re PR debug/66691 (ICE on valid code at -O3 with -g enabled in simplify_subreg, at...

[gcc.git] / gcc / rtlanal.c

diff --git a/gcc/rtlanal.c b/gcc/rtlanal.c
index 28a042af205edf238dbb7dc2ed9e17d35d33412c..86b3b622f89384afb3823b0215de9579da96d96b 100644 (file)
--- a/gcc/rtlanal.c
+++ b/gcc/rtlanal.c
@@ -32,16 +32,11 @@ along with GCC; see the file COPYING3.  If not see
 #include "tm_p.h"
 #include "flags.h"
 #include "regs.h"
-#include "hashtab.h"
-#include "hash-set.h"
-#include "vec.h"
-#include "input.h"
 #include "function.h"
 #include "predict.h"
 #include "basic-block.h"
 #include "df.h"
 #include "symtab.h"
-#include "inchash.h"
 #include "tree.h"
 #include "emit-rtl.h"  /* FIXME: Can go away once crtl is moved to rtl.h.  */
 #include "addresses.h"
@@ -3137,17 +3132,16 @@ regno_use_in (unsigned int regno, rtx x)
 }
 
 /* Return a value indicating whether OP, an operand of a commutative
-   operation, is preferred as the first or second operand.  The higher
-   the value, the stronger the preference for being the first operand.
-   We use negative values to indicate a preference for the first operand
-   and positive values for the second operand.  */
+   operation, is preferred as the first or second operand.  The more
+   positive the value, the stronger the preference for being the first
+   operand.  */
 
 int
 commutative_operand_precedence (rtx op)
 {
   enum rtx_code code = GET_CODE (op);
 
-  /* Constants always come the second operand.  Prefer "nice" constants.  */
+  /* Constants always become the second operand.  Prefer "nice" constants.  */
   if (code == CONST_INT)
     return -8;
   if (code == CONST_WIDE_INT)