2004-10-30 Andrew Cagney <cagney@gnu.org>
+ * mips-tdep.h: Add comments on registers.
+ (MIPS_UNUSED_REGNUM): Define.
+ * config/mips/tm-mips.h (ZERO_REGNUM, UNUSED_REGNUM)
+ (T9_REGNUM, V0_REGNUM, A0_REGNUM): Delete.
+ * irix5-nat.c, mipsv4-nat.c, mips-linux-tdep.c: Update.
+ * mips-linux-nat.c, remote-mips.c: Update.
+
* config/mips/tm-mips.h (t_insn): Delete.
* mips-tdep.c (mips_fetch_instruction, mips_skip_trampoline_code):
Replace t_insn with ULONGEST.