PR target/6838

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

diff --git a/gcc/glimits.h b/gcc/glimits.h
index a766f81..c3b83da 100644 (file)
--- a/gcc/glimits.h
+++ b/gcc/glimits.h
@@ -1,9 +1,5 @@
 #ifndef _LIMITS_H___
-#ifndef _MACH_MACHLIMITS_H_
-
-/* _MACH_MACHLIMITS_H_ is used on OSF/1.  */
 #define _LIMITS_H___
-#define _MACH_MACHLIMITS_H_
 
 /* Number of bits in a `char'.  */
 #undef CHAR_BIT
@@ -37,16 +33,15 @@
 #define CHAR_MAX 127
 #endif
 
+#ifndef __SHRT_MAX__
+#define __SHRT_MAX__ 32767
+#endif
+
 /* Minimum and maximum values a `signed short int' can hold.  */
 #undef SHRT_MIN
-/* For the sake of 16 bit hosts, we may not use -32768 */
-#define SHRT_MIN (-32767-1)
+#define SHRT_MIN (-SHRT_MAX-1)
 #undef SHRT_MAX
-#define SHRT_MAX 32767
-
-/* Maximum value an `unsigned short int' can hold.  (Minimum is 0).  */
-#undef USHRT_MAX
-#define USHRT_MAX 65535
+#define SHRT_MAX __SHRT_MAX__
 
 /* Minimum and maximum values a `signed int' can hold.  */
 #ifndef __INT_MAX__
@@ -57,6 +52,14 @@
 #undef INT_MAX
 #define INT_MAX __INT_MAX__
 
+/* Maximum value an `unsigned short int' can hold.  (Minimum is 0).  */
+#undef USHRT_MAX
+#if __SHRT_MAX__ == __INT_MAX__
+#define USHRT_MAX (SHRT_MAX * 2U + 1U)
+#else
+#define USHRT_MAX (SHRT_MAX * 2 + 1)
+#endif
+
 /* Maximum value an `unsigned int' can hold.  (Minimum is 0).  */
 #undef UINT_MAX
 #define UINT_MAX (INT_MAX * 2U + 1)
@@ -64,7 +67,7 @@
 /* Minimum and maximum values a `signed long int' can hold.
    (Same as `int').  */
 #ifndef __LONG_MAX__
-#if defined (__alpha__) || (defined (_ARCH_PPC) && defined (__64BIT__)) || (defined (__sparc__) && defined(__arch64__)) || defined (__sparcv9)
+#if defined (__alpha__) || (defined (__sparc__) && defined(__arch64__)) || defined (__sparcv9)
 #define __LONG_MAX__ 9223372036854775807L
 #else
 #define __LONG_MAX__ 2147483647L
@@ -79,11 +82,24 @@
 #undef ULONG_MAX
 #define ULONG_MAX (LONG_MAX * 2UL + 1)
 
-#if defined (__GNU_LIBRARY__) ? defined (__USE_GNU) : !defined (__STRICT_ANSI__)
-/* Minimum and maximum values a `signed long long int' can hold.  */
 #ifndef __LONG_LONG_MAX__
 #define __LONG_LONG_MAX__ 9223372036854775807LL
 #endif
+
+#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
+/* Minimum and maximum values a `signed long long int' can hold.  */
+#undef LLONG_MIN
+#define LLONG_MIN (-LLONG_MAX-1)
+#undef LLONG_MAX
+#define LLONG_MAX __LONG_LONG_MAX__
+
+/* Maximum value an `unsigned long long int' can hold.  (Minimum is 0).  */
+#undef ULLONG_MAX
+#define ULLONG_MAX (LLONG_MAX * 2ULL + 1)
+#endif
+
+#if defined (__GNU_LIBRARY__) ? defined (__USE_GNU) : !defined (__STRICT_ANSI__)
+/* Minimum and maximum values a `signed long long int' can hold.  */
 #undef LONG_LONG_MIN
 #define LONG_LONG_MIN (-LONG_LONG_MAX-1)
 #undef LONG_LONG_MAX
@@ -94,5 +110,4 @@
 #define ULONG_LONG_MAX (LONG_LONG_MAX * 2ULL + 1)
 #endif
 
-#endif /* _MACH_MACHLIMITS_H_ */
 #endif /* _LIMITS_H___ */