* config/mn10300/mn10300.c (print_operand): Use gcc_assert and

	gcc_unreachable as appropriate.
	(print_operand_address, mn10300_print_reg_list, expand_prologue,
	expand_epilogue, notice_update_cc, initial_offset,
	mn10300_address_cost_1): Likewise.
	* config/mn10300/mn10300.md: Likewise.
	(absdf2, abssf2, negdf2, negsf2): Likewise.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@99382 138bc75d-0d04-0410-961f-82ee72b054a4

3 files changed, 44 insertions, 43 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 75d006493cb..38bc458b182 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,13 @@
+2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
+
+	* config/mn10300/mn10300.c (print_operand): Use gcc_assert and
+	gcc_unreachable as appropriate.
+	(print_operand_address, mn10300_print_reg_list, expand_prologue,
+	expand_epilogue, notice_update_cc, initial_offset,
+	mn10300_address_cost_1): Likewise.
+	* config/mn10300/mn10300.md: Likewise.
+	(absdf2, abssf2, negdf2, negsf2): Likewise.
+
 2005-05-08  Richard Sandiford  <rsandifo@redhat.com>
 
 	PR target/21416
diff --git a/gcc/config/mn10300/mn10300.c b/gcc/config/mn10300/mn10300.c
index a552b8be55d..2c36223dcfc 100644
--- a/gcc/config/mn10300/mn10300.c
+++ b/gcc/config/mn10300/mn10300.c
@@ -220,7 +220,7 @@ print_operand (FILE *file, rtx x, int code)
 		fprintf (file, "ul");
 		break;
 	      default:
-		abort ();
+		gcc_unreachable ();
 	      }
 	    break;
 	  }
@@ -258,7 +258,7 @@ print_operand (FILE *file, rtx x, int code)
 	    fprintf (file, "cs");
 	    break;
 	  default:
-	    abort ();
+	    gcc_unreachable ();
 	  }
 	break;
       case 'C':
@@ -289,7 +289,7 @@ print_operand (FILE *file, rtx x, int code)
 	    break;
 
 	  default:
-	    abort ();
+	    gcc_unreachable ();
 	  }
 	break;
 
@@ -348,7 +348,7 @@ print_operand (FILE *file, rtx x, int code)
 	    }
 
 	  default:
-	    abort ();
+	    gcc_unreachable ();
 	  }
 	break;
 
@@ -384,7 +384,7 @@ print_operand (FILE *file, rtx x, int code)
 		      fprintf (file, "0x%lx", val[1]);
 		      break;;
 		    case SFmode:
-		      abort ();
+		      gcc_unreachable ();
 		    case VOIDmode:
 		    case DImode:
 		      print_operand_address (file, 
@@ -405,7 +405,7 @@ print_operand (FILE *file, rtx x, int code)
 	    }
 
 	  default:
-	    abort ();
+	    gcc_unreachable ();
 	  }
 	break;
 
@@ -419,14 +419,12 @@ print_operand (FILE *file, rtx x, int code)
 	break;
 
       case 'N':
-	if (INTVAL (x) < -128 || INTVAL (x) > 255)
-	  abort ();
+	gcc_assert (INTVAL (x) >= -128 && INTVAL (x) <= 255);
 	fprintf (file, "%d", (int)((~INTVAL (x)) & 0xff));
 	break;
 
       case 'U':
-	if (INTVAL (x) < -128 || INTVAL (x) > 255)
-	  abort ();
+	gcc_assert (INTVAL (x) >= -128 && INTVAL (x) <= 255);
 	fprintf (file, "%d", (int)(INTVAL (x) & 0xff));
 	break;
 
