cse.c, [...]: Fix comment typos.

	* cse.c, tree-flow-inline.h, tree-flow.h, tree-ssa-operands.c,
	tree-ssa-sink.c, tree.h, config/bfin/bfin.c,
	config/bfin/bfin.h: Fix comment typos.

From-SVN: r97730

gcc/ChangeLog

+2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
+
+	* cse.c, tree-flow-inline.h, tree-flow.h, tree-ssa-operands.c,
+	tree-ssa-sink.c, tree.h, config/bfin/bfin.c,
+	config/bfin/bfin.h: Fix comment typos.
+
 2005-04-06  Ranjit Mathew  <rmathew@hotmail.com>
 
 	* doc/install.texi: Update the URL for Jacks.

gcc/config/bfin/bfin.c

-/* The Blackfin code generation auxilary output file.
+/* The Blackfin code generation auxiliary output file.
    Copyright (C) 2005  Free Software Foundation, Inc.
    Contributed by Analog Devices.
 
@@ -320,7 +320,7 @@ setup_incoming_varargs (CUMULATIVE_ARGS *cum,
 
   /* The move for named arguments will be generated automatically by the
      compiler.  We need to generate the move rtx for the unnamed arguments
-     if they are in the first 3 words.  We assume atleast 1 named argument
+     if they are in the first 3 words.  We assume at least 1 named argument
      exists, so we never generate [ARGP] = R0 here.  */
 
   for (i = cum->words + 1; i < max_arg_registers; i++)

gcc/config/bfin/bfin.h

@@ -345,7 +345,7 @@ enum reg_class
   BREGS,
   LREGS,
   MREGS,
-  CIRCREGS, /* Circular buffering registers, Ix, Bx, Lx together form. See Automatic Circlur Buffering */
+  CIRCREGS, /* Circular buffering registers, Ix, Bx, Lx together form.  See Automatic Circular Buffering.  */
   DAGREGS,
   EVEN_AREGS,
   ODD_AREGS,

gcc/cse.c

@@ -3808,7 +3808,7 @@ fold_rtx (rtx x, rtx insn)
 
 	    /* It's not safe to substitute the operand of a conversion
 	       operator with a constant, as the conversion's identity
-	       depends upon the mode of it's operand.  This optimization
+	       depends upon the mode of its operand.  This optimization
 	       is handled by the call to simplify_unary_operation.  */
 	    if (GET_RTX_CLASS (code) == RTX_UNARY
 		&& GET_MODE (replacements[j]) != mode_arg0

gcc/tree-flow-inline.h

@@ -347,12 +347,12 @@ next_safe_imm_use (imm_use_iterator *imm)
   use_operand_p old;
 
   old = imm->imm_use;
-  /* If the next node following the iter_node is still the one refered to by
-     imm_use, then the list hasnt changed, go to the next node.  */
+  /* If the next node following the iter_node is still the one referred to by
+     imm_use, then the list hasn't changed, go to the next node.  */
   if (imm->iter_node.next == imm->imm_use)
     {
       ptr = &(imm->iter_node);
-      /* Remove iternode fromn the list.  */
+      /* Remove iternode from the list.  */
       delink_imm_use (ptr);
       imm->imm_use = imm->imm_use->next;
       if (! end_safe_imm_use_p (imm))
@@ -369,7 +369,7 @@ next_safe_imm_use (imm_use_iterator *imm)
   else
     {
       /* If the 'next' value after the iterator isn't the same as it was, then
-	 a node has been deleted, so we sinply proceed to the node following 
+	 a node has been deleted, so we simply proceed to the node following 
 	 where the iterator is in the list.  */
       imm->imm_use = imm->iter_node.next;
       if (end_safe_imm_use_p (imm))
@@ -382,7 +382,7 @@ next_safe_imm_use (imm_use_iterator *imm)
   return imm->imm_use;
 }
 
-/* Return true is IMM has reached the end of the immeidate use list.  */
+/* Return true is IMM has reached the end of the immediate use list.  */
 static inline bool
 end_readonly_imm_use_p (imm_use_iterator *imm)
 {
@@ -447,7 +447,7 @@ has_single_use (tree var)
 }
 
 /* If VAR has only a single immediate use, return true, and set USE_P and STMT
-   to the use pointer and stmt of occurence.  */
+   to the use pointer and stmt of occurrence.  */
 static inline bool
 single_imm_use (tree var, use_operand_p *use_p, tree *stmt)
 {
@@ -684,7 +684,7 @@ phi_arg_index_from_use (use_operand_p use)
   int index;
   tree phi;
 
-  /* Since the use is the first thing in a PHI arguemnt element, we can
+  /* Since the use is the first thing in a PHI argument element, we can
      calculate its index based on casting it to an argument, and performing
      pointer arithmetic.  */
 
@@ -697,7 +697,7 @@ phi_arg_index_from_use (use_operand_p use)
 
 #ifdef ENABLE_CHECKING
   /* Make sure the calculation doesn't have any leftover bytes.  If it does, 
-     then imm_use is liekly not the first element in phi_arg_d.  */
+     then imm_use is likely not the first element in phi_arg_d.  */
   gcc_assert (
 	  (((char *)element - (char *)root) % sizeof (struct phi_arg_d)) == 0);
   gcc_assert (index >= 0 && index < PHI_ARG_CAPACITY (phi));

gcc/tree-flow.h

@@ -243,7 +243,7 @@ typedef struct immediate_use_iterator_d
 } imm_use_iterator;
 
 
-/* Use this iterator when simply looking at stmts. Adding, deleteing or
+/* Use this iterator when simply looking at stmts.  Adding, deleting or
    modifying stmts will cause this iterator to malfunction.  */
 
 #define FOR_EACH_IMM_USE_FAST(DEST, ITER, SSAVAR)			\

gcc/tree-ssa-operands.c

@@ -993,7 +993,7 @@ append_v_must_def (tree var)
 
 
 /* Parse STMT looking for operands.  OLD_OPS is the original stmt operand
-   cache for STMT, if it exested before.  When fniished, the various build_*
+   cache for STMT, if it existed before.  When finished, the various build_*
    operand vectors will have potential operands. in them.  */
                                                                                 
 static void

gcc/tree-ssa-sink.c

@@ -79,7 +79,7 @@ static struct
 } sink_stats;
 
 
-/* Given a PHI, and one of it's arguments (DEF), find the edge for
+/* Given a PHI, and one of its arguments (DEF), find the edge for
    that argument and return it.  If the argument occurs twice in the PHI node,
    we return NULL.  */
 

gcc/tree.h

@@ -1350,7 +1350,7 @@ struct ptr_info_def;
 
 
 
-/* Immediate use linking structure. THis structure is used for maintaining
+/* Immediate use linking structure.  This structure is used for maintaining
    a doubly linked list of uses of an SSA_NAME.  */
 typedef struct ssa_imm_use_d GTY(())
 {
@@ -1396,7 +1396,7 @@ struct tree_ssa_name GTY(())
    you wish to access the use or def fields of a PHI_NODE in the SSA 
    optimizers, use the accessor macros found in tree-ssa-operands.h.  
    These two macros are to be used only by those accessor macros, and other 
-   select places where we *absolutly* must take the address of the tree.  */
+   select places where we *absolutely* must take the address of the tree.  */
 
 #define PHI_RESULT_TREE(NODE)		PHI_NODE_CHECK (NODE)->phi.result
 #define PHI_ARG_DEF_TREE(NODE, I)	PHI_NODE_ELT_CHECK (NODE, I).def