cse.c: Fix formatting.

	* cse.c: Fix formatting.
	* emit-rtl.c: Likewise.

From-SVN: r53191

gcc/ChangeLog

+2002-05-05  Kazu Hirata  <kazu@cs.umass.edu>
+
+	* cse.c: Fix formatting.
+	* emit-rtl.c: Likewise.
+
 2002-05-05  Vladimir Makarov  <vmakarov@redhat.com>
 
 	* genautomata.c (initiate_states): Add additional guard to

gcc/cse.c

@@ -742,7 +742,7 @@ approx_reg_cost (x)
   int hardregs = 0;
 
   INIT_REG_SET (&set);
-  for_each_rtx (&x, approx_reg_cost_1, (void *)&set);
+  for_each_rtx (&x, approx_reg_cost_1, (void *) &set);
 
   EXECUTE_IF_SET_IN_REG_SET
     (&set, 0, i,
@@ -1990,7 +1990,7 @@ remove_invalid_refs (regno)
       {
 	next = p->next_same_hash;
 	if (GET_CODE (p->exp) != REG
-	    && refers_to_regno_p (regno, regno + 1, p->exp, (rtx*) 0))
+	    && refers_to_regno_p (regno, regno + 1, p->exp, (rtx *) 0))
 	  remove_from_table (p, i);
       }
 }
@@ -2020,7 +2020,7 @@ remove_invalid_subreg_refs (regno, offset, mode)
 		|| (((SUBREG_BYTE (exp)
 		      + (GET_MODE_SIZE (GET_MODE (exp)) - 1)) >= offset)
 		    && SUBREG_BYTE (exp) <= end))
-	    && refers_to_regno_p (regno, regno + 1, p->exp, (rtx*) 0))
+	    && refers_to_regno_p (regno, regno + 1, p->exp, (rtx *) 0))
 	  remove_from_table (p, i);
       }
 }
@@ -2212,8 +2212,8 @@ canon_hash_string (ps)
      const char *ps;
 {
   unsigned hash = 0;
-  const unsigned char *p = (const unsigned char *)ps;
-  
+  const unsigned char *p = (const unsigned char *) ps;
+
   if (p)
     while (*p)
       hash += *p++;
@@ -2264,7 +2264,7 @@ canon_hash (x, mode)
 	   failure to do so leads to failure to simplify 0<100 type of
 	   conditionals.
 
-	   On all machines, we can't record any global registers.  
+	   On all machines, we can't record any global registers.
 	   Nor should we record any register that is in a small
 	   class, as defined by CLASS_LIKELY_SPILLED_P.  */
 
@@ -2375,7 +2375,7 @@ canon_hash (x, mode)
       if (GET_CODE (XEXP (x, 0)) == MEM
 	  && ! MEM_VOLATILE_P (XEXP (x, 0)))
 	{
-	  hash += (unsigned)USE;
+	  hash += (unsigned) USE;
 	  x = XEXP (x, 0);
 
 	  if (! RTX_UNCHANGING_P (x) || FIXED_BASE_PLUS_P (XEXP (x, 0)))
@@ -3237,7 +3237,7 @@ find_comparison_args (code, parg1, parg2, pmode1, pmode2)
 #ifdef FLOAT_STORE_FLAG_VALUE
 		    || (code == GE
 			&& GET_MODE_CLASS (inner_mode) == MODE_FLOAT
-		        && (REAL_VALUE_NEGATIVE
+			&& (REAL_VALUE_NEGATIVE
 			    (FLOAT_STORE_FLAG_VALUE (GET_MODE (arg1)))))
 #endif
 		    )
@@ -3270,7 +3270,8 @@ find_comparison_args (code, parg1, parg2, pmode1, pmode2)
 	  enum rtx_code reversed = reversed_comparison_code (x, NULL_RTX);
 	  if (reversed == UNKNOWN)
 	    break;
-	  else code = reversed;
+	  else
+	    code = reversed;
 	}
       else if (GET_RTX_CLASS (GET_CODE (x)) == '<')
 	code = GET_CODE (x);
@@ -3808,7 +3809,7 @@ fold_rtx (x, insn)
 	replacements[0] = cheap_arg;
 	replacements[1] = expensive_arg;
 
