* MAINTAINERS (Reviewers): Keep the list sorted.

[pf3gnuchains/gcc-fork.git] / gcc / machmode.h

diff --git a/gcc/machmode.h b/gcc/machmode.h
index bdcd02d..b965d0f 100644 (file)
--- a/gcc/machmode.h
+++ b/gcc/machmode.h
@@ -248,7 +248,10 @@ extern enum machine_mode mode_for_vector (enum machine_mode, unsigned);
 
 /* Find the best mode to use to access a bit field.  */
 
-extern enum machine_mode get_best_mode (int, int, unsigned int,
+extern enum machine_mode get_best_mode (int, int,
+                                       unsigned HOST_WIDE_INT,
+                                       unsigned HOST_WIDE_INT,
+                                       unsigned int,
                                        enum machine_mode, int);
 
 /* Determine alignment, 1<=result<=BIGGEST_ALIGNMENT.  */
@@ -275,4 +278,12 @@ extern enum machine_mode ptr_mode;
 /* Target-dependent machine mode initialization - in insn-modes.c.  */
 extern void init_adjust_machine_modes (void);
 
+#define TRULY_NOOP_TRUNCATION_MODES_P(MODE1, MODE2) \
+  TRULY_NOOP_TRUNCATION (GET_MODE_PRECISION (MODE1), \
+                        GET_MODE_PRECISION (MODE2))
+
+#define HWI_COMPUTABLE_MODE_P(MODE) \
+  (SCALAR_INT_MODE_P (MODE) \
+   && GET_MODE_PRECISION (MODE) <= HOST_BITS_PER_WIDE_INT)
+
 #endif /* not HAVE_MACHINE_MODES */