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Re: [PATCH, testsuite, i386] BMI2 support for GCC

On 08/20/2011 02:16 PM, Uros Bizjak wrote:
> - Yb register constraint is added to conditionally enable generation
> of BMI alternatives in generic shift and rotate patterns. The BMI
> variant is generated only if RA chooses it as the most profitable
> alternative.

We really should use the (relatively new) enabled attribute instead
of adding more and more conditional register constraints.


r~
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