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RE: [PATCH 2/3, ARM, libgcc, ping5] Code size optimization for the fmul/fdiv and dmul/ddiv function in libgcc
- From: "Thomas Preud'homme" <thomas dot preudhomme 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: Thu, 13 Nov 2014 16:04:30 -0000
- Subject: RE: [PATCH 2/3, ARM, libgcc, ping5] Code size optimization for the fmul/fdiv and dmul/ddiv function in libgcc
- Authentication-results: sourceware.org; auth=none
[Taking over Tony's patch]
Ping?
Best regards,
Thomas
> -----Original Message-----
> From: gcc-patches-owner@gcc.gnu.org [mailto:gcc-patches-
> owner@gcc.gnu.org] On Behalf Of Tony Wang
> Sent: Thursday, August 21, 2014 7:15 AM
> 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