RE: -fno-strict-aliasing

From: Joerg Pommnitz (Joerg.Pommnitz@joerg-pommnitz.de)
Date: Tue Apr 18 2000 - 10:34:28 EDT

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> Can anybody tell me what the gcc flag "-fno-strict-aliasing" does?
> It's used by default on kernel builts but not documented in the gcc man
page.
> I'm curious how many other flags exist that also aren't documented, or if
there
> is some place these are actually documented?

It switches off Mark Mitchel's aliasing code in gcc.
This is required because the Linux kernel sources
violate the ANSI-C aliasing rules.

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Next message: Michael H. Warfield: "Re: Security in general (was Re: Proposal "LUID")"
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Maybe in reply to: Robert Dinse: "-fno-strict-aliasing"
Next in thread: Andi Kleen: "Re: -fno-strict-aliasing"
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