Re: inlining
Re: inlining
- Subject: Re: inlining
- From: David Rowland <email@hidden>
- Date: Mon, 17 Dec 2007 10:34:09 -0800
On Dec 17, 2007, at 8:14 AM, Sanjay Patel wrote:
--- Steve Checkoway <email@hidden> wrote:
On Dec 16, 2007, at 12:39 PM, Greg Guerin wrote:
Steve Checkoway wrote:
$ gcc -Wall -O3 inline.c -S
Which suggests it's the OP's optimization-level setting that leads
to the
lack of inlining.
That or since the function isn't declared as static, it is being
exported and thus since there is an out of line copy, it looks like
it
hasn't been inlined when in fact, it has. I'm not sure if in "produce
out of line code with jump and return instructions" the jump and
return instructions refer to the out of line copy or the calling
function.
The OP didn't say if he was expecting inlining across files.
Mainstream GCC
doesn't have this ability afaik.
Thanks to all. I just wanted to inline in one module. The key was
setting the optimization level of the target to any value above
"none". The next question is how far the compiler will go (how many
levels of function calls) to do the inlining. I assume the limit is
not small.
I notice that the optimization level can be set at the target and at
the project level. But the target always overrides the project, so why
even have it as a project option?
David
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| | >Re: inlining (From: Sanjay Patel <email@hidden>) |