Re: [dpdk-dev] [PATCH v5 2/2] test/cpuflag: add new flags for ARM64 platform

[Ruifeng Wang <Ruifeng.Wang@arm.com>]

> -----Original Message-----
> From: Wei Hu (Xavier) <huwei013@chinasoftinc.com>
> Sent: Wednesday, August 19, 2020 3:04 PM
> To: dev@dpdk.org
> Cc: nd <nd@arm.com>; Honnappa Nagarahalli
> <Honnappa.Nagarahalli@arm.com>; Ruifeng Wang
> <Ruifeng.Wang@arm.com>; jerinjacobk@gmail.com;
> xavier.huwei@huawei.com
> Subject: [PATCH v5 2/2] test/cpuflag: add new flags for ARM64 platform
> 
> From: "Wei Hu (Xavier)" <xavier.huwei@huawei.com>
> 
> This patch adds new flags into the test_cpuflags() functions for ARM64
> platform, such as RTE_CPUFLAG_SVE, etc.
> 
> Signed-off-by: Wei Hu (Xavier) <xavier.huwei@huawei.com>
> Reviewed-by: Ruifeng Wang <ruifeng.wang@arm.com>
> ---
> v4 -> v5: Use double '\t' for better alignment.
> v4: Initial patch.
> ---
>  app/test/test_cpuflags.c | 39
> +++++++++++++++++++++++++++++++++++++++
>  1 file changed, 39 insertions(+)
> 
> diff --git a/app/test/test_cpuflags.c b/app/test/test_cpuflags.c index
> 06718631f..7c71ffef1 100644
> --- a/app/test/test_cpuflags.c
> +++ b/app/test/test_cpuflags.c
> @@ -118,6 +118,45 @@ test_cpuflags(void)
> 
>  	printf("Check for ATOMICS:\t");
>  	CHECK_FOR_FLAG(RTE_CPUFLAG_ATOMICS);
> +
> +	printf("Check for SVE:\t\t");
> +	CHECK_FOR_FLAG(RTE_CPUFLAG_SVE);
> +
> +	printf("Check for SVE2:\t\t");
> +	CHECK_FOR_FLAG(RTE_CPUFLAG_SVE2);
> +
Sorry if I didn't make it clear.
In v4, I meant we need double '\t' when checking for 'SVE' and 'SVE2' to align the check results with that of other flags.
You can check this by running cpuflags_autotest.

Thanks.
/Ruifeng
> +	printf("Check for SVEAES:\t\t");
> +	CHECK_FOR_FLAG(RTE_CPUFLAG_SVEAES);
> +
> +	printf("Check for SVEPMULL:\t\t");
> +	CHECK_FOR_FLAG(RTE_CPUFLAG_SVEPMULL);
> +
> +	printf("Check for SVEBITPERM:\t\t");
> +	CHECK_FOR_FLAG(RTE_CPUFLAG_SVEBITPERM);
> +
> +	printf("Check for SVESHA3:\t\t");
> +	CHECK_FOR_FLAG(RTE_CPUFLAG_SVESHA3);
> +
> +	printf("Check for SVESM4:\t\t");
> +	CHECK_FOR_FLAG(RTE_CPUFLAG_SVESM4);
> +
> +	printf("Check for FLAGM2:\t\t");
> +	CHECK_FOR_FLAG(RTE_CPUFLAG_FLAGM2);
> +
> +	printf("Check for FRINT:\t\t");
> +	CHECK_FOR_FLAG(RTE_CPUFLAG_FRINT);
> +
> +	printf("Check for SVEI8MM:\t\t");
> +	CHECK_FOR_FLAG(RTE_CPUFLAG_SVEI8MM);
> +
> +	printf("Check for SVEF32MM:\t\t");
> +	CHECK_FOR_FLAG(RTE_CPUFLAG_SVEF32MM);
> +
> +	printf("Check for SVEF64MM:\t\t");
> +	CHECK_FOR_FLAG(RTE_CPUFLAG_SVEF64MM);
> +
> +	printf("Check for SVEBF16:\t\t");
> +	CHECK_FOR_FLAG(RTE_CPUFLAG_SVEBF16);
>  #endif
> 
>  #if defined(RTE_ARCH_X86_64) || defined(RTE_ARCH_I686)
> --
> 2.27.0