sh.c (prepare_cbranch_operands): Use LAST_AND_UNUSED_RTX_CODE instead of CODE_FOR_nothing.

	* config/sh/sh.c (prepare_cbranch_operands): Use
	LAST_AND_UNUSED_RTX_CODE instead of CODE_FOR_nothing.
	(expand_cbranchdi4): Likewise.
	(from_compare): Add cast to enum type.
	(expand_cbranchsi4): Use add_reg_note.
	(output_stack_adjust, push, pop, sh_expand_prologue): Likewise.
	(sh_insn_length_adjustment): Use sh_cpu_attr instead of sh_cpu.
	(sh_initialize_trampoline): Change 0 to LCT_NORMAL in function call.
	(sh_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
	* config/sh/sh.md (cbranchsi4): Use LAST_AND_UNUSED_RTX_CODE
	instead of CODE_FOR_nothing.
	(cbranchdi4): Likewise.  Fix the order of arguments for
	gen_rtx_fmt_ee.
	(push_fpscr): Use add_reg_note.
	(pop_fpscr, movdf_i4+1, reload_outdf__RnFRm+3, reload_outdf__RnFRm+4,
	reload_outdf__RnFRm+5, fpu_switch+1, fpu_switch+2): Likewise.

From-SVN: r146539

gcc/ChangeLog

+2009-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
+
+	* config/sh/sh.c (prepare_cbranch_operands): Use
+	LAST_AND_UNUSED_RTX_CODE instead of CODE_FOR_nothing.
+	(expand_cbranchdi4): Likewise.
+	(from_compare): Add cast to enum type.
+	(expand_cbranchsi4): Use add_reg_note.
+	(output_stack_adjust, push, pop, sh_expand_prologue): Likewise.
+	(sh_insn_length_adjustment): Use sh_cpu_attr instead of sh_cpu.
+	(sh_initialize_trampoline): Change 0 to LCT_NORMAL in function call.
+	(sh_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
+	* config/sh/sh.md (cbranchsi4): Use LAST_AND_UNUSED_RTX_CODE
+	instead of CODE_FOR_nothing.
+	(cbranchdi4): Likewise.  Fix the order of arguments for
+	gen_rtx_fmt_ee.
+	(push_fpscr): Use add_reg_note.
+	(pop_fpscr, movdf_i4+1, reload_outdf__RnFRm+3, reload_outdf__RnFRm+4,
+	reload_outdf__RnFRm+5, fpu_switch+1, fpu_switch+2): Likewise.
+	
 2009-04-21  Joseph Myers  <joseph@codesourcery.com>
 
 	* ABOUT-GCC-NLS, ChangeLog, ChangeLog-1997, ChangeLog-1998,

gcc/config/sh/sh.c

@@ -1378,7 +1378,7 @@ prepare_cbranch_operands (rtx *operands, enum machine_mode mode,
   rtx op1;
   rtx scratch = NULL_RTX;
 
-  if (comparison == CODE_FOR_nothing)
+  if (comparison == LAST_AND_UNUSED_RTX_CODE)
     comparison = GET_CODE (operands[0]);
   else
     scratch = operands[4];
@@ -1478,9 +1478,7 @@ expand_cbranchsi4 (rtx *operands, enum rtx_code comparison, int probability)
                                           operands[1], operands[2])));
   jump = emit_jump_insn (branch_expander (operands[3]));
   if (probability >= 0)
-    REG_NOTES (jump)
-      = gen_rtx_EXPR_LIST (REG_BR_PROB, GEN_INT (probability),
-                           REG_NOTES (jump));
+    add_reg_note (jump, REG_BR_PROB, GEN_INT (probability));
 
