Texas Instruments TMS320C67X/C67X+ DSP - Manual (Page 63)

Instruction Operation and Execution Notations
3-3 Instruction Set SPRU733
Table 3−1. Instruction Operation and Execution Notations (Continued)
Symbol Meaning
gmpy Galois Field Multiply
i2 Two packed 16-bit integers in a single 32-bit register
i4 Four packed 8-bit integers in a single 32-bit register
int 32-bit integer value
int(x) Convert x to integer
lmb0(x) Leftmost 0 bit search of x
lmb1(x) Leftmost 1 bit search of x
long 40-bit integer value
lsbn or LSBn n least-significant bits (for example, lsb16)
msbn or MSBn n most-significant bits (for example, msb16)
nop No operation
norm(x) Leftmost nonredundant sign bit of x
not Bitwise logical complement
op Opfields
or Bitwise OR
R Any general-purpose register
rcp(x) Reciprocal approximation of x
ROTL Rotate left
sat Saturate
sbyte0 Signed 8-bit value in the least-significant byte position in 32-bit register (bits 0−7)
sbyte1 Signed 8-bit value in the next to least-significant byte position in 32-bit register (bits 8−15)
sbyte2 Signed 8-bit value in the next to most-significant byte position in 32-bit register (bits 16−23)
sbyte3 Signed 8-bit value in the most-significant byte position in 32-bit register (bits 24−31)
scstn n-bit signed constant field
sdint Signed 64-bit integer value (two registers)
se Sign-extend