X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Fregmove.c;h=454c97741e392160cb436e71ab32421fc66cfe87;hb=d4107d7c17c6f69e7ff93546e24d1490757cf49a;hp=48a583fa2158f3ed826789e3946a75d464f0306a;hpb=a5af08d26ce1678e462f91bb3fb9336e30d02ca8;p=pf3gnuchains%2Fgcc-fork.git

diff --git a/gcc/regmove.c b/gcc/regmove.c
index 48a583fa215..454c97741e3 100644
--- a/gcc/regmove.c
+++ b/gcc/regmove.c
@@ -548,8 +548,7 @@ optimize_reg_copy_3 (rtx insn, rtx dest, rtx src)
   /* Do not use a SUBREG to truncate from one mode to another if truncation
      is not a nop.  */
   if (GET_MODE_BITSIZE (GET_MODE (src_reg)) <= GET_MODE_BITSIZE (GET_MODE (src))
-      && !TRULY_NOOP_TRUNCATION (GET_MODE_BITSIZE (GET_MODE (src)),
-				 GET_MODE_BITSIZE (GET_MODE (src_reg))))
+      && !TRULY_NOOP_TRUNCATION_MODES_P (GET_MODE (src), GET_MODE (src_reg)))
     return;
 
   set_insn = p;
@@ -860,7 +859,7 @@ fixup_match_2 (rtx insn, rtx dst, rtx src, rtx offset)
 	  if (REG_N_CALLS_CROSSED (REGNO (src)) == 0)
 	    break;
 
-	  if (call_used_regs [REGNO (dst)]
+	  if ((HARD_REGISTER_P (dst) && call_used_regs [REGNO (dst)])
 	      || find_reg_fusage (p, CLOBBER, dst))
 	    break;
 	}
@@ -1236,12 +1235,12 @@ regmove_optimize (void)
   df_note_add_problem ();
   df_analyze ();
 
-  if (flag_ira_loop_pressure)
-    ira_set_pseudo_classes (dump_file);
-
   regstat_init_n_sets_and_refs ();
   regstat_compute_ri ();
 
+  if (flag_ira_loop_pressure)
+    ira_set_pseudo_classes (dump_file);
+
   regno_src_regno = XNEWVEC (int, nregs);
   for (i = nregs; --i >= 0; )
     regno_src_regno[i] = -1;
@@ -1382,7 +1381,6 @@ struct rtl_opt_pass pass_regmove =
   0,                                    /* properties_destroyed */
   0,                                    /* todo_flags_start */
   TODO_df_finish | TODO_verify_rtl_sharing |
-  TODO_dump_func |
   TODO_ggc_collect                      /* todo_flags_finish */
  }
 };