 }
 
@@ -1518,7 +1516,7 @@ expand_cbranchdi4 (rtx *operands, enum rtx_code comparison)
   op2h = gen_highpart_mode (SImode, DImode, operands[2]);
   op1l = gen_lowpart (SImode, operands[1]);
   op2l = gen_lowpart (SImode, operands[2]);
-  msw_taken = msw_skip = lsw_taken = CODE_FOR_nothing;
+  msw_taken = msw_skip = lsw_taken = LAST_AND_UNUSED_RTX_CODE;
   prob = split_branch_probability;
   rev_prob = REG_BR_PROB_BASE - prob;
   switch (comparison)
@@ -1609,9 +1607,9 @@ expand_cbranchdi4 (rtx *operands, enum rtx_code comparison)
       break;
     default: return false;
     }
-  num_branches = ((msw_taken != CODE_FOR_nothing)
-		  + (msw_skip != CODE_FOR_nothing)
-		  + (lsw_taken != CODE_FOR_nothing));
+  num_branches = ((msw_taken != LAST_AND_UNUSED_RTX_CODE)
+		  + (msw_skip != LAST_AND_UNUSED_RTX_CODE)
+		  + (lsw_taken != LAST_AND_UNUSED_RTX_CODE));
   if (comparison != EQ && comparison != NE && num_branches > 1)
     {
       if (!CONSTANT_P (operands[2])
@@ -1637,20 +1635,21 @@ expand_cbranchdi4 (rtx *operands, enum rtx_code comparison)
   operands[4] = NULL_RTX;
   if (reload_completed
       && ! arith_reg_or_0_operand (op2h, SImode) && true_regnum (op1h)
-      && (msw_taken != CODE_FOR_nothing || msw_skip != CODE_FOR_nothing))
+      && (msw_taken != LAST_AND_UNUSED_RTX_CODE
+	  || msw_skip != LAST_AND_UNUSED_RTX_CODE))
     {
       emit_move_insn (scratch, operands[2]);
       operands[2] = scratch;
     }
-  if (msw_taken != CODE_FOR_nothing)
+  if (msw_taken != LAST_AND_UNUSED_RTX_CODE)
     expand_cbranchsi4 (operands, msw_taken, msw_taken_prob);
-  if (msw_skip != CODE_FOR_nothing)
+  if (msw_skip != LAST_AND_UNUSED_RTX_CODE)
     {
       rtx taken_label = operands[3];
 
       /* Operands were possibly modified, but msw_skip doesn't expect this.
 	 Always use the original ones.  */
-      if (msw_taken != CODE_FOR_nothing)
+      if (msw_taken != LAST_AND_UNUSED_RTX_CODE)
 	{
 	  operands[1] = op1h;
 	  operands[2] = op2h;
@@ -1662,14 +1661,14 @@ expand_cbranchdi4 (rtx *operands, enum rtx_code comparison)
     }
   operands[1] = op1l;
   operands[2] = op2l;
-  if (lsw_taken != CODE_FOR_nothing)
+  if (lsw_taken != LAST_AND_UNUSED_RTX_CODE)
     {
       if (reload_completed
 	  && ! arith_reg_or_0_operand (op2l, SImode) && true_regnum (op1l))
 	operands[4] = scratch;
       expand_cbranchsi4 (operands, lsw_taken, lsw_taken_prob);
     }
-  if (msw_skip != CODE_FOR_nothing)
+  if (msw_skip != LAST_AND_UNUSED_RTX_CODE)
     emit_label (skip_label);
   return true;
 }
@@ -1766,7 +1765,7 @@ from_compare (rtx *operands, int code)
   else
     insn = gen_rtx_SET (VOIDmode,
 			gen_rtx_REG (SImode, T_REG),
-			gen_rtx_fmt_ee (code, SImode,
+			gen_rtx_fmt_ee ((enum rtx_code) code, SImode,
 					sh_compare_op0, sh_compare_op1));
   if ((TARGET_SH4 || TARGET_SH2A) && GET_MODE_CLASS (mode) == MODE_FLOAT)
     {
@@ -5704,12 +5703,10 @@ output_stack_adjust (int size, rtx reg, int epilogue_p,
 	      insn = emit_fn (GEN_ADD3 (reg, reg, const_reg));
 	    }
 	  if (! epilogue_p)
-	    REG_NOTES (insn)
-	      = (gen_rtx_EXPR_LIST
-		 (REG_FRAME_RELATED_EXPR,
+	    add_reg_note (insn, REG_FRAME_RELATED_EXPR,
 			  gen_rtx_SET (VOIDmode, reg,
-			       gen_rtx_PLUS (SImode, reg, GEN_INT (size))),
-		  REG_NOTES (insn)));
+				       gen_rtx_PLUS (SImode, reg,
+						     GEN_INT (size))));
 	}
     }
 }
@@ -5745,9 +5742,7 @@ push (int rn)
     x = gen_push (gen_rtx_REG (SImode, rn));
 
