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builtins.def: Change SANITIZE_FLOAT_DIVIDE to SANITIZE_NONDEFAULT. 

* builtins.def: Change SANITIZE_FLOAT_DIVIDE to SANITIZE_NONDEFAULT.
	* gcc.c (sanitize_spec_function): Likewise.
	* convert.c (convert_to_integer): Include "ubsan.h".  Add
	floating-point to integer instrumentation.
	* doc/invoke.texi: Document -fsanitize=float-cast-overflow.
	* flag-types.h (enum sanitize_code): Add SANITIZE_FLOAT_CAST and
	SANITIZE_NONDEFAULT.
	* opts.c (common_handle_option): Handle -fsanitize=float-cast-overflow.
	* sanitizer.def (BUILT_IN_UBSAN_HANDLE_FLOAT_CAST_OVERFLOW,
	BUILT_IN_UBSAN_HANDLE_FLOAT_CAST_OVERFLOW_ABORT): Add.
	* ubsan.c: Include "realmpfr.h" and "dfp.h".
	(get_ubsan_type_info_for_type): Handle REAL_TYPEs.
	(ubsan_type_descriptor): Set tkind to 0xffff for types other than
	float/double/long double.
	(ubsan_instrument_float_cast): New function.
	* ubsan.h (ubsan_instrument_float_cast): Declare.
testsuite/
	* c-c++-common/ubsan/float-cast-overflow-1.c: New test.
	* c-c++-common/ubsan/float-cast-overflow-10.c: New test.
	* c-c++-common/ubsan/float-cast-overflow-2.c: New test.
	* c-c++-common/ubsan/float-cast-overflow-3.c: New test.
	* c-c++-common/ubsan/float-cast-overflow-4.c: New test.
	* c-c++-common/ubsan/float-cast-overflow-5.c: New test.
	* c-c++-common/ubsan/float-cast-overflow-6.c: New test.
	* c-c++-common/ubsan/float-cast-overflow-7.c: New test.
	* c-c++-common/ubsan/float-cast-overflow-7.h: New file.
	* c-c++-common/ubsan/float-cast-overflow-8.c: New test.
	* c-c++-common/ubsan/float-cast-overflow-9.c: New test.
	* c-c++-common/ubsan/float-cast.h: New file.
	* g++.dg/ubsan/float-cast-overflow-bf.C: New test.
	* gcc.dg/ubsan/float-cast-overflow-bf.c: New test.
libsanitizer/
	* ubsan/ubsan_value.cc (getFloatValue): Handle 96-bit
	floating-point types.

Co-Authored-By: Jakub Jelinek <jakub@redhat.com>

From-SVN: r210862
This commit is contained in:
Marek Polacek 2014-05-23 14:44:42 +00:00 committed by Marek Polacek
parent fee9ba422f
commit 85a16bf8b5
27 changed files with 1530 additions and 8 deletions
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20
gcc/ChangeLog
View File

@ -1,3 +1,23 @@
2014-05-23 Marek Polacek <polacek@redhat.com>
Jakub Jelinek <jakub@redhat.com>
* builtins.def: Change SANITIZE_FLOAT_DIVIDE to SANITIZE_NONDEFAULT.
* gcc.c (sanitize_spec_function): Likewise.
* convert.c (convert_to_integer): Include "ubsan.h". Add
floating-point to integer instrumentation.
* doc/invoke.texi: Document -fsanitize=float-cast-overflow.
* flag-types.h (enum sanitize_code): Add SANITIZE_FLOAT_CAST and
SANITIZE_NONDEFAULT.
* opts.c (common_handle_option): Handle -fsanitize=float-cast-overflow.
* sanitizer.def (BUILT_IN_UBSAN_HANDLE_FLOAT_CAST_OVERFLOW,
BUILT_IN_UBSAN_HANDLE_FLOAT_CAST_OVERFLOW_ABORT): Add.
* ubsan.c: Include "realmpfr.h" and "dfp.h".
(get_ubsan_type_info_for_type): Handle REAL_TYPEs.
(ubsan_type_descriptor): Set tkind to 0xffff for types other than
float/double/long double.
(ubsan_instrument_float_cast): New function.
* ubsan.h (ubsan_instrument_float_cast): Declare.
2014-05-23 Jiong Wang <jiong.wang@arm.com>
* config/aarch64/predicates.md (aarch64_call_insn_operand): New

2
gcc/builtins.def
View File

@ -176,7 +176,7 @@ along with GCC; see the file COPYING3. If not see
DEF_BUILTIN (ENUM, "__builtin_" NAME, BUILT_IN_NORMAL, TYPE, TYPE, \
true, true, true, ATTRS, true, \
(flag_sanitize & (SANITIZE_ADDRESS | SANITIZE_THREAD \
| SANITIZE_UNDEFINED | SANITIZE_FLOAT_DIVIDE)))
| SANITIZE_UNDEFINED | SANITIZE_NONDEFAULT)))
#undef DEF_CILKPLUS_BUILTIN
#define DEF_CILKPLUS_BUILTIN(ENUM, NAME, TYPE, ATTRS) \

14
gcc/convert.c
View File

@ -32,6 +32,7 @@ along with GCC; see the file COPYING3. If not see
#include "diagnostic-core.h"
#include "target.h"
#include "langhooks.h"
#include "ubsan.h"
/* Convert EXPR to some pointer or reference type TYPE.
EXPR must be pointer, reference, integer, enumeral, or literal zero;
@ -394,6 +395,7 @@ convert_to_integer (tree type, tree expr)
tree intype = TREE_TYPE (expr);
unsigned int inprec = element_precision (intype);
unsigned int outprec = element_precision (type);
location_t loc = EXPR_LOCATION (expr);
/* An INTEGER_TYPE cannot be incomplete, but an ENUMERAL_TYPE can
be. Consider `enum E = { a, b = (enum E) 3 };'. */
@ -844,7 +846,17 @@ convert_to_integer (tree type, tree expr)
return build1 (CONVERT_EXPR, type, expr);
case REAL_TYPE:
return build1 (FIX_TRUNC_EXPR, type, expr);
if (flag_sanitize & SANITIZE_FLOAT_CAST)
{
expr = save_expr (expr);
tree check = ubsan_instrument_float_cast (loc, type, expr);
expr = build1 (FIX_TRUNC_EXPR, type, expr);
if (check == NULL)
return expr;
return fold_build2 (COMPOUND_EXPR, TREE_TYPE (expr), check, expr);
}
else
return build1 (FIX_TRUNC_EXPR, type, expr);
case FIXED_POINT_TYPE:
return build1 (FIXED_CONVERT_EXPR, type, expr);

7
gcc/doc/invoke.texi
View File

@ -5427,6 +5427,13 @@ Detect floating-point division by zero. Unlike other similar options,
@option{-fsanitize=undefined}, since floating-point division by zero can
be a legitimate way of obtaining infinities and NaNs.
@item -fsanitize=float-cast-overflow
@opindex fsanitize=float-cast-overflow
This option enables floating-point type to integer conversion checking.
We check that the result of the conversion does not overflow.
This option does not work well with @code{FE_INVALID} exceptions enabled.
@item -fsanitize-recover
@opindex fsanitize-recover
By default @option{-fsanitize=undefined} sanitization (and its suboptions

