Re: [PATCH, i386, AVX-512] Update extract_even_odd w/ AVX-512BW insns.

[Uros Bizjak <ubizjak at gmail dot com>]

On Sat, Oct 3, 2015 at 12:49 PM, Dominique d'HumiÃres
<dominiq@lps.ens.fr> wrote:
> Kirill,
>
> The new tests fail on x86_64-apple-darwin14:
>
> FAIL: gcc.target/i386/vect-pack-trunc-1.c (test for excess errors)
> UNRESOLVED: gcc.target/i386/vect-pack-trunc-1.c compilation failed to produce executable
> FAIL: gcc.target/i386/vect-pack-trunc-2.c (test for excess errors)
> UNRESOLVED: gcc.target/i386/vect-pack-trunc-2.c compilation failed to produce executable
> FAIL: gcc.target/i386/vect-perm-even-1.c (test for excess errors)
> UNRESOLVED: gcc.target/i386/vect-perm-even-1.c compilation failed to produce executable
> FAIL: gcc.target/i386/vect-perm-odd-1.c (test for excess errors)
> UNRESOLVED: gcc.target/i386/vect-perm-odd-1.c compilation failed to produce executable
> FAIL: gcc.target/i386/vect-unpack-1.c (test for excess errors)
> UNRESOLVED: gcc.target/i386/vect-unpack-1.c compilation failed to produce executable
> FAIL: gcc.target/i386/vect-unpack-2.c (test for excess errors)
> UNRESOLVED: gcc.target/i386/vect-unpack-2.c compilation failed to produce executable
>
> I think the tests should be protected with
>
> /* { dg-require-effective-target avx512bw } */

You are correct.  Fixed by attached patch.

2015-10-04  Uros Bizjak  <ubizjak@gmail.com>

    * gcc.target/i386/vect-pack-trunc-1.c: Require avx512bw
    effective target.
    * gcc.target/i386/vect-pack-trunc-2.c: Ditto.
    * gcc.target/i386/vect-perm-even-1.c: Ditto.
    * gcc.target/i386/vect-perm-odd-1.c: Ditto.
    * gcc.target/i386/vect-unpack-1.c: Ditto.
    * gcc.target/i386/vect-unpack-2.c: Ditto.

Tested on x86_64-linux-gnu {,-m32}  and committed to mainline SVN.

> Note also that the options '-fno-diagnostics-show-caret -fdiagnostics-color=never -O2â are not obeyed:
>
> ^[[1mvect-pack-trunc-1.s:67:2: ^[[0;1;31merror: ^[[0m^[[1minstruction requires: AVX-512 ISA
> ^[[0m        vmovdqa64       LC0-L1$pb(%ebx), %zmm0
> ^[[0;1;32m        ^
> ^[[0m^[[1mvect-pack-trunc-1.s:68:2: ^[[0;1;31merror: ^[[0m^[[1minstruction requires: AVX-512 ISA
> ^[[0m        vmovdqa64       LC1-L1$pb(%ebx), %zmm4
> ^[[0;1;32m        ^

This error is not from the compiler.

Uros.

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