   x = frame_insn (x);
-  REG_NOTES (x)
-    = gen_rtx_EXPR_LIST (REG_INC,
-			 gen_rtx_REG (SImode, STACK_POINTER_REGNUM), 0);
+  add_reg_note (x, REG_INC, gen_rtx_REG (SImode, STACK_POINTER_REGNUM));
   return x;
 }
 
@@ -5774,9 +5769,7 @@ pop (int rn)
     x = gen_pop (gen_rtx_REG (SImode, rn));
 
   x = emit_insn (x);
-  REG_NOTES (x)
-    = gen_rtx_EXPR_LIST (REG_INC,
-			 gen_rtx_REG (SImode, STACK_POINTER_REGNUM), 0);
+  add_reg_note (x, REG_INC, gen_rtx_REG (SImode, STACK_POINTER_REGNUM));
 }
 
 /* Generate code to push the regs specified in the mask.  */
@@ -6481,27 +6474,23 @@ sh_expand_prologue (void)
 	       a direct save from the to-be-saved register.  */
 	    if (REGNO (reg_rtx) != reg)
 	      {
-		rtx set, note_rtx;
+		rtx set;
 
 		set = gen_rtx_SET (VOIDmode, mem_rtx, orig_reg_rtx);
-		note_rtx = gen_rtx_EXPR_LIST (REG_FRAME_RELATED_EXPR, set,
-					      REG_NOTES (insn));
-		REG_NOTES (insn) = note_rtx;
+		add_reg_note (insn, REG_FRAME_RELATED_EXPR, set);
 	      }
 
 	    if (TARGET_SHCOMPACT && (offset_in_r0 != -1))
 	      {
 		rtx reg_rtx = gen_rtx_REG (mode, reg);
-		rtx set, note_rtx;
+		rtx set;
 		rtx mem_rtx = gen_frame_mem (mode,
 					     gen_rtx_PLUS (Pmode,
 							   stack_pointer_rtx,
 							   GEN_INT (offset)));
 
 		set = gen_rtx_SET (VOIDmode, mem_rtx, reg_rtx);
-		note_rtx = gen_rtx_EXPR_LIST (REG_FRAME_RELATED_EXPR, set,
-					      REG_NOTES (insn));
-		REG_NOTES (insn) = note_rtx;
+		add_reg_note (insn, REG_FRAME_RELATED_EXPR, set);
 	      }
 	  }
 	}
@@ -8751,7 +8740,7 @@ sh_insn_length_adjustment (rtx insn)
 
