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From: Xi Ruoyao <xry111@xry111.site>
To: chenglulu <chenglulu@loongson.cn>, gcc-patches@gcc.gnu.org
Cc: i@xen0n.name, xuchenghua@loongson.cn
Subject: Re: [PATCH v2 2/2] LoongArch: When the code model is extreme, the symbol address is obtained through macro instructions regardless of the value of -mexplicit-relocs.
Date: Fri, 12 Jan 2024 19:42:11 +0800	[thread overview]
Message-ID: <7808ffa81093a41202b1a5c3cf12b76482741b1e.camel@xry111.site> (raw)
In-Reply-To: <b195b865-de49-a0ab-d8f8-88195c1660cb@loongson.cn>

在 2024-01-12星期五的 09:46 +0800,chenglulu写道:

> > I found an issue bootstrapping GCC with -mcmodel=extreme in BOOT_CFLAGS:
> > we need a target hook to tell the generic code
> > UNSPEC_LA_PCREL_64_PART{1,2} are just a wrapper around symbols, or we'll
> > see millions lines of messages like
> > 
> > ../../gcc/gcc/tree.h:4171:1: note: non-delegitimized UNSPEC
> > UNSPEC_LA_PCREL_64_PART1 (42) found in variable location
> 
> I build GCC with -mcmodel=extreme in BOOT_CFLAGS, but I haven't reproduced the problem you mentioned.
> 
>     $ ../configure --host=loongarch64-linux-gnu --target=loongarch64-linux-gnu --build=loongarch64-linux-gnu \
>         --with-arch=loongarch64 --with-abi=lp64d --enable-tls --enable-languages=c,c++,fortran,lto --enable-plugin \
>         --disable-multilib --disable-host-shared --enable-bootstrap --enable-checking=release
>     $ make BOOT_FLAGS="-mcmodel=extreme"
> 
> What did I do wrong?:-(

BOOT_CFLAGS, not BOOT_FLAGS :).

-- 
Xi Ruoyao <xry111@xry111.site>
School of Aerospace Science and Technology, Xidian University

  reply	other threads:[~2024-01-12 11:42 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-01-05  3:40 [PATCH v2 0/2] When cmodel=extreme, add macro support and only support macros Lulu Cheng
2024-01-05  3:40 ` [PATCH v2 1/2] LoongArch: Add the macro implementation of mcmodel=extreme Lulu Cheng
2024-01-05  3:40 ` [PATCH v2 2/2] LoongArch: When the code model is extreme, the symbol address is obtained through macro instructions regardless of the value of -mexplicit-relocs Lulu Cheng
2024-01-05  8:37   ` Xi Ruoyao
2024-01-05  8:51     ` chenglulu
2024-01-05  9:57     ` chenglulu
2024-01-05 10:25       ` Xi Ruoyao
2024-01-05 11:55         ` Xi Ruoyao
2024-01-05 12:45           ` chenglulu
2024-01-05 14:16             ` Xi Ruoyao
2024-01-12  1:46               ` chenglulu
2024-01-12 11:42                 ` Xi Ruoyao [this message]
2024-01-13  7:01                   ` chenglulu
2024-01-13 13:05                     ` Xi Ruoyao
2024-01-13 14:05                       ` chenglulu
2024-01-17  9:38                       ` chenglulu
2024-01-17  9:50                         ` Xi Ruoyao
2024-01-17  9:57                           ` chenglulu
2024-01-19  5:46                             ` Xi Ruoyao
2024-01-19  8:51                               ` chenglulu
2024-01-22  7:27                                 ` chenglulu
2024-01-23 19:36                                   ` Xi Ruoyao
2024-01-25  0:48                                     ` chenglulu
2024-01-25  7:59                                       ` Xi Ruoyao

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