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X-Authentication-Warning: slinky.cs.nyu.edu: pechtcha owned process doing -bs
Date: Wed, 8 Oct 2003 12:39:29 -0400 (EDT)
From: Igor Pechtchanski <pechtcha AT cs DOT nyu DOT edu>
Reply-To: cygwin AT cygwin DOT com
To: Alex Vinokur <alexvn AT connect DOT to>
cc: cygwin AT cygwin DOT com
Subject: Re: Is a function actually inlined?
In-Reply-To: <bm0ks2$j8i$2@sea.gmane.org>
Message-ID: <Pine.GSO.4.56.0310081236250.15176@slinky.cs.nyu.edu>
References: <bm0ks2$j8i$2 AT sea DOT gmane DOT org>
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On Wed, 8 Oct 2003, Alex Vinokur wrote:

> "Corinna Vinschen" wrote in message news:20031008100004 DOT GC2070 AT cygbert DOT vinschen DOT de...
> > On Wed, Oct 08, 2003 at 11:19:27AM +0200, Alex Vinokur wrote:
> > > How can one know if a function requested to be inlined is actually
> > > inlined?
> >
> > A look into the assembler output generated by gcc/g++ will show you.
>
> How can one conclude if a function is actually inlined on the basis
> working with the nm and objdump utilities? For instance, are 'the foo2()
> and foo3() function from my original posting' actually inlined?

The general rule of thumb is: if there's a call to a function, it's not
inlined.

> $ grep foo t.s
>
> .globl __ZN3Foo4foo1Ev
>  .def __ZN3Foo4foo1Ev; .scl 2; .type 32; .endef
> __ZN3Foo4foo1Ev:
>  call __ZN3Foo4foo1Ev
>  call __ZN3Foo4foo2Ev
>  call __ZN3Foo4foo3Ev
   ^^^^^^^^^^^^^^^^^^^^
FWIW, it doesn't look like they are inlined.
	Igor
-- 
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