Merge branch 'master' into master

diff --cc CHANGELOG
index 650a6aeaf73f821f28756f24ee5db8750f35d98f,ca719609138a04a70449d4c46415ab1f6834bb28..e0b0eb05e0c97b7c873e152cd2c08b284b7d55dd
--- 1/CHANGELOG
--- 2/CHANGELOG
+++ b/CHANGELOG
@@@ -60,7 -60,7 +60,8 @@@ Yosys 0.9 .. Yosys 0.9-de
      - Added "scratchpad" pass
      - Added "abc9 -dff"
      - Added "synth_xilinx -dff"
 +    - Improved support of $readmem[hb] Memory Content File inclusion
+     - Added "opt_lut_ins" pass
  
  Yosys 0.8 .. Yosys 0.9
  ----------------------