asm/reference

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VCVTUQQ2PD



Converts an unsigned qword integer value to a double-precision floating-point value.

The following table describes the supported source and destination operands.

source destination(s)
m64 f64
r64 f64

DO NOT support LOCK

This instruction is available only in 64-bit mode. It is NOT supported in compatibility mode.

The destination operand MUST be an XMM register. If the source is a memory operand, it SHALL be aligned to the appropriate boundary according to the memory model; otherwise, an alignment check exception may occur.

The instruction may set the #P (Inexact result) exception flag if the rounded result cannot be represented exactly in the double-precision format. Precision is handled according to the rounding control in the MXCSR register.