That is not my experience: https://godbolt.org/g/ZZG1mp
Le ven. 9 févr. 2018 à 18:58, Marian Beermann <pub...@enkore.de> a écrit : > SSE et al are mostly helpful if you have code either using these > instructions directly (assembly, intrinsics) or being written in a way > that the optimizer can easily take advantage of (see what Thiago wrote). > > For general application code they generally do very little if anything > by themselves. > > -Marian > > On 02/09/2018 05:15 PM, Eric Lemanisser wrote: > > Qt is built with SSE2 by default since 5.3.0. Is there a reason for not > > enabling by default SSE2 for application compilation ? If not I'll start > > working on a change doing that. > > Also, any plan migrating to SSE3 or SSSE3 ? > > > > Eric Lemanissier >
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