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[X86] Add -malign-double support
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Authored by seanklein on Apr 29 2016, 1:07 PM.
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Summary

The -malign-double flag causes i64 and f64 types to have alignment 8
instead of 4. On x86-64, -malign-double is enabled by default.

Rebases and cleans phosek's patch here: http://reviews.llvm.org/D12859
Corresponds to front-end change here: http://reviews.llvm.org/D19734

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rL LLVM

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seanklein updated this revision to Diff 55654.Apr 29 2016, 1:07 PM
seanklein retitled this revision from to [X86] Add -malign-double support.
seanklein updated this object.
seanklein set the repository for this revision to rL LLVM.
seanklein updated this object.Apr 29 2016, 1:12 PM