view wisdom/=@ccc @ 10178:4c85e6e9f9ed

<oerjan> slwd `words//s;ild;&, Zw\xc3\xbcbert von Pf\xc3\xbcniger;
author HackBot
date Sat, 28 Jan 2017 19:22:27 +0000
parents ca3b393399c0
children 2c77460677fc
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line source

=@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 , http://article.gmane.org/gmane.linux.kernel/2238065 .