On Thursday 23 July 2015 23:03:25 René J. V. Bertin wrote:
> > I will not take a patch that disables CRC32 due to a compiler bug in an
> > unsupported configuration (LTO), especially if it's already fixed in the
> > latest version.
>
> But what about the fact that that those intrinsics are still used even when
> configure is called with -no-sse4.1 and -no-sse4.2?
That shouldn't happen. QT_COMPILER_SUPPORTS_SSE4_2 should not be defined, so
this wouldn't evaluate to true:
#if QT_COMPILER_SUPPORTS_HERE(SSE4_2)
static inline bool hasFastCrc32()
{
return qCpuHasFeature(SSE4_2);
}
[...]
--
Thiago Macieira - thiago.macieira (AT) intel.com
Software Architect - Intel Open Source Technology Center
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