Date: Fri, 28 Nov 2014 10:54:25 -0800 From: Adrian Chadd <adrian@freebsd.org> To: Steve Kargl <sgk@troutmask.apl.washington.edu> Cc: freebsd-current <freebsd-current@freebsd.org> Subject: Re: Possible bug in softfloat Message-ID: <CAJ-Vmok8xHjK0Vjh5JRKbvSUv=3Rs=jhgCtboYbXPVc_yHii1A@mail.gmail.com> In-Reply-To: <20141128183416.GA71749@troutmask.apl.washington.edu> References: <20141128183416.GA71749@troutmask.apl.washington.edu>
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On 28 November 2014 at 10:34, Steve Kargl <sgk@troutmask.apl.washington.edu> wrote: > In a thread on comp.lang.c, it was pointed out that softfloat > has a bug and in checking src/lib/libc/softfloat I confimed > the issue is present in FreeBSD. What I hae not confirmed > is whether or not it is possible to hit this bug. In fact, > it may only hit arm and mips. Anyway, here's the patch So we should just commit this? -a > > > Index: softfloat/bits64/softfloat-macros > =================================================================== > --- softfloat/bits64/softfloat-macros (revision 275211) > +++ softfloat/bits64/softfloat-macros (working copy) > @@ -157,7 +157,7 @@ > z0 = a0>>count; > } > else { > - z1 = ( count < 64 ) ? ( a0>>( count & 63 ) ) : 0; > + z1 = ( count < 128 ) ? ( a0>>( count & 63 ) ) : 0; > z0 = 0; > } > *z1Ptr = z1; > > -- > Steve > _______________________________________________ > freebsd-current@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org"
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