On Mon, Jan 16, 2012, Kostik Belousov wrote: > On Sun, Jan 15, 2012 at 11:11:43PM -0500, David Schultz wrote: > > On Mon, Jan 16, 2012, David Schultz wrote: > > > Author: das > > > Date: Mon Jan 16 04:08:29 2012 > > > New Revision: 230191 > > > URL: http://svn.freebsd.org/changeset/base/230191 > > > > > > Log: > > > Implement FLT_ROUNDS for arm. Some (all?) arm FPUs lack support for > > > dynamic rounding modes, but FPUless chips that use softfloat can > > > support it > > > because everything is emulated anyway. (We presently have incomplete > > > support for hardware FPUs.) > > > > > > Submitted by: Ian Lepore > > > > Incidentally, all of gcc's hooks into softfloat should probably be in > > the public symbol namespace instead of FBSDprivate. The compiler generates > > references to them, so we cannot claim that they are internal, unsupported > > interfaces. I assume that moving them will not break the ABI because > > FreeBSDprivate includes FBSD_X, but I haven't tested this. Any objections > > to moving them? Affects arm and mips. > > Move will break the ABI. Namespace inheritance is ignored when searching > the symbol match. > > On the other hand. FBSDprivate_1.0 is explicitely created to be changed, > so removal of the symbols from this namespace if fine from the POV of > the project policy. > > Another argument is that both MIPS and ARM are the second-tier architectures, > and again, project policy allows ABI breakage.
Right; it was more a question of whether it would cause anyone undue inconvenience. Actually, before we call them officially supported, another question is why all of the symbols related to floating-point emulation are coming from libc and not libgcc. _______________________________________________ svn-src-head@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
