diff options
Diffstat (limited to 'gcc/testsuite/c-c++-common/cxxbitfields-4.c')
| -rw-r--r-- | gcc/testsuite/c-c++-common/cxxbitfields-4.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/gcc/testsuite/c-c++-common/cxxbitfields-4.c b/gcc/testsuite/c-c++-common/cxxbitfields-4.c new file mode 100644 index 00000000000..a2d55f4a8c4 --- /dev/null +++ b/gcc/testsuite/c-c++-common/cxxbitfields-4.c @@ -0,0 +1,18 @@ +/* { dg-do compile { target i?86-*-* x86_64-*-* } } */ +/* { dg-options "-O2 --param allow-store-data-races=0" } */ + +struct bits +{ + char a; + int b:7; + int c:9; + unsigned char d; +} x; + +/* Store into <c> should not clobber <d>. */ +void update_c(struct bits *p, int val) +{ + p -> c = val; +} + +/* { dg-final { scan-assembler-not "movl" } } */ |