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Re: [Patch] new (almost rewritten) version of the ARM assembly ieee754lib
- From: Mark Mitchell <mark at codesourcery dot com>
- To: Nicolas Pitre <nico at cam dot org>
- Cc: gcc-patches at gcc dot gnu dot org, Richard Earnshaw <rearnsha at arm dot com>
- Date: Tue, 12 Oct 2004 19:51:14 -0700
- Subject: Re: [Patch] new (almost rewritten) version of the ARM assembly ieee754lib
- Organization: CodeSourcery, LLC
- References: <Pine.LNX.firstname.lastname@example.org>
Nicolas Pitre wrote:
After many months of part time hacking on the ARM assembly for floating
point operations, I'm about to lose interest so it's time I finally
submit the improvements I've done so far and move on to another
distraction.Cool! What testing have you done? Have you run any IEEE conformance
tests? Or, at least, the GCC DejaGNU tests?
Nevertheless, the improvements in performance should be significant.
See for example this non-exhaustive instruction count comparison between
the old (current) and the new (with my patch) version of the lib which
should give a rough idea of the speed increase: