OpenBLAS/kernel/power/sgemm_tcopy_logic_16_power8.S

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/**************************************************************************************
* 2016/04/21 Werner Saar (wernsaar@googlemail.com)
* 	 BLASTEST 		: OK
* 	 CTEST			: OK
* 	 TEST			: OK
*	 LAPACK-TEST		: OK
**************************************************************************************/


	srawi.		I,	M,	2
	ble		SCOPYT_L2_BEGIN


SCOPYT_L4_BEGIN:

	mr		A0,	A
	add		A1,	A0,	LDA
	add		A2,	A1,	LDA
	add		A3,	A2,	LDA
	add		A,	A3,	LDA
	mr		B16,	B
	addi		B,	B,	64*SIZE

	sradi.		J,	N,	4
	ble		SCOPYT_L4x8_BEGIN

	mr		BO,	B16

SCOPYT_L4x16_LOOP:

	dcbtst		BO,	M16
	dcbtst		BO,	PREB
	dcbt		A0,	PREA
	dcbt		A1,	PREA
	dcbt		A2,	PREA
	dcbt		A3,	PREA
	COPY_4x16

	addi		A0,	A0,	16*SIZE
	addi		A1,	A1,	16*SIZE
	addi		A2,	A2,	16*SIZE
	addi		A3,	A3,	16*SIZE
	add		BO,	BO,	M16

	addic.		J,	J,	-1
	ble		SCOPYT_L4x8_BEGIN


	dcbtst		BO,	M16
	dcbtst		BO,	PREB
	COPY_4x16

	addi		A0,	A0,	16*SIZE
	addi		A1,	A1,	16*SIZE
	addi		A2,	A2,	16*SIZE
	addi		A3,	A3,	16*SIZE
	add		BO,	BO,	M16

	addic.		J,	J,	-1
	bgt		SCOPYT_L4x16_LOOP

SCOPYT_L4x8_BEGIN:

	andi.		T1,	N,	8
	ble		SCOPYT_L4x4_BEGIN

	mr		BO,	B8

	COPY_4x8

	addi		A0,	A0,	8*SIZE
	addi		A1,	A1,	8*SIZE
	addi		A2,	A2,	8*SIZE
	addi		A3,	A3,	8*SIZE

	addi		B8,	B8,	32*SIZE

SCOPYT_L4x4_BEGIN:

	andi.		T1,	N,	4
	ble		SCOPYT_L4x2_BEGIN

	mr		BO,	B4

	COPY_4x4

	addi		A0,	A0,	4*SIZE
	addi		A1,	A1,	4*SIZE
	addi		A2,	A2,	4*SIZE
	addi		A3,	A3,	4*SIZE

	addi		B4,	B4,	16*SIZE

SCOPYT_L4x2_BEGIN:

	andi.		T1,	N,	2
	ble		SCOPYT_L4x1_BEGIN

	mr		BO,	B2

	COPY_4x2

	addi		A0,	A0,	2*SIZE
	addi		A1,	A1,	2*SIZE
	addi		A2,	A2,	2*SIZE
	addi		A3,	A3,	2*SIZE

	addi		B2,	B2,	8*SIZE

SCOPYT_L4x1_BEGIN:

	andi.		T1,	N,	1
	ble		SCOPYT_L4_END

	mr		BO,	B1

	COPY_4x1

	addi		A0,	A0,	1*SIZE
	addi		A1,	A1,	1*SIZE
	addi		A2,	A2,	1*SIZE
	addi		A3,	A3,	1*SIZE

	addi		B1,	B1,	4*SIZE

SCOPYT_L4_END:

	addic.		I,	I,	-1
	bgt		SCOPYT_L4_BEGIN



SCOPYT_L2_BEGIN:

	andi.		T1,	M,	2
	ble		SCOPYT_L1_BEGIN

	mr		A0,	A
	add		A1,	A0,	LDA
	add		A,	A1,	LDA
	mr		B16,	B
	addi		B,	B,	32*SIZE

	sradi.		J,	N,	4
	ble		SCOPYT_L2x8_BEGIN

	mr		BO,	B16

SCOPYT_L2x16_LOOP:

	COPY_2x16

	addi		A0,	A0,	16*SIZE
	addi		A1,	A1,	16*SIZE
	add		BO,	BO,	M16

	addic.		J,	J,	-1
	bgt		SCOPYT_L2x16_LOOP

SCOPYT_L2x8_BEGIN:

	andi.		T1,	N,	8
	ble		SCOPYT_L2x4_BEGIN

	mr		BO,	B8

	COPY_2x8

	addi		A0,	A0,	8*SIZE
	addi		A1,	A1,	8*SIZE

	addi		B8,	B8,	16*SIZE

SCOPYT_L2x4_BEGIN:

	andi.		T1,	N,	4
	ble		SCOPYT_L2x2_BEGIN

	mr		BO,	B4

	COPY_2x4

	addi		A0,	A0,	4*SIZE
	addi		A1,	A1,	4*SIZE

	addi		B4,	B4,	8*SIZE

SCOPYT_L2x2_BEGIN:

	andi.		T1,	N,	2
	ble		SCOPYT_L2x1_BEGIN

	mr		BO,	B2

	COPY_2x2

	addi		A0,	A0,	2*SIZE
	addi		A1,	A1,	2*SIZE

	addi		B2,	B2,	4*SIZE

SCOPYT_L2x1_BEGIN:

	andi.		T1,	N,	1
	ble		SCOPYT_L2_END

	mr		BO,	B1

	COPY_2x1

	addi		A0,	A0,	1*SIZE
	addi		A1,	A1,	1*SIZE

	addi		B1,	B1,	2*SIZE

SCOPYT_L2_END:


SCOPYT_L1_BEGIN:

	andi.		T1,	M,	1
	ble		L999

	mr		A0,	A
	add		A,	A0,	LDA
	mr		B16,	B
	addi		B,	B,	16*SIZE

	sradi.		J,	N,	4
	ble		SCOPYT_L1x8_BEGIN

	mr		BO,	B16

SCOPYT_L1x16_LOOP:

	COPY_1x16

	addi		A0,	A0,	16*SIZE
	add		BO,	BO,	M16

	addic.		J,	J,	-1
	bgt		SCOPYT_L1x16_LOOP

SCOPYT_L1x8_BEGIN:

	andi.		T1,	N,	8
	ble		SCOPYT_L1x4_BEGIN

	mr		BO,	B8

	COPY_1x8

	addi		A0,	A0,	8*SIZE

	addi		B8,	B8,	8*SIZE

SCOPYT_L1x4_BEGIN:

	andi.		T1,	N,	4
	ble		SCOPYT_L1x2_BEGIN

	mr		BO,	B4

	COPY_1x4

	addi		A0,	A0,	4*SIZE

	addi		B4,	B4,	4*SIZE

SCOPYT_L1x2_BEGIN:

	andi.		T1,	N,	2
	ble		SCOPYT_L1x1_BEGIN

	mr		BO,	B2

	COPY_1x2

	addi		A0,	A0,	2*SIZE

	addi		B2,	B2,	2*SIZE

SCOPYT_L1x1_BEGIN:

	andi.		T1,	N,	1
	ble		SCOPYT_L1_END

	mr		BO,	B1

	COPY_1x1

	addi		A0,	A0,	1*SIZE

	addi		B1,	B1,	1*SIZE

SCOPYT_L1_END: