diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/pr77673.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/pr77673.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pr77673.c b/gcc/testsuite/gcc.dg/pr77673.c new file mode 100644 index 00000000000..e03bcb9284d --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr77673.c @@ -0,0 +1,19 @@ +/* { dg-do compile { target fpic } } */ +/* { dg-require-effective-target bswap32 } */ +/* { dg-options "-O2 -fPIC -fdump-tree-bswap" } */ +/* { dg-additional-options "-march=z900" { target s390*-*-* } } */ + +void mach_parse_compressed(unsigned char* ptr, unsigned long int* val) +{ + if (ptr[0] < 0xC0U) { + *val = ptr[0] + ptr[1]; + return; + } + + *val = ((unsigned long int)(ptr[0]) << 24) + | ((unsigned long int)(ptr[1]) << 16) + | ((unsigned long int)(ptr[2]) << 8) + | ptr[3]; +} + +/* { dg-final { scan-tree-dump-not "load_dst_\\d+ =.* if \\(" "bswap" } } */ |