regmove fixups vs pseudos

[DJ Delorie]

Any reason why we blindly assume destination registers will be hard
registers here?

Index: regmove.c
===================================================================
RCS file: /cvs/gcc/gcc/gcc/regmove.c,v
retrieving revision 1.173
diff -p -U3 -r1.173 regmove.c
--- regmove.c   25 Aug 2005 06:44:09 -0000      1.173
+++ regmove.c   14 Sep 2005 00:27:34 -0000
@@ -1020,7 +1020,8 @@ fixup_match_2 (rtx insn, rtx dst, rtx sr
          if (REG_N_CALLS_CROSSED (REGNO (src)) == 0)
            break;
 
-         if (call_used_regs [REGNO (dst)]
+         if ((REGNO(dst) < FIRST_PSEUDO_REGISTER
+              && call_used_regs [REGNO (dst)])
              || find_reg_fusage (p, CLOBBER, dst))
            break;
        }