-	for (j = 0; j < 2 && replacements[j];  j++)
+	for (j = 0; j < 2 && replacements[j]; j++)
 	  {
 	    int old_cost = COST_IN (XEXP (x, i), code);
 	    int new_cost = COST_IN (replacements[j], code);
@@ -3926,7 +3927,7 @@ fold_rtx (x, insn)
 	  if (GET_MODE_CLASS (mode) == MODE_FLOAT)
 	    {
 	      true_rtx = (CONST_DOUBLE_FROM_REAL_VALUE
-		      (FLOAT_STORE_FLAG_VALUE (mode), mode));
+			  (FLOAT_STORE_FLAG_VALUE (mode), mode));
 	      false_rtx = CONST0_RTX (mode);
 	    }
 #endif
@@ -5469,13 +5470,13 @@ cse_insn (insn, libcall_insn)
 	      continue;
 	    }
 
-          if (elt)
+	  if (elt)
 	    {
 	      src_elt_cost = elt->cost;
 	      src_elt_regcost = elt->regcost;
 	    }
 
-          /* Find cheapest and skip it for the next time.   For items
+	  /* Find cheapest and skip it for the next time.   For items
 	     of equal cost, use this order:
 	     src_folded, src, src_eqv, src_related and hash table entry.  */
 	  if (src_folded
@@ -5509,7 +5510,7 @@ cse_insn (insn, libcall_insn)
 	  else if (src_related
 		   && preferrable (src_related_cost, src_related_regcost,
 				   src_elt_cost, src_elt_regcost) <= 0)
-  	    trial = copy_rtx (src_related), src_related_cost = MAX_COST;
+	    trial = copy_rtx (src_related), src_related_cost = MAX_COST;
 	  else
 	    {
 	      trial = copy_rtx (elt->exp);
@@ -5674,7 +5675,7 @@ cse_insn (insn, libcall_insn)
 	     a new one if one does not already exist.  */
 	  set_unique_reg_note (insn, REG_EQUAL, src_const);
 
-          /* If storing a constant value in a register that
+	  /* If storing a constant value in a register that
 	     previously held the constant value 0,
 	     record this fact with a REG_WAS_0 note on this insn.
 
@@ -7367,7 +7368,7 @@ cse_basic_block (from, to, next_branch, around_loop)
      we can cse into the loop.  Don't do this if we changed the jump
      structure of a loop unless we aren't going to be following jumps.  */
 
-  insn = prev_nonnote_insn(to);
+  insn = prev_nonnote_insn (to);
   if ((cse_jumps_altered == 0
        || (flag_cse_follow_jumps == 0 && flag_cse_skip_blocks == 0))
       && around_loop && to != 0
@@ -7674,7 +7675,8 @@ delete_trivially_dead_insns (insns, nreg)
 	      dead_libcall = 0;
 	    }
 	}
-    } while (ndead != nlastdead);
+    }
+  while (ndead != nlastdead);
 
   if (rtl_dump_file && ndead)
     fprintf (rtl_dump_file, "Deleted %i trivially dead insns; %i iterations\n",

gcc/emit-rtl.c

@@ -422,7 +422,7 @@ gen_rtx_REG (mode, regno)
 #endif
       if (regno == PIC_OFFSET_TABLE_REGNUM
 	  && fixed_regs[PIC_OFFSET_TABLE_REGNUM])
-        return pic_offset_table_rtx;
+	return pic_offset_table_rtx;
       if (regno == STACK_POINTER_REGNUM)
 	return stack_pointer_rtx;
     }
@@ -532,7 +532,7 @@ gen_rtx VPARAMS ((enum rtx_code code, enum machine_mode mode, ...))
 	HOST_WIDE_INT arg0 = va_arg (p, HOST_WIDE_INT);
 	HOST_WIDE_INT arg1 = va_arg (p, HOST_WIDE_INT);
 
-        rt_val = gen_rtx_CONST_DOUBLE (mode, arg0, arg1);
+	rt_val = gen_rtx_CONST_DOUBLE (mode, arg0, arg1);
       }
       break;
 
@@ -905,14 +905,14 @@ gen_lowpart_common (mode, x)
   else if (GET_MODE_CLASS (mode) == MODE_FLOAT
 	   && GET_MODE_BITSIZE (mode) == 32
 	   && GET_CODE (x) == CONST_INT)
-  {
+    {
       REAL_VALUE_TYPE r;
       HOST_WIDE_INT i;
 
