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| author | François Pottier <francois.pottier@inria.fr> | 2015-10-23 15:08:33 +0200 |
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| committer | François Pottier <francois.pottier@inria.fr> | 2015-10-23 15:08:33 +0200 |
| commit | 8b817cda643d180d43ab8c84809ca2d55c7dd3df (patch) | |
| tree | 812fe2f7ec68c03c5f0762f1266f383193bbfe92 /checklink/Bitstring_utils.ml | |
| parent | c46723c0169145d41d1879c236f53314456f1ba1 (diff) | |
| parent | 1cb3d93ff278ebbd0c6967c5f9401a97f9b618b4 (diff) | |
| download | compcert-8b817cda643d180d43ab8c84809ca2d55c7dd3df.tar.gz compcert-8b817cda643d180d43ab8c84809ca2d55c7dd3df.zip | |
Merge remote branch 'upstream/master' into clean
Conflicts:
Makefile.extr
Diffstat (limited to 'checklink/Bitstring_utils.ml')
| -rw-r--r-- | checklink/Bitstring_utils.ml | 33 |
1 files changed, 0 insertions, 33 deletions
diff --git a/checklink/Bitstring_utils.ml b/checklink/Bitstring_utils.ml deleted file mode 100644 index 3218f898..00000000 --- a/checklink/Bitstring_utils.ml +++ /dev/null @@ -1,33 +0,0 @@ -(** Note that a bitstring is a triple (string * int * int), where the string - contains the contents (the last char is filled up with zeros if necessary), - the firts int gives the first bit to consider, and the second int gives the - bit length of the considered bitstring. -*) -type bitstring = Bitstring.bitstring - -(** Checks whether a given number of bits of a bitstring are zeroed. The - bitstring may be longer. - @param size number of bits to check -*) - -let is_zeros (bs: bitstring) (size: int): bool = - Bitstring.bitstring_length bs >= size - && Bitstring.is_zeroes_bitstring (Bitstring.subbitstring bs 0 size) - -(* - -let rec is_zeros (bs: bitstring) (size: int): bool = - size = 0 || - if size >= 64 - then ( - bitmatch bs with - | { 0L : 64 : int ; rest : -1 : bitstring } -> - is_zeros rest (size - 64) - | { _ } -> false - ) - else ( - bitmatch bs with - | { 0L : size : int } -> true - | { _ } -> false - ) -*) |