Re: [PATCH] testsuite: Fix vect_long_mult on Power [PR109705]

[Andrew Pinski <pinskia@gmail.com>]

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On Mon, Jan 15, 2024 at 6:43 PM Kewen.Lin <linkw@linux.ibm.com> wrote:
>
> Hi,
>
> As pointed out by the discussion in PR109705, the current
> vect_long_mult effective target check on Power is broken.
> This patch is to fix it accordingly.
>
> With additional change by adding a guard vect_long_mult
> in gcc.dg/vect/pr25413a.c , it's tested well on Power{8,9}
> LE & BE (also on Power10 LE as before).

I see this is still broken for 32bit PowerPC where vect_long_mult
should return true still since long there is 32bit and there is a
32bit vector multiply.
Can someone test (and apply if approved) the attached patch to see if
it fixes pr25413a.c for powerpc*-*-* for 32bit?

Thanks,
Andrew Pinski

>
> I'm going to push this soon.
>
> BR,
> Kewen
> -----
>         PR testsuite/109705
>
> gcc/testsuite/ChangeLog:
>
>         * lib/target-supports.exp (check_effective_target_vect_long_mult):
>         Fix powerpc*-*-* checks.
> ---
>  gcc/testsuite/lib/target-supports.exp | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/gcc/testsuite/lib/target-supports.exp b/gcc/testsuite/lib/target-supports.exp
> index 81ae92a0266..fac32fb3d0e 100644
> --- a/gcc/testsuite/lib/target-supports.exp
> +++ b/gcc/testsuite/lib/target-supports.exp
> @@ -9073,9 +9073,9 @@ proc check_effective_target_vect_int_mult { } {
>
>  proc check_effective_target_vect_long_mult { } {
>      if { [istarget i?86-*-*] || [istarget x86_64-*-*]
> -        || (([istarget powerpc*-*-*]
> -              && ![istarget powerpc-*-linux*paired*])
> -              && [check_effective_target_ilp32])
> +        || ([istarget powerpc*-*-*]
> +             && [check_effective_target_powerpc_vsx_ok]
> +             && [check_effective_target_has_arch_pwr10])
>          || [is-effective-target arm_neon]
>          || ([istarget sparc*-*-*] && [check_effective_target_ilp32])
>          || [istarget aarch64*-*-*]
> --
> 2.39.1

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diff --git a/gcc/testsuite/lib/target-supports.exp b/gcc/testsuite/lib/target-supports.exp
index 9fc5aae166d..52a2aec9982 100644
--- a/gcc/testsuite/lib/target-supports.exp
+++ b/gcc/testsuite/lib/target-supports.exp
@@ -9086,8 +9086,9 @@ proc check_effective_target_vect_int_mult { } {
 proc check_effective_target_vect_long_mult { } {
     if { [istarget i?86-*-*] || [istarget x86_64-*-*]
 	 || ([istarget powerpc*-*-*]
-	      && [check_effective_target_powerpc_vsx_ok]
-	      && [check_effective_target_has_arch_pwr10])
+	      && ([check_effective_target_ilp32]
+		  || ([check_effective_target_powerpc_vsx_ok]
+	              && [check_effective_target_has_arch_pwr10])))
 	 || [is-effective-target arm_neon]
 	 || ([istarget sparc*-*-*] && [check_effective_target_ilp32])
 	 || ([istarget aarch64*-*-*]