Makoto Kato 529993e5f8 Bug 1360429 - Part 2. Detect __ARM_NEON macro for aarch64. r=glandium
aarch64's gcc and arm's gcc with -mfpu=neon defines __ARM_NEON for NEON, so we should detect it to support NEON code.

MozReview-Commit-ID: LRMTQLctuLV

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extra : rebase_source : 9e09eb9b67824c81dc45198acd6582584a5e1652
2017-04-28 13:27:10 +09:00
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