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Roll back -ffast-math

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Summary:
@public

`-ffast-math` does not have measurable performance benefits.

By using `NaN` for *undefined* values again, we can squeeze `YGFloatOptional` into 32 bits.
This will also enable us to store `YGValue` (or a variant of it) in 32 bits.

Reviewed By: astreet

Differential Revision: D13403925

fbshipit-source-id: b13d026bf556f24ab4699e65fb450af13a70961b
This commit is contained in:
David Aurelio
2018-12-13 07:09:28 -08:00
committed by Facebook Github Bot
parent 8ab01fde6e
commit 9ddda3c630
7 changed files with 21 additions and 77 deletions
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tools/build_defs/oss/yoga_defs.bzl
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@@ -58,7 +58,6 @@ BASE_COMPILER_FLAGS = [
"-Wall",
"-Werror",
"-O3",
"-ffast-math",
]
LIBRARY_COMPILER_FLAGS = BASE_COMPILER_FLAGS + [