Changeset 2152

Timestamp:

01/26/12 14:52:27 (4 months ago)

Author:

becoulet

Message:

obfuscated bytes-enable mask computation

File:

• trunk/soclib/soclib/communication/vci/caba/source/include/vci_param.h (modified) (2 diffs)

trunk/soclib/soclib/communication/vci/caba/source/include/vci_param.h

@@ -160 +160 @@
     static inline fast_data_t be2mask( fast_data_t be )
     {
+        fast_data_t ret = (be * 0x0100040010004000ULL | be * 0x0002000800200080ULL) & 0x8080808080808080ULL;
+        ret |= ret >> 1; ret |= ret >> 2; ret |= ret >> 4;
+#if 0
         fast_data_t ret = 0;
         const fast_data_t be_up = 1 << (B - 1);
@@ -169 +172 @@
             be <<= 1;
         }
+#endif
         return ret;
     }