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From: Ivo R. <iv...@iv...> - 2017-05-17 22:40:09
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2017-05-17 23:09 GMT+02:00 Philippe Waroquiers <phi...@sk...>: > On Wed, 2017-05-17 at 23:03 +0200, Philippe Waroquiers wrote: >> Not too clear to me what are these adcx* instructions, and if they >> are supposed to be supported according to the configure test, which >> checks vmovupd and vaddpd instructions. > As I understand, adcx instruction is available if adx extension > is supported. > > On my desktop (where the test compile) adx is in /proc/cpuinfo. > > But on gcc20, there is no such adx flag. > > I imagine we need a specific configure test for BUILD_ADX_TESTS? > > What do you think? Yes, that would be probably the most sane way how to check binutils capabilities in this case. I will try to make this happen on Thursday; if not then I am offline whole weekend with my family. I. |