+Wed Mar 18 09:52:56 1998 Richard Henderson <rth@cygnus.com>
+
+ * rtl.c (read_rtx): Fall back on homebrew atoll if HOST_WIDE_INT
+ is large, and the system doesn't provide atoll or atoq.
+ (atoll): New.
+
+ * alpha/xm-vms.h (HAVE_ATOLL): Define.
+ Reported by Klaus Kaempf <kkaempf@progis.de>.
+
Wed Mar 18 09:56:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* c-lang.c (finish_file): Wrap variable `void_list_node' with macro
*p = 0;
}
\f
+/* Provide a version of a function to read a long long if the system does
+ not provide one. */
+#if HOST_BITS_PER_WIDE_INT > HOST_BITS_PER_LONG && !defined(HAVE_ATOLL) && !defined(HAVE_ATOQ)
+HOST_WIDE_INT
+atoll(p)
+ const char *p;
+{
+ int neg = 0;
+ HOST_WIDE_INT tmp_wide;
+
+ while (isspace(*p))
+ p++;
+ if (*p == '-')
+ neg = 1, p++;
+ else if (*p == '+')
+ p++;
+
+ tmp_wide = 0;
+ while (isdigit(*p))
+ {
+ HOST_WIDE_INT new_wide = tmp_wide*10 + (*p - '0');
+ if (new_wide < tmp_wide)
+ {
+ /* Return INT_MAX equiv on overflow. */
+ tmp_wide = (~(unsigned HOST_WIDE_INT)0) >> 1;
+ break;
+ }
+ tmp_wide = new_wide;
+ p++;
+ }
+
+ if (neg)
+ tmp_wide = -tmp_wide;
+ return tmp_wide;
+}
+#endif
+
/* Read an rtx in printed representation from INFILE
and return an actual rtx in core constructed accordingly.
read_rtx is not used in the compiler proper, but rather in
#if HOST_BITS_PER_WIDE_INT == HOST_BITS_PER_LONG
tmp_wide = atol (tmp_char);
#else
-#ifdef HAVE_ATOLL
+ /* Prefer atoll over atoq, since the former is in the ISO C9X draft.
+ But prefer not to use our hand-rolled function above either. */
+#if defined(HAVE_ATOLL) || !defined(HAVE_ATOQ)
tmp_wide = atoll (tmp_char);
#else
-#ifdef HAVE_ATOQ
tmp_wide = atoq (tmp_char);
#endif
#endif
-#endif
#endif
XWINT (return_rtx, i) = tmp_wide;
break;