4
gcc/flag-types.h
View File

@ -229,9 +229,11 @@ enum sanitize_code {
SANITIZE_BOOL = 1 << 10,
SANITIZE_ENUM = 1 << 11,
SANITIZE_FLOAT_DIVIDE = 1 << 12,
SANITIZE_FLOAT_CAST = 1 << 13,
SANITIZE_UNDEFINED = SANITIZE_SHIFT | SANITIZE_DIVIDE | SANITIZE_UNREACHABLE
| SANITIZE_VLA | SANITIZE_NULL | SANITIZE_RETURN
| SANITIZE_SI_OVERFLOW | SANITIZE_BOOL | SANITIZE_ENUM
| SANITIZE_SI_OVERFLOW | SANITIZE_BOOL | SANITIZE_ENUM,
SANITIZE_NONDEFAULT = SANITIZE_FLOAT_DIVIDE | SANITIZE_FLOAT_CAST
};
/* flag_vtable_verify initialization levels. */

2
gcc/gcc.c
View File

@ -8170,7 +8170,7 @@ sanitize_spec_function (int argc, const char **argv)
if (strcmp (argv[0], "thread") == 0)
return (flag_sanitize & SANITIZE_THREAD) ? "" : NULL;
if (strcmp (argv[0], "undefined") == 0)
return ((flag_sanitize & (SANITIZE_UNDEFINED | SANITIZE_FLOAT_DIVIDE))
return ((flag_sanitize & (SANITIZE_UNDEFINED | SANITIZE_NONDEFAULT))
&& !flag_sanitize_undefined_trap_on_error) ? "" : NULL;
if (strcmp (argv[0], "leak") == 0)
return ((flag_sanitize

2
gcc/opts.c
View File

@ -1463,6 +1463,8 @@ common_handle_option (struct gcc_options *opts,
{ "enum", SANITIZE_ENUM, sizeof "enum" - 1 },
{ "float-divide-by-zero", SANITIZE_FLOAT_DIVIDE,
sizeof "float-divide-by-zero" - 1 },
{ "float-cast-overflow", SANITIZE_FLOAT_CAST,
sizeof "float-cast-overflow" - 1 },
{ NULL, 0, 0 }
};
const char *comma;

8
gcc/sanitizer.def
View File

@ -371,3 +371,11 @@ DEF_SANITIZER_BUILTIN(BUILT_IN_UBSAN_HANDLE_LOAD_INVALID_VALUE_ABORT,
"__ubsan_handle_load_invalid_value_abort",
BT_FN_VOID_PTR_PTR,
ATTR_COLD_NORETURN_NOTHROW_LEAF_LIST)
DEF_SANITIZER_BUILTIN(BUILT_IN_UBSAN_HANDLE_FLOAT_CAST_OVERFLOW,
"__ubsan_handle_float_cast_overflow",
BT_FN_VOID_PTR_PTR,
ATTR_COLD_NOTHROW_LEAF_LIST)
DEF_SANITIZER_BUILTIN(BUILT_IN_UBSAN_HANDLE_FLOAT_CAST_OVERFLOW_ABORT,
"__ubsan_handle_float_cast_overflow_abort",
BT_FN_VOID_PTR_PTR,
ATTR_COLD_NORETURN_NOTHROW_LEAF_LIST)

18
gcc/testsuite/ChangeLog
View File

@ -1,3 +1,21 @@
2014-05-23 Marek Polacek <polacek@redhat.com>
Jakub Jelinek <jakub@redhat.com>
* c-c++-common/ubsan/float-cast-overflow-1.c: New test.
* c-c++-common/ubsan/float-cast-overflow-10.c: New test.
* c-c++-common/ubsan/float-cast-overflow-2.c: New test.
* c-c++-common/ubsan/float-cast-overflow-3.c: New test.
* c-c++-common/ubsan/float-cast-overflow-4.c: New test.
* c-c++-common/ubsan/float-cast-overflow-5.c: New test.
* c-c++-common/ubsan/float-cast-overflow-6.c: New test.
* c-c++-common/ubsan/float-cast-overflow-7.c: New test.
* c-c++-common/ubsan/float-cast-overflow-7.h: New file.
* c-c++-common/ubsan/float-cast-overflow-8.c: New test.
* c-c++-common/ubsan/float-cast-overflow-9.c: New test.
* c-c++-common/ubsan/float-cast.h: New file.
* g++.dg/ubsan/float-cast-overflow-bf.C: New test.
* gcc.dg/ubsan/float-cast-overflow-bf.c: New test.
2014-05-23 Jiong Wang <jiong.wang@arm.com>
* gcc.target/aarch64/tail_indirect_call_1.c: New.

204
gcc/testsuite/c-c++-common/ubsan/float-cast-overflow-1.c Normal file
View File