   /* SH2e has a bug that prevents the use of annulled branches, so if
      the delay slot is not filled, we'll have to put a NOP in it.  */
-  if (sh_cpu == CPU_SH2E
+  if (sh_cpu_attr == CPU_SH2E
       && GET_CODE (insn) == JUMP_INSN
       && GET_CODE (PATTERN (insn)) != ADDR_DIFF_VEC
       && GET_CODE (PATTERN (insn)) != ADDR_VEC
@@ -9836,7 +9825,7 @@ sh_initialize_trampoline (rtx tramp, rtx fnaddr, rtx cxt)
 	  || (!(TARGET_SH4A_ARCH || TARGET_SH4_300) && TARGET_USERMODE))
 	emit_library_call (function_symbol (NULL, "__ic_invalidate",
 					    FUNCTION_ORDINARY),
-			   0, VOIDmode, 1, tramp, SImode);
+			   LCT_NORMAL, VOIDmode, 1, tramp, SImode);
       else
 	emit_insn (gen_ic_invalidate_line (tramp));
     }
@@ -10173,7 +10162,7 @@ sh_expand_builtin (tree exp, rtx target, rtx subtarget ATTRIBUTE_UNUSED,
       argmode = TYPE_MODE (TREE_TYPE (arg));
       if (argmode != opmode)
 	arg = build1 (NOP_EXPR, optype, arg);
-      op[nop] = expand_expr (arg, NULL_RTX, opmode, 0);
+      op[nop] = expand_expr (arg, NULL_RTX, opmode, EXPAND_NORMAL);
       if (! (*insn_data[icode].operand[nop].predicate) (op[nop], opmode))
 	op[nop] = copy_to_mode_reg (opmode, op[nop]);
     }

gcc/config/sh/sh.md

@@ -647,7 +647,7 @@
 		      (pc)))
    (clobber (reg:SI T_REG))]
   "TARGET_CBRANCHDI4"
-  "expand_cbranchsi4 (operands, CODE_FOR_nothing, -1); DONE;")
+  "expand_cbranchsi4 (operands, LAST_AND_UNUSED_RTX_CODE, -1); DONE;")
 
 ;; -------------------------------------------------------------------------
 ;; SImode unsigned integer comparisons
@@ -720,13 +720,14 @@
 
   if (TARGET_EXPAND_CBRANCHDI4)
     {
-      if (expand_cbranchdi4 (operands, CODE_FOR_nothing))
+      if (expand_cbranchdi4 (operands, LAST_AND_UNUSED_RTX_CODE))
 	DONE;
     }
-  comparison = prepare_cbranch_operands (operands, DImode, CODE_FOR_nothing);
+  comparison = prepare_cbranch_operands (operands, DImode,
+					 LAST_AND_UNUSED_RTX_CODE);
   if (comparison != GET_CODE (operands[0]))
     operands[0]
-      = gen_rtx_fmt_ee (VOIDmode, comparison, operands[1], operands[2]);
+      = gen_rtx_fmt_ee (comparison, VOIDmode, operands[1], operands[2]);
    operands[4] = gen_rtx_SCRATCH (SImode);
 }")
 
@@ -4915,7 +4916,7 @@ label:
 						 gen_rtx_PRE_DEC (Pmode,
 							  stack_pointer_rtx)),
 					get_fpscr_rtx ()));
-  REG_NOTES (insn) = gen_rtx_EXPR_LIST (REG_INC, stack_pointer_rtx, NULL_RTX);
+  add_reg_note (insn, REG_INC, stack_pointer_rtx);
   DONE;
 }")
 
@@ -4928,7 +4929,7 @@ label:
 					gen_frame_mem (PSImode,
 						 gen_rtx_POST_INC (Pmode,
 							  stack_pointer_rtx))));
-  REG_NOTES (insn) = gen_rtx_EXPR_LIST (REG_INC, stack_pointer_rtx, NULL_RTX);
+  add_reg_note (insn, REG_INC, stack_pointer_rtx);
   DONE;
 }")
 
