44, %xmm0, %xmm1
	mulpd	%xmm1, %xmm2
	mulpd	%xmm1, %xmm3

	addpd	%xmm2, %xmm4
	movaps	-12 * SIZE(BB), %xmm2
	addpd	%xmm3, %xmm5
	movaps	-10 * SIZE(BB), %xmm3

	pshufd	$0xee, %xmm0, %xmm1
	movaps	-14 * SIZE(AA), %xmm0
	mulpd	%xmm1, %xmm2
	mulpd	%xmm1, %xmm3

	addpd	%xmm2, %xmm6
	movaps	 -8 * SIZE(BB), %xmm2
	addpd	%xmm3, %xmm7
	movaps	 -6 * SIZE(BB), %xmm3

	pshufd	$0x44, %xmm0, %xmm1
	mulpd	%xmm1, %xmm2
	mulpd	%xmm1, %xmm3

	addpd	%xmm2, %xmm4
	movaps	 -4 * SIZE(BB), %xmm2
	addpd	%xmm3, %xmm5
	movaps	 -2 * SIZE(BB), %xmm3

	pshufd	$0xee, %xmm0, %xmm1
	movaps	-12 * SIZE(AA), %xmm0
	mulpd	%xmm1, %xmm2
	mulpd	%xmm1, %xmm3

	addpd	%xmm2, %xmm6
	movaps	  0 * SIZE(BB), %xmm2
	addpd	%xmm3, %xmm7
	movaps	  2 * SIZE(BB), %xmm3

	pshufd	$0x44, %xmm0, %xmm1
	mulpd	%xmm1, %xmm2
	mulpd	%xmm1, %xmm3

	addpd	%xmm2, %xmm4
	movaps	  4 * SIZE(BB), %xmm2
	addpd	%xmm3, %xmm5
	movaps	  6 * SIZE(BB), %xmm3

	pshufd	$0xee, %xmm0, %xmm1
	movaps	-10 * SIZE(AA), %xmm0
	mulpd	%xmm1, %xmm2
	mulpd	%xmm1, %xmm3

	addpd	%xmm2, %xmm6
	movaps	  8 * SIZE(BB), %xmm2
	addpd	%xmm3, %xmm7
	movaps	 10 * SIZE(BB), %xmm3

	pshufd	$0x44, %xmm0, %xmm1
	mulpd	%xmm1, %xmm2
	mulpd	%xmm1, %xmm3

	addpd	%xmm2, %xmm4
	movaps	 12 * SIZE(BB), %xmm2
	addpd	%xmm3, %xmm5
	movaps	 14 * SIZE(BB), %xmm3

	pshufd	$0xee, %xmm0, %xmm1
	movaps	 -8 * SIZE(AA), %xmm0
	mulpd	%xmm1, %xmm2
	mulpd	%xmm1, %xmm3

	addpd	%xmm2, %xmm6
	movaps	 16 * SIZE(BB), %xmm2
	addpd	%xmm3, %xmm7
	movaps	 18 * SIZE(BB), %xmm3

	subl   $ -8 * SIZE, AA
	subl   $-32 * SIZE, BB

	subl   $1, %eax
	jne    .L22
	ALIGN_4

.L25:
#ifndef TRMMKERNEL
	movl	K, %eax
#else
	movl	KKK, %eax
#endif
	andl	$7, %eax
	BRANCH
	je .L28
	ALIGN_4

.L26:
	pshufd	$0x44, %xmm0, %xmm1
	movsd	-15 * SIZE(AA), %xmm0
	mulpd	%xmm1, %xmm2
	mulpd	%xmm1, %xmm3

	addpd	%xmm2, %xmm4
	movaps	-12 * SIZE(BB), %xmm2
	addpd	%xmm3, %xmm5
	movaps	-10 * SIZE(BB), %xmm3

	addl	$1 * SIZE, AA
	addl	$4 * SIZE, BB
	decl	%eax
	jg	.L26
	ALIGN_4

.L28:
	movddup	ALPHA,  %xmm3

	addpd	%xmm6, %xmm4
	addpd	%xmm7, %xmm5

	leal		(C1, LDC, 2), %eax

#ifndef TRMMKERNEL
	movsd	0 * SIZE(C1), %xmm0
	movhpd	0 * SIZE(C1, LDC), %xmm0

	movsd	0 * SIZE(%eax), %xmm1
	movhpd	0 * SIZE(%eax, LDC), %xmm1
#endif

	mulpd	%xmm3, %xmm4
	mulpd	%xmm3, %xmm5

#ifndef TRMMKERNEL
	addpd	%xmm0, %xmm4
	addpd	%xmm1, %xmm5
#endif

	movsd	%xmm4, 0 * SIZE(C1)
	movhpd	%xmm4, 0 * SIZE(C1, LDC)

	movsd	%xmm5, 0 * SIZE(%eax)
	movhpd	%xmm5, 0 * SIZE(%eax, LDC)

#if (defined(TRMMKERNEL) &&  defined(LEFT) &&  defined(TRANSA)) || \
    (defined(TRMMKERNEL) && !defined(LEFT) && !defined(TRANSA))
	movl	K, %eax
	subl	KKK, %eax
	leal	(,%eax, SIZE), %eax
	addl	%eax, AA
	leal	(BB, %eax, 4), BB
#endif

#if defined(TRMMKERNEL) && defined(LEFT)
	addl	$1, KK
#endif
	ALIGN_4
	
.L29:
#if defined(TRMMKERNEL) && !defined(LEFT)
	addl	$4, KK
#endif

	movl	BB, B

	leal	(, LDC, 4), %eax
	addl	%eax, C
	decl	J
	jg	.L01
	ALIGN_4

.L30:
	movl	N,  %eax
	testl	$2, %eax
	jle	.L50

#if defined(TRMMKERNEL) && defined(LEFT)
	movl	OFFSET, %eax
	movl	%eax, KK
#endif	

	movl	C, C1
	movl	A, AA

	movl	M,  I
	sarl	$1, I
	jle	.L40
	ALIGN_4

.L31:
#if !defined(TRMMKERNEL) || \
	(defined(TRMMKERNEL) &&  defined(LEFT) &&  defined(TRANSA)) || \
	(defined(TRMMKERNEL) && !defined(LEFT) && !defined(TRANSA))

	movl	B, BB
#else
	movl	B, BB
	movl	KK, %eax
	leal	(, %eax, SIZE), %eax
	leal	(AA, %eax, 2), AA
	leal	(BB, %eax, 2), BB
#endif

	movaps	-16 * SIZE(AA), %xmm0
	pxor	%xmm4, %xmm4
	movaps	-16 * SIZE(BB), %xmm1
	pxor	%xmm5, %xmm5