diff --git a/clang/docs/ReleaseNotes.rst b/clang/docs/ReleaseNotes.rst --- a/clang/docs/ReleaseNotes.rst +++ b/clang/docs/ReleaseNotes.rst @@ -243,6 +243,9 @@ -ffp-contract=fast, whereas the (now corrected) default behavior is -ffp-contract=on. -ffp-model=precise is now exactly the default mode of the compiler. +- -fstrict-float-cast-overflow no longer has target specific behavior. Clang + will saturate towards the smallest and largest representable integer values. + NaNs will be converted to zero. Internal API Changes -------------------- diff --git a/clang/docs/UsersManual.rst b/clang/docs/UsersManual.rst --- a/clang/docs/UsersManual.rst +++ b/clang/docs/UsersManual.rst @@ -1380,8 +1380,8 @@ When a floating-point value is not representable in a destination integer type, the code has undefined behavior according to the language standard. By default, Clang will not guarantee any particular result in that case. - With the 'no-strict' option, Clang attempts to match the overflowing behavior - of the target's native float-to-int conversion instructions. + With the 'no-strict' option, Clang will saturate towards the smallest and + largest representable integer values instead. NaNs will be converted to zero. .. _opt_fmath-errno: