On 05/26/2011 02:37 PM, Aldy Hernandez wrote:
The narrowest integer mode containing the bit field is still 32, so we
access the bitfield with an SI instruction as expected.

OK, then:

struct A
{
  int i: 4;
  int j: 4;
  int k: 8;
  int l: 8;
  int m: 8;
};

now the narrowest mode containing 'j' is QI/8, but it would still be safe to use SI.

Jason

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