From: chenglulu <chenglulu@loongson.cn>
To: gcc-patches@gcc.gnu.org
Cc: xry111@xry111.site, i@xen0n.name, xuchenghua@loongson.cn
Subject: Re: [PATCH 0/2] When cmodel=extreme, add macro support and only
Date: Wed, 27 Dec 2023 17:18:25 +0800 [thread overview]
Message-ID: <10d50be6-4f2b-b808-28bf-76b54e397886@loongson.cn> (raw)
In-Reply-To: <20231227084654.20614-1-chenglulu@loongson.cn>
在 2023/12/27 下午4:46, Lulu Cheng 写道:
> When cmodel=extreme, since the symbol address is obtained through four instructions,
> errors may occur in some cases during linking. Therefore, in order to ensure that
> the instructions for obtaining the symbol address are together, macro instructions
> are used to obtain the symbol address when cmodel=extreme.
>
> https://github.com/loongson/la-abi-specs/blob/release/laelf.adoc#extreme-code-model
>
There are some problems with the test case changes, I will fix them in
the v2 version.
> Lulu Cheng (2):
> LoongArch: Add the macro implementation of mcmodel=extreme.
> LoongArch: When the code model is extreme, the symbol address is
> obtained through macro instructions regardless of the value of
> -mexplicit-relocs.
>
> gcc/config/loongarch/loongarch.cc | 25 +++++-----
> gcc/config/loongarch/loongarch.md | 47 ++++++++++++++++++-
> gcc/config/loongarch/predicates.md | 14 ++++++
> .../gcc.target/loongarch/attr-model-1.c | 2 +-
> .../gcc.target/loongarch/attr-model-2.c | 2 +-
> .../gcc.target/loongarch/attr-model-3.c | 2 +-
> .../gcc.target/loongarch/attr-model-4.c | 2 +-
> .../loongarch/func-call-extreme-1.c | 6 +--
> .../loongarch/func-call-extreme-2.c | 6 +--
> .../loongarch/func-call-extreme-3.c | 6 +--
> .../loongarch/func-call-extreme-4.c | 6 +--
> .../loongarch/func-call-extreme-5.c | 7 +++
> .../loongarch/func-call-extreme-6.c | 7 +++
> 13 files changed, 102 insertions(+), 30 deletions(-)
> create mode 100644 gcc/testsuite/gcc.target/loongarch/func-call-extreme-5.c
> create mode 100644 gcc/testsuite/gcc.target/loongarch/func-call-extreme-6.c
>
prev parent reply other threads:[~2023-12-27 9:18 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-27 8:46 Lulu Cheng
2023-12-27 8:46 ` [PATCH 1/2] LoongArch: Add the macro implementation of mcmodel=extreme Lulu Cheng
2024-01-04 3:51 ` Xi Ruoyao
2024-01-04 3:58 ` chenglulu
2024-01-04 4:05 ` Xi Ruoyao
2024-01-04 9:05 ` chenglulu
2024-01-04 9:33 ` chenglulu
2023-12-27 8:46 ` [PATCH 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
2023-12-27 9:18 ` chenglulu [this message]
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