/* APPLE LOCAL file */ #include #include /* This tests layout when the pragma is off, as a sanity check. */ /* { dg-do run { target powerpc*-*-darwin* } } */ #pragma reverse_bitfields off typedef struct { union { unsigned int i1; struct { unsigned int b1: 1; unsigned int b2: 2; unsigned int b3: 4; unsigned int b4: 8; unsigned int b5: 16; } bits; } u1; union { struct { unsigned int i2; unsigned int i3; } ints; struct { unsigned int b1: 16; unsigned int b2: 8; unsigned int b3: 4; unsigned int b4: 2; unsigned int b5: 1; unsigned int b6: 2; unsigned int b7: 4; unsigned int b8: 8; unsigned int b9: 16; } bits; } u2; } Bitfields; int main() { Bitfields bitfields; memset(&bitfields, 0, sizeof(bitfields)); bitfields.u1.bits.b1 = 1; bitfields.u1.bits.b2 = 1; bitfields.u1.bits.b3 = 1; bitfields.u1.bits.b4 = 1; bitfields.u1.bits.b5 = 1; bitfields.u2.bits.b1 = 1; bitfields.u2.bits.b2 = 1; bitfields.u2.bits.b3 = 1; bitfields.u2.bits.b4 = 1; bitfields.u2.bits.b5 = 1; bitfields.u2.bits.b6 = 1; bitfields.u2.bits.b7 = 1; bitfields.u2.bits.b8 = 1; bitfields.u2.bits.b9 = 1; if (bitfields.u1.i1 != 0xa2020002 || bitfields.u2.ints.i2 != 0x00010116 || bitfields.u2.ints.i3 != 0x44040004) return 42; return 0; }