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

	* ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
	tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
	typos.

From-SVN: r84008

gcc/ChangeLog

+2004-07-02  Kazu Hirata  <kazu@cs.umass.edu>
+
+	* ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
+	tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
+	typos.
+
 2004-07-02  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
 
 	* gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.

gcc/ifcvt.c

@@ -699,7 +699,7 @@ end_ifcvt_sequence (struct noce_if_info *if_info)
 
   /* Make sure that all of the instructions emitted are recognizable,
      and that we haven't introduced a new jump instruction.
-     As an excersise for the reader, build a general mechanism that
+     As an exercise for the reader, build a general mechanism that
      allows proper placement of required clobbers.  */
   for (insn = seq; insn; insn = NEXT_INSN (insn))
     if (GET_CODE (insn) == JUMP_INSN

gcc/modulo-sched.c

@@ -77,7 +77,7 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
 	 here the insns are not scheduled monotonically top-down (nor bottom-
 	 up).
       3. If failed in scheduling all insns - bump II++ and try again, unless
-	 II reaches an upper bound MaxII, inwhich case report failure.
+	 II reaches an upper bound MaxII, in which case report failure.
    5. If we succeeded in scheduling the loop within II cycles, we now
       generate prolog and epilog, decrease the counter of the loop, and
       perform modulo variable expansion for live ranges that span more than
@@ -443,7 +443,7 @@ calculate_maxii (ddg_ptr g)
 }
 
 
-/* Given the partial schdule, generate register moves when the length
+/* Given the partial schedule, generate register moves when the length
    of the register live range is more than ii; the number of moves is
    determined according to the following equation:
 		SCHED_TIME (use) - SCHED_TIME (def)   { 1 broken loop-carried

gcc/tree-alias-common.c

@@ -533,7 +533,7 @@ find_func_aliases (tree stp)
 	  else if (TREE_CODE (op1) == CALL_EXPR)
 	    {
 	      /* Heap assignment. These are __attribute__ malloc or
-		 something, i'll deal with it later.  */
+		 something, I'll deal with it later.  */
 	      if (0)
 		{}
 	      else

gcc/tree-sra.c

@@ -1630,7 +1630,7 @@ sra_replace (block_stmt_iterator *bsi, tree list)
 }
 
 /* Scalarize a USE.  To recap, this is either a simple reference to ELT,
-   if elt is scalar, or some ocurrence of ELT that requires a complete
+   if elt is scalar, or some occurrence of ELT that requires a complete
    aggregate.  IS_OUTPUT is true if ELT is being modified.  */
 
 static void

gcc/tree-ssa-copy.c

@@ -56,7 +56,7 @@ Boston, MA 02111-1307, USA.  */
 
 
 /* Given two SSA_NAMEs, replace the annotations for the one referred to by OP 
-   with VAR's annmoptations.
+   with VAR's annotations.
 
    If OP is a pointer, copy the memory tag used originally by OP into
    VAR.  This is needed in cases where VAR had never been dereferenced in the

gcc/tree-ssa-dom.c

@@ -96,7 +96,7 @@ static bitmap nonzero_vars;
 static bool cfg_altered;
 
 /* Bitmap of blocks that have had EH statements cleaned.  We should
-   remove thier dead edges eventually.  */
+   remove their dead edges eventually.  */
 static bitmap need_eh_cleanup;
 
 /* Statistics for dominator optimizations.  */

gcc/tree-ssa-pre.c

@@ -234,7 +234,7 @@ typedef struct bb_value_sets
      basic block.  */
   value_set_t phi_gen;
 
-  /* The TMP_GEN set, which represents results/temporaries genererated
+  /* The TMP_GEN set, which represents results/temporaries generated
      in a basic block. IE the LHS of an expression.  */
   value_set_t tmp_gen;
 
@@ -1499,7 +1499,7 @@ add_to_sets (tree var, tree expr, vuse_optype vuses, value_set_t s1,
 
 
 /* Given a unary or binary expression EXPR, create and return a new
-   expresion with the same structure as EXPR but with its operands
+   expression with the same structure as EXPR but with its operands
    replaced with the value handles of each of the operands of EXPR.
    Insert EXPR's operands into the EXP_GEN set for BLOCK.