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RE: [PATCH Newlib]Dont inline std when optimizing for size
- From: "bin.cheng" <bin dot cheng at arm dot com>
- To: <pinskia at gmail dot com>
- Cc: <newlib at sourceware dot org>
- Date: Thu, 12 Dec 2013 17:01:15 +0800
- Subject: RE: [PATCH Newlib]Dont inline std when optimizing for size
- Authentication-results: sourceware.org; auth=none
- References: <001501cef70e$59d83ef0$0d88bcd0$ at arm dot com> <E07BE965-6498-4D24-A792-A4E3DB82DB9D at gmail dot com>
> -----Original Message-----
> From: email@example.com [mailto:firstname.lastname@example.org]
> Sent: Thursday, December 12, 2013 4:15 PM
> To: Bin Cheng
> Cc: <email@example.com>
> Subject: Re: [PATCH Newlib]Dont inline std when optimizing for size
> > On Dec 11, 2013, at 11:47 PM, "bin.cheng" <firstname.lastname@example.org> wrote:
> > Hi,
> > This is just a pickup in newlib. It specifies _NOINLINE_STATIC for
> > std since some version (4_8) GCC may inline this function even when we
> > are compiling for Os.
> > This is mainly a gcc problem and I have filed
> > http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59479 for GCC.
> > Meanwhile, I think this is also wanted in Newlib, is it OK?
> Is it a size win on other targets like MIPS or PowerPC?
I just tried it on mips.
The size info for Os is like:
I used the default configuration and command line, but I think same story
stands for other micro controller processors.
> > Thanks,
> > bin
> > 2013-12-12 Bin Cheng <email@example.com>
> > * libc/stdio/findfp.c (std): Don't inline when optimizing
> > for code size.
> > <no-inline-std-20131212.txt>