diff options
author | David Monniaux <David.Monniaux@univ-grenoble-alpes.fr> | 2021-09-24 14:51:15 +0200 |
---|---|---|
committer | David Monniaux <David.Monniaux@univ-grenoble-alpes.fr> | 2021-09-24 14:51:15 +0200 |
commit | e49318b3606d7568d8592887e4278efa696afd10 (patch) | |
tree | 99a9a1b883e1db3a4f56e1b5046453817827ceef /test/regression/bitfields10.c | |
parent | 2789e6179af061381f5b18a268adb562b28bcb8e (diff) | |
parent | c34d25e011402aedad62b3fe9b7b04989df4522e (diff) | |
download | compcert-kvx-e49318b3606d7568d8592887e4278efa696afd10.tar.gz compcert-kvx-e49318b3606d7568d8592887e4278efa696afd10.zip |
Merge branch 'master' of https://github.com/AbsInt/CompCert into towards_3.10
Diffstat (limited to 'test/regression/bitfields10.c')
-rw-r--r-- | test/regression/bitfields10.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/test/regression/bitfields10.c b/test/regression/bitfields10.c new file mode 100644 index 00000000..0f022664 --- /dev/null +++ b/test/regression/bitfields10.c @@ -0,0 +1,66 @@ +#include <stdio.h> + +/* Dynamic initialization of bit-fields */ +/* Known not to work with the reference interpreter */ + +struct s { + signed char a: 6; + unsigned int b: 2; +}; + +struct t { + unsigned int c: 16; + _Bool d: 1; + short e: 8; + int : 10; +}; + +union u { + int u: 4; + unsigned int v: 3; +}; + +void print_s(char * msg, struct s p) +{ + printf("%s = { a = %d, b = %d }\n", msg, p.a, p.b); +} + +void print_t(char * msg, struct t p) +{ + printf("%s = { c = %d, d = %d, e = %d }\n", msg, p.c, p.d, p.e); +} + +void print_u_u(char * msg, union u p) +{ + printf("%s = { u = %d }\n", msg, p.u); +} + +void print_u_v(char * msg, union u p) +{ + printf("%s = { v = %u }\n", msg, p.v); +} + +/* Local, non-static initialization */ +void f(int x, int y, int z) +{ + struct s loc_s = { x, y }; + struct t loc_t = { x, z, y }; + union u loc_u_u = { .u = x }; + union u loc_u_v = { .v = z }; + print_s("loc_s", loc_s); + print_t("loc_t", loc_t); + print_u_u("loc_u_u", loc_u_u); + print_u_v("loc_u_v", loc_u_v); + print_s("compound_s", (struct s) { y, x }); + print_t("compound_t", (struct t) { y, ~z, -x }); + print_u_u("compound_u", (union u) { y }); +} + +int main() +{ + f(11, 2, 3); + f(7, 50, 2); + return 0; +} + + |