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| author | Xavier Leroy <xavier.leroy@inria.fr> | 2014-12-17 15:28:01 +0100 |
|---|---|---|
| committer | Xavier Leroy <xavier.leroy@inria.fr> | 2014-12-17 15:28:01 +0100 |
| commit | 4461db2bd92973b83bbd74c8f2eec16d702cffed (patch) | |
| tree | b02c8d646631662a5309238c13306a7d1f3e72db /checklink/Bitstring_utils.ml | |
| parent | 20c70573181f81c99ea4e8797615dac8308a9b18 (diff) | |
| parent | c1daedb244d1f7586c12749642b0d78ae910e60a (diff) | |
| download | compcert-4461db2bd92973b83bbd74c8f2eec16d702cffed.tar.gz compcert-4461db2bd92973b83bbd74c8f2eec16d702cffed.zip | |
Merge branch 'master' into pure-makefiles
Diffstat (limited to 'checklink/Bitstring_utils.ml')
| -rw-r--r-- | checklink/Bitstring_utils.ml | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/checklink/Bitstring_utils.ml b/checklink/Bitstring_utils.ml index 2253b63f..3218f898 100644 --- a/checklink/Bitstring_utils.ml +++ b/checklink/Bitstring_utils.ml @@ -9,6 +9,13 @@ type bitstring = Bitstring.bitstring 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 @@ -23,3 +30,4 @@ let rec is_zeros (bs: bitstring) (size: int): bool = | { 0L : size : int } -> true | { _ } -> false ) +*) |