* doc/invoke.texi (SPARC Options): Document -mfix-ut699.
* builtins.c (expand_builtin_mathfn) <BUILT_IN_SQRT>: Try to widen the
mode if the instruction isn't available in the original mode.
* config/sparc/sparc.opt (mfix-ut699): New option.
* config/sparc/sparc.md (muldf3_extend): Disable if -mfix-ut699.
(divdf3): Turn into expander.
(divdf3_nofix): New insn.
(divdf3_fix): Likewise.
(divsf3): Disable if -mfix-ut699.
(sqrtdf2): Turn into expander.
(sqrtdf2_nofix): New insn.
(sqrtdf2_fix): Likewise.
(sqrtsf2): Disable if -mfix-ut699.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@199366 138bc75d-0d04-0410-961f-82ee72b054a4