NVIDIA ISA Viewer

FFMA

FP32 Fused Multiply and Add

9 variants on SM90 (H100)

FFMA
R,R,R,R
distilled: @P0 FFMA R0, R0, R0, R0;
key: FFMA_R_R_R_R
0123456701234567012345670123456701234567012345670123456701234567
110001000100predoperand 0operand 1operand 20000000000000000000000cABScNEG
0123456701234567012345670123456701234567012345670123456701234567
operand 3cNEGcABScABScNEGFMZSATmodi 1FTZ000000000000000000000000stallyr-barw-barb-maskreuse00

Modifier Group 1

BinaryValue
00(default)
01RM
10RP
11RZ
FFMA
R,R,R,F
distilled: @P0 FFMA R0, R0, R0, 0;
key: FFMA_R_R_R_F
0123456701234567012345670123456701234567012345670123456701234567
110001000010predoperand 0operand 1operand 3
0123456701234567012345670123456701234567012345670123456701234567
operand 2cNEGcABScABScNEGFMZSATmodi 1FTZ000000000000000000000000stallyr-barw-barb-maskreuse00

Modifier Group 1

BinaryValue
00(default)
01RM
10RP
11RZ
FFMA
R,R,R,c[I][I]
distilled: @P0 FFMA R0, R0, R0, c[0x0][0x0];
key: FFMA_R_R_R_I_I
0123456701234567012345670123456701234567012345670123456701234567
110001000110predoperand 0operand 100000000operand 4operand 3operand 4operand 300000
0123456701234567012345670123456701234567012345670123456701234567
operand 2cNEGcABScABScNEGFMZSATmodi 1FTZ000000000000000000000000stallyr-barw-barb-maskreuse00

Modifier Group 1

BinaryValue
00(default)
01RM
10RP
11RZ
FFMA
R,R,R,cx[UR][I]
distilled: @P0 FFMA R0, R0, R0, cx[UR0][0x0];
key: FFMA_R_R_R_UR_I
0123456701234567012345670123456701234567012345670123456701234567
110001000110predoperand 0operand 1operand 30operand 4000000000
0123456701234567012345670123456701234567012345670123456701234567
operand 2cNEGcABScABScNEGFMZSATmodi 1FTZ000000000010000000000000stallyr-barw-barb-maskreuse00

Modifier Group 1

BinaryValue
00(default)
01RM
10RP
11RZ
FFMA
R,R,F,R
distilled: @P0 FFMA R0, R0, 0, R0;
key: FFMA_R_R_F_R
0123456701234567012345670123456701234567012345670123456701234567
110001000001predoperand 0operand 1operand 2
0123456701234567012345670123456701234567012345670123456701234567
operand 3cNEGcABScABScNEGFMZSATmodi 1FTZ000000000000000000000000stallyr-barw-barb-maskreuse00

Modifier Group 1

BinaryValue
00(default)
01RM
10RP
11RZ
FFMA
R,R,c[I][I],R
distilled: @P0 FFMA R0, R0, c[0x0][0x0], R0;
key: FFMA_R_R_I_I_R
0123456701234567012345670123456701234567012345670123456701234567
110001000101predoperand 0operand 100000000operand 3operand 2operand 3operand 200000
0123456701234567012345670123456701234567012345670123456701234567
operand 4cNEGcABScABScNEGFMZSATmodi 1FTZ000000000000000000000000stallyr-barw-barb-maskreuse00

Modifier Group 1

BinaryValue
00(default)
01RM
10RP
11RZ
FFMA
R,R,cx[UR][I],R
distilled: @P0 FFMA R0, R0, cx[UR0][0x0], R0;
key: FFMA_R_R_UR_I_R
0123456701234567012345670123456701234567012345670123456701234567
110001000101predoperand 0operand 1operand 20operand 3000000000
0123456701234567012345670123456701234567012345670123456701234567
operand 4cNEGcABScABScNEGFMZSATmodi 1FTZ000000000010000000000000stallyr-barw-barb-maskreuse00

Modifier Group 1

BinaryValue
00(default)
01RM
10RP
11RZ
FFMA
R,R,UR,R
distilled: @P0 FFMA R0, R0, UR0, R0;
key: FFMA_R_R_UR_R
0123456701234567012345670123456701234567012345670123456701234567
110001000011predoperand 0operand 1operand 200000000000000000000000cABScNEG
0123456701234567012345670123456701234567012345670123456701234567
operand 3cNEGcABScABScNEGFMZSATmodi 1FTZ000000000010000000000000stallyr-barw-barb-maskreuse00

Modifier Group 1

BinaryValue
00(default)
01RM
10RP
11RZ
FFMA
R,R,R,UR
distilled: @P0 FFMA R0, R0, R0, UR0;
key: FFMA_R_R_R_UR
0123456701234567012345670123456701234567012345670123456701234567
110001000111predoperand 0operand 1operand 300000000000000000000000cABScNEG
0123456701234567012345670123456701234567012345670123456701234567
operand 2cNEGcABScABScNEGFMZSATmodi 1FTZ000000000010000000000000stallyr-barw-barb-maskreuse00

Modifier Group 1

BinaryValue
00(default)
01RM
10RP
11RZ