diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/pr121322.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/pr121322.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pr121322.c b/gcc/testsuite/gcc.dg/pr121322.c new file mode 100644 index 0000000..2fad5b5 --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr121322.c @@ -0,0 +1,14 @@ +/* PR middle-end/121322 */ +/* { dg-do compile } */ +/* { dg-options "-O2" } */ + +unsigned long long +foo (unsigned long long *p) +{ + unsigned long long a = *p; + unsigned long long b = __builtin_bswap64 (a); + return ((b << 32) + | ((b >> 8) & 0xff000000ULL) + | ((b >> 24) & 0xff0000ULL) + | ((b >> 40) & 0xff00ULL)); +} |