nios2.md (UNSPEC_ROUND): New.
2014-04-22 Sandra Loosemore <sandra@codesourcery.com>
gcc/
* config/nios2/nios2.md (UNSPEC_ROUND): New.
(lroundsfsi2): New.
* config/nios2/nios2.opt (mno-custom-round, mcustom-round=): New.
* config/nios2/nios2-opts.h (N2FPU_ALL_CODES): Add round.
* config/nios2/nios2.c (N2F_NO_ERRNO): Define.
(nios2_fpu_insn): Add entry for round.
(N2FPU_NO_ERRNO_P): Define.
(nios2_custom_check_insns): Add check for N2F_NO_ERRNO and
flag_errno_math.
* doc/invoke.texi (Nios II Options): Document -mcustom-round.
gcc/testsuite/
* gcc.target/nios2/custom-fp-conversion.c: Adjust to test that
lroundf generates custom round instruction, too.
From-SVN: r209670