Floating-Point Instruction Operation And Execution Notations - Texas Instruments TMS320C6000 Series Reference Manual

Instruction Operation and Execution Notations
4.1 Instruction Operation and Execution Notations
Table 4–1. Floating-Point Instruction Operation and Execution Notations
4-2
Table 4–1 explains the symbols used in the floating-point instruction descriptions.
Symbol Meaning
abs(x) Absolute value of x
cond Check for either creg equal to 0 or creg not equal to 0
creg 3-bit field specifying a conditional register
cstn n-bit constant field (for example, cst5)
dp Double-precision floating-point register value
dp(x) Convert x to dp
dst_h msb32 of dst
dst_l lsb32 of dst
int 32-bit integer value
int(x) Convert x to integer
lsbn or LSBn n least significant bits (for example, lsb32)
msbn or MSBn n most significant bits (for example, msb32)
nop No operation
R Any general-purpose register
rcp(x) Reciprocal approximation of x
sdint Signed 64-bit integer value (two registers)
sint Signed 32-bit integer value
sp Single-precision floating-point register value that can optionally use
cross path
sp(x) Convert x to sp
sqrcp(x) Square root of reciprocal approximation of x
src1_h msb32 of src1
src1_l lsb32 of src1
src2_h msb32 of src2
src2_l lsb32 of src2