On Thu, Jan 26, 2017 at 11:51 AM, Jakub Jelinek <ja...@redhat.com> wrote:
> On Thu, Jan 26, 2017 at 02:44:56AM -0800, Kirill Yukhin wrote:
>> Hello Thomas,
>> On 26 Jan 10:14, Thomas Schwinge wrote:
>> > 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
>> Which version of gas do you use?
>> It should be OK since v2.25.
>
> It is weird, because the test already has:
> /* { dg-require-effective-target avx512f } */
> Perhaps if there are gas versions with partial avx512f support, we need
> to improve the avx512f effective target test.
This is actually AVX512DQ instruction, please see [1], 3-509.
[1]
https://software.intel.com/sites/default/files/managed/ad/01/253666-sdm-vol-2a.pdf
Uros.
