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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