@ -0,0 +1,204 @@
/* { dg-do run { target { lp64 || ilp32 } } } */
/* { dg-options "-fsanitize=float-cast-overflow" } */
/* { dg-additional-options "-msse2 -mfpmath=sse" { target { sse2_runtime && ia32 } } } */
#include <limits.h>
#include "float-cast.h"
int
main (void)
{
const double inf = __builtin_inf ();
const double nan = __builtin_nan ("");
volatile double d;
volatile signed char sc;
d = SCHAR_MIN;
CHECK_BOUNDARY (sc, d);
d = 0.0;
CHECK_BOUNDARY (sc, d);
d = SCHAR_MAX;
CHECK_BOUNDARY (sc, d);
CHECK_NONNUMBERS (sc);
volatile unsigned char uc;
d = UCHAR_MAX;
CHECK_BOUNDARY (uc, d);
d = 0.0;
CHECK_BOUNDARY (uc, d);
CHECK_NONNUMBERS (uc);
volatile short int s;
d = SHRT_MIN;
CHECK_BOUNDARY (s, d);
d = 0.0;
CHECK_BOUNDARY (s, d);
d = SHRT_MAX;
CHECK_BOUNDARY (s, d);
CHECK_NONNUMBERS (s);
volatile unsigned short int us;
d = USHRT_MAX;
CHECK_BOUNDARY (us, d);
d = 0.0;
CHECK_BOUNDARY (us, d);
CHECK_NONNUMBERS (us);
volatile int i;
d = INT_MIN;
CHECK_BOUNDARY (i, d);
d = 0.0;
CHECK_BOUNDARY (i, d);
d = INT_MAX;
CHECK_BOUNDARY (i, d);
CHECK_NONNUMBERS (i);
volatile unsigned int u;
d = UINT_MAX;
CHECK_BOUNDARY (u, d);
d = 0.0;
CHECK_BOUNDARY (u, d);
CHECK_NONNUMBERS (u);
volatile long l;
/* 64-bit vs 32-bit longs matter causes too much of a headache. */
d = 0.0;
CHECK_BOUNDARY (l, d);
CHECK_NONNUMBERS (l);
volatile unsigned long ul;
d = 0.0;
CHECK_BOUNDARY (ul, d);
CHECK_NONNUMBERS (ul);
volatile long long ll;
d = LLONG_MIN;
CHECK_BOUNDARY (ll, d);
d = 0.0;
CHECK_BOUNDARY (ll, d);
d = LLONG_MAX;
CHECK_BOUNDARY (ll, d);
CHECK_NONNUMBERS (ll);
volatile unsigned long long ull;
d = ULLONG_MAX;
CHECK_BOUNDARY (ull, d);
d = 0.0;
CHECK_BOUNDARY (ull, d);
CHECK_NONNUMBERS (ull);
return 0;
}
/* { dg-output "value -133 is outside the range of representable values of type 'signed char'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -129.5 is outside the range of representable values of type 'signed char'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -129 is outside the range of representable values of type 'signed char'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 128 is outside the range of representable values of type 'signed char'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 128.5 is outside the range of representable values of type 'signed char'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 132 is outside the range of representable values of type 'signed char'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value nan is outside the range of representable values of type 'signed char'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -nan is outside the range of representable values of type 'signed char'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value inf is outside the range of representable values of type 'signed char'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -inf is outside the range of representable values of type 'signed char'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 256 is outside the range of representable values of type 'unsigned char'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 256.5 is outside the range of representable values of type 'unsigned char'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 260 is outside the range of representable values of type 'unsigned char'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -5 is outside the range of representable values of type 'unsigned char'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -1.5 is outside the range of representable values of type 'unsigned char'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -1 is outside the range of representable values of type 'unsigned char'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value nan is outside the range of representable values of type 'unsigned char'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -nan is outside the range of representable values of type 'unsigned char'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value inf is outside the range of representable values of type 'unsigned char'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -inf is outside the range of representable values of type 'unsigned char'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -32773 is outside the range of representable values of type 'short int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -32769.5 is outside the range of representable values of type 'short int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -32769 is outside the range of representable values of type 'short int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 32768 is outside the range of representable values of type 'short int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 32768.5 is outside the range of representable values of type 'short int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 32772 is outside the range of representable values of type 'short int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value nan is outside the range of representable values of type 'short int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -nan is outside the range of representable values of type 'short int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value inf is outside the range of representable values of type 'short int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -inf is outside the range of representable values of type 'short int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 65536 is outside the range of representable values of type 'short unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 65536.5 is outside the range of representable values of type 'short unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 65540 is outside the range of representable values of type 'short unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -5 is outside the range of representable values of type 'short unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -1.5 is outside the range of representable values of type 'short unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -1 is outside the range of representable values of type 'short unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value nan is outside the range of representable values of type 'short unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -nan is outside the range of representable values of type 'short unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value inf is outside the range of representable values of type 'short unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -inf is outside the range of representable values of type 'short unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -2.14748e\\\+09 is outside the range of representable values of type 'int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -2.14748e\\\+09 is outside the range of representable values of type 'int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -2.14748e\\\+09 is outside the range of representable values of type 'int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 2.14748e\\\+09 is outside the range of representable values of type 'int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 2.14748e\\\+09 is outside the range of representable values of type 'int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 2.14748e\\\+09 is outside the range of representable values of type 'int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value nan is outside the range of representable values of type 'int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -nan is outside the range of representable values of type 'int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value inf is outside the range of representable values of type 'int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -inf is outside the range of representable values of type 'int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 4.29497e\\\+09 is outside the range of representable values of type 'unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 4.29497e\\\+09 is outside the range of representable values of type 'unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 4.29497e\\\+09 is outside the range of representable values of type 'unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -5 is outside the range of representable values of type 'unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -1.5 is outside the range of representable values of type 'unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -1 is outside the range of representable values of type 'unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value nan is outside the range of representable values of type 'unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -nan is outside the range of representable values of type 'unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value inf is outside the range of representable values of type 'unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -inf is outside the range of representable values of type 'unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value nan is outside the range of representable values of type 'long int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -nan is outside the range of representable values of type 'long int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value inf is outside the range of representable values of type 'long int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -inf is outside the range of representable values of type 'long int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -5 is outside the range of representable values of type 'long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -1.5 is outside the range of representable values of type 'long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -1 is outside the range of representable values of type 'long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value nan is outside the range of representable values of type 'long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -nan is outside the range of representable values of type 'long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value inf is outside the range of representable values of type 'long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -inf is outside the range of representable values of type 'long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 9.22337e\\\+18 is outside the range of representable values of type 'long long int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 9.22337e\\\+18 is outside the range of representable values of type 'long long int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 9.22337e\\\+18 is outside the range of representable values of type 'long long int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 9.22337e\\\+18 is outside the range of representable values of type 'long long int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 9.22337e\\\+18 is outside the range of representable values of type 'long long int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 9.22337e\\\+18 is outside the range of representable values of type 'long long int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 9.22337e\\\+18 is outside the range of representable values of type 'long long int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 9.22337e\\\+18 is outside the range of representable values of type 'long long int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 9.22337e\\\+18 is outside the range of representable values of type 'long long int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 9.22337e\\\+18 is outside the range of representable values of type 'long long int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 9.22337e\\\+18 is outside the range of representable values of type 'long long int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 9.22337e\\\+18 is outside the range of representable values of type 'long long int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 9.22337e\\\+18 is outside the range of representable values of type 'long long int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 9.22337e\\\+18 is outside the range of representable values of type 'long long int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 9.22337e\\\+18 is outside the range of representable values of type 'long long int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value nan is outside the range of representable values of type 'long long int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -nan is outside the range of representable values of type 'long long int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value inf is outside the range of representable values of type 'long long int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -inf is outside the range of representable values of type 'long long int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 1.84467e\\\+19 is outside the range of representable values of type 'long long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 1.84467e\\\+19 is outside the range of representable values of type 'long long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 1.84467e\\\+19 is outside the range of representable values of type 'long long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 1.84467e\\\+19 is outside the range of representable values of type 'long long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 1.84467e\\\+19 is outside the range of representable values of type 'long long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 1.84467e\\\+19 is outside the range of representable values of type 'long long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 1.84467e\\\+19 is outside the range of representable values of type 'long long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 1.84467e\\\+19 is outside the range of representable values of type 'long long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 1.84467e\\\+19 is outside the range of representable values of type 'long long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 1.84467e\\\+19 is outside the range of representable values of type 'long long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 1.84467e\\\+19 is outside the range of representable values of type 'long long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 1.84467e\\\+19 is outside the range of representable values of type 'long long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 1.84467e\\\+19 is outside the range of representable values of type 'long long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 1.84467e\\\+19 is outside the range of representable values of type 'long long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 1.84467e\\\+19 is outside the range of representable values of type 'long long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -5 is outside the range of representable values of type 'long long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -1.5 is outside the range of representable values of type 'long long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -1 is outside the range of representable values of type 'long long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value nan is outside the range of representable values of type 'long long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -nan is outside the range of representable values of type 'long long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value inf is outside the range of representable values of type 'long long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -inf is outside the range of representable values of type 'long long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */

