Update mips -march documentation

[Richard Sandiford]

This patch documents the new -march=rm[79]000 options and adds some
other missing architectures.  Installed as obvious.

Richard


	* doc/invoke.texi: Resync MIPS -march documentation.

Index: doc/invoke.texi
===================================================================
RCS file: /cvs/gcc/gcc/gcc/doc/invoke.texi,v
retrieving revision 1.318
diff -c -d -p -F^\([(a-zA-Z0-9_]\|#define\) -r1.318 invoke.texi
*** doc/invoke.texi	12 Jul 2003 01:07:40 -0000	1.318
--- doc/invoke.texi	15 Jul 2003 08:55:23 -0000
*************** The processor names are:
*** 7790,7799 ****
  @samp{4kc}, @samp{4kp}, @samp{5kc}, @samp{20kc},
  @samp{m4k},
  @samp{r2000}, @samp{r3000}, @samp{r3900}, @samp{r4000}, @samp{r4400},
! @samp{r4600}, @samp{r4650}, @samp{r6000}, @samp{r8000},
  @samp{orion},
  @samp{sb1},
! @samp{vr4100}, @samp{vr4300}, and @samp{vr5000}.
  The special value @samp{from-abi} selects the
  most compatible architecture for the selected ABI (that is,
  @samp{mips1} for 32-bit ABIs and @samp{mips3} for 64-bit ABIs)@.
--- 7790,7801 ----
  @samp{4kc}, @samp{4kp}, @samp{5kc}, @samp{20kc},
  @samp{m4k},
  @samp{r2000}, @samp{r3000}, @samp{r3900}, @samp{r4000}, @samp{r4400},
! @samp{r4600}, @samp{r4650}, @samp{r6000}, @samp{r8000}, @samp{rm7000},
! @samp{rm9000},
  @samp{orion},
  @samp{sb1},
! @samp{vr4100}, @samp{vr4111}, @samp{vr4120}, @samp{vr4300},
! @samp{vr5000}, @samp{vr5400} and @samp{vr5500}.
  The special value @samp{from-abi} selects the
  most compatible architecture for the selected ABI (that is,
  @samp{mips1} for 32-bit ABIs and @samp{mips3} for 64-bit ABIs)@.