Strange behaviour of gcc

Randall R Schulz
Sun Dec 29 20:19:00 GMT 2002


Man! I scanned through the GCC man page for anything that would control 
this action, and couldn't find anything. I don't see "-mno-stack-arg-probe" 
listed there at all, nor is any option that includes the word "probe."

Google ("GCC mno-stack-arg-probe" 
turns up only three relevant hits (including one recent thread on the 
Cygwin mailing list: 
<> and 

Randall Schulz

At 12:28 2002-12-29, Danny Smith wrote:

> > GCC's __builtin_alloca uses a helper function called _alloca to check
> > the stack whenever allocating more that 4000  bytes in one go.
> >
> > Danny
>To disable stack probing, add this switch  -mno-stack-arg-probe.

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