79
gcc/testsuite/c-c++-common/ubsan/float-cast-overflow-10.c Normal file
View File

@ -0,0 +1,79 @@
/* { dg-do run { target dfp } } */
/* { dg-skip-if "" { ! run_expensive_tests } { "*" } { "-O2" } } */
/* { dg-options "-fsanitize=float-cast-overflow -fsanitize-recover" } */
/* { dg-additional-options "-DUSE_INT128" { target int128 } } */
/* FIXME: When _DecimalXX <-> {signed, unsigned} __int128 conversions are
supported, -DBROKEN_DECIMAL_INT128 can be removed. */
/* { dg-additional-options "-DUSE_DFP -DBROKEN_DECIMAL_INT128" } */
#include "float-cast-overflow-8.c"
/* _Decimal32 */
/* { dg-output "value <unknown> is outside the range of representable values of type 'signed char'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'signed char'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'char'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'char'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'unsigned char'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'unsigned char'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'short int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'short int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'short unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'short unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'long int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'long int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'long long int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'long long int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'long long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'long long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* _Decimal64 */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'signed char'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'signed char'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'char'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'char'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'unsigned char'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'unsigned char'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'short int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'short int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'short unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'short unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'long int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'long int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'long long int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'long long int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'long long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'long long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* _Decimal128 */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'signed char'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'signed char'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'char'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'char'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'unsigned char'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'unsigned char'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'short int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'short int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'short unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'short unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'long int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'long int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'long long int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'long long int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'long long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'long long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */

73
gcc/testsuite/c-c++-common/ubsan/float-cast-overflow-2.c Normal file
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@ -0,0 +1,73 @@
/* { dg-do run } */
/* { dg-require-effective-target int128 } */
/* { dg-options "-fsanitize=float-cast-overflow" } */
#include "float-cast.h"
int
main (void)
{
const double inf = __builtin_inf ();
const double nan = __builtin_nan ("");
volatile double d;
__int128 i;
d = INT128_MIN;
CHECK_BOUNDARY (i, d);
d = 0.0;
CHECK_BOUNDARY (i, d);
d = INT128_MAX;
CHECK_BOUNDARY (i, d);
CHECK_NONNUMBERS (i);
unsigned __int128 u;
d = UINT128_MAX;
CHECK_BOUNDARY (u, d);
d = 0.0;
CHECK_BOUNDARY (u, d);
CHECK_NONNUMBERS (u);
return 0;
}
/* { dg-output "runtime error: value 1.70141e\\\+38 is outside the range of representable values of type '__int128'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*runtime error: value 1.70141e\\\+38 is outside the range of representable values of type '__int128'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*runtime error: value 1.70141e\\\+38 is outside the range of representable values of type '__int128'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*runtime error: value 1.70141e\\\+38 is outside the range of representable values of type '__int128'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*runtime error: value 1.70141e\\\+38 is outside the range of representable values of type '__int128'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*runtime error: value 1.70141e\\\+38 is outside the range of representable values of type '__int128'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*runtime error: value 1.70141e\\\+38 is outside the range of representable values of type '__int128'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*runtime error: value 1.70141e\\\+38 is outside the range of representable values of type '__int128'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*runtime error: value 1.70141e\\\+38 is outside the range of representable values of type '__int128'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*runtime error: value 1.70141e\\\+38 is outside the range of representable values of type '__int128'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*runtime error: value 1.70141e\\\+38 is outside the range of representable values of type '__int128'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*runtime error: value 1.70141e\\\+38 is outside the range of representable values of type '__int128'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*runtime error: value 1.70141e\\\+38 is outside the range of representable values of type '__int128'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*runtime error: value 1.70141e\\\+38 is outside the range of representable values of type '__int128'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*runtime error: value 1.70141e\\\+38 is outside the range of representable values of type '__int128'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*runtime error: value nan is outside the range of representable values of type '__int128'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*runtime error: value -nan is outside the range of representable values of type '__int128'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*runtime error: value inf is outside the range of representable values of type '__int128'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*runtime error: value -inf is outside the range of representable values of type '__int128'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*runtime error: value 3.40282e\\\+38 is outside the range of representable values of type '__int128 unsigned'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*runtime error: value 3.40282e\\\+38 is outside the range of representable values of type '__int128 unsigned'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*runtime error: value 3.40282e\\\+38 is outside the range of representable values of type '__int128 unsigned'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*runtime error: value 3.40282e\\\+38 is outside the range of representable values of type '__int128 unsigned'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*runtime error: value 3.40282e\\\+38 is outside the range of representable values of type '__int128 unsigned'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*runtime error: value 3.40282e\\\+38 is outside the range of representable values of type '__int128 unsigned'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*runtime error: value 3.40282e\\\+38 is outside the range of representable values of type '__int128 unsigned'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*runtime error: value 3.40282e\\\+38 is outside the range of representable values of type '__int128 unsigned'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*runtime error: value 3.40282e\\\+38 is outside the range of representable values of type '__int128 unsigned'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*runtime error: value 3.40282e\\\+38 is outside the range of representable values of type '__int128 unsigned'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*runtime error: value 3.40282e\\\+38 is outside the range of representable values of type '__int128 unsigned'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*runtime error: value 3.40282e\\\+38 is outside the range of representable values of type '__int128 unsigned'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*runtime error: value 3.40282e\\\+38 is outside the range of representable values of type '__int128 unsigned'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*runtime error: value 3.40282e\\\+38 is outside the range of representable values of type '__int128 unsigned'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*runtime error: value 3.40282e\\\+38 is outside the range of representable values of type '__int128 unsigned'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*runtime error: value -5 is outside the range of representable values of type '__int128 unsigned'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*runtime error: value -1.5 is outside the range of representable values of type '__int128 unsigned'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*runtime error: value -1 is outside the range of representable values of type '__int128 unsigned'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*runtime error: value nan is outside the range of representable values of type '__int128 unsigned'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*runtime error: value -nan is outside the range of representable values of type '__int128 unsigned'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*runtime error: value inf is outside the range of representable values of type '__int128 unsigned'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*runtime error: value -inf is outside the range of representable values of type '__int128 unsigned'\[^\n\r]*(\n|\r\n|\r)" } */

40
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/* { dg-do run { target { lp64 || ilp32 } } } */
/* { dg-options "-fsanitize=float-cast-overflow" } */
#include <limits.h>
#include "float-cast.h"
int
main (void)
{
volatile float f;
volatile signed char s;
f = SCHAR_MIN;
CHECK_BOUNDARY (s, f);
f = 0.0;
CHECK_BOUNDARY (s, f);
f = SCHAR_MAX;
CHECK_BOUNDARY (s, f);
volatile unsigned char u;
f = UCHAR_MAX;
CHECK_BOUNDARY (u, f);
f = 0.0;
CHECK_BOUNDARY (u, f);
return 0;
}
/* { dg-output "value -133* is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -129.5 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -129 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 128 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 128.5 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 132 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 256 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 256.5 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 260 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -5 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -1.5 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -1 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */

