avoid false positives on ILP32 targets.

gcc/testsuite/ChangeLog:

	avoid false positives on ILP32 targets.
	* gcc.dg/tree-ssa/builtin-sprintf-warn-3.c: Same.

From-SVN: r242977

gcc/testsuite/ChangeLog

 2016-11-29  Martin Sebor  <msebor@redhat.com>
 
+	avoid false positives on ILP32 targets.
+	* gcc.dg/tree-ssa/builtin-sprintf-warn-3.c: Same.
+
+2016-11-29  Martin Sebor  <msebor@redhat.com>
+
 	PR tree-optimization/78512
 	* gcc.dg/tree-ssa/builtin-sprintf-6.c: Add test cases.
 	* gcc.dg/tree-ssa/builtin-sprintf-warn-1.c: Remove test cases.

gcc/testsuite/gcc.dg/tree-ssa/builtin-sprintf-warn-1.c

@@ -1458,7 +1458,7 @@ void test_snprintf_c_const (char *d)
 {
   T (-1, "%c",    0);            /* { dg-warning "specified destination size \[0-9\]+ is too large" } */
 
-  __builtin_snprintf (d, INT_MAX, "%c", 0);
+  __builtin_snprintf (d, INT_MAX, "%c", 0);   /* { dg-warning "specified destination size 2147483647 is too large" "ilp32" { target { ilp32 } } } */
 
   /* Verify the full text of the diagnostic for just the distinct messages
      and use abbreviations in subsequent test cases.  */

gcc/testsuite/gcc.dg/tree-ssa/builtin-sprintf-warn-3.c

@@ -248,34 +248,34 @@ void test_too_large (char *d, int x, __builtin_va_list va)
   const size_t imax = __INT_MAX__;
   const size_t imax_p1 = imax + 1;
 
-  __builtin_snprintf (d, imax,    "%c", x);
-  __builtin_snprintf (d, imax_p1, "%c", x);   /* { dg-warning "specified destination size \[0-9\]+ exceeds .INT_MAX." "" { target lp64 } } */
+  __builtin_snprintf (d, imax,    "%c", x);   /* { dg-warning "specified destination size \[0-9\]+ is too large" "INT_MAX" { target ilp32 } } */
+  __builtin_snprintf (d, imax_p1, "%c", x);   /* { dg-warning "specified destination size \[0-9\]+ exceeds .INT_MAX." "INT_MAX + 1" { target lp64 } } */
   /* { dg-warning "specified destination size \[0-9\]+ is too large" "" { target { ilp32 } } .-1 } */
 
-  __builtin_vsnprintf (d, imax,    "%c", va);
-  __builtin_vsnprintf (d, imax_p1, "%c", va);   /* { dg-warning "specified destination size \[0-9\]+ exceeds .INT_MAX." { target lp64 } } */
+  __builtin_vsnprintf (d, imax,    "%c", va);   /* { dg-warning "specified destination size \[0-9\]+ is too large" "INT_MAX" { target ilp32 } } */
+  __builtin_vsnprintf (d, imax_p1, "%c", va);   /* { dg-warning "specified destination size \[0-9\]+ exceeds .INT_MAX." "INT_MAX + 1" { target lp64 } } */
   /* { dg-warning "specified destination size \[0-9\]+ is too large" "" { target { ilp32 } } .-1 } */
 
-  __builtin___snprintf_chk (d, imax,    0, imax,    "%c", x);
-  __builtin___snprintf_chk (d, imax_p1, 0, imax_p1, "%c", x);   /* { dg-warning "specified destination size \[0-9\]+ exceeds .INT_MAX." { target lp64 } } */
-  /* { dg-warning "specified destination size \[0-9\]+ is too large" "" { target { ilp32 } } .-1 } */
+  __builtin___snprintf_chk (d, imax,    0, imax,    "%c", x);   /* { dg-warning "specified destination size \[0-9\]+ is too large" "INT_MAX" { target ilp32 } } */
+  __builtin___snprintf_chk (d, imax_p1, 0, imax_p1, "%c", x);   /* { dg-warning "specified destination size \[0-9\]+ exceeds .INT_MAX." "INT_MAX + 1" { target lp64 } } */
+  /* { dg-warning "specified destination size \[0-9\]+ is too large" "INT_MAX + 1" { target { ilp32 } } .-1 } */
 
