Re: [Patch RFC] Modify excess precision logic to permit FLT_EVAL_METHOD=16

2016-09-07 Thread Joseph Myers
On Tue, 6 Sep 2016, James Greenhalgh wrote: > In c-family/c-cppbuiltin.c I've updated cpp_iec_559_value such that also > allow setting __GEC_IEC_559 if FLT_EVAL_METHOD=16, and I've updated > c_cpp_builtins to handle the new value, and use the new enum names. I think the special cases in this patc

Re: [Patch RFC] Modify excess precision logic to permit FLT_EVAL_METHOD=16

2016-09-07 Thread Joseph Myers
On Wed, 7 Sep 2016, Joseph Myers wrote: > How about instead having more than one target macro / hook. One would > indicate that excess precision is used by insn patterns (and be set only > for i386 and m68k). Another would indicate the API-level excess precision Or, maybe there would be a si