Re: [PATCH] pr82625.C: Compile with -march=x86-64

[Hongtao Liu]

On Tue, Aug 18, 2026 at 9:20 AM H.J. Lu <hjl.to...@gmail.com> wrote:
>
> pr82625.C has
>
> __attribute__ ((target ("default")))
> unsigned bar() {
> ...
> }
>
> and
>
> __attribute__ ((target ("avx")))
>
> unsigned bar() {
> ...
> }
>
> GCC generates different assembly codes on AVX512 machines when GCC is
> configured with
>
> --with-arch=native --with-cpu=native
>
> Compile pr82625.C with -march=x86-64 so that only AVX will be enabled by
> target attribute.
>
> PR testsuite/126923
> * g++.target/i386/pr82625.C (dg-options): Add -march=x86-64.
>

Ok.

> --
> H.J.



-- 
BR,
Hongtao