RE: [PATCH] [arm][testsuite]: Fix ACLE data-intrinsics testcases

[Kyrylo Tkachov <Kyrylo.Tkachov@arm.com>]

> -----Original Message-----
> From: Christophe Lyon <christophe.lyon@linaro.org>
> Sent: Tuesday, May 30, 2023 3:00 PM
> To: gcc-patches@gcc.gnu.org; Kyrylo Tkachov <Kyrylo.Tkachov@arm.com>;
> Chris Sidebottom <Chris.Sidebottom@arm.com>
> Cc: Christophe Lyon <christophe.lyon@linaro.org>
> Subject: [PATCH] [arm][testsuite]: Fix ACLE data-intrinsics testcases
> 
> data-intrinsics-assembly.c forces -march=armv6 using dg-add-options
> arm_arch_v6, which implicitly adds -mfloat-abi=softfp.
> 
> However, for a toolchain configured for arm-linux-gnueabihf and
> --with-arch=armv7-a, the testcase will fail when including arm_acle.h
> (which includes stdint.h, which will fail to include the non-existing
> gnu/stubs-soft.h).
> 
> Other effective-targets related to arm_acle.h would also pass because
> they first try without -mfloat-abi=softfp, so it seems the
> simplest/safest is to add { dg-require-effective-target arm_softfp_ok }
> to make sure arm_arch_v6_ok's assumption is valid.
> 
> The patch also fixes what seems to be an oversight in
> data-intrinsics-armv6.c: it requires arm_arch_v6_ok, but uses
> arm_arch_v6t2: the patch makes it require arm_arch_v6t2_ok.

Ok, thanks for sorting this out. The arm effective target checks always catch me off guard if I don't deal with them for a few months ☹
Kyrill

> 
> 2023-05-30  Christophe Lyon  <christophe.lyon@linaro.org>
> 
> 	gcc/testsuite/
> 	* gcc.target/arm/acle/data-intrinsics-armv6.c: Fix typo.
> 	* gcc.target/arm/acle/data-intrinsics-assembly.c Require
> 	arm_softfp_ok.
> ---
>  gcc/testsuite/gcc.target/arm/acle/data-intrinsics-armv6.c    | 2 +-
>  gcc/testsuite/gcc.target/arm/acle/data-intrinsics-assembly.c | 1 +
>  2 files changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/gcc/testsuite/gcc.target/arm/acle/data-intrinsics-armv6.c
> b/gcc/testsuite/gcc.target/arm/acle/data-intrinsics-armv6.c
> index aafdff35cee..988ecac3787 100644
> --- a/gcc/testsuite/gcc.target/arm/acle/data-intrinsics-armv6.c
> +++ b/gcc/testsuite/gcc.target/arm/acle/data-intrinsics-armv6.c
> @@ -1,5 +1,5 @@
>  /* { dg-do run } */
> -/* { dg-require-effective-target arm_arch_v6_ok } */
> +/* { dg-require-effective-target arm_arch_v6t2_ok } */
>  /* { dg-add-options arm_arch_v6t2 } */
> 
>  #include "arm_acle.h"
> diff --git a/gcc/testsuite/gcc.target/arm/acle/data-intrinsics-assembly.c
> b/gcc/testsuite/gcc.target/arm/acle/data-intrinsics-assembly.c
> index 3e066877a70..478cbde1600 100644
> --- a/gcc/testsuite/gcc.target/arm/acle/data-intrinsics-assembly.c
> +++ b/gcc/testsuite/gcc.target/arm/acle/data-intrinsics-assembly.c
> @@ -1,5 +1,6 @@
>  /* Test the ACLE data intrinsics get expanded to the correct instructions on a
> specific architecture  */
>  /* { dg-do assemble } */
> +/* { dg-require-effective-target arm_softfp_ok } */
>  /* { dg-require-effective-target arm_arch_v6_ok } */
>  /* { dg-additional-options "--save-temps -O1" } */
>  /* { dg-add-options arm_arch_v6 } */
> --
> 2.34.1