@@ -484,7 +482,7 @@ print_operand (FILE *file, rtx x, int code)
 	    print_operand_address (file, x);
 	    break;
 	  default:
-	    abort ();
+	    gcc_unreachable ();
 	  }
 	break;
    }
@@ -514,7 +512,7 @@ print_operand_address (FILE *file, rtx addr)
 	    && REG_OK_FOR_BASE_P (XEXP (addr, 1)))
 	  base = XEXP (addr, 1), index = XEXP (addr, 0);
       	else
-	  abort ();
+	  gcc_unreachable ();
 	print_operand (file, index, 0);
 	fputc (',', file);
 	print_operand (file, base, 0);;
@@ -571,8 +569,7 @@ mn10300_print_reg_list (FILE *file, int mask)
 
   if ((mask & 0x3c000) != 0)
     {
-      if ((mask & 0x3c000) != 0x3c000)
-	abort();
+      gcc_assert ((mask & 0x3c000) == 0x3c000);
       if (need_comma)
 	fputc (',', file);
       fputs ("exreg1", file);
@@ -883,7 +880,7 @@ expand_prologue (void)
 	  break;
 
 	default:
-	  abort ();
+	  gcc_unreachable ();
 	}
 	  
       /* Now prepare register a0, if we have decided to use it.  */
@@ -905,7 +902,7 @@ expand_prologue (void)
 	  break;
 	  
 	default:
-	  abort ();
+	  gcc_unreachable ();
 	}
       
       /* Now actually save the FP registers.  */
@@ -1121,7 +1118,7 @@ expand_epilogue (void)
 	      break;
 
 	    default:
-	      abort ();
+	      gcc_unreachable ();
 	    }
 	}
 
@@ -1252,7 +1249,7 @@ notice_update_cc (rtx body, rtx insn)
       break;
 
     default:
-      abort ();
+      gcc_unreachable ();
     }
 }
 
@@ -1443,7 +1440,7 @@ initial_offset (int from, int to)
 	    + (current_function_outgoing_args_size
 	       ? current_function_outgoing_args_size + 4 : 0)); 
 
-  abort ();
+  gcc_unreachable ();
 }
 
 /* Worker function for TARGET_RETURN_IN_MEMORY.  */
@@ -1936,7 +1933,7 @@ mn10300_address_cost_1 (rtx x, int *unsig)
 	  return 5;
 
 	default:
-	  abort ();
+	  gcc_unreachable ();
 	}
 
     case PLUS:
@@ -1973,7 +1970,7 @@ mn10300_address_cost_1 (rtx x, int *unsig)
       return 8;
 
     default:
-      abort ();
+      gcc_unreachable ();
 
     }
 }
diff --git a/gcc/config/mn10300/mn10300.md b/gcc/config/mn10300/mn10300.md
index 0d51857a199..7dc94998885 100644
--- a/gcc/config/mn10300/mn10300.md
+++ b/gcc/config/mn10300/mn10300.md
@@ -109,7 +109,7 @@
     case 6:
       return \"fmov %1,%0\";
     default:
-      abort ();
+      gcc_unreachable ();
     }
 }"
   [(set_attr "cc" "none,clobber,none_0hit,none_0hit,none_0hit,none_0hit,none_0hit")])
@@ -142,7 +142,7 @@
     case 4:
       return \"movbu %1,%0\";
     default:
-      abort ();
+      gcc_unreachable ();
     }
 }"
   [(set_attr "cc" "none,clobber,none_0hit,none_0hit,none_0hit")])
@@ -202,7 +202,7 @@
     case 6:
       return \"fmov %1,%0\";
     default:
-      abort ();
+      gcc_unreachable ();
     }
 }"
   [(set_attr "cc" "none,clobber,none_0hit,none_0hit,none_0hit,none_0hit,none_0hit")])
@@ -234,7 +234,7 @@
     case 4:
       return \"movhu %1,%0\";
     default:
-      abort ();
+      gcc_unreachable ();
     }
 }"
   [(set_attr "cc" "none,clobber,none_0hit,none_0hit,none_0hit")])
@@ -378,7 +378,7 @@
     case 16:
       return \"fmov %1,%0\";
     default:
-      abort ();
+      gcc_unreachable ();
     }
 }"
   [(set_attr "cc" "none,none,clobber,none_0hit,none_0hit,none_0hit,none_0hit,none_0hit,none_0hit,none_0hit,none_0hit,none_0hit,none_0hit,none_0hit,none,none_0hit,none_0hit")])
@@ -428,7 +428,7 @@
 	}
       return \"mov %1,%0\";
     default:
-      abort ();
+      gcc_unreachable ();
     }
 }"
   [(set_attr "cc" "none,none,none,clobber,none_0hit,none_0hit,none_0hit,none_0hit,none_0hit")])
@@ -509,8 +509,7 @@
 	    while (GET_CODE (temp) == SUBREG)
 	      temp = SUBREG_REG (temp);
 
