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Re: sparc64-elf-as output
- From: Alan Modra <amodra at bigpond dot net dot au>
- To: Alex Mach <alexvm12e at mail dot ru>
- Cc: binutils at sourceware dot org
- Date: Thu, 24 Sep 2009 19:49:55 +0930
- Subject: Re: sparc64-elf-as output
- References: <E1MqlC0-0000qY-00.alexvm12e-mail-ru@f155.mail.ru>
On Thu, Sep 24, 2009 at 02:04:52PM +0400, Alex Mach wrote:
> So, my question is why does as produce second BPA instruction?
It is for the ".align 32". In a code section, gas assumes that bytes
emitted for alignment may be executed, so nop instructions are
required. For some processors, gas optimises the nops.
--
Alan Modra
Australia Development Lab, IBM