dbl - 2024.2 English

Description

Converts the signed long value in register rA_L to double precision floating-point and puts the result in register rD_L. This is a 64-bit rounding signed conversion that will produce a 64-bit floating-point result.

Pseudocode

(rDL) ← double ((rAL))

Registers Altered

• rD_L

Latency

• 5 cycles with C_AREA_OPTIMIZED=0
• 7 cycles with C_AREA_OPTIMIZED=1
• 2 cycles with C_AREA_OPTIMIZED=2

Notes

• This instruction is only available when the MicroBlaze parameter C_USE_FPU is set to 2 (Extended).