Re: linux-next: build failure after merge of the final tree (powerpc tree related)

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On Fri, 2010-12-03 at 16:32 +1100, Stephen Rothwell wrote:
> 
> After merging the  tree, today's linux-next build (powerpc allmodconfig)
> failed like this:
> 
> arch/powerpc/lib/hweight_64.S: Assembler messages:
> arch/powerpc/lib/hweight_64.S:52: Error: Unrecognized opcode: `popcntw'
> arch/powerpc/lib/hweight_64.S:77: Error: Unrecognized opcode: `popcntw'
> arch/powerpc/lib/hweight_64.S:106: Error: Unrecognized opcode: `popcntd'
> 
> This is with:
> 
> powerpc64-linux-gcc (GCC) 4.4.0
> GNU assembler (GNU Binutils) 2.19.1
> 
> Caused by commit 64ff31287693c1f325cb9cb049569c1611438ef1 ("powerpc: Add
> support for popcnt instructions"). 


This toolchain is a bit ancient I suppose... Anton, do you reckon we
should use .long based macros for these for the time being or just
require a newer binutils ?

Cheers,
Ben.


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