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* [Bug target/95129] New: aarch64: make outline-atomics work on non-gnu targets
@ 2020-05-14 11:08 nsz at gcc dot gnu.org
2020-05-14 11:11 ` [Bug target/95129] " nsz at gcc dot gnu.org
2020-05-14 11:16 ` ktkachov at gcc dot gnu.org
0 siblings, 2 replies; 3+ messages in thread
From: nsz at gcc dot gnu.org @ 2020-05-14 11:08 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95129
Bug ID: 95129
Summary: aarch64: make outline-atomics work on non-gnu targets
Product: gcc
Version: 10.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: nsz at gcc dot gnu.org
Target Milestone: ---
the initializer in libgcc uses __getauxval which is not
available on non-gnu targets so outlining atomics is
ineffective.
change the runtime lse check in libgcc such that non-glibc
targets can implement it too (e.g. calling __getauxval via
a weak reference and no #ifdef __gnu_linux__ check allows
a libc to implement it later, unfortunately a non-linux os
may not have the same hwcap mechanism so a more generic
libc<->libgcc abi would be better).
^ permalink raw reply [flat|nested] 3+ messages in thread
* [Bug target/95129] aarch64: make outline-atomics work on non-gnu targets
2020-05-14 11:08 [Bug target/95129] New: aarch64: make outline-atomics work on non-gnu targets nsz at gcc dot gnu.org
@ 2020-05-14 11:11 ` nsz at gcc dot gnu.org
2020-05-14 11:16 ` ktkachov at gcc dot gnu.org
1 sibling, 0 replies; 3+ messages in thread
From: nsz at gcc dot gnu.org @ 2020-05-14 11:11 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95129
--- Comment #1 from nsz at gcc dot gnu.org ---
i also opened bug 95128 to just configure the outline-atomics away.
^ permalink raw reply [flat|nested] 3+ messages in thread
* [Bug target/95129] aarch64: make outline-atomics work on non-gnu targets
2020-05-14 11:08 [Bug target/95129] New: aarch64: make outline-atomics work on non-gnu targets nsz at gcc dot gnu.org
2020-05-14 11:11 ` [Bug target/95129] " nsz at gcc dot gnu.org
@ 2020-05-14 11:16 ` ktkachov at gcc dot gnu.org
1 sibling, 0 replies; 3+ messages in thread
From: ktkachov at gcc dot gnu.org @ 2020-05-14 11:16 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95129
ktkachov at gcc dot gnu.org changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |ktkachov at gcc dot gnu.org
Last reconfirmed| |2020-05-14
Ever confirmed|0 |1
Status|UNCONFIRMED |NEW
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2020-05-14 11:16 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2020-05-14 11:08 [Bug target/95129] New: aarch64: make outline-atomics work on non-gnu targets nsz at gcc dot gnu.org
2020-05-14 11:11 ` [Bug target/95129] " nsz at gcc dot gnu.org
2020-05-14 11:16 ` ktkachov at gcc dot gnu.org
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