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/* { dg-do run { target { lp64 } } } */
/* { dg-options "-fsanitize=float-cast-overflow" } */
#include <limits.h>
#include "float-cast.h"
int
main (void)
{
const long double inf = __builtin_infl ();
const long double nan = __builtin_nanl ("");
volatile long double ld;
volatile int i;
ld = INT_MIN;
CHECK_BOUNDARY (i, ld);
ld = 0.0l;
CHECK_BOUNDARY (i, ld);
ld = INT_MAX;
CHECK_BOUNDARY (i, ld);
CHECK_NONNUMBERS (i);
volatile unsigned int u;
ld = UINT_MAX;
CHECK_BOUNDARY (u, ld);
ld = 0.0l;
CHECK_BOUNDARY (u, ld);
CHECK_NONNUMBERS (u);
return 0;
}
/* { dg-output "value -2.14748e\\\+09 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -2.14748e\\\+09 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -2.14748e\\\+09 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 2.14748e\\\+09 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 2.14748e\\\+09 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 2.14748e\\\+09 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value nan is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -nan is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value inf is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -inf is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 4.29497e\\\+09 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 4.29497e\\\+09 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 4.29497e\\\+09 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -5 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -1.5 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -1 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value nan is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -nan is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value inf is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -inf is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */

40
gcc/testsuite/c-c++-common/ubsan/float-cast-overflow-5.c Normal file
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/* { dg-do run { target i?86-*-* x86_64-*-* ia64-*-* } } */
/* { dg-options "-fsanitize=float-cast-overflow" } */
#include <limits.h>
#include "float-cast.h"
int
main (void)
{
volatile __float128 f;
volatile signed char s;
f = SCHAR_MIN;
CHECK_BOUNDARY (s, f);
f = 0.0q;
CHECK_BOUNDARY (s, f);
f = SCHAR_MAX;
CHECK_BOUNDARY (s, f);
volatile unsigned char u;
f = UCHAR_MAX;
CHECK_BOUNDARY (u, f);
f = 0.0q;
CHECK_BOUNDARY (u, f);
return 0;
}
/* { dg-output "value \[^\n\r]* is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value \[^\n\r]* is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value \[^\n\r]* is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value \[^\n\r]* is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value \[^\n\r]* is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value \[^\n\r]* is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value \[^\n\r]* is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value \[^\n\r]* is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value \[^\n\r]* is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value \[^\n\r]* is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value \[^\n\r]* is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value \[^\n\r]* is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */

40
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/* { dg-do run { target { { x86_64-*-* ia64-*-* } && { ! { ia32 } } } } } */
/* { dg-options "-fsanitize=float-cast-overflow" } */
#include <limits.h>
#include "float-cast.h"
int
main (void)
{
volatile __float80 f;
volatile signed char s;
f = SCHAR_MIN;
CHECK_BOUNDARY (s, f);
f = 0.0w;
CHECK_BOUNDARY (s, f);
f = SCHAR_MAX;
CHECK_BOUNDARY (s, f);
volatile unsigned char u;
f = UCHAR_MAX;
CHECK_BOUNDARY (u, f);
f = 0.0w;
CHECK_BOUNDARY (u, f);
return 0;
}
/* { dg-output "value -133 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -129.5 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -129 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 128 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 128.5 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 132 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 256 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 256.5 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 260 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -5 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -1.5 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -1 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */

196
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/* { dg-do run } */
/* { dg-skip-if "" { ! run_expensive_tests } { "*" } { "-O2" } } */
/* { dg-options "-fsanitize=float-cast-overflow -fno-sanitize-recover" } */
/* FIXME: When _DecimalXX <-> {signed, unsigned} __int128 conversions are
supported, -DBROKEN_DECIMAL_INT128 can be removed. */
/* { dg-additional-options "-DUSE_DFP -DBROKEN_DECIMAL_INT128" { target dfp } } */
#define USE_FLT_DBL_LDBL
#ifdef __SIZEOF_INT128__
#define USE_INT128
#endif
#ifdef __SIZEOF_FLOAT80__
#define USE_FLOAT80
#endif
#ifdef __SIZEOF_FLOAT128__
#define USE_FLOAT128
#endif
#include "float-cast-overflow-7.h"
#define TEST(type1, type2) \
if (cvt_##type1##_##type2 (-0.5f) != 0) abort (); \
if (cvt_##type1##_##type2 (0.5f) != 0) abort (); \
if (cvt_##type1##_##type2 (-0.75f) != 0) abort (); \
if (cvt_##type1##_##type2 (0.75f) != 0) abort (); \
if (type1##_MIN) \
{ \
/* For RADIX 2 type1##_MIN should be always */ \
/* exactly representable in type2. */ \
if (type2##_RADIX == 2 \
|| type1##_MAX <= type2##_MAX) \
{ \
if (cvt_##type1##_##type2 (type1##_MIN) \
!= type1##_MIN) abort (); \
volatile type2 tem = ((type2) -0.75f) + type1##_MIN; \
volatile type2 tem2 = ((type2) -1.0f) + type1##_MIN; \
if (tem != tem2 \
&& cvt_##type1##_##type2 ((type2) -0.75f \
+ type1##_MIN) \
!= type1##_MIN) abort (); \
} \
else \
{ \
type2 min = type1##_MIN; \
/* tem could be below minimum here due to */ \
/* rounding. */ \
MAXT add = 1; \
while (add) \
{ \
volatile type2 tem = type1##_MIN + (type1) add; \
if (tem != min) \
break; \
MAXT newadd = add * type2##_RADIX; \
if (newadd < add || newadd > type1##_MAX) \
add = 0; \
else \
add = newadd; \
} \
if (add) \
{ \
MAXT newadd \
= (-(type1##_MIN + (type1) add)) % add; \
volatile type2 tem = type1##_MIN + (type1) newadd;\
volatile type2 tem2 = type1##_MIN + (type1) add; \
if (tem == tem2) \
add = newadd; \
else \
{ \
newadd += add; \
if (newadd < add || newadd > type1##_MAX) \
add = 0; \
else \
{ \
tem = type1##_MIN + (type1) newadd; \
if (tem == tem2) \
add = newadd; \
else \
add = 0; \
} \
} \
} \
if (add \
&& cvt_##type1##_##type2 (type1##_MIN \
+ (type1) add) \
!= type1##_MIN + (type1) add) abort (); \
} \
} \
if (type1##_MAX <= type2##_MAX) \
{ \
if (cvt_##type1##_##type2 (type1##_MAX) != type1##_MAX) \
abort (); \
volatile type2 tem = ((type2) 0.75f) + type1##_MAX; \
volatile type2 tem2 = ((type2) 1.0f) + type1##_MAX; \
if (tem < tem2 \
&& cvt_##type1##_##type2 ((type2) 0.75f + type1##_MAX)\
!= type1##_MAX) abort (); \
} \
else \
{ \
type2 max = type1##_MAX; \
/* tem could be above maximum here due to rounding. */ \
MAXT sub = 1; \
while (sub) \
{ \
volatile type2 tem = type1##_MAX - sub; \
if (tem != max) \
break; \
MAXT newsub = sub * type2##_RADIX; \
if (newsub < sub || newsub > type1##_MAX) \
sub = 0; \
else \
sub = newsub; \
} \
if (sub) \
{ \
MAXT newsub = ((type1##_MAX - sub) % sub); \
volatile type2 tem = type1##_MAX - newsub; \
volatile type2 tem2 = type1##_MAX - sub; \
if (tem == tem2) \
sub = newsub; \
else \
{ \
newsub += sub; \
if (newsub < sub || newsub > type1##_MAX) \
sub = 0; \
else \
{ \
tem = type1##_MAX - newsub; \
if (tem == tem2) \
sub = newsub; \
else \
sub = 0; \
} \
} \
} \
if (sub \
&& cvt_##type1##_##type2 (type1##_MAX - sub) \
!= type1##_MAX - sub) abort (); \
}
#ifdef si128_MAX
# define TESTS128(type2) TEST (si128, type2) TEST (ui128, type2)
#else
# define TESTS128(type2)
#endif
#define TESTS(type2) \
TEST (sc, type2) TEST (c, type2) TEST (uc, type2) \
TEST (ss, type2) TEST (us, type2) \
TEST (si, type2) TEST (ui, type2) \
TEST (sl, type2) TEST (ul, type2) \
TEST (sll, type2) TEST (ull, type2) \
TESTS128 (type2)
int
main ()
{
#ifdef f_MAX
TESTS (f)
#endif
#ifdef d_MAX
TESTS (d)
#endif
#ifdef ld_MAX
TESTS (ld)
#endif
#ifdef f80_MAX
TESTS (f80)
#endif
#ifdef f128_MAX
TESTS (f128)
#endif
#ifdef BROKEN_DECIMAL_INT128
# undef TESTS128
# define TESTS128(type2)
# undef TWO
# undef M1U
# undef MAXS
# undef MAXT
# define TWO 2ULL
# define M1U -1ULL
# define MAXS (__CHAR_BIT__ * __SIZEOF_LONG_LONG__)
# define MAXT unsigned long long
#endif
#ifdef d32_MAX
TESTS (d32)
#endif
#ifdef d64_MAX
TESTS (d64)
#endif
#ifdef d128_MAX
TESTS (d128)
#endif
return 0;
}

