-qaggrcopy

Category

Optimization and tuning

Pragma equivalent

None.

Purpose

Enables destructive copy operations for structures and unions.

Defaults

-qaggrcopy=nooverlap

Parameters

overlap | nooverlap

nooverlap assumes that the source and destination for structure and union assignments do not overlap, allowing the compiler to generate faster code. overlap inhibits these optimizations.

Predefined macros

None.