c-tree.h, [...]: Fix comment typos.

	* c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
	simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
	spelling conventions.

From-SVN: r94939

gcc/ChangeLog

+2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
+
+	* c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
+	simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
+	spelling conventions.
+
 2005-02-12  Ira Rosen  <irar@il.ibm.com>
 
 	* tree-vectorizer.c (vect_get_base_and_offset): Remove.

gcc/c-tree.h

@@ -126,7 +126,7 @@ struct c_expr
   /* The value of the expression.  */
   tree value;
   /* Record the original binary operator of an expression, which may
-     have been changed by fold, STRING_CST for unparenthesised string
+     have been changed by fold, STRING_CST for unparenthesized string
      constants, or ERROR_MARK for other expressions (including
      parenthesized expressions).  */
   enum tree_code original_code;

gcc/combine.c

@@ -1276,7 +1276,7 @@ can_combine_p (rtx insn, rtx i3, rtx pred ATTRIBUTE_UNUSED, rtx succ,
 
 	  /* If the clobber represents an earlyclobber operand, we must not
 	     substitute an expression containing the clobbered register.
-	     As we do not analyse the constraint strings here, we have to
+	     As we do not analyze the constraint strings here, we have to
 	     make the conservative assumption.  However, if the register is
 	     a fixed hard reg, the clobber cannot represent any operand;
 	     we leave it up to the machine description to either accept or

gcc/expmed.c

@@ -1089,7 +1089,7 @@ extract_bit_field (rtx str_rtx, unsigned HOST_WIDE_INT bitsize,
     }
 
   /* If we have an out-of-bounds access to a register, just return an
-     uninitialised register of the required mode.  This can occur if the
+     uninitialized register of the required mode.  This can occur if the
      source code contains an out-of-bounds access to a small array.  */
   if (REG_P (op0) && bitnum >= GET_MODE_BITSIZE (GET_MODE (op0)))
     return gen_reg_rtx (tmode);

gcc/flow.c

@@ -2891,7 +2891,7 @@ mark_regno_cond_dead (struct propagate_block_info *pbi, int regno, rtx cond)
 
       /* Otherwise this is a conditional set.  Record that fact.
 	 It may have been conditionally used, or there may be a
-	 subsequent set with a complimentary condition.  */
+	 subsequent set with a complementary condition.  */
 
       node = splay_tree_lookup (pbi->reg_cond_dead, regno);
       if (node == NULL)

gcc/libgcc2.c

@@ -1553,7 +1553,7 @@ NAME (TYPE x, Wtype m)
 
 /* All of these would be present in a full C99 implementation of <math.h>
    and <complex.h>.  Our problem is that only a few systems have such full
-   implementations.  Further, libgcc_s.so isn't currenly linked against
+   implementations.  Further, libgcc_s.so isn't currently linked against
    libm.so, and even for systems that do provide full C99, the extra overhead
    of all programs using libgcc having to link against libm.  So avoid it.  */
 
@@ -1653,7 +1653,7 @@ CONCAT3(__div,MODE,3) (MTYPE a, MTYPE b, MTYPE c, MTYPE d)
 {
   MTYPE denom, ratio, x, y;
 
-  /* ??? We can get better behaviour from logrithmic scaling instead of 
+  /* ??? We can get better behavior from logarithmic scaling instead of 
      the division.  But that would mean starting to link libgcc against
      libm.  We could implement something akin to ldexp/frexp as gcc builtins
      fairly easily...  */
@@ -1673,7 +1673,7 @@ CONCAT3(__div,MODE,3) (MTYPE a, MTYPE b, MTYPE c, MTYPE d)
     }
 
   /* Recover infinities and zeros that computed as NaN+iNaN; the only cases
-     are non-zero/zero, infinite/finite, and finite/infinite.  */
+     are nonzero/zero, infinite/finite, and finite/infinite.  */
   if (isnan (x) && isnan (y))
     {
       if (denom == 0.0 && (!isnan (a) || !isnan (b)))

gcc/simplify-rtx.c

@@ -1925,7 +1925,7 @@ simplify_binary_operation (enum rtx_code code, enum machine_mode mode,
 	    return const0_rtx;
 
 	  /* Transform (and (extend X) C) into (zero_extend (and X C)) if
-	     there are no non-zero bits of C outside of X's mode.  */
+	     there are no nonzero bits of C outside of X's mode.  */
 	  if ((GET_CODE (op0) == SIGN_EXTEND
 	       || GET_CODE (op0) == ZERO_EXTEND)
 	      && GET_CODE (trueop1) == CONST_INT

gcc/tree-ssa-live.h

@@ -428,7 +428,7 @@ tpa_decompact(tpa_p tpa)
 }
 
 
-/* Once a var_map has been created and compressed, a complimentary root_var
+/* Once a var_map has been created and compressed, a complementary root_var
    object can be built.  This creates a list of all the root variables from
    which ssa version names are derived.  Each root variable has a list of 
    which partitions are versions of that root.