       i = INTVAL (x);
       r = REAL_VALUE_FROM_TARGET_SINGLE (i);
       return CONST_DOUBLE_FROM_REAL_VALUE (r, mode);
-  }
+    }
   else if (GET_MODE_CLASS (mode) == MODE_FLOAT
 	   && GET_MODE_BITSIZE (mode) == 64
 	   && (GET_CODE (x) == CONST_INT || GET_CODE (x) == CONST_DOUBLE)
@@ -962,16 +962,16 @@ gen_lowpart_common (mode, x)
       switch (GET_MODE_BITSIZE (GET_MODE (x)))
 	{
 	case 32:
-          REAL_VALUE_TO_TARGET_SINGLE (r, i[3 * endian]);
+	  REAL_VALUE_TO_TARGET_SINGLE (r, i[3 * endian]);
 	  i[1] = 0;
 	  i[2] = 0;
-          i[3 - 3 * endian] = 0;
-          break;
+	  i[3 - 3 * endian] = 0;
+	  break;
 	case 64:
-          REAL_VALUE_TO_TARGET_DOUBLE (r, i + 2 * endian);
+	  REAL_VALUE_TO_TARGET_DOUBLE (r, i + 2 * endian);
 	  i[2 - 2 * endian] = 0;
 	  i[3 - 2 * endian] = 0;
-          break;
+	  break;
 	case 96:
 	  REAL_VALUE_TO_TARGET_LONG_DOUBLE (r, i + endian);
 	  i[3 - 3 * endian] = 0;
@@ -1139,8 +1139,8 @@ gen_highpart (mode, x)
    be VOIDmode constant.  */
 rtx
 gen_highpart_mode (outermode, innermode, exp)
-    enum machine_mode outermode, innermode;
-    rtx exp;
+     enum machine_mode outermode, innermode;
+     rtx exp;
 {
   if (GET_MODE (exp) != VOIDmode)
     {
@@ -1151,6 +1151,7 @@ gen_highpart_mode (outermode, innermode, exp)
   return simplify_gen_subreg (outermode, exp, innermode,
 			      subreg_highpart_offset (outermode, innermode));
 }
+
 /* Return offset in bytes to get OUTERMODE low part
    of the value in mode INNERMODE stored in memory in target format.  */
 
@@ -1182,7 +1183,7 @@ subreg_highpart_offset (outermode, innermode)
   int difference = (GET_MODE_SIZE (innermode) - GET_MODE_SIZE (outermode));
 
   if (GET_MODE_SIZE (innermode) < GET_MODE_SIZE (outermode))
-     abort ();
+    abort ();
 
   if (difference > 0)
     {
@@ -1530,10 +1531,10 @@ component_ref_for_mem_expr (ref)
 	     || TREE_CODE (inner) == VIEW_CONVERT_EXPR
 	     || TREE_CODE (inner) == SAVE_EXPR
 	     || TREE_CODE (inner) == PLACEHOLDER_EXPR)
-	  if (TREE_CODE (inner) == PLACEHOLDER_EXPR)
-	    inner = find_placeholder (inner, &placeholder_ptr);
-	  else
-	    inner = TREE_OPERAND (inner, 0);
+	if (TREE_CODE (inner) == PLACEHOLDER_EXPR)
+	  inner = find_placeholder (inner, &placeholder_ptr);
+	else
+	  inner = TREE_OPERAND (inner, 0);
 
       if (! DECL_P (inner))
 	inner = NULL_TREE;
@@ -1632,7 +1633,7 @@ set_mem_attributes (ref, t, objectp)
 	  size = (DECL_SIZE_UNIT (t)
 		  && host_integerp (DECL_SIZE_UNIT (t), 1)
 		  ? GEN_INT (tree_low_cst (DECL_SIZE_UNIT (t), 1)) : 0);
-	  align =  DECL_ALIGN (t);
+	  align = DECL_ALIGN (t);
 	}
 
       /* If this is a constant, we know the alignment.  */
@@ -1708,7 +1709,7 @@ set_mem_alias_set (mem, set)
      rtx mem;
      HOST_WIDE_INT set;
 {
-#ifdef ENABLE_CHECKING	
+#ifdef ENABLE_CHECKING
   /* If the new and old alias sets don't conflict, something is wrong.  */
   if (!alias_sets_conflict_p (set, MEM_ALIAS_SET (mem)))
     abort ();
@@ -1915,7 +1916,7 @@ offset_address (memref, offset, pow2)
 
   new = simplify_gen_binary (PLUS, Pmode, addr, offset);
 
-  /* At this point we don't know _why_ the address is invalid.  It 
+  /* At this point we don't know _why_ the address is invalid.  It
      could have secondary memory refereces, multiplies or anything.
 
