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Re: [patch 1/4] change specific int128 -> generic intN
- From: DJ Delorie <dj at redhat dot com>
- To: Eric Botcazou <ebotcazou at adacore dot com>
- Cc: gcc-patches at gcc dot gnu dot org
- Date: Mon, 7 Jul 2014 02:01:44 -0400
- Subject: Re: [patch 1/4] change specific int128 -> generic intN
- Authentication-results: sourceware.org; auth=none
- References: <201404142303 dot s3EN3ONP009938 at greed dot delorie dot com> <1920647 dot vUrbzv2NSg at polaris> <201407031612 dot s63GC2CM030078 at greed dot delorie dot com> <3286026 dot Mx0bBiaKZx at polaris>
> I'm very skeptical... In any case, having a type whose TYPE_SIZE is smaller
> than the size of its MODE is a lie which will bite you back at some point.
Except gcc now knows the size of partial int modes. In this case,
PSImode is 20 bits and TYPE_SIZE is 20 bits, so they match.
The code was biting me when TYPE_SIZE was bigger than PSImode, and the
code kept choosing SImode instead.