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#define CVTFN(type1, type2) \
__attribute__((noinline)) type1 \
cvt_##type1##_##type2 (type2 x) \
{ \
return x; \
}
typedef signed char sc;
#define sc_MIN (-__SCHAR_MAX__ - 1)
#define sc_MAX __SCHAR_MAX__
typedef unsigned char uc;
#define uc_MIN 0
#define uc_MAX (2U * __SCHAR_MAX__ + 1U)
typedef char c;
#define c_MIN ((((char) -1) > (char) 0) ? uc_MIN : sc_MIN)
#define c_MAX ((((char) -1) > (char) 0) ? uc_MAX : sc_MAX)
typedef signed short ss;
#define ss_MIN (-__SHRT_MAX__ - 1)
#define ss_MAX __SHRT_MAX__
typedef unsigned short us;
#define us_MIN 0
#define us_MAX (2U * __SHRT_MAX__ + 1U)
typedef signed int si;
#define si_MIN (-__INT_MAX__ - 1)
#define si_MAX __INT_MAX__
typedef unsigned int ui;
#define ui_MIN 0
#define ui_MAX (2U * __INT_MAX__ + 1U)
typedef signed long sl;
#define sl_MIN (-__LONG_MAX__ - 1L)
#define sl_MAX __LONG_MAX__
typedef unsigned long ul;
#define ul_MIN 0L
#define ul_MAX (2UL * __LONG_MAX__ + 1UL)
typedef signed long long sll;
#define sll_MIN (-__LONG_LONG_MAX__ - 1LL)
#define sll_MAX __LONG_LONG_MAX__
typedef unsigned long long ull;
#define ull_MIN 0LL
#define ull_MAX (2ULL * __LONG_LONG_MAX__ + 1ULL)
#ifdef USE_INT128
typedef signed __int128 si128;
# define si128_MAX \
((signed __int128) ((((unsigned __int128) 1) \
<< (__CHAR_BIT__ * __SIZEOF_INT128__ - 1)) - 1))
# define si128_MIN (-si128_MAX - 1)
typedef unsigned __int128 ui128;
#define ui128_MIN ((unsigned __int128) 0)
#define ui128_MAX (((unsigned __int128) 2) * si128_MAX + 1)
#endif
#ifdef si128_MAX
# define CVTS128(type2) CVTFN (si128, type2) CVTFN (ui128, type2)
#else
# define CVTS128(type2)
#endif
#define CVTS(type2) \
CVTFN (sc, type2) CVTFN (c, type2) CVTFN (uc, type2) \
CVTFN (ss, type2) CVTFN (us, type2) \
CVTFN (si, type2) CVTFN (ui, type2) \
CVTFN (sl, type2) CVTFN (ul, type2) \
CVTFN (sll, type2) CVTFN (ull, type2) \
CVTS128 (type2)
#ifdef __SIZEOF_INT128__
# define TWO ((unsigned __int128) 2)
# define M1U ((unsigned __int128) -1)
# define MAXS (__CHAR_BIT__ * __SIZEOF_INT128__)
# define MAXT unsigned __int128
#else
# define TWO 2ULL
# define M1U -1ULL
# define MAXS (__CHAR_BIT__ * __SIZEOF_LONG_LONG__)
# define MAXT unsigned long long
#endif
#ifdef USE_FLT_DBL_LDBL
typedef float f;
#define f_RADIX 2
#define f_MANT_DIG __FLT_MANT_DIG__
#define f_MAX ((TWO << (f_MANT_DIG - 1)) - 1)
typedef double d;
#define d_RADIX 2
#define d_MANT_DIG __DBL_MANT_DIG__
#define d_MAX ((TWO << (d_MANT_DIG - 1)) - 1)
typedef long double ld;
#define ld_RADIX 2
#define ld_MANT_DIG __LDBL_MANT_DIG__
#define ld_MAX \
(ld_MANT_DIG > MAXS ? M1U : (TWO << (ld_MANT_DIG > MAXS \
? 0 : ld_MANT_DIG - 1)) - 1)
CVTS (f)
CVTS (d)
CVTS (ld)
#endif
#ifdef USE_FLOAT80
typedef __float80 f80;
# define f80_RADIX 2
# define f80_MANT_DIG 64
# define f80_MAX ((TWO << (f80_MANT_DIG - 1)) - 1)
CVTS (f80)
#endif
#ifdef USE_FLOAT128
typedef __float128 f128;
# define f128_RADIX 2
# define f128_MANT_DIG 113
# define f128_MAX \
(f128_MANT_DIG > MAXS ? M1U : (TWO << (f128_MANT_DIG > MAXS \
? 0 : f128_MANT_DIG - 1)) - 1)
CVTS (f128)
#endif
#ifdef USE_DFP
# ifdef __cplusplus
typedef float _Decimal32 __attribute__((mode(SD)));
typedef float _Decimal64 __attribute__((mode(DD)));
typedef float _Decimal128 __attribute__((mode(TD)));
# endif
typedef _Decimal32 d32;
# define d32_RADIX 10
# define d32_MANT_DIG __DEC32_MANT_DIG__
# if d32_MANT_DIG == 7
# define d32_MAX 9999999ULL
# endif
typedef _Decimal64 d64;
# define d64_RADIX 10
# define d64_MANT_DIG __DEC64_MANT_DIG__
# if d64_MANT_DIG == 16
# define d64_MAX 9999999999999999ULL
# endif
typedef _Decimal128 d128;
# define d128_RADIX 10
# define d128_MANT_DIG __DEC128_MANT_DIG__
# if d128_MANT_DIG == 34
# ifdef __SIZEOF_INT128__
/* #define d128_MAX 0x1ed09bead87c0378d8e63ffffffff */
# define d128_MAX \
((((unsigned __int128) 0x1ed09bead87c0) << 64) + 0x378d8e63ffffffffULL)
# else
# define d128_MAX M1U
# endif
# endif
# ifdef BROKEN_DECIMAL_INT128
# undef CVTS128
# define CVTS128(type2)
# endif
CVTS (d32)
CVTS (d64)
CVTS (d128)
#endif
extern
#ifdef __cplusplus
"C"
#endif
void abort ();