      However, if we did go and rearrange things, we can wind up not
@@ -1942,7 +1943,7 @@ offset_address (memref, offset, pow2)
 		     GET_MODE (new));
   return new;
 }
-  
+
 /* Return a memory reference like MEMREF, but with its address changed to
    ADDR.  The caller is asserting that the actual piece of memory pointed
    to is the same, just the form of the address is being changed, such as
@@ -2916,8 +2917,8 @@ prev_cc0_setter (insn)
 /* Increment the label uses for all labels present in rtx.  */
 
 static void
-mark_label_nuses(x)
-    rtx x;
+mark_label_nuses (x)
+     rtx x;
 {
   enum rtx_code code;
   int i, j;
@@ -3027,7 +3028,7 @@ try_split (pat, trial, last)
 		  = CALL_INSN_FUNCTION_USAGE (trial);
 
 	  /* Copy notes, particularly those related to the CFG.  */
-	  for (note = REG_NOTES (trial); note ; note = XEXP (note, 1))
+	  for (note = REG_NOTES (trial); note; note = XEXP (note, 1))
 	    {
 	      switch (REG_NOTE_KIND (note))
 		{
@@ -3081,7 +3082,7 @@ try_split (pat, trial, last)
 	  if (GET_CODE (trial) == INSN)
 	    for (i = XVECLEN (seq, 0) - 1; i >= 0; i--)
 	      if (GET_CODE (XVECEXP (seq, 0, i)) == INSN)
-	        mark_label_nuses (PATTERN (XVECEXP (seq, 0, i)));
+		mark_label_nuses (PATTERN (XVECEXP (seq, 0, i)));
 
 	  tem = emit_insn_after (seq, trial);
 
@@ -3256,7 +3257,7 @@ add_insn_after (insn, after)
     {
       set_block_for_insn (insn, bb);
       if (INSN_P (insn))
-        bb->flags |= BB_DIRTY;
+	bb->flags |= BB_DIRTY;
       /* Should not happen as first in the BB is always
 	 either NOTE or LABEL.  */
       if (bb->end == after
@@ -3325,7 +3326,7 @@ add_insn_before (insn, before)
     {
       set_block_for_insn (insn, bb);
       if (INSN_P (insn))
-        bb->flags |= BB_DIRTY;
+	bb->flags |= BB_DIRTY;
       /* Should not happen as first in the BB is always
 	 either NOTE or LABEl.  */
       if (bb->head == insn
@@ -3404,7 +3405,7 @@ remove_insn (insn)
       && (bb = BLOCK_FOR_INSN (insn)))
     {
       if (INSN_P (insn))
-        bb->flags |= BB_DIRTY;
+	bb->flags |= BB_DIRTY;
       if (bb->head == insn)
 	{
 	  /* Never ever delete the basic block note without deleting whole
@@ -3483,7 +3484,7 @@ reorder_insns (from, to, after)
     {
       rtx x;
       bb->flags |= BB_DIRTY;
- 
+
       if (basic_block_for_insn
 	  && ((unsigned int) INSN_UID (from)
 	      < basic_block_for_insn->num_elements)
@@ -3614,7 +3615,7 @@ remove_unnecessary_notes ()
 	     then there is no PC range in the generated code that will
 	     actually be in this block, so there's no point in
 	     remembering the existence of the block.  */
-	  for (tmp = PREV_INSN (insn); tmp ; tmp = PREV_INSN (tmp))
+	  for (tmp = PREV_INSN (insn); tmp; tmp = PREV_INSN (tmp))
 	    {
 	      /* This block contains a real instruction.  Note that we
 		 don't include labels; if the only thing in the block
@@ -3913,7 +3914,7 @@ emit_line_note_after (file, line, after)
       return 0;
     }
 
-  note  = rtx_alloc (NOTE);
+  note = rtx_alloc (NOTE);
   INSN_UID (note) = cur_insn_uid++;
   NOTE_SOURCE_FILE (note) = file;
   NOTE_LINE_NUMBER (note) = line;
@@ -4431,7 +4432,7 @@ end_full_sequence (first, last)
 {
   *first = first_insn;
   *last = last_insn;
-  end_sequence();
+  end_sequence ();
 }
 
 /* Return 1 if currently emitting into a sequence.  */
@@ -4929,7 +4930,7 @@ init_emit_once (line_numbers)
 	   mode = GET_MODE_WIDER_MODE (mode))
 	{
 	  rtx tem = rtx_alloc (CONST_DOUBLE);
- 
+
 	  /* Can't use CONST_DOUBLE_FROM_REAL_VALUE here; that uses the
 	     tables we're setting up right now.  */
 	  memcpy (&CONST_DOUBLE_LOW (tem), r, sizeof (REAL_VALUE_TYPE));