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@@ -97,7 +97,9 @@ const char aes_c_id[] = "$Id$";
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/* Figure out which AES optimizations to use. */
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#ifdef USE_BUILTIN_AES
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# define USE_RIJNDAEL_COUNTER_OPTIMIZATION
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-# if defined(__powerpc__) || defined(__powerpc64__)
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+# if 0 && (defined(__powerpc__) || defined(__powerpc64__))
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+/* XXXX do more experimentation before concluding this is actually
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+ * a good idea. */
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# define FULL_UNROLL
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# endif
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#endif
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