* config/rs6000/predicates.md (reg_or_add_cint_operand,
       reg_or_sub_cint_operand): Delete "HOST_BITS_PER_WIDE_INT == 32" case.
       (reg_or_logical_cint_operand, easy_fp_constant,
       logical_const_operand): Delete "CONST_DOUBLE" case.
       * config/rs6000/rs6000.c (num_insns_constant_wide): Delete
       "HOST_BITS_PER_WIDE_INT == 64" test.
       (num_insns_constant): Ditto.  Delete CONST_DOUBLE DImode/VOIDmode
       case.
       (build_mask64_2_operands): Delete "HOST_BITS_PER_WIDE_INT >= 64" test.
       (rs6000_emit_set_const): Delete CONST_DOUBLE case.
       (rs6000_emit_set_long_const): Delete "HOST_BITS_PER_WIDE_INT >= 64"
       test.
       (includes_rldic_lshift_p, includes_rldicr_lshift_p): Delete
       CONST_DOUBLE DImode/VOIDmode case.
       (INT_P, INT_LOWPART): Delete CONST_DOUBLE case.
       (print_operand): Delete "HOST_BITS_PER_WIDE_INT == 32" case.  Delete
       CONST_DOUBLE VOIDmode case.
       (output_toc): Delete "HOST_BITS_PER_WIDE_INT == 32" case.
       (rs6000_rtx_costs): Delete CONST_DOUBLE DImode/VOIDmode case.
       * config/rs6000/rs6000.md (iordi3, xordi3, splitter for these):
       Delete CONST_DOUBLE case.
       (splitters for mov FMOVE64 const_double): Delete
       "HOST_BITS_PER_WIDE_INT == 32" case.  Delete
       "HOST_BITS_PER_WIDE_INT >= 64" test.
       (splitter for mov DI const_int): Delete "HOST_BITS_PER_WIDE_INT == 32"
       case.
       (mov DI const_double): Delete.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@198601 138bc75d-0d04-0410-961f-82ee72b054a4
        * config/rs6000/rs6000.c (INT_P): Reformat.  Delete obsolete comment.
        (INT_LOWPART): Delete.
        (extract_MB): Adjust.
        (extract_ME): Adjust.
        (print_operand): Adjust.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@198602 138bc75d-0d04-0410-961f-82ee72b054a4
        * runtime/environ.c: Include unistd.h.
        * runtime/pause.c: Test HAVE_UNISTD_H.
        * runtime/stop.c: Same.
        * io/open.c: Same.
        * io/unix.c: Same.
        * io/read.c (si_max): Protect declaration of value.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@198603 138bc75d-0d04-0410-961f-82ee72b054a4