OpenBLAS/kernel/power/zgemm_tcopy_logic_8_power8.S

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/**************************************************************************************
* 2016/04/22 Werner Saar (wernsaar@googlemail.com)
* 	 BLASTEST 		: OK
* 	 CTEST			: OK
* 	 TEST			: OK
*	 LAPACK-TEST		: OK
**************************************************************************************/


	srawi.		I,	M,	2
	ble		ZCOPYT_L2_BEGIN


ZCOPYT_L4_BEGIN:

	mr		A0,	A
	add		A1,	A0,	LDA
	add		A2,	A1,	LDA
	add		A3,	A2,	LDA
	add		A,	A3,	LDA
	mr		B8,	B
	addi		B,	B,	64*SIZE

	sradi.		J,	N,	3
	ble		ZCOPYT_L4x4_BEGIN

	mr		BO,	B8

	.align 5

ZCOPYT_L4x8_LOOP:

	addi    T1,     PREB,   128
        addi    T2,     PREB,   256
        dcbt    A0,     PREA
        dcbt    A1,     PREA
        dcbt    A2,     PREA
        dcbt    A3,     PREA
        dcbtst  BO,     M8
        dcbtst  BO,     PREB
        dcbtst  BO,     T1
        dcbtst  BO,     T2

	COPY_4x8

	add		BO,	BO,	M8

	addic.		J,	J,	-1
	bgt		ZCOPYT_L4x8_LOOP

ZCOPYT_L4x4_BEGIN:

	andi.		T1,	N,	4
	ble		ZCOPYT_L4x2_BEGIN

	mr		BO,	B4

	COPY_4x4


	addi		B4,	B4,	32*SIZE

ZCOPYT_L4x2_BEGIN:

	andi.		T1,	N,	2
	ble		ZCOPYT_L4x1_BEGIN

	mr		BO,	B2

	COPY_4x2


	addi		B2,	B2,	16*SIZE

ZCOPYT_L4x1_BEGIN:

	andi.		T1,	N,	1
	ble		ZCOPYT_L4_END

	mr		BO,	B1

	COPY_4x1


	addi		B1,	B1,	8*SIZE

ZCOPYT_L4_END:

	addic.		I,	I,	-1
	bgt		ZCOPYT_L4_BEGIN



ZCOPYT_L2_BEGIN:

	andi.		T1,	M,	2
	ble		ZCOPYT_L1_BEGIN

	mr		A0,	A
	add		A1,	A0,	LDA
	add		A,	A1,	LDA
	mr		B8,	B
	addi		B,	B,	32*SIZE

	sradi.		J,	N,	3
	ble		ZCOPYT_L2x4_BEGIN

	mr		BO,	B8

ZCOPYT_L2x8_LOOP:

	COPY_2x8

	add		BO,	BO,	M8

	addic.		J,	J,	-1
	bgt		ZCOPYT_L2x8_LOOP

ZCOPYT_L2x4_BEGIN:

	andi.		T1,	N,	4
	ble		ZCOPYT_L2x2_BEGIN

	mr		BO,	B4

	COPY_2x4


	addi		B4,	B4,	16*SIZE

ZCOPYT_L2x2_BEGIN:

	andi.		T1,	N,	2
	ble		ZCOPYT_L2x1_BEGIN

	mr		BO,	B2

	COPY_2x2


	addi		B2,	B2,	8*SIZE

ZCOPYT_L2x1_BEGIN:

	andi.		T1,	N,	1
	ble		ZCOPYT_L2_END

	mr		BO,	B1

	COPY_2x1


	addi		B1,	B1,	4*SIZE

ZCOPYT_L2_END:


ZCOPYT_L1_BEGIN:

	andi.		T1,	M,	1
	ble		L999

	mr		A0,	A
	add		A,	A0,	LDA
	mr		B8,	B
	addi		B,	B,	16*SIZE

	sradi.		J,	N,	3
	ble		ZCOPYT_L1x4_BEGIN

	mr		BO,	B8

ZCOPYT_L1x8_LOOP:

	COPY_1x8

	add		BO,	BO,	M8

	addic.		J,	J,	-1
	bgt		ZCOPYT_L1x8_LOOP

ZCOPYT_L1x4_BEGIN:

	andi.		T1,	N,	4
	ble		ZCOPYT_L1x2_BEGIN

	mr		BO,	B4

	COPY_1x4


	addi		B4,	B4,	8*SIZE

ZCOPYT_L1x2_BEGIN:

	andi.		T1,	N,	2
	ble		ZCOPYT_L1x1_BEGIN

	mr		BO,	B2

	COPY_1x2


	addi		B2,	B2,	4*SIZE

ZCOPYT_L1x1_BEGIN:

	andi.		T1,	N,	1
	ble		ZCOPYT_L1_END

	mr		BO,	B1

	COPY_1x1


	addi		B1,	B1,	2*SIZE

ZCOPYT_L1_END: