Hi Christophe,
> From: Christophe Lyon <christophe.l...@linaro.org>
> Sent: Monday, November 9, 2020 1:38 PM
> To: Dennis Zhang
> Cc: Kyrylo Tkachov; gcc-patches@gcc.gnu.org; Richard Earnshaw; nd; Ramana
> Radhakrishnan
> Subject: Re: [PATCH][Arm] Auto-vectorization for MVE: vsub
>
> Hi,
>
> I have just noticed that the new test has:
> /* { dg -additional-options "-O3 -funsafe-math-optimizations" } */
> /* { dg-additional-options "-O3" } */
> That is, the first line has a typo (space between dg and -additional-options),
> so the test is effectively compiled with -O3, and without
> -funsafe-math-optimizations
>
> Since I can see it passing, it looks like -funsafe-math-optimizations
> is not needed, can you clarify?
>
> Thanks
Thank you for the report. The '-funsafe-math-optimizations' option is not
needed.
The typo is fixed by commit b46dd03fe94e2428cbcdbfc4d081d89ed604803a.
Bests
Dennis
