NVIDIA ISA Viewer

UFLO

Uniform Find Leading One

2 variants on SM75 (Turing)

UFLO

UR,UP,UR

distilled: @UP0 UFLO.U32 UR0, UP0, UR0;

key: UFLO_UR_UP_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	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	1	1	1	1	0	1	0	1	0	0	pred				operand 0							0	0	0	0	0	0	0	0	0	operand 2							0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	cINV
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
0	0	0	0	0	0	0	0	0	modi 1	SH	0	0	0	0	0	operand 1				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
0	U32
1	(default)

UFLO

UR,UP,I

distilled: @UP0 UFLO.U32 UR0, UP0, 0x0;

key: UFLO_UR_UP_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	0	1	1	1	1	0	1	0	0	0	1	pred				operand 0							0	0	0	0	0	0	0	0	0	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
0	0	0	0	0	0	0	0	0	modi 1	SH	0	0	0	0	0	operand 1				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
0	U32
1	(default)