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gimple-ssa-sprintf.c (format_integer): Set knownrange when it's known.

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gcc/ChangeLog:
	* gimple-ssa-sprintf.c (format_integer): Set knownrange when it's
	known.

gcc/testsuite/ChangeLog:
	* tree-ssa/builtin-sprintf-warn-18.c: Adjust to avoid failures
	on ILP32 targets.

From-SVN: r247444
This commit is contained in:
Martin Sebor 2017-05-01 18:45:46 +00:00 committed by Martin Sebor
parent d539a57b06
commit 4d82d0bc43
4 changed files with 18 additions and 10 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2017-05-01 Martin Sebor <msebor@redhat.com>
* gimple-ssa-sprintf.c (format_integer): Set knownrange when it's
known.
2017-05-01 Uros Bizjak <ubizjak@gmail.com>
PR target/68491

1
gcc/gimple-ssa-sprintf.c
View File

@ -1390,6 +1390,7 @@ format_integer (const directive &dir, tree arg)
res.range.max = tree_digits (arg, base, dir.prec[1],
maybesign, maybebase);
res.range.likely = res.range.min;
res.knownrange = true;
}
res.range.unlikely = res.range.max;

5
gcc/testsuite/ChangeLog
View File

@ -1,3 +1,8 @@
2017-05-01 Martin Sebor <msebor@redhat.com>
* tree-ssa/builtin-sprintf-warn-18.c: Adjust to avoid failures
on ILP32 targets.
2017-05-01 Tom de Vries <tom@codesourcery.com>
* gcc.dg/pr78768.c: Require linker plugin.

17
gcc/testsuite/gcc.dg/tree-ssa/builtin-sprintf-warn-18.c
View File

@ -114,18 +114,15 @@ void test_characters ()
void test_width_and_precision_out_of_range (char *d)
{
#if __LONG_MAX__ == 2147483647
# define MAX_P1_STR "2147483648"
#elif __LONG_MAX__ == 9223372036854775807
# define MAX_P1_STR "9223372036854775808"
#endif
T ("%" MAX_P1_STR "i", 0); /* { dg-warning "width out of range" } */
/* { dg-warning "result to exceed .INT_MAX. " "" { target *-*-* } .-1 } */
T ("%." MAX_P1_STR "i", 0); /* { dg-warning "precision out of range" } */
/* The range here happens to be a property of the compiler, not
one of the target. */
T ("%9223372036854775808i", 0); /* { dg-warning "width out of range" } */
/* { dg-warning "result to exceed .INT_MAX." "" { target *-*-* } .-1 } */
T ("%.9223372036854775808i", 0); /* { dg-warning "precision out of range" } */
/* { dg-warning "causes result to exceed .INT_MAX." "" { target *-*-* } .-1 } */
/* The following is diagnosed by -Wformat (disabled here). */
/* T ("%" MAX_P1_STR "$i", 0); */
/* T ("%9223372036854775808$i", 0); */
}
/* Verify that an excessively long directive is truncated and the truncation