2012/2/23 Christophe Gisquet <[email protected]>: >> I missed that bit. If you add -funsafe-math-optimizations to CFLAGS, >> does gcc unroll this automatically? > > No, neither for a 64 nor a 32 bits target. It also does a poor job of > interleaving instructions even in the unrolled case, but that's > another matter. > > Note: I'm evaluating with a mingw gcc 4.6.1, which may be poorer at this job.
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