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Port memory barriers intrinsics to AArch64

Description

Port memory barriers intrinsics to AArch64

Memory barrier __builtin_arm_[dmb, dsb, isb] intrinsics are required to
implement their corresponding ACLE and MSVC intrinsics.

This patch ports ARM dmb, dsb, isb intrinsic to AArch64.

Differential Revision: http://reviews.llvm.org/D4520

Details

Committed
kongyiJul 17 2014, 3:50 AM
Differential Revision
D4520: Port memory barriers intrinsics to AArch64
Parents
rL213246: [mips] .reginfo is 8 byte aligned on N32.
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