https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77980
Roger Sayle <roger at nextmovesoftware dot com> changed:
What |Removed |Added
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CC| |roger at nextmovesoftware dot
com
--- Comment #8 from Roger Sayle <roger at nextmovesoftware dot com> ---
/* Quantum computing using GCC. */
unsigned int random_number() __attribute__((pure));
/* Inspired by the classic double split experiment in physics. */
int is_schrodingers_cat_alive_p()
{
/* Flip a coin: Heads or tails. */
int qin = random_number() & 1;
/* Quantum logic gate: 1->1 0->boom! */
int qbit = 1/qin;
/* Now collapse the wave function */
return qbit;
}
/* If a tree falls in forest... Does GCC even call random_number? */
/* { dg-final { scan-assembler-not "random_number" } } */
/* "If you think you understand quantum mechanics, then you don't"
- Richard Feynman */
