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-rw-r--r--checklink/Check.ml7
1 files changed, 5 insertions, 2 deletions
diff --git a/checklink/Check.ml b/checklink/Check.ml
index 7dcdc83..9282f5e 100644
--- a/checklink/Check.ml
+++ b/checklink/Check.ml
@@ -318,8 +318,11 @@ let match_ints: int -> int -> f_framework -> f_framework =
check_eq "match_ints"
let match_int32s: int32 -> int32 -> f_framework -> f_framework =
check_eq "match_int32s"
-let match_floats: float -> float -> f_framework -> f_framework =
- check_eq "match_floats"
+(** We compare floats by their bit representation, so that 0.0 and -0.0 are
+ different. *)
+let match_floats (a: float) (b: float): f_framework -> f_framework =
+ check_eq "match_floats" (Int64.bits_of_float a) (Int64.bits_of_float b)
+
let match_crbits cb eb = check_eq "match_crbits" cb (crbit_arr.(eb))
let match_iregs cr er = check_eq "match_iregs" cr (ireg_arr.(er))
let match_fregs cr er = check_eq "match_fregs" cr (freg_arr.(er))