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VCVT (from floating-point to integer with directed rounding modes)
Convert from floating-point to signed or unsigned integer with directed rounding modes.
Note
This instruction is supported only in ARMv8.Syntax
VCVT
mode.S32.F64 Sd, Dm
VCVT
mode.S32.F32 Sd, Sm
VCVT
mode.U32.F64 Sd, Dm
VCVT
mode.U32.F32 Sd, Sm
where:
modemust be one of:
Ameaning round to nearest, ties away from zero
N- meaning round to nearest, ties to even
P- meaning round towards plus infinity
M- meaning round towards minus infinity.
Sd, Sm- specifies the single-precision registers for the operand and result.
Sd, Dm- specifies a single-precision register for the result and double-precision register holding the operand.
Notes
You cannot use VCVT with a directed
rounding mode inside an IT block.
Floating-point exceptions
These instructions can produce Input Denormal, Invalid Operation, or Inexact exceptions.