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archived-llvm/test/CodeGen/ARM
Alexandros Lamprineas e587b6cff8 [ARM] Fix invalid VLDM/VSTM access when targeting Big Endian with NEON
The instructions VLDM/VSTM can only access word-aligned memory
locations and produce alignment fault if the condition is not met.

The compiler currently generates VLDM/VSTM for v2f64 load/store
regardless the alignment of the memory access. Instead, if a v2f64
load/store is not word-aligned, the compiler should generate
VLD1/VST1. For each non double-word-aligned VLD1/VST1, a VREV
instruction should be generated when targeting Big Endian.

Differential Revision: https://reviews.llvm.org/D25281

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@283763 91177308-0d34-0410-b5e6-96231b3b80d8
2016-10-10 16:01:54 +00:00
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