Your patch works. Compiled with GCC-5.1 (macports version, in turn built by Xcode-6.4 on Yosemite), "cryptest.exe v” now succeeds.
> On Jul 12, 2015, at 22:26 , Jeffrey Walton <[email protected]> wrote: > > On Monday, July 6, 2015 at 9:35:06 AM UTC-4, Mouse wrote: > FWIW, I've had problems with GCC above 4.8.* on Mac OS X - everything builds > fine, but the cryptest.exe dies with SEGV. Same with 4.9.*, same with 5.1. So > I'm building with clang, which doesn't seem to exhibit such problems. > > Here's the proposed fix (for now). I'm investigating it further. > > Any suggestions (besides wrapping it in a guard for GCC 4.8 and 4.9)? > > $ cat misc.diff > diff --git a/misc.cpp b/misc.cpp > index 3c2c2a5..a32ab41 100644 > --- a/misc.cpp > +++ b/misc.cpp > @@ -14,6 +14,11 @@ > > NAMESPACE_BEGIN(CryptoPP) > > +// GCC 4.9 generates code using vmovdqa instructions under -O3, which cause > a segfault due to 128-bit word alignment requirements. > +// Refer http://stackoverflow.com/q/31373765 for more details. > +#pragma GCC push_options > +#pragma GCC optimize ("-O2") > + > void xorbuf(byte *buf, const byte *mask, size_t count) > { > size_t i; > @@ -44,6 +49,8 @@ void xorbuf(byte *buf, const byte *mask, size_t count) > buf[i] ^= mask[i]; > } > > +#pragma GCC pop_options > + > void xorbuf(byte *output, const byte *input, const byte *mask, size_t count) > { > size_t i; > > > -- > -- > You received this message because you are subscribed to the "Crypto++ Users" > Google Group. > To unsubscribe, send an email to [email protected]. > More information about Crypto++ and this group is available at > http://www.cryptopp.com <http://www.cryptopp.com/>. > --- > You received this message because you are subscribed to the Google Groups > "Crypto++ Users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected] > <mailto:[email protected]>. > For more options, visit https://groups.google.com/d/optout > <https://groups.google.com/d/optout>. -- -- You received this message because you are subscribed to the "Crypto++ Users" Google Group. To unsubscribe, send an email to [email protected]. More information about Crypto++ and this group is available at http://www.cryptopp.com. --- You received this message because you are subscribed to the Google Groups "Crypto++ Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
