> -----Original Message----- > From: Richard Biener [mailto:richard.guent...@gmail.com] > Sent: 03 September 2013 12:55 > To: Paulo Matos > Cc: gcc@gcc.gnu.org > Subject: Re: Why DECL_BUILT_IN and DECL_IS_BUILTIN? > > DECL_IS_BUILTIN is true if the decl was created by the frontend / backend > rather than by user code (indicated by source location). DECL_BUILT_IN > is true if the decl represents a function of the standard library, a > builtin that is > recognized by optimization / expansion. User declared prototypes of > C library functions are not DECL_IS_BUILTIN but may be DECL_BUILT_IN. > > Richard. >
Thanks for the explanation. Cheers.
