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Postings from November 2008
On Sun, Nov 16, 2008 at 08:17:17PM +0200, Niko Tyni wrote: > On Sun, Nov 16, 2008 at 05:15:36PM +0000, Nicholas Clark wrote: > > On Sun, Nov 16, 2008 at 04:16:14AM -0800, Niko Tyni wrote: > > > > > As seen in <http://bugs.debian.org/505415>, calling sv_chop() or otherwise > > > upgrading an SV can result in an unaligned 64-bit access on the sparc > > > architecture. > > > What is __alignof__(XPVIV) and sizeof(XPVIV) on the same system? > > 8 and 24. whereas __alignof__(xpv_allocated) and sizeof(xpv_allocated) are 8 and 4, and __alignof__(xpviv_allocated) and sizeof(xpviv_allocated) are 12 and 4? If so, that would explain a lot, and it's my fault. > > I see that -fno-strict-aliasing is on. That might prove relevant in my reply > > to your reply. > > I didn't explicitly ask for it, so it would seem to be on by default. It is Perl's default for gcc. I think it may not be relevant now. I have an idea what is up, and some idea of how to fix it. Nicholas ClarkThread Previous | Thread Next