-qunwind

Description

Informs the compiler that the stack can be unwound while a routine in the compilation is active.

Syntax

Read syntax diagramSkip visual syntax diagram        .-unwind---.
>>- -q--+-nounwind-+-------------------------------------------><

Notes

Specifying -qnounwind can improve optimization of non-volatile register saves and restores.

C++ only For C++ programs, specifying -qnounwind also implies -qnoeh.

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