DFMA

FP64 Fused Mutiply Add

9 variants on SM90 (H100)

DFMA

R,R,R,R

distilled: @P0 DFMA R0, R0, R0, R0 ;

key: DFMA_R_R_R_R

0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7
1	1	0	1	0	1	0	0	0	1	0	0	pred				operand 0								operand 1								operand 2								0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	cABS	cNEG
0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7
operand 3								cNEG	cABS	cABS	cNEG	0	0	modi 1		0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	stall				y	r-bar			w-bar			b-mask						reuse				0	0

Modifier Group 1

Binary	Value
00	(default)
01	RM
10	RP
11	RZ

DFMA

R,R,R,F

distilled: @P0 DFMA R0, R0, R0, 0 ;

key: DFMA_R_R_R_F

0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7
1	1	0	1	0	1	0	0	0	0	1	0	pred				operand 0								operand 1								operand 3
0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7
operand 2								cNEG	cABS	cABS	cNEG	0	0	modi 1		0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	stall				y	r-bar			w-bar			b-mask						reuse				0	0

Modifier Group 1

Binary	Value
00	(default)
01	RM
10	RP
11	RZ

DFMA

R,R,R,c[I][I]

distilled: @P0 DFMA R0, R0, R0, c[0x0][0x0] ;

key: DFMA_R_R_R_I_I

0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7
1	1	0	1	0	1	0	0	0	1	1	0	pred				operand 0								operand 1								0	0	0	0	0	0	0	operand 4													operand 3	operand 4	operand 3				0	0	0	0	0
0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7
operand 2								cNEG	cABS	cABS	cNEG	0	0	modi 1		0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	stall				y	r-bar			w-bar			b-mask						reuse				0	0

Modifier Group 1

Binary	Value
00	(default)
01	RM
10	RP
11	RZ

DFMA

R,R,R,cx[UR][I]

distilled: @P0 DFMA R0, R0, R0, cx[UR0][0x0] ;

key: DFMA_R_R_R_UR_I

0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7
1	1	0	1	0	1	0	0	0	1	1	0	pred				operand 0								operand 1								operand 3							0	operand 4															0	0	0	0	0	0	0	0	0
0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7
operand 2								cNEG	cABS	cABS	cNEG	0	0	modi 1		0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0	0	0	0	0	stall				y	r-bar			w-bar			b-mask						reuse				0	0

Modifier Group 1

Binary	Value
00	(default)
01	RM
10	RP
11	RZ

DFMA

R,R,F,R

distilled: @P0 DFMA R0, R0, 0, R0 ;

key: DFMA_R_R_F_R

0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7
1	1	0	1	0	1	0	0	0	0	0	1	pred				operand 0								operand 1								operand 2
0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7
operand 3								cNEG	cABS	cABS	cNEG	0	0	modi 1		0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	stall				y	r-bar			w-bar			b-mask						reuse				0	0

Modifier Group 1

Binary	Value
00	(default)
01	RM
10	RP
11	RZ

DFMA

R,R,c[I][I],R

distilled: @P0 DFMA R0, R0, c[0x0][0x0], R0 ;

key: DFMA_R_R_I_I_R

0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7
1	1	0	1	0	1	0	0	0	1	0	1	pred				operand 0								operand 1								0	0	0	0	0	0	0	operand 3													operand 2	operand 3	operand 2				0	0	0	0	0
0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7
operand 4								cNEG	cABS	cABS	cNEG	0	0	modi 1		0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	stall				y	r-bar			w-bar			b-mask						reuse				0	0

Modifier Group 1

Binary	Value
00	(default)
01	RM
10	RP
11	RZ

DFMA

R,R,cx[UR][I],R

distilled: @P0 DFMA R0, R0, cx[UR0][0x0], R0 ;

key: DFMA_R_R_UR_I_R

0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7
1	1	0	1	0	1	0	0	0	1	0	1	pred				operand 0								operand 1								operand 2							0	operand 3															0	0	0	0	0	0	0	0	0
0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7
operand 4								cNEG	cABS	cABS	cNEG	0	0	modi 1		0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0	0	0	0	0	stall				y	r-bar			w-bar			b-mask						reuse				0	0

Modifier Group 1

Binary	Value
00	(default)
01	RM
10	RP
11	RZ

DFMA

R,R,UR,R

distilled: @P0 DFMA R0, R0, UR0, R0 ;

key: DFMA_R_R_UR_R

0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7
1	1	0	1	0	1	0	0	0	0	1	1	pred				operand 0								operand 1								operand 2							0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	cABS	cNEG
0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7
operand 3								cNEG	cABS	cABS	cNEG	0	0	modi 1		0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0	0	0	0	stall				y	r-bar			w-bar			b-mask						reuse				0	0

Modifier Group 1

Binary	Value
00	(default)
01	RM
10	RP
11	RZ

DFMA

R,R,R,UR

distilled: @P0 DFMA R0, R0, R0, UR0 ;

key: DFMA_R_R_R_UR

0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7
1	1	0	1	0	1	0	0	0	1	1	1	pred				operand 0								operand 1								operand 3							0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	cABS	cNEG
0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7	0	1	2	3	4	5	6	7
operand 2								cNEG	cABS	cABS	cNEG	0	0	modi 1		0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0	0	0	0	stall				y	r-bar			w-bar			b-mask						reuse				0	0

Modifier Group 1

Binary	Value
00	(default)
01	RM
10	RP
11	RZ