bootsectors

Timestamp:

Feb 6, 2017 9:09:11 AM (8 years ago)

Author:

vboxsync

Message:

bs3-cpu-decoding-1: doc update

File:

trunk/src/VBox/ValidationKit/bootsectors/bs3-cpu-decoding-1.c32

-              r65616
+              r65617
 /**
  * Checks various prefix encodings with the MOVBE and CRC32
  * instructions to try figure out how they are decoded.
+ * Checks various prefix encodings with the MOVBE and CRC32 instructions to try
+ * figure out how they are decoded.
+ *
+ * The issue here is that both MOVBE and CRC32 are sensitive to
+ * the operand size prefix, which helps us identify .
+ *
+ * The issue here is that both MOVBE and CRC32 are sensitive to the operand size
+ * prefix, which helps us identify whether the F2h and F3h prefixes takes
+ * precedence over 66h in this case.  (As it turned out they do and it order
+ * doesn't matter.)
  */
 static void DecodeMovbeVsCrc32(void)
 …
  * check that the prefix ordering is irrelevant and that the last one of F2h and
  * F3h wins.
+ *
  */
 static void DecodeCmppsCmppdCmpssCmpsd(void)

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