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diff --git a/doc/changelog.md b/doc/changelog.md
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 # History
 
+* 2022/Nov/25 ver 6.66 support RAO-INT
 * 2022/Nov/22 ver 6.65 consider x32
 * 2022/Nov/04 ver 6.64 some vmov* support addressing with mask
 * 2022/Oct/06 ver 6.63 vpmadd52{h,l}uq support AVX-IFMA
diff --git a/readme.txt b/readme.txt
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@@ -402,7 +402,7 @@
 -----------------------------------------------------------------------------

 ◎履歴

 

-2022/11/22 ver 6.65 x32動作確認

+2022/11/25 ver 6.66 RAO-INTサポート

 2022/11/04 ver 6.64 vmov*命令をmaskつきアドレッシング対応修正

 2022/10/06 ver 6.63 AVX-IFMA用のvpmadd52{h,l}uq対応

 2022/10/05          amx_fp16/avx_vnni_int8/avx_ne_convertt対応とsetDefaultEncoding()追加