view wisdom/=@ccc @ 10335:b427a34b42ae

<b_jonas> learn d00bbe65d80f6d53d5c15da7c6b4f0a655c5a86a is the first checksum for which a collision in SHA-1 was found.
author HackBot
date Thu, 23 Feb 2017 17:20:59 +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 .