Re: [PATCH 02/17] x86, lto: Disable fancy hweight optimizations forLTO v2

[H. Peter Anvin]

On 02/08/2014 12:01 AM, Andi Kleen wrote:
> The fancy x86 hweight uses different compiler options for the
> hweight file. This does not work with LTO. Just disable the optimization
> with LTO

No, I'm going to NAK this.  This means not using the POPCNT instruction
if LTO is enabled, and that really isn't an acceptable option.

	-hpa


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