From: Tatsuyuki Ishi <ishitatsuyuki@gmail.com>
To: binutils@sourceware.org
Subject: Re: [PATCH 0/4] gas: Add support for LLVM addrsig and addrsig_sym.
Date: Wed, 25 May 2022 15:46:26 +0900 [thread overview]
Message-ID: <CANqewP0DQeW6K=zMuhgKNh6yyY_zD5R_NJn44rozt_X6aUdVMg@mail.gmail.com> (raw)
Oops, I forgot to add a newline after the subject and the mailer ate the body.
Here is the full description:
---
LLVM's addrsig extension [1] allows the compiler to pass on information
about whether a symbol's address is taken to the linker, which in turns
use this info to perform (safe) Identical Code Folding optimization at
link-time.
This patch adds support for the relevant LLVM assembler directives,
which is a prerequisite for GCC support of the feature.
[1]: https://llvm.org/docs/Extensions.html#sht-llvm-addrsig-section-address-significance-table
next reply other threads:[~2022-05-25 6:46 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-25 6:46 Tatsuyuki Ishi [this message]
-- strict thread matches above, loose matches on Subject: below --
2022-05-25 6:42 Tatsuyuki Ishi
2022-05-25 7:19 ` Fangrui Song
2022-05-25 7:34 ` Alan Modra
2022-05-25 7:59 ` Fangrui Song
2022-05-25 8:01 ` Tatsuyuki Ishi
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