From: Jakub Jelinek <jakub@redhat.com>
To: Hongtao Liu <crazylht@gmail.com>
Cc: Uros Bizjak <ubizjak@gmail.com>,
Richard Biener <rguenther@suse.de>,
Iain Sandoe <idsandoe@googlemail.com>,
GCC Patches <gcc-patches@gcc.gnu.org>,
liuhongt <hongtao.liu@intel.com>,
Joseph Myers <joseph@codesourcery.com>
Subject: Re: [PATCH] libgcc, i386: Export *hf* and *hc* from libgcc_s.so.1
Date: Wed, 8 Sep 2021 11:09:36 +0200 [thread overview]
Message-ID: <20210908090936.GQ920497@tucnak> (raw)
In-Reply-To: <CAMZc-bzuagMF+eZiPXMmsMJQ8SEa=AgTF3myJqj_JyP7DdKiDA@mail.gmail.com>
On Wed, Sep 08, 2021 at 10:37:17AM +0800, Hongtao Liu wrote:
> Bootstrapped and regtested on x86_64-linux-gnu{-m32,}.
> Ok for trunk?
>
> libgcc/ChangeLog:
>
> * config/i386/t-softfp: Compile __{mul,div}hc3 into
> libgcc_s.so.1.
I think this is ok, but not really useful until the *.ver change is acked,
because what this patch alone does is add extra non-exported entrypoints to
the shared library (aka wasted .text).
> libgcc/config/i386/t-softfp | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/libgcc/config/i386/t-softfp b/libgcc/config/i386/t-softfp
> index 2363ea17194..7620cc0cec5 100644
> --- a/libgcc/config/i386/t-softfp
> +++ b/libgcc/config/i386/t-softfp
> @@ -2,9 +2,8 @@ LIB2ADD += $(srcdir)/config/i386/sfp-exceptions.c
>
> # Replace _divhc3 and _mulhc3.
> libgcc2-hf-functions = _divhc3 _mulhc3
> -LIB2FUNCS_EXCLUDE += $(libgcc2-hf-functions)
> libgcc2-hf-extras = $(addsuffix .c, $(libgcc2-hf-functions))
> -LIB2ADD_ST += $(addprefix $(srcdir)/config/i386/, $(libgcc2-hf-extras))
> +LIB2ADD += $(addprefix $(srcdir)/config/i386/, $(libgcc2-hf-extras))
>
> softfp_extensions := hfsf hfdf hftf hfxf sfdf sftf dftf xftf
> softfp_truncations := tfhf xfhf dfhf sfhf tfsf dfsf tfdf tfxf
Jakub
next prev parent reply other threads:[~2021-09-08 9:09 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-03 7:41 [PATCH] Explicitly add -msse2 to compile HF related libgcc source file liuhongt
2021-09-03 9:00 ` Jakub Jelinek
2021-09-03 12:32 ` Iain Sandoe
2021-09-03 12:33 ` Jakub Jelinek
2021-09-03 12:36 ` Iain Sandoe
2021-09-06 8:01 ` Jakub Jelinek
2021-09-06 1:42 ` Hongtao Liu
2021-09-06 7:08 ` Jakub Jelinek
2021-09-06 7:49 ` Iain Sandoe
2021-09-06 8:58 ` [PATCH] libgcc, i386: Export *hf* and *hc* from libgcc_s.so.1 Jakub Jelinek
2021-09-07 12:28 ` Jakub Jelinek
2021-09-08 0:54 ` Hongtao Liu
2021-09-08 2:37 ` Hongtao Liu
2021-09-08 9:09 ` Jakub Jelinek [this message]
2021-09-08 9:31 ` Hongtao Liu
2021-09-18 19:13 ` Iain Sandoe
2021-09-19 3:49 ` Hongtao Liu
2021-09-06 1:43 ` [PATCH] Explicitly add -msse2 to compile HF related libgcc source file Hongtao Liu
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