Bug 95128 - aarch64: configure option for outline-atomics
Summary: aarch64: configure option for outline-atomics
Status: NEW
Alias: None
Product: gcc
Classification: Unclassified
Component: target (show other bugs)
Version: 10.0
: P3 normal
Target Milestone: ---
Assignee: Not yet assigned to anyone
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2020-05-14 10:55 UTC by nsz
Modified: 2024-03-28 02:57 UTC (History)
3 users (show)

See Also:
Host:
Target: aarch64*-elf, aarch64*-musl, aarch64*-freebsd
Build:
Known to work:
Known to fail:
Last reconfirmed: 2020-05-14 00:00:00

Attachments
Add an attachment (proposed patch, testcase, etc.)

Note You need to log in before you can comment on or make changes to this bug.
Description nsz 2020-05-14 10:55:08 UTC 
on aarch64, non-gnu targets likely want to turn outline atomics off
in their toolchain (since outlining is ineffective without the hwcap
based initializer that can select lse atomics at runtime).
Comment 1 ktkachov 2020-05-14 11:03:26 UTC 
Agreed. I'd be happy to review such a patch
Comment 2 nsz 2020-05-14 11:10:53 UTC 
i also opened bug 95129 to fix the runtime detection.