On Thu, Nov 28, 2024 at 12:22 PM Jennifer Schmitz <jschm...@nvidia.com> wrote:
>
> The test gcc.dg/tree-ssa/pow_fold_1.c was failing for 32-bit x86 due to
> incompatibility of '-fexcess-precision=16' with '-mfpmath=387'.
> In order to resolve this, this patch adds -msse -mfpmath=sse+387 for i?86-*-*.

This is already fixed by [1] that adds missing -mpfpmath=sse to
add_options_for_float16 dejagnu procedure.

[1] https://gcc.gnu.org/pipermail/gcc-patches/2024-November/669910.html

Uros.

>
> We tested this by running the test on an x86_64 machine with
> --target_board={unix/-m32}.
> OK for mainline?
>
> Signed-off-by: Jennifer Schmitz <jschm...@nvidia.com>
>
> gcc/testsuite/
>         PR testsuite/117704
>         * gcc.dg/tree-ssa/pow_fold_1.c: Add -msse -mfpmath=sse+387
>         for i?86-*-*.
> ---
>  gcc/testsuite/gcc.dg/tree-ssa/pow_fold_1.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/gcc/testsuite/gcc.dg/tree-ssa/pow_fold_1.c 
> b/gcc/testsuite/gcc.dg/tree-ssa/pow_fold_1.c
> index d98bcb0827e..cb9d52e9653 100644
> --- a/gcc/testsuite/gcc.dg/tree-ssa/pow_fold_1.c
> +++ b/gcc/testsuite/gcc.dg/tree-ssa/pow_fold_1.c
> @@ -1,6 +1,7 @@
>  /* { dg-do compile } */
>  /* { dg-options "-Ofast -fdump-tree-optimized -fexcess-precision=16" } */
>  /* { dg-add-options float16 } */
> +/* { dg-additional-options "-msse -mfpmath=sse+387" { target { i?86-*-* } } 
> } */
>  /* { dg-require-effective-target float16_runtime } */
>  /* { dg-require-effective-target c99_runtime } */
>
> --

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