Re: [PATCH][combine][RFC][2/2] PR rtl-optimization/68796: Perfer zero_extract comparison against zero rather than unsupported shorter modes

Thu, 17 Dec 2015 10:06:28 -0800 

On 12/17/2015 06:44 PM, Kyrill Tkachov wrote:

Perhaps I had underestimated how involved this issue is :)
So if I want to improve the aarch64 situation for GCC 6,
would the recommended course of action be to just define the
QI and HImode compare against zero patterns?


For GCC 6 I think this is the only approach.


Bernd























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