view wisdom/=@ccc @ 12326:aeeba6f6a98a draft

<b_jonas> learn ayacc is ais523\'s yacc parser generator implementation, get it from http://nethack4.org/pastebin/ayacc-2020-04.tar.gz or from (darcs clone http://nethack4.org/projects/ayacc) .
author HackEso <hackeso@esolangs.org>
date Wed, 08 Apr 2020 20:25:30 +0000
parents 2c77460677fc
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=@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 , https://marc.info/?l=linux-kernel&m=143786977730804 .