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log wisdom/=@ccc @ 8515:17fe74d0eff8

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Fri, 17 Jun 2016 09:42:22 +0000 HackBot <b_jonas> slashlearn =@ccc/=@ccc is a great innovation in gcc 6, kept top secret, where inline asm statements can return a value in the carry flag on x86_64. See https://gcc.gnu.org/gcc-6/changes.html which keeps this secret, https://gcc.gnu.org/onlinedocs/gcc-6.1.0/gcc/Extended-Asm.html which documents it, and http://article.gmane.org/gmane.linux.kernel/2238065 which uses it.
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