[gcc] Revise definition for long double type.

gcc/gcc/machmode.h

Index: gcc/gcc/machmode.h
diff --git a/gcc/gcc/machmode.h b/gcc/gcc/machmode.h
index c9022e789ed71ea29e9ab2d333de5ef25a0c43d3..7d50b46639788773b9309264421711a96dedfd95 100644
--- a/gcc/gcc/machmode.h
+++ b/gcc/gcc/machmode.h
@@ -219,14 +219,10 @@ extern const unsigned char mode_nunits[NUM_MACHINE_MODES];
 /* Get the next wider natural mode (eg, QI -> HI -> SI -> DI -> TI).  */
 
 extern const unsigned char mode_wider[NUM_MACHINE_MODES];
-#ifndef GET_MODE_WIDER_MODE
 #define GET_MODE_WIDER_MODE(MODE) mode_wider[MODE]
-#endif
 
 extern const unsigned char mode_2xwider[NUM_MACHINE_MODES];
-#ifndef GET_MODE_2XWIDER_MODE
 #define GET_MODE_2XWIDER_MODE(MODE) mode_2xwider[MODE]
-#endif
 
 /* Return the mode for data of a given size SIZE and mode class CLASS.
    If LIMIT is nonzero, then don't use modes bigger than MAX_FIXED_MODE_SIZE.