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/* { dg-do run } */
/* { dg-skip-if "" { ! run_expensive_tests } { "*" } { "-O2" } } */
/* { dg-options "-fsanitize=float-cast-overflow -fsanitize-recover -DUSE_FLT_DBL_LDBL" } */
/* { dg-additional-options "-DUSE_INT128" { target int128 } } */
#include "float-cast-overflow-7.h"
#define TEST(type1, type2) \
if (type1##_MIN) \
{ \
type2 min = type1##_MIN; \
type2 add = -1.0; \
while (1) \
{ \
volatile type2 tem = min + add; \
if (tem != min) \
{ \
volatile type1 tem3 = cvt_##type1##_##type2 (tem);\
break; \
} \
add = add * type2##_RADIX; \
if (min == add) \
break; \
} \
} \
else \
{ \
volatile type1 tem3 = cvt_##type1##_##type2 (-1.0f); \
} \
{ \
type2 max = type1##_MAX; \
type2 add = 1.0; \
while (1) \
{ \
volatile type2 tem = max + add; \
if (tem != max) \
{ \
volatile type1 tem3 = cvt_##type1##_##type2 (tem); \
break; \
} \
add = add * type2##_RADIX; \
if (max == add) \
break; \
} \
}
#ifdef si128_MAX
# define TESTS128(type2) TEST (si128, type2) TEST (ui128, type2)
#else
# define TESTS128(type2)
#endif
#define TESTS(type2) \
TEST (sc, type2) TEST (c, type2) TEST (uc, type2) \
TEST (ss, type2) TEST (us, type2) \
TEST (si, type2) TEST (ui, type2) \
TEST (sl, type2) TEST (ul, type2) \
TEST (sll, type2) TEST (ull, type2) \
TESTS128 (type2)
int
main ()
{
#ifdef f_MAX
TESTS (f)
#endif
#ifdef d_MAX
TESTS (d)
#endif
#ifdef ld_MAX
TESTS (ld)
#endif
#ifdef f80_MAX
TESTS (f80)
#endif
#ifdef f128_MAX
TESTS (f128)
#endif
#ifdef BROKEN_DECIMAL_INT128
# undef TESTS128
# define TESTS128(type2)
# undef TWO
# undef M1U
# undef MAXS
# define TWO 2ULL
# define M1U -1ULL
# define MAXS (__CHAR_BIT__ * __SIZEOF_LONG_LONG__)
#endif
#ifdef d32_MAX
TESTS (d32)
#endif
#ifdef d64_MAX
TESTS (d64)
#endif
#ifdef d128_MAX
TESTS (d128)
#endif
return 0;
}
/* float */
/* { dg-output "value -129 is outside the range of representable values of type 'signed char'\[^\n\r]*(\n|\r\n|\r)" { target { ilp32 || lp64 } } } */
/* { dg-output "value \[0-9.e+-]* is outside the range of representable values of type 'signed char'\[^\n\r]*(\n|\r\n|\r)" { target { ! { ilp32 || lp64 } } } } */
/* { dg-output "\[^\n\r]*value 128 is outside the range of representable values of type 'signed char'\[^\n\r]*(\n|\r\n|\r)" { target { ilp32 || lp64 } } } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type 'signed char'\[^\n\r]*(\n|\r\n|\r)" { target { ! { ilp32 || lp64 } } } } */
/* { dg-output "\[^\n\r]*value (-129|-1) is outside the range of representable values of type 'char'\[^\n\r]*(\n|\r\n|\r)" { target { ilp32 || lp64 } } } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type 'char'\[^\n\r]*(\n|\r\n|\r)" { target { ! { ilp32 || lp64 } } } } */
/* { dg-output "\[^\n\r]*value (128|256) is outside the range of representable values of type 'char'\[^\n\r]*(\n|\r\n|\r)" { target { ilp32 || lp64 } } } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type 'char'\[^\n\r]*(\n|\r\n|\r)" { target { ! { ilp32 || lp64 } } } } */
/* { dg-output "\[^\n\r]*value -1 is outside the range of representable values of type 'unsigned char'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 256 is outside the range of representable values of type 'unsigned char'\[^\n\r]*(\n|\r\n|\r)" { target { ilp32 || lp64 } } } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type 'unsigned char'\[^\n\r]*(\n|\r\n|\r)" { target { ! { ilp32 || lp64 } } } } */
/* { dg-output "\[^\n\r]*value -32769 is outside the range of representable values of type 'short int'\[^\n\r]*(\n|\r\n|\r)" { target { ilp32 || lp64 } } } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type 'short int'\[^\n\r]*(\n|\r\n|\r)" { target { ! { ilp32 || lp64 } } } } */
/* { dg-output "\[^\n\r]*value 32768 is outside the range of representable values of type 'short int'\[^\n\r]*(\n|\r\n|\r)" { target { ilp32 || lp64 } } } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type 'short int'\[^\n\r]*(\n|\r\n|\r)" { target { ! { ilp32 || lp64 } } } } */
/* { dg-output "\[^\n\r]*value -1 is outside the range of representable values of type 'short unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 65536 is outside the range of representable values of type 'short unsigned int'\[^\n\r]*(\n|\r\n|\r)" { target { ilp32 || lp64 } } } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type 'short unsigned int'\[^\n\r]*(\n|\r\n|\r)" { target { ! { ilp32 || lp64 } } } } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type 'int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type 'int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -1 is outside the range of representable values of type 'unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type 'unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type 'long int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type 'long int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -1 is outside the range of representable values of type 'long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type 'long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type 'long long int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type 'long long int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -1 is outside the range of representable values of type 'long long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type 'long long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type '__int128'\[^\n\r]*(\n|\r\n|\r)" { target { int128 } } } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type '__int128'\[^\n\r]*(\n|\r\n|\r)" { target { int128 } } } */
/* { dg-output "\[^\n\r]*value -1 is outside the range of representable values of type '__int128 unsigned'\[^\n\r]*(\n|\r\n|\r)" { target { int128 } } } */
/* No error for float and __int128 unsigned max value, as ui128_MAX is +Inf in float. */
/* double */
/* { dg-output "\[^\n\r]*value -129 is outside the range of representable values of type 'signed char'\[^\n\r]*(\n|\r\n|\r)" { target { ilp32 || lp64 } } } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type 'signed char'\[^\n\r]*(\n|\r\n|\r)" { target { ! { ilp32 || lp64 } } } } */
/* { dg-output "\[^\n\r]*value 128 is outside the range of representable values of type 'signed char'\[^\n\r]*(\n|\r\n|\r)" { target { ilp32 || lp64 } } } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type 'signed char'\[^\n\r]*(\n|\r\n|\r)" { target { ! { ilp32 || lp64 } } } } */
/* { dg-output "\[^\n\r]*value (-129|-1) is outside the range of representable values of type 'char'\[^\n\r]*(\n|\r\n|\r)" { target { ilp32 || lp64 } } } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type 'char'\[^\n\r]*(\n|\r\n|\r)" { target { ! { ilp32 || lp64 } } } } */
/* { dg-output "\[^\n\r]*value (128|256) is outside the range of representable values of type 'char'\[^\n\r]*(\n|\r\n|\r)" { target { ilp32 || lp64 } } } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type 'char'\[^\n\r]*(\n|\r\n|\r)" { target { ! { ilp32 || lp64 } } } } */
