Infineon TriCore TC1.6P - CLS - Count Leading Signs

TriCore
®
TC1.6P & TC1.6E
32-bit Unified Processor Core
Instruction Set
V1.0 2013-07
User Manual (Volume 2) 3-70
CLS
Count Leading Signs
Description
Count the number of consecutive bits which have the same value as bit 31 in D[a], starting with bit 30, and put the
result in D[c]. The result is the number of leading sign bits minus one, giving the number of redundant sign bits in
D[a].
CLSD[c], D[a] (RR)
result = leading_signs(D[a]) - 1;
D[c] = zero_ext(result);
Status Flags
Examples
cls d3, d1
See Also
CLO, CLO.H, CLZ, CLZ.H, CLS.H
C Not set by this instruction.
V Not set by this instruction.
SV Not set by this instruction.
AV Not set by this instruction.
SAV Not set by this instruction.
31
c
28 27
1D
H
20 19
-
18 17
-
16 15
-
12 11
a
8 7
0F
H
0