[PATCH] powerpc: Fix check-localplt from 99303f3871

[H.J. Lu]

On Wed, Apr 29, 2026 at 8:48 PM Adhemerval Zanella
<adhemerval.zanella@linaro.org> wrote:
>
> The misc/hash.c uses floating-point operations and powerpc softfp
> also exports the same libgcc symbols, which creates extra PLT calls.
> Use the same hack from divdi3-symbol-hacks.h to route such calls
> internally.
>
> Checked with build/check for powerpc-linux-gnu-soft.
> ---
>  soft-fp/fixunssfsi.c                     | 1 +
>  soft-fp/gesf2.c                          | 1 +
>  soft-fp/lesf2.c                          | 2 ++
>  sysdeps/powerpc/powerpc32/symbol-hacks.h | 8 ++++++++
>  4 files changed, 12 insertions(+)
>
> diff --git a/soft-fp/fixunssfsi.c b/soft-fp/fixunssfsi.c
> index 9e883a9769..1b17b04852 100644
> --- a/soft-fp/fixunssfsi.c
> +++ b/soft-fp/fixunssfsi.c
> @@ -43,3 +43,4 @@ __fixunssfsi (SFtype a)
>
>    return r;
>  }
> +strong_alias (__fixunssfsi, __fixunssfsi_internal)
> diff --git a/soft-fp/gesf2.c b/soft-fp/gesf2.c
> index f7289982f1..455bb75d34 100644
> --- a/soft-fp/gesf2.c
> +++ b/soft-fp/gesf2.c
> @@ -47,3 +47,4 @@ __gesf2 (SFtype a, SFtype b)
>  }
>
>  strong_alias (__gesf2, __gtsf2);
> +strong_alias (__gesf2, __gesf2_internal)
> diff --git a/soft-fp/lesf2.c b/soft-fp/lesf2.c
> index 2f4921f3ce..3b40b3c9b8 100644
> --- a/soft-fp/lesf2.c
> +++ b/soft-fp/lesf2.c
> @@ -47,3 +47,5 @@ __lesf2 (SFtype a, SFtype b)
>  }
>
>  strong_alias (__lesf2, __ltsf2);
> +strong_alias (__lesf2, __lesf2_internal);
> +strong_alias (__ltsf2, __ltsf2_internal);
> diff --git a/sysdeps/powerpc/powerpc32/symbol-hacks.h b/sysdeps/powerpc/powerpc32/symbol-hacks.h
> index 1faf282601..6f85c16bb8 100644
> --- a/sysdeps/powerpc/powerpc32/symbol-hacks.h
> +++ b/sysdeps/powerpc/powerpc32/symbol-hacks.h
> @@ -19,3 +19,11 @@
>  #include <sysdeps/wordsize-32/divdi3-symbol-hacks.h>
>
>  #include_next "symbol-hacks.h"
> +
> +#if !defined __ASSEMBLER__ \
> +  && IS_IN (libc) && defined SHARED && defined __NO_FPRS__
> +asm ("__fixunssfsi = __fixunssfsi_internal");
> +asm ("__ltsf2 = __ltsf2_internal");
> +asm ("__lesf2 = __lesf2_internal");
> +asm ("__gesf2 = __gesf2_internal");
> +#endif
> --
> 2.43.0
>

I think we should follow sysdeps/wordsize-32/divdi3-symbol-hacks.h to
define aliases and implement the symbol hack only if needed by defining
a unique macro when compiling the function definition.


-- 
H.J.