Can there be something using pragma option to disable neon for each function?
发自我的 iPad 在 2011-5-7，上午1:29，David Gilbert <david.gilb...@linaro.org> 写道： > == Bug fighting == > * Tracked bug 774175 (apt segfault on armel on oneiric) down to the > cortex-a8 branch erratum bug that we found as part of the bug jam a > few weeks > ago (affecting the more obscure vtk package) - Richard's existing > binutils fix should fix this. > > == String routines == > * Struggled to get 'perf' to get sane results from profiling spec; > some of the samples are obviously being associated with the wrong > process somewhere > along the process (e.g. it's showing significant samples in the sh > process but in a library that's used by the actual benchmark. > > * latrace on spec still running on ursa2 > > * Wrote a non-neon memcpy; as expected it's aligned performance is > very similar to libc/kernel - it's a bit faster in some places but > slower > in some odd places (e.g. n*32+1 bytes is a lot slower for some > reason). It's also really bad on mis-aligned cases, I tried to take > advantage > of the v7's ability to do misaligned loads - but they really are quite slow. > > Dave > > _______________________________________________ > linaro-toolchain mailing list > linaro-toolchain@lists.linaro.org > http://lists.linaro.org/mailman/listinfo/linaro-toolchain _______________________________________________ linaro-toolchain mailing list linaro-toolchain@lists.linaro.org http://lists.linaro.org/mailman/listinfo/linaro-toolchain
