Merge of Flocq version 2.2.0.

More precise modeling of NaNs.


git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2303 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e

1 files changed, 2 insertions, 0 deletions

diff --git a/Changelog b/Changelog
index 657cb03..b7e37a7 100644
--- a/Changelog
+++ b/Changelog
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 Development trunk:
 ==================
 
+- More precise modeling of not-a-numbers (NaNs) in floating-point
+  arithmetic.
 - Optimize integer divisions by positive constants, turning them into
   multiply-high and shifts.
 - Avoid double rounding issues in conversion from 64-bit integers