diff --git a/clang/include/clang/Driver/Options.td b/clang/include/clang/Driver/Options.td --- a/clang/include/clang/Driver/Options.td +++ b/clang/include/clang/Driver/Options.td @@ -1147,7 +1147,8 @@ def fno_trapping_math : Flag<["-"], "fno-trapping-math">, Group, Flags<[CC1Option]>; def ffp_contract : Joined<["-"], "ffp-contract=">, Group, Flags<[CC1Option]>, HelpText<"Form fused FP ops (e.g. FMAs): fast (everywhere)" - " | on (according to FP_CONTRACT pragma, default) | off (never fuse)">, Values<"fast,on,off">; + " | on (according to FP_CONTRACT pragma) | off (never fuse). Default" + " is 'fast' for CUDA/HIP and 'on' otherwise.">, Values<"fast,on,off">; def fstrict_float_cast_overflow : Flag<["-"], "fstrict-float-cast-overflow">, Group, Flags<[CC1Option]>,