[PATCH] soft-fp: Rename trunchfbf2.c to extendhfbf2.c

[H.J. Lu]

On Wed, May 1, 2024 at 10:44 AM H.J. Lu <hjl.tools@gmail.com> wrote:
>
> Since bfloat16 has the same range as float32, bfloat16 to _Float16
                                                                  This
should be _Float16 to bfloat16

Fixed in the v2 patch:

https://patchwork.sourceware.org/project/glibc/list/?series=33346

> conversion is an extension, not a truncation.  Rename trunchfbf2.c
> to extendhfbf2.c to provide __extendhfbf2, instead of __trunchfbf2.
> This fixes BZ #31690.
> ---
>  soft-fp/{trunchfbf2.c => extendhfbf2.c} | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>  rename soft-fp/{trunchfbf2.c => extendhfbf2.c} (96%)
>
> diff --git a/soft-fp/trunchfbf2.c b/soft-fp/extendhfbf2.c
> similarity index 96%
> rename from soft-fp/trunchfbf2.c
> rename to soft-fp/extendhfbf2.c
> index ad5fbbd654..3443948da3 100644
> --- a/soft-fp/trunchfbf2.c
> +++ b/soft-fp/extendhfbf2.c
> @@ -1,5 +1,5 @@
>  /* Software floating-point emulation.
> -   Truncate IEEE half into bfloat16.
> +   Extend IEEE half into bfloat16.
>     Copyright (C) 2022-2024 Free Software Foundation, Inc.
>     This file is part of the GNU C Library.
>
> @@ -36,7 +36,7 @@
>     truncate to BFtype.  */
>
>  BFtype
> -__trunchfbf2 (HFtype a)
> +__extendhfbf2 (HFtype a)
>  {
>    FP_DECL_EX;
>    FP_DECL_H (A);
> --
> 2.44.0
>


-- 
H.J.