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| -rw-r--r-- | manual/arith.texi | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/manual/arith.texi b/manual/arith.texi index fa7110e992..be24c20493 100644 --- a/manual/arith.texi +++ b/manual/arith.texi @@ -1176,6 +1176,12 @@ enabled, the status of the other exceptions is not changed. The function returns the previous enabled exceptions in case the operation was successful, @code{-1} otherwise. + +Note: Enabling traps for an exception for which the exception flag is +currently already set (@pxref{Status bit operations}) has unspecified +consequences: it may or may not trigger a trap immediately. +@c It triggers a trap immediately on powerpc*, at the next floating- +@c instruction on i386, and not at all on the other CPUs. @end deftypefun @deftypefun int fedisableexcept (int @var{excepts}) |