Hi! On Fri, 20 Jan 2017 23:03:53 +0300, Andrew Senkevich <andrew.n.senkev...@gmail.com> wrote: > diff --git a/gcc/testsuite/gcc.target/i386/avx512f-ktestw-2.c > b/gcc/testsuite/gcc.target/i386/avx512f-ktestw-2.c > new file mode 100644 > index 0000000..6602c7a > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/avx512f-ktestw-2.c > @@ -0,0 +1,20 @@ > +/* { dg-do run } */ > +/* { dg-options "-O2 -mavx512f" } */ > +/* { dg-require-effective-target avx512f } */ > + > +#include "avx512f-check.h" > + > +void > +avx512f_test () > +{ > + volatile __mmask16 k1, k2; > + unsigned char r1, r2; > + > + __asm__( "kmovw %1, %0" : "=k" (k1) : "r" (0) ); > + __asm__( "kmovw %1, %0" : "=k" (k2) : "r" (-1) ); > + > + r1 = _ktest_mask16_u8(k1, k2, &r2); > + > + if (r1 != 1 || r2 != 0) > + abort (); > +}
I see: {+FAIL: gcc.target/i386/avx512f-ktestw-2.c (test for excess errors)+} {+UNRESOLVED: gcc.target/i386/avx512f-ktestw-2.c compilation failed to produce executable+} ... because of: /tmp/ccjv3mX2.s: Assembler messages: /tmp/ccjv3mX2.s:26: Error: no such instruction: `ktestw %k1,%k0' compiler exited with status 1 Grüße Thomas