@@ -5959,7 +5960,7 @@ label:
 			     gen_rtx_PRE_DEC (Pmode, stack_pointer_rtx));
   insn = emit_insn (gen_movdf_i4 (tos, operands[1], operands[2]));
   if (! (TARGET_SH5 && true_regnum (operands[1]) < 16))
-    REG_NOTES (insn) = gen_rtx_EXPR_LIST (REG_INC, stack_pointer_rtx, NULL_RTX);
+    add_reg_note (insn, REG_INC, stack_pointer_rtx);
   if (TARGET_SH5 && true_regnum (operands[0]) < 16)
     tos = gen_tmp_stack_mem (DFmode, stack_pointer_rtx);
   else
@@ -5969,7 +5970,7 @@ label:
   if (TARGET_SH5 && true_regnum (operands[0]) < 16)
     emit_move_insn (stack_pointer_rtx, plus_constant (stack_pointer_rtx, 8));
   else
-    REG_NOTES (insn) = gen_rtx_EXPR_LIST (REG_INC, stack_pointer_rtx, NULL_RTX);
+    add_reg_note (insn, REG_INC, stack_pointer_rtx);
   DONE;
 }")
 
@@ -6126,7 +6127,7 @@ label:
   insn = emit_insn (gen_movsf_ie (gen_rtx_REG (SFmode,
 					   regno + !! TARGET_LITTLE_ENDIAN),
 				  mem2, operands[2]));
-  REG_NOTES (insn) = gen_rtx_EXPR_LIST (REG_INC, operands[1], NULL_RTX);
+  add_reg_note (insn, REG_INC, operands[1]);
   insn = emit_insn (gen_movsf_ie (gen_rtx_REG (SFmode,
 					       regno + ! TARGET_LITTLE_ENDIAN),
 				  change_address (mem, SFmode, NULL_RTX),
@@ -6165,12 +6166,12 @@ label:
     }
   addr = XEXP (addr, 0);
   insn = emit_insn (gen_movsf_ie (reg0, mem2, operands[2]));
-  REG_NOTES (insn) = gen_rtx_EXPR_LIST (REG_INC, addr, NULL_RTX);
+  add_reg_note (insn, REG_INC, addr);
   insn = emit_insn (gen_movsf_ie (reg1, operands[1], operands[2]));
   if (adjust)
     emit_insn (adjust);
   else
-    REG_NOTES (insn) = gen_rtx_EXPR_LIST (REG_INC, addr, NULL_RTX);
+    add_reg_note (insn, REG_INC, addr);
   DONE;
 }")
 
@@ -6203,12 +6204,12 @@ label:
     }
   addr = XEXP (addr, 0);
   if (! adjust)
-    REG_NOTES (insn) = gen_rtx_EXPR_LIST (REG_INC, addr, NULL_RTX);
+    add_reg_note (insn, REG_INC, addr);
   insn = emit_insn (gen_movsf_ie (operands[0],
 				  gen_rtx_REG (SFmode,
 					   regno + !! TARGET_LITTLE_ENDIAN),
 				  operands[2]));
-  REG_NOTES (insn) = gen_rtx_EXPR_LIST (REG_INC, addr, NULL_RTX);
+  add_reg_note (insn, REG_INC, addr);
   DONE;
 }")
 
@@ -10486,7 +10487,7 @@ mov.l\\t1f,r0\\n\\
   mem = replace_equiv_address (mem, gen_rtx_POST_INC (Pmode, operands[0]));
 
   new_insn = emit_insn (gen_fpu_switch (fpscr, mem));
-  REG_NOTES (new_insn) = gen_rtx_EXPR_LIST (REG_INC, operands[0], NULL_RTX);
+  add_reg_note (new_insn, REG_INC, operands[0]);
   DONE;
 })
 
@@ -10504,7 +10505,7 @@ mov.l\\t1f,r0\\n\\
   mem = replace_equiv_address (mem, gen_rtx_POST_INC (Pmode, operands[0]));
 
   new_insn = emit_insn (gen_fpu_switch (fpscr, mem));
-  REG_NOTES (new_insn) = gen_rtx_EXPR_LIST (REG_INC, operands[0], NULL_RTX);
+  add_reg_note (new_insn, REG_INC, operands[0]);
 
   if (!find_regno_note (curr_insn, REG_DEAD, true_regnum (operands[0])))
     emit_insn (gen_addsi3 (operands[0], operands[0], GEN_INT (-4)));