OpenBLAS/kernel/power/cgemm_tcopy_logic_8_power8.S

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/**************************************************************************************
* 2016/04/23 Werner Saar (wernsaar@googlemail.com)
* 	 BLASTEST 		: OK
* 	 CTEST			: OK
* 	 TEST			: OK
*	 LAPACK-TEST		: OK
**************************************************************************************/


	srawi.		I,	M,	2
	ble		CCOPYT_L2_BEGIN


CCOPYT_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		CCOPYT_L4x4_BEGIN

	mr		BO,	B8

CCOPYT_L4x8_LOOP:

	dcbt		A0, PREA
	dcbt		A1, PREA
	dcbt		A2, PREA
	dcbt		A3, PREA
	dcbtst		BO, M8
	dcbtst		BO, PREB
	COPY_4x8

	add		BO,	BO,	M8

	addic.		J,	J,	-1
	ble		CCOPYT_L4x4_BEGIN


	COPY_4x8

	add		BO,	BO,	M8

	addic.		J,	J,	-1
	bgt		CCOPYT_L4x8_LOOP

CCOPYT_L4x4_BEGIN:

	andi.		T1,	N,	4
	ble		CCOPYT_L4x2_BEGIN

	mr		BO,	B4

	COPY_4x4


	addi		B4,	B4,	32*SIZE

CCOPYT_L4x2_BEGIN:

	andi.		T1,	N,	2
	ble		CCOPYT_L4x1_BEGIN

	mr		BO,	B2

	COPY_4x2


	addi		B2,	B2,	16*SIZE

CCOPYT_L4x1_BEGIN:

	andi.		T1,	N,	1
	ble		CCOPYT_L4_END

	mr		BO,	B1

	COPY_4x1


	addi		B1,	B1,	8*SIZE

CCOPYT_L4_END:

	addic.		I,	I,	-1
	bgt		CCOPYT_L4_BEGIN



CCOPYT_L2_BEGIN:

	andi.		T1,	M,	2
	ble		CCOPYT_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		CCOPYT_L2x4_BEGIN

	mr		BO,	B8

CCOPYT_L2x8_LOOP:

	COPY_2x8

	add		BO,	BO,	M8

	addic.		J,	J,	-1
	bgt		CCOPYT_L2x8_LOOP

CCOPYT_L2x4_BEGIN:

	andi.		T1,	N,	4
	ble		CCOPYT_L2x2_BEGIN

	mr		BO,	B4

	COPY_2x4


	addi		B4,	B4,	16*SIZE

CCOPYT_L2x2_BEGIN:

	andi.		T1,	N,	2
	ble		CCOPYT_L2x1_BEGIN

	mr		BO,	B2

	COPY_2x2


	addi		B2,	B2,	8*SIZE

CCOPYT_L2x1_BEGIN:

	andi.		T1,	N,	1
	ble		CCOPYT_L2_END

	mr		BO,	B1

	COPY_2x1


	addi		B1,	B1,	4*SIZE

CCOPYT_L2_END:


CCOPYT_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		CCOPYT_L1x4_BEGIN

	mr		BO,	B8

CCOPYT_L1x8_LOOP:

	COPY_1x8

	add		BO,	BO,	M8

	addic.		J,	J,	-1
	bgt		CCOPYT_L1x8_LOOP

CCOPYT_L1x4_BEGIN:

	andi.		T1,	N,	4
	ble		CCOPYT_L1x2_BEGIN

	mr		BO,	B4

	COPY_1x4


	addi		B4,	B4,	8*SIZE

CCOPYT_L1x2_BEGIN:

	andi.		T1,	N,	2
	ble		CCOPYT_L1x1_BEGIN

	mr		BO,	B2

	COPY_1x2


	addi		B2,	B2,	4*SIZE

CCOPYT_L1x1_BEGIN:

	andi.		T1,	N,	1
	ble		CCOPYT_L1_END

	mr		BO,	B1

	COPY_1x1


	addi		B1,	B1,	2*SIZE

CCOPYT_L1_END: