Fu, Chao-Ying wrote: > Right now, the fixed-point support is a configure-time option. > Each target can decide to support it or not. I think there is no > harm to enable for every target. But, each target needs to modify > tm.h tm.c tm-modes.def to set or change some target macros.
I would suggest making it a configure-time option, and eliminating the target hook. Then, people can turn it on when they want. If they try to turn it on for a target that doesn't have the necessary support, the compiler will break, and they can fix it. > It's hard to pick up a name. Maybe we will change it to > the following as Nigel suggested. > > /* Conversions involving fractional fixed point types without > saturation, including: > fractional to fractional (of different precision), > signed integer to fractional, > fractional to signed integer, > floating point to fractional, > fractional to floating point. */ > DEF_RTL_EXPR(FRACT_CONVERT, "fract_convert", "e", RTX_UNARY) Yes, I think that's better. Thanks! -- Mark Mitchell CodeSourcery [EMAIL PROTECTED] (650) 331-3385 x713
