Hi, On Fri, Aug 23 2019, Tejas Joshi wrote: > Hi, > This is a full patch for the roundeven variants along with > documentation and additional testcases. The following code also > conforms to GNU's coding standards. > > Thanks, > Tejas > > 2019-08-22 Tejas Joshi <tejasjoshi9...@gmail.com> > Martin Jambor <mjam...@suse.cz> > > * builtins.c (mathfn_built_in_2): Added CASE_MATHFN for ROUNDEVEN. > * builtins.def: Added function definitions for roundeven function > variants. > * fold-const-call.c (fold_const_call_ss): Added case for roundeven > function call. > * fold-const.c (negate_mathfn_p): Added case for roundeven function. > (tree_call_nonnegative_warnv_p): Added case for roundeven function. > (integer_valued_real_call_p): Added case for roundeven function. > * real.c (is_even): New function. Returns true if real number is even, > otherwise returns false. > (is_halfway_below): New function. Returns true if real number is > halfway between two integers, else return false. > (real_roundeven): New function. Round real number to nearest integer, > rounding halfway cases towards even. > * real.h (real_value): Added descriptive comments. Added function > declaration for roundeven function. > * doc/extend.texi (Other Builtins): List roundeven variants among > functions which can be handled as builtins. > > gcc/testsuite/ChangeLog: > > 2019-08-21 Tejas Joshi <tejasjoshi9...@gmail.com> > > * gcc.dg/torture/builtin-round-roundeven.c: New test. > * gcc.dg/torture/builtin-round-roundevenf128.c: New test.
For the record, I bootstrapped and tested the patch on an x86_64-linux and it passes both fine. Joseph, please have a look and hopefully this is the version that I can commit? Thanks, Martin
