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Re: long long bit-fields

From: Segher Boessenkool <segher at koffie dot nl>
To: Falk Hueffner <falk dot hueffner at student dot uni-tuebingen dot de>
Cc: gcc at gcc dot gnu dot org
Date: Tue, 01 Apr 2003 02:11:21 +0200
Subject: Re: long long bit-fields
References: <87of3taur5.fsf@student.uni-tuebingen.de> <3E87B155.3020408@koffie.nl> <87wuig2gcr.fsf@student.uni-tuebingen.de>

Falk Hueffner wrote:

How about:
    struct { unsigned long long ull31a: 33; } x = { -1 };
    printf("%016llx\n", (x.ull31a << 48) >> 48);
We don't currently promote to signed long long if it fits. Should we?

Yes. But IMHO, of course.

Segher

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