Re: [PATCH] x86: relax mask register constraints

2018-12-21 Thread Uros Bizjak
On Fri, Dec 21, 2018 at 9:43 AM Jan Beulich wrote: > > While their use for masking is indeed restricted to %k1...%k7, use as > "normal" insn operands also permits %k0. Remove the unnecessary > limitations, requiring quite a few testsuite adjustments. > > Oddly enough some AVX512{F,DQ} test cases a

[PATCH] x86: relax mask register constraints

2018-12-21 Thread Jan Beulich
While their use for masking is indeed restricted to %k1...%k7, use as "normal" insn operands also permits %k0. Remove the unnecessary limitations, requiring quite a few testsuite adjustments. Oddly enough some AVX512{F,DQ} test cases already check for %k[0-7], while others did permit {%k0} - where