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RE: [PATCH 2/3, ARM, libgcc, ping6] 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: "Richard Earnshaw" <Richard dot Earnshaw at arm dot com>, <gcc-patches at gcc dot gnu dot org>
- Cc: "Ramana Radhakrishnan" <Ramana dot Radhakrishnan at arm dot com>
- Date: Tue, 27 Jan 2015 13:22:20 +0800
- Subject: RE: [PATCH 2/3, ARM, libgcc, ping6] Code size optimization for the fmul/fdiv and dmul/ddiv function in libgcc
- Authentication-results: sourceware.org; auth=none
- References: <000101d02ff1$1c67c190$553744b0$ at arm dot com> <54B681DC dot 3070004 at arm dot com>
> From: Richard Earnshaw
> Sent: Wednesday, January 14, 2015 10:49 PM
>
> Sorry, not ok. These symbols pollute the global namespace, yet do not
> use reserved names.
Are you referring to the Lml_* symbols? They appear with local binding in
my environment which is expected since the single float and double float
use the same symbol names.
>
> Secondly, in a shared library environment you need to ensure that these
> names remain private to the instance linked into the library, so that
> you don't end up going through the PLT for each branch between blocks.
Right. I'll post something for this shortly.
Best regards,
Thomas