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Date:      Fri, 13 Jun 2014 10:34:18 -0600
From:      Ian Lepore <ian@FreeBSD.org>
To:        Stepan Dyatkovskiy <stpworld@narod.ru>
Cc:        Tim Kientzle <tim@kientzle.com>, freebsd-arm@FreeBSD.org
Subject:   Re: Compilation for ARM
Message-ID:  <1402677258.20883.235.camel@revolution.hippie.lan>
In-Reply-To: <539B24DB.4090005@narod.ru>
References:  <53935D02.2030604@narod.ru> <6D7645D2-9C08-4B5D-BAA5-5B6EC8F66F0B@kientzle.com> <5393FF7B.4020407@narod.ru> <1402428857.20883.177.camel@revolution.hippie.lan> <5398B1A2.3010007@narod.ru> <1402591005.20883.213.camel@revolution.hippie.lan> <539A2261.4070705@narod.ru> <539A62E2.20003@narod.ru> <1402676121.20883.231.camel@revolution.hippie.lan> <539B24DB.4090005@narod.ru>

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On Fri, 2014-06-13 at 22:20 +0600, Stepan Dyatkovskiy wrote:
> Hi Ian,
> Yup. I have done it with default options. That works fine. Thanks!
> 
> But, currently we need to compare launch times for kernel that was 
> compiled with cortex-a9 options and for kernel that was compiled with 
> cortex-a15 options.
> 
> The reason of doing that is some improvements in clang backend that 
> promises faster execution for (-mcpu=cortex-a15). So we would like to 
> check it on FreeBSD kernel, since we going to use this OS as base for 
> our applications.
> 
> -Stepan

I wonder if it is upset that the nesting is backwards, like

  NP_ENTRY(btext)
  ASENTRY_NP(_start)
  ...
  END(btext)
  END(_start)

Maybe try switching the order of the END macros?  If that doesn't help,
try removing the btext macros completely, I don't think they're needed
by anything these days.

-- Ian





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