* README.C4X: Updated URLs. * config/c4x/c4x.c (c4x_address_conflict): Fix typo. (valid_parallel_operands_5): Remove unused variable. From-SVN: r23897
* README.C4X: New file with information about the c4x ports. * ginclude/va-c4x.h: New file for c4x varargs support. * config/c4x: New directory with c4x port files. From-SVN: r22475