Isn't this that? https://msdn.microsoft.com/en-us/library/jj620901.aspx
On Thu, Sep 17, 2015 at 1:56 PM, Kai Tietz <ktiet...@googlemail.com> wrote: > It doesn't. At least not as compiler-builtin. > > 2015-09-17 19:47 GMT+02:00 NightStrike <nightstr...@gmail.com>: >> How does visual studio support AVX? >> >> On Sep 12, 2015 6:40 AM, "Kai Tietz" <ktiet...@googlemail.com> wrote: >>> >>> Hello, >>> >>> first thanks for interesting in this subject, but sadly I have >>> disappoint you about it, I fear. The cause for the inability to align >>> to 32-byte alignment is neither to seek in gcc, nor in mingw-w64 >>> itself. It is a consequence of the SEH-information required by the >>> x64 ABI (see here as reference either msdn, or ibm's IA64 >>> exception-specification). Sadly there is no way to express by it any >>> kind of stack-alignment. So it is impossible to write code, which >>> brings AVX to proper stack-location within x64-ABI. The ABI itself >>> makes sure that on function-entry stack has a 16-byte alignment, so >>> 64-bit sse-registers can be stored aligned. Another weakness in this >>> prologue-description used by x64 is that register with more then >>> 64-bit width can't be expressed. This is a reason why the upper 8 >>> bytes of a ymm-register are treated as volatile. >>> >>> Only way to work-a-round that is to do manual alignment of function, >>> and making sure that you won't try to unwind over such a function. >>> The mentioned prologue/epilogue script on stack-overflow article seems >>> to do exactly this. >>> >>> Regards, >>> Kai Tietz >>> >>> 2015-09-11 23:53 GMT+02:00 Gabe Al-Ghalith <algh0...@umn.edu>: >>> > Please see: >>> > >>> > http://stackoverflow.com/questions/5983389/how-to-align-stack-at-32-byte-boundary-in-gcc >>> > >>> > and >>> > >>> > http://stackoverflow.com/questions/32213338/gcc-vector-extensions-avx2-builtin-shuffle-crashes-when-m64-is-used >>> > >>> > Basically, AVX (since 2011) and now Skylake Xeon (with AVX-512) will be >>> > completely unusable on Windows. Please fix this! >>> > >>> > Thanks, >>> > Gabe >>> > >>> > >>> > ------------------------------------------------------------------------------ >>> > >>> > _______________________________________________ >>> > Mingw-w64-public mailing list >>> > Mingw-w64-public@lists.sourceforge.net >>> > https://lists.sourceforge.net/lists/listinfo/mingw-w64-public >>> > >>> >>> >>> ------------------------------------------------------------------------------ >>> _______________________________________________ >>> Mingw-w64-public mailing list >>> Mingw-w64-public@lists.sourceforge.net >>> https://lists.sourceforge.net/lists/listinfo/mingw-w64-public >> >> >> ------------------------------------------------------------------------------ >> Monitor Your Dynamic Infrastructure at Any Scale With Datadog! >> Get real-time metrics from all of your servers, apps and tools >> in one place. >> SourceForge users - Click here to start your Free Trial of Datadog now! >> http://pubads.g.doubleclick.net/gampad/clk?id=241902991&iu=/4140 >> _______________________________________________ >> Mingw-w64-public mailing list >> Mingw-w64-public@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/mingw-w64-public >> > > ------------------------------------------------------------------------------ > Monitor Your Dynamic Infrastructure at Any Scale With Datadog! > Get real-time metrics from all of your servers, apps and tools > in one place. > SourceForge users - Click here to start your Free Trial of Datadog now! > http://pubads.g.doubleclick.net/gampad/clk?id=241902991&iu=/4140 > _______________________________________________ > Mingw-w64-public mailing list > Mingw-w64-public@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/mingw-w64-public ------------------------------------------------------------------------------ Monitor Your Dynamic Infrastructure at Any Scale With Datadog! Get real-time metrics from all of your servers, apps and tools in one place. SourceForge users - Click here to start your Free Trial of Datadog now! http://pubads.g.doubleclick.net/gampad/clk?id=241902991&iu=/4140 _______________________________________________ Mingw-w64-public mailing list Mingw-w64-public@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/mingw-w64-public
