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RE: [PATCH 2/3,ARM,libgcc]Code size optimization for the fmul/fdiv and dmul/ddiv function in libgcc
- From: "Tony Wang" <tony dot wang at arm dot com>
- To: <gcc-patches at gcc dot gnu dot org>
- Cc: "Richard Earnshaw" <Richard dot Earnshaw at arm dot com>, "Ramana Radhakrishnan" <Ramana dot Radhakrishnan at arm dot com>
- Date: Tue, 16 Sep 2014 11:00:35 +0800
- Subject: RE: [PATCH 2/3,ARM,libgcc]Code size optimization for the fmul/fdiv and dmul/ddiv function in libgcc
- Authentication-results: sourceware.org; auth=none
- References:
Ping?
> -----Original Message-----
> From: Tony Wang [mailto:tony.wang@arm.com]
> Sent: Thursday, September 04, 2014 10:16 AM
> To: 'gcc-patches@gcc.gnu.org'
> Cc: Richard Earnshaw; Ramana Radhakrishnan
> Subject: RE: [PATCH 2/3,ARM,libgcc]Code size optimization for the fmul/fdiv and dmul/ddiv function in libgcc
>
> Ping 2?
>
> > -----Original Message-----
> > From: Tony Wang [mailto:tony.wang@arm.com]
> > Sent: Thursday, August 28, 2014 2:02 PM
> > To: 'gcc-patches@gcc.gnu.org'
> > Cc: Richard Earnshaw; Ramana Radhakrishnan
> > Subject: RE: [PATCH 2/3,ARM,libgcc]Code size optimization for the fmul/fdiv and dmul/ddiv function in
libgcc
> >
> > Ping?
> >
> > > -----Original Message-----
> > > From: Tony Wang [mailto:tony.wang@arm.com]
> > > Sent: Thursday, August 21, 2014 2:15 PM
> > > To: 'gcc-patches@gcc.gnu.org'
> > > Subject: [PATCH 2/3,ARM,libgcc]Code size optimization for the fmul/fdiv and dmul/ddiv function in libgcc
> > >
> > > Step 2: Mark all the symbols around the fragment boundaries as function symbols, so as to generate
veneer
> > > when the two section is too far away from each other. Also, I have both manually and using some test
cases
> to
> > > verify that IP and PSR are not alive at such point.
> > >
> > > gcc/libgcc/ChangeLog:
> > > 2014-8-21 Tony Wang <tony.wang@arm.com>
> > >
> > > * config/arm/ieee754-sf.S: Expose symbols around fragment boundaries as function symbols.
> > > * config/arm/ieee754-df.S: Same with above
> > >
> > > BR,
> > > Tony