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This patch implements `__attribute__((target("branch-protection=...")))`
in a manner, compatible with the analogous GCC feature:
https://gcc.gnu.org/onlinedocs/gcc-9.2.0/gcc/AArch64-Function-Attributes.html#AArch64-Function-Attributes
Differential Revision: https://reviews.llvm.org/D68711
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Summary:
The bitperm feature flag is now prefixed with SVE2, as it is for all other SVE2
extensions
Patch by Maciej Gabka.
Reviewers: sdesmalen, rovka, chill, SjoerdMeijer, rengolin
Reviewed By: SjoerdMeijer, rengolin
Differential Revision: https://reviews.llvm.org/D65327
llvm-svn: 367124
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Summary:
This patch adds the following features defined by Arm SVE2 architecture
extension:
sve2, sve2-aes, sve2-sm4, sve2-sha3, bitperm
For existing CPUs these features are declared as unsupported to prevent
scheduler errors.
The specification can be found here:
https://developer.arm.com/docs/ddi0602/latest
Reviewers: SjoerdMeijer, sdesmalen, ostannard, rovka
Reviewed By: SjoerdMeijer, rovka
Subscribers: rovka, javed.absar, tschuett, kristof.beyls, kristina, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D61513
llvm-svn: 360573
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to reflect the new license.
We understand that people may be surprised that we're moving the header
entirely to discuss the new license. We checked this carefully with the
Foundation's lawyer and we believe this is the correct approach.
Essentially, all code in the project is now made available by the LLVM
project under our new license, so you will see that the license headers
include that license only. Some of our contributors have contributed
code under our old license, and accordingly, we have retained a copy of
our old license notice in the top-level files in each project and
repository.
llvm-svn: 351636
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separate files to enable future changes.
This moves ARM and AArch64 target parsing into their
own files. They are still accessible through
TargetParser.h as before.
Several functions in AArch64 which were just forwarders to ARM
have been removed. All except AArch64::getFPUName were unused,
and that was only used in a test. Which itself was overlapping
one in ARM, so it has also been removed.
Differential revision: https://reviews.llvm.org/D53980
llvm-svn: 347741
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