Re: [PATCH] LoongArch: gcc: Modify gas uleb128 support test.

[mengqinggang <mengqinggang@loongson.cn>]

Thank you very much, we will send a new patch use this.


在 2023/9/14 下午8:09, Xi Ruoyao 写道:
> On Thu, 2023-09-14 at 19:54 +0800, chenglulu wrote:
>> Sorry, it's my problem. We will modify it as soon as possible.
> Try this:
>
> diff --git a/gcc/configure.ac b/gcc/configure.ac
> index cb4be11facd..10027a4aaaa 100644
> --- a/gcc/configure.ac
> +++ b/gcc/configure.ac
> @@ -3229,10 +3229,18 @@ AC_MSG_RESULT($gcc_cv_ld_ro_rw_mix)
>   
>   gcc_AC_INITFINI_ARRAY
>   
> +# Some assemblers (GNU as for LoongArch) generates relocations for
> +# leb128 symbol arithmetic for relaxation, we need to disable relaxation
> +# probing leb128 support then.
> +gcc_GAS_CHECK_FEATURE([-mno-relax support],
> +  gcc_cv_as_mno_relax,[-mno-relax],[.text],,
> +  [check_leb128_asflags=-mno-relax])
> +
>   # Check if we have .[us]leb128, and support symbol arithmetic with it.
>   # Older versions of GAS and some non-GNU assemblers, have a bugs handling
>   # these directives, even when they appear to accept them.
> -gcc_GAS_CHECK_FEATURE([.sleb128 and .uleb128], gcc_cv_as_leb128,,
> +gcc_GAS_CHECK_FEATURE([.sleb128 and .uleb128], gcc_cv_as_leb128,
> +[$check_leb128_asflags],
>   [	.data
>   	.uleb128 L2 - L1
>   L1:
>
>
>