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AArch64 - add speculation barrier
authorrearnsha <rearnsha@138bc75d-0d04-0410-961f-82ee72b054a4>
Tue, 31 Jul 2018 17:35:50 +0000 (17:35 +0000)
committerrearnsha <rearnsha@138bc75d-0d04-0410-961f-82ee72b054a4>
Tue, 31 Jul 2018 17:35:50 +0000 (17:35 +0000)
commitf9d2906f0b6803c42b2200da5e32e331930fc306
tree424d39aa4f9d1851b4d6a06a84adca8736bf904atree
parentbe626997e0edc646c17e9e1eadabf97152e82eebcommit | diff
AArch64 - add speculation barrier

Similar to Arm, this adds an unconditional speculation barrier for AArch64.

* config/aarch64.md (unspecv): Add UNSPECV_SPECULAION_BARRIER.
(speculation_barrier): New insn.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@263170 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/ChangeLog diff | blob | blame | history
gcc/config/aarch64/aarch64.md diff | blob | blame | history
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