-  __builtin___vsnprintf_chk (d, imax,    0, imax,    "%c", va);
-  __builtin___vsnprintf_chk (d, imax_p1, 0, imax_p1, "%c", va);   /* { dg-warning "specified destination size \[0-9\]+ exceeds .INT_MAX." { target lp64 } } */
+  __builtin___vsnprintf_chk (d, imax,    0, imax,    "%c", va);   /* { dg-warning "specified destination size \[0-9\]+ is too large" "INT_MAX" { target ilp32 } } */
+  __builtin___vsnprintf_chk (d, imax_p1, 0, imax_p1, "%c", va);   /* { dg-warning "specified destination size \[0-9\]+ exceeds .INT_MAX." "INT_MAX + 1" { target lp64 } } */
   /* { dg-warning "specified destination size \[0-9\]+ is too large" "" { target { ilp32 } } .-1 } */
 
   const size_t ptrmax = __PTRDIFF_MAX__;
   const size_t ptrmax_m1 = ptrmax - 1;
 
-  __builtin_snprintf (d, ptrmax_m1, "%c", x);  /* { dg-warning "specified destination size \[0-9\]+ exceeds .INT_MAX." "" { target lp64 } } */
+  __builtin_snprintf (d, ptrmax_m1, "%c", x);  /* { dg-warning "specified destination size \[0-9\]+ exceeds .INT_MAX." "PTRDIFF_MAX - 1" { target lp64 } } */
   __builtin_snprintf (d, ptrmax, "  %c", x);   /* { dg-warning "specified destination size \[0-9\]+ is too large" } */
 
-  __builtin_vsnprintf (d, ptrmax_m1, "%c", va);   /* { dg-warning "specified destination size \[0-9\]+ exceeds .INT_MAX." "" { target lp64 } } */
+  __builtin_vsnprintf (d, ptrmax_m1, "%c", va);   /* { dg-warning "specified destination size \[0-9\]+ exceeds .INT_MAX." "PTRDIFF_MAX - 1" { target lp64 } } */
   __builtin_vsnprintf (d, ptrmax,    "%c", va);   /* { dg-warning "specified destination size \[0-9\]+ is too large" } */
 
-  __builtin___snprintf_chk (d, ptrmax_m1, 0, ptrmax_m1, "%c", x);   /* { dg-warning "specified destination size \[0-9\]+ exceeds .INT_MAX." "" { target lp64 } } */
+  __builtin___snprintf_chk (d, ptrmax_m1, 0, ptrmax_m1, "%c", x);   /* { dg-warning "specified destination size \[0-9\]+ exceeds .INT_MAX." "PTRDIFF_MAX - 1" { target lp64 } } */
   __builtin___snprintf_chk (d, ptrmax,    0, ptrmax,    "%c", x);   /* { dg-warning "specified destination size \[0-9\]+ is too large" } */
 
-  __builtin___vsnprintf_chk (d, ptrmax_m1, 0, ptrmax_m1, "%c", va);   /* { dg-warning "specified destination size \[0-9\]+ exceeds .INT_MAX." "" { target lp64 } } */
+  __builtin___vsnprintf_chk (d, ptrmax_m1, 0, ptrmax_m1, "%c", va);   /* { dg-warning "specified destination size \[0-9\]+ exceeds .INT_MAX." "PTRDIFF_MAX - 1" { target lp64 } } */
   __builtin___vsnprintf_chk (d, ptrmax,    0, ptrmax,    "%c", va);   /* { dg-warning "specified destination size \[0-9\]+ is too large" } */
 }