* doc/md.texi: Update documentation of MIPS constraints.
* config/mips/constraints.md: New file.
* config/mips/mips.md: Include it.
* config/mips/mips.c (mips_char_to_class): Delete.
(override_options): Don't initialize mips_char_to_class.
* config/mips/mips.h (mips_char_to_class): Delete.
(REG_CLASS_FROM_LETTER): Delete.
(CONST_OK_FOR_LETTER_P): Delete.
(CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
(EXTRA_CONSTRAINT_Y): Delete.
(EXTRA_CONSTRAINT_STR): Delete.
(CONSTRAINT_LEN): Delete.
(EXTRA_MEMORY_CONSTRAINT): Delete.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@111868
138bc75d-0d04-0410-961f-
82ee72b054a4