search for: nowacki

https://godbolt.org/g/VvrbFZ For the code below generated assembly is the worst possible - test 1, else test 3, else test 2 with expected value of 2 last ... Whats going on? long case_2(); long case_3(); long case_1(); long case_else(); long test(long a) { switch (__builtin_expect(a, 2)) { case 2: return case_2(); case 3: return case_3(); case 1: return case_1();

shell# /sbin/devfs rule -s 2 delset shell# /sbin/devfs rule -s 2 add hide shell# /sbin/devfs rule -s 2 add path random unhide shell# /sbin/devfs rule -s 2 add path urandom unhide shell# /sbin/devfs rule -s 2 add path zero unhide shell# /sbin/devfs rule -s 2 add path pty\* unhide shell# /sbin/devfs rule -s 2 add path pty\* unhide shell# /sbin/devfs rule -s 2 add path tty\* unhide shell#