-	    if (GET_CODE (temp) != REG)
-	      abort ();
+	    gcc_assert (GET_CODE (temp) == REG);
 
 	    if (reg_overlap_mentioned_p (gen_rtx_REG (SImode, REGNO (temp)),
 					 XEXP (operands[1], 0)))
@@ -598,7 +597,7 @@
 	else
           return \"fmov %L1, %L0\;fmov %H1, %H0\";
     default:
-      abort ();
+      gcc_unreachable ();
     }
 }"
   [(set (attr "cc")
@@ -721,8 +720,7 @@
 	    while (GET_CODE (temp) == SUBREG)
 	      temp = SUBREG_REG (temp);
 
-	    if (GET_CODE (temp) != REG)
-	      abort ();
+	    gcc_assert (GET_CODE (temp) == REG);
 
 	    if (reg_overlap_mentioned_p (gen_rtx_REG (SImode, REGNO (temp)),
 					 XEXP (operands[1], 0)))
@@ -790,7 +788,7 @@
 	    return \"\";
 	  }
     default:
-      abort ();
+      gcc_unreachable ();
     }
 }"
   [(set (attr "cc")
@@ -971,7 +969,7 @@
       return \"mov %2,%0\;add %1,%0\";
       }
     default:
-      abort ();
+      gcc_unreachable ();
     }
 }"
   [(set_attr "cc" "set_zn,none_0hit,set_zn,none_0hit,set_zn,none_0hit,set_zn")])
@@ -1013,7 +1011,7 @@
 	return \"mov %1,%0\;add %2,%0\";
       return \"mov %2,%0\;add %1,%0\";
     default:
-      abort ();
+      gcc_unreachable ();
     }
 }"
   [(set_attr "cc" "set_zn,none_0hit,none_0hit,set_zn,none_0hit,set_zn")])
@@ -2187,8 +2185,7 @@
 			 operand_subword_force (operands[1], 1, DFmode),
 			 GEN_INT (0x7fffffff), target, 0, OPTAB_WIDEN);
 
-  if (result == 0)
-    abort ();
+  gcc_assert (result);
 
   if (result != target)
     emit_move_insn (result, target);
@@ -2222,8 +2219,7 @@
   result = expand_binop (SImode, and_optab,
 			 operand_subword_force (operands[1], 0, SFmode),
 			 GEN_INT (0x7fffffff), target, 0, OPTAB_WIDEN);
-  if (result == 0)
-    abort ();
+  gcc_assert (result);
 
   if (result != target)
     emit_move_insn (result, target);
@@ -2258,8 +2254,7 @@
 			 GEN_INT (trunc_int_for_mode (0x80000000, SImode)),
 			 target, 0, OPTAB_WIDEN);
 
-  if (result == 0)
-    abort ();
+  gcc_assert (result);
 
   if (result != target)
     emit_move_insn (result, target);
@@ -2294,8 +2289,7 @@
 			 operand_subword_force (operands[1], 0, SFmode),
 			 GEN_INT (trunc_int_for_mode (0x80000000, SImode)),
 			 target, 0, OPTAB_WIDEN);
-  if (result == 0)
-    abort ();
+  gcc_assert (result);
 
   if (result != target)
     emit_move_insn (result, target);