Merging r197574:

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r197574 | rafael.espindola | 2013-12-18 10:06:25 -0500 (Wed, 18 Dec 2013) | 8 lines

Fix f64 and f128 for ppc-darwin.

This patch adds -f64:32:64 to 32 bit ppc darwin since a f64 inside a
structure are only 32 bit aligned.

The patch also drop -f128:64:128 from all ppc darwin, since f128 is
128 bit aligned.

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llvm-svn: 205767