FFMA2

FP32 Fused Multiply and Add

5 variants on SM100 (Blackwell)

FFMA2

R,R,R,R

distilled: @P0 FFMA2 R0, R0.F32x2.HI_LO, R0.F32x2.HI_LO, R0.F32x2.HI_LO;

key: FFMA2_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	0	0	1	0	0	1	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	FMZ	0	modi 2		FTZ	modi		NP	modi		NP	modi		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

Operand 1 Modifiers

Binary	Value
00	HI_LO
01	LO_HI
10	F32
11	INVALID3

Operand 2 Modifiers

Binary	Value
00	HI_LO
01	LO_HI
10	F32
11	INVALID3

Operand 3 Modifiers

Binary	Value
00	HI_LO
01	LO_HI
10	F32
11	INVALID3

Bit ranges are shown least-significant bit first.

FFMA2

R,R,R,F

distilled: @P0 FFMA2 R0, R0.F32x2.HI_LO, R0.F32x2.HI_LO, 0;

key: FFMA2_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	0	0	1	0	0	1	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	FMZ	0	modi 2		FTZ	modi		NP	0	operand 3		modi		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

Operand 1 Modifiers

Binary	Value
00	HI_LO
01	LO_HI
10	F32
11	INVALID3

Operand 2 Modifiers

Binary	Value
00	HI_LO
01	LO_HI
10	F32
11	INVALID3

Bit ranges are shown least-significant bit first.

FFMA2

R,R,F,R

distilled: @P0 FFMA2 R0, R0.F32x2.HI_LO, 0, R0.F32x2.HI_LO;

key: FFMA2_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	0	0	1	0	0	1	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	FMZ	0	modi 2		FTZ	modi		NP	modi		NP	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

Operand 1 Modifiers

Binary	Value
00	HI_LO
01	LO_HI
10	F32
11	INVALID3

Operand 3 Modifiers

Binary	Value
00	HI_LO
01	LO_HI
10	F32
11	INVALID3

Bit ranges are shown least-significant bit first.

FFMA2

R,R,UR,R

distilled: @P0 FFMA2 R0, R0.F32x2.HI_LO, UR0.F32x2.HI_LO, R0.F32x2.HI_LO;

key: FFMA2_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	0	0	1	0	0	1	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	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	FMZ	0	modi 2		FTZ	modi		NP	modi		NP	modi		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

Operand 1 Modifiers

Binary	Value
00	HI_LO
01	LO_HI
10	F32
11	INVALID3

Operand 2 Modifiers

Binary	Value
00	HI_LO
01	LO_HI
10	F32
11	INVALID3

Operand 3 Modifiers

Binary	Value
00	HI_LO
01	LO_HI
10	F32
11	INVALID3

Bit ranges are shown least-significant bit first.

FFMA2

R,R,R,UR

distilled: @P0 FFMA2 R0, R0.F32x2.HI_LO, R0.F32x2.HI_LO, UR0.F32x2.HI_LO;

key: FFMA2_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	0	0	1	0	0	1	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	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	FMZ	0	modi 2		FTZ	modi		NP	modi		NP	modi		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

Operand 1 Modifiers

Binary	Value
00	HI_LO
01	LO_HI
10	F32
11	INVALID3

Operand 2 Modifiers

Binary	Value
00	HI_LO
01	LO_HI
10	F32
11	INVALID3

Operand 3 Modifiers

Binary	Value
00	HI_LO
01	LO_HI
10	F32
11	INVALID3

Bit ranges are shown least-significant bit first.