hwint.h: If the current compiler has no 64-bit type at all, make HOST_WIDEST_INT 32 bits.

	* hwint.h: If the current compiler has no 64-bit type at all,
	make HOST_WIDEST_INT 32 bits.

From-SVN: r60951

gcc/ChangeLog

+2003-01-06  Zack Weinberg  <zack@codesourcery.com>
+
+	* hwint.h: If the current compiler has no 64-bit type at all,
+	make HOST_WIDEST_INT 32 bits.
+
 2003-01-06  Eric Christopher  <echristo@redhat.com>
 
 	* config/mips/mips.md (movdf_internal2): Fix constraints.

gcc/hwint.h

@@ -88,10 +88,11 @@ extern char sizeof_long_long_must_be_8[sizeof(long long) == 8 ? 1 : -1];
 # define HOST_WIDE_INT_PRINT_DOUBLE_HEX "0x%llx%016llx"
 #endif
 
-/* Set HOST_WIDEST_INT.  Unlike HOST_WIDE_INT, this must always be
-   at least 64 bits wide.  */
+/* Set HOST_WIDEST_INT.  This is a 64-bit type unless the compiler
+   in use has no 64-bit type at all; in that case it's 32 bits.  */
 
-#if HOST_BITS_PER_WIDE_INT >= 64
+#if HOST_BITS_PER_WIDE_INT >= 64 \
+    || (HOST_BITS_PER_LONGLONG < 64 && HOST_BITS_PER___INT64 < 64)
 # define HOST_WIDEST_INT		      HOST_WIDE_INT
 # define HOST_BITS_PER_WIDEST_INT	      HOST_BITS_PER_WIDE_INT
 # define HOST_WIDEST_INT_PRINT_DEC	      HOST_WIDE_INT_PRINT_DEC
@@ -110,7 +111,7 @@ extern char sizeof_long_long_must_be_8[sizeof(long long) == 8 ? 1 : -1];
 #   define HOST_BITS_PER_WIDEST_INT	      HOST_BITS_PER___INT64
 #   define HOST_WIDEST_INT		      __int64
 #  else
-    #error "Unable to find a suitable type for HOST_WIDEST_INT"
+    #error "This line should be impossible to reach"
 #  endif
 # endif
 # define HOST_WIDEST_INT_PRINT_DEC	      "%lld"