longlong.h [__mips__] (count_leading_zeros, [...]): Define for MIPS32 and MIPS64.

2007-08-02  Sandra Loosemore  <sandra@codesourcery.com>
	    Nigel Stephens  <nigel@mips.com>

	gcc/
	* longlong.h [__mips__] (count_leading_zeros, COUNT_LEADING_ZEROS_0):
	Define for MIPS32 and MIPS64.

Co-Authored-By: Nigel Stephens <nigel@mips.com>

From-SVN: r127159

gcc/ChangeLog

+2007-08-02  Sandra Loosemore  <sandra@codesourcery.com>
+	    Nigel Stephens  <nigel@mips.com>
+
+	* longlong.h [__mips__] (count_leading_zeros, COUNT_LEADING_ZEROS_0):
+	Define for MIPS32 and MIPS64.
+
 2007-08-02  Nick Clifton  <nickc@redhat.com>
 
 	* config/host-hpux.c: Change copyright header to refer to version

gcc/longlong.h

@@ -624,6 +624,11 @@ UDItype __umulsidi3 (USItype, USItype);
 	     "d" ((USItype) (v)))
 #define UMUL_TIME 10
 #define UDIV_TIME 100
+
+#if (__mips == 32 || __mips == 64) && ! __mips16
+#define count_leading_zeros(COUNT,X)	((COUNT) = __builtin_clz (X))
+#define COUNT_LEADING_ZEROS_0 32
+#endif
 #endif /* __mips__ */
 
 #if defined (__ns32000__) && W_TYPE_SIZE == 32