// test.c
#include <stdio.h>
int main() {
unsigned long long x = 3264;
printf("%llu\n", 5LLu >> (x + 0)); // 5LLU >> (x + 0) == 5 ???
printf("%llu\n", 5LLu << (x + 0)); // 5LLU << (x + 0) == 5 ???
}
// $ echo $MACHTYPE; gcc --version; gcc test.c; ./a.out
// i486-pc-linux-gnu
// gcc (Debian 4.3.2-1.1) 4.3.2
// Copyright (C) 2008 Free Software Foundation, Inc.
// This is free software; see the source for copying conditions. There is NO
// warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
// 5
// 5
--
Summary: incorrect unsigned long long left/right shift
Product: gcc
Version: 4.3.2
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: kaizhu256 at gmail dot com
GCC build triplet: i486-pc-linux-gnu
GCC host triplet: i486-pc-linux-gnu
GCC target triplet: i486-pc-linux-gnu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41007
