* c-lex.c (interpret_fixed): Declare.
(interpret_float): Process _Fract and _Accum.
(interpret_fixed): New function.
* final.c (output_addr_const): Process CONST_FIXED.
* simplify-rtx.c (simplify_const_unary_operation): Handle US_NEG.
(simplify_binary_operation_1): Handle US_ASHIFT, SS_MULT, US_MULT,
SS_DIV, US_DIV.
(simplify_const_binary_operation): Handle SS_MULT, US_MULT, SS_DIV,
US_DIV, US_ASHIFT.
(simplify_immed_subreg): Support CONST_FIXED.
Process MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM.
(simplify_subreg): Support CONST_FIXED.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@127941
138bc75d-0d04-0410-961f-
82ee72b054a4