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Document -enable-no-infs-fp-math and -enable-no-nans-fp-math command line options

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119370 91177308-0d34-0410-b5e6-96231b3b80d8
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Peter Collingbourne
2010-11-16 19:40:13 +00:00
parent 6904d7af1c
commit 5a0a7ced12
2 changed files with 14 additions and 3 deletions
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docs/CommandGuide/llc.pod
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@@ -84,6 +84,14 @@ Disable optimizations that may produce excess precision for floating point.
Note that this option can dramatically slow down code on some systems
(e.g. X86).
=item B<--enable-no-infs-fp-math>
Enable optimizations that assume no Inf values.
=item B<--enable-no-nans-fp-math>
Enable optimizations that assume no NAN values.
=item B<--enable-unsafe-fp-math>
Enable optimizations that make unsafe assumptions about IEEE math (e.g. that