If you want to express x*2^n for possibly-neg x in C, write x*(1<<n) rather than demanding nonstd compiler ext. http://lists.nongnu.org/archive/html/qemu-devel/2015-11/msg03800.html …
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Replying to @RichFelker
@RichFelker It's defined for a different range of n. Are you sure qemu uses shifts only for non-overflowing x*2^n and not for byte-swaping?1 reply 0 retweets 0 likes -
Replying to @RichFelker
@RichFelker Given their further discussion of -fwrapv, I'm not sure what they really mean.1 reply 0 retweets 0 likes
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