diff options
Diffstat (limited to 'gcc/testsuite/gcc.target/i386/bitfield2.c')
-rw-r--r-- | gcc/testsuite/gcc.target/i386/bitfield2.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/i386/bitfield2.c b/gcc/testsuite/gcc.target/i386/bitfield2.c new file mode 100644 index 000000000..d665fcb13 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/bitfield2.c @@ -0,0 +1,23 @@ +// Test for bitfield alignment in structs on IA-32 +// { dg-do run } +// { dg-require-effective-target ilp32 } +// { dg-options "-O2" } +// { dg-options "-mno-align-double -mno-ms-bitfields" { target i?86-*-interix* i?86-*-cygwin* i?86-*-mingw* } } + +extern void abort (void); +extern void exit (int); + +struct X { + char a; + long long : 0; + char b; +} x; + +int main () { + if (&x.b - &x.a != 4) + abort (); + if (sizeof (x) != 5) + abort (); + + exit (0); +} |