SPRUIZ1B July 2023 – August 2024 TMS320F28P650DH , TMS320F28P650DK , TMS320F28P650SH , TMS320F28P650SK , TMS320F28P659DH-Q1 , TMS320F28P659DK-Q1 , TMS320F28P659SH-Q1
Convert 32-Bit Integer to 32-Bit Floating-Point Value
MRa | CLA floating-point destination register (MR0 to MR3) |
MRb | CLA floating-point source register (MR0 to MR3) |
LSW: 0000 0000 0000 bbaa
MSW: 0111 1101 1000 0000
Convert the signed 32-bit integer in MRb to a 32-bit floating-point value and store the result in MRa.
MRa = MI32TOF32(MRb);
This instruction does not affect any flags:
Flag | TF | ZF | NF | LUF | LVF |
---|---|---|---|---|---|
Modified | No | No | No | No | No |
This is a single-cycle instruction.
MMOVIZ MR2, #0x1111 ; MR2(31:16) = 4369 (0x1111)
MMOVXI MR2, #0x1111 ; MR2(15:0) = 4369 (0x1111)
; MR2 = +286331153 (0x11111111)
MI32TOF32 MR3, MR2 ; MR3 = MI32TOF32 (MR2) = 286331153.0 (0x4D888888)