resync

[pf3gnuchains/gcc-fork.git] / gcc / cse.c

diff --git a/gcc/cse.c b/gcc/cse.c
index 5431da7..4eb4c35 100644 (file)
--- a/gcc/cse.c
+++ b/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
@@ -5534,9 +5534,10 @@ cse_insn (rtx insn, rtx libcall_insn)
 
          else if (constant_pool_entries_cost
                   && CONSTANT_P (trial)
-                  /* Reject cases that will abort in decode_rtx_const.
-                     On the alpha when simplifying a switch, we get
-                     (const (truncate (minus (label_ref) (label_ref)))).  */
+                  /* Reject cases that will cause decode_rtx_const to
+                     die.  On the alpha when simplifying a switch, we
+                     get (const (truncate (minus (label_ref)
+                     (label_ref)))).  */
                   && ! (GET_CODE (trial) == CONST
                         && GET_CODE (XEXP (trial, 0)) == TRUNCATE)
                   /* Likewise on IA-64, except without the truncate.  */