/* { dg-output "\[^\n\r]*value -1 is outside the range of representable values of type 'unsigned char'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 256 is outside the range of representable values of type 'unsigned char'\[^\n\r]*(\n|\r\n|\r)" { target { ilp32 || lp64 } } } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type 'unsigned char'\[^\n\r]*(\n|\r\n|\r)" { target { ! { ilp32 || lp64 } } } } */
/* { dg-output "\[^\n\r]*value -32769 is outside the range of representable values of type 'short int'\[^\n\r]*(\n|\r\n|\r)" { target { ilp32 || lp64 } } } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type 'short int'\[^\n\r]*(\n|\r\n|\r)" { target { ! { ilp32 || lp64 } } } } */
/* { dg-output "\[^\n\r]*value 32768 is outside the range of representable values of type 'short int'\[^\n\r]*(\n|\r\n|\r)" { target { ilp32 || lp64 } } } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type 'short int'\[^\n\r]*(\n|\r\n|\r)" { target { ! { ilp32 || lp64 } } } } */
/* { dg-output "\[^\n\r]*value -1 is outside the range of representable values of type 'short unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 65536 is outside the range of representable values of type 'short unsigned int'\[^\n\r]*(\n|\r\n|\r)" { target { ilp32 || lp64 } } } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type 'short unsigned int'\[^\n\r]*(\n|\r\n|\r)" { target { ! { ilp32 || lp64 } } } } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type 'int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type 'int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -1 is outside the range of representable values of type 'unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type 'unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type 'long int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type 'long int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -1 is outside the range of representable values of type 'long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type 'long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type 'long long int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type 'long long int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -1 is outside the range of representable values of type 'long long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type 'long long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type '__int128'\[^\n\r]*(\n|\r\n|\r)" { target { int128 } } } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type '__int128'\[^\n\r]*(\n|\r\n|\r)" { target { int128 } } } */
/* { dg-output "\[^\n\r]*value -1 is outside the range of representable values of type '__int128 unsigned'\[^\n\r]*(\n|\r\n|\r)" { target { int128 } } } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type '__int128 unsigned'\[^\n\r]*(\n|\r\n|\r)" { target { int128 } } } */
/* long double */
/* { dg-output "\[^\n\r]*value -129 is outside the range of representable values of type 'signed char'\[^\n\r]*(\n|\r\n|\r)" { target { ilp32 || lp64 } } } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type 'signed char'\[^\n\r]*(\n|\r\n|\r)" { target { ! { ilp32 || lp64 } } } } */
/* { dg-output "\[^\n\r]*value 128 is outside the range of representable values of type 'signed char'\[^\n\r]*(\n|\r\n|\r)" { target { ilp32 || lp64 } } } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type 'signed char'\[^\n\r]*(\n|\r\n|\r)" { target { ! { ilp32 || lp64 } } } } */
/* { dg-output "\[^\n\r]*value (-129|-1) is outside the range of representable values of type 'char'\[^\n\r]*(\n|\r\n|\r)" { target { ilp32 || lp64 } } } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type 'char'\[^\n\r]*(\n|\r\n|\r)" { target { ! { ilp32 || lp64 } } } } */
/* { dg-output "\[^\n\r]*value (128|256) is outside the range of representable values of type 'char'\[^\n\r]*(\n|\r\n|\r)" { target { ilp32 || lp64 } } } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type 'char'\[^\n\r]*(\n|\r\n|\r)" { target { ! { ilp32 || lp64 } } } } */
/* { dg-output "\[^\n\r]*value -1 is outside the range of representable values of type 'unsigned char'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 256 is outside the range of representable values of type 'unsigned char'\[^\n\r]*(\n|\r\n|\r)" { target { ilp32 || lp64 } } } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type 'unsigned char'\[^\n\r]*(\n|\r\n|\r)" { target { ! { ilp32 || lp64 } } } } */
/* { dg-output "\[^\n\r]*value -32769 is outside the range of representable values of type 'short int'\[^\n\r]*(\n|\r\n|\r)" { target { ilp32 || lp64 } } } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type 'short int'\[^\n\r]*(\n|\r\n|\r)" { target { ! { ilp32 || lp64 } } } } */
/* { dg-output "\[^\n\r]*value 32768 is outside the range of representable values of type 'short int'\[^\n\r]*(\n|\r\n|\r)" { target { ilp32 || lp64 } } } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type 'short int'\[^\n\r]*(\n|\r\n|\r)" { target { ! { ilp32 || lp64 } } } } */
/* { dg-output "\[^\n\r]*value -1 is outside the range of representable values of type 'short unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 65536 is outside the range of representable values of type 'short unsigned int'\[^\n\r]*(\n|\r\n|\r)" { target { ilp32 || lp64 } } } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type 'short unsigned int'\[^\n\r]*(\n|\r\n|\r)" { target { ! { ilp32 || lp64 } } } } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type 'int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type 'int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -1 is outside the range of representable values of type 'unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type 'unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type 'long int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type 'long int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -1 is outside the range of representable values of type 'long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type 'long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type 'long long int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type 'long long int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -1 is outside the range of representable values of type 'long long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type 'long long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type '__int128'\[^\n\r]*(\n|\r\n|\r)" { target { int128 } } } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type '__int128'\[^\n\r]*(\n|\r\n|\r)" { target { int128 } } } */
/* { dg-output "\[^\n\r]*value -1 is outside the range of representable values of type '__int128 unsigned'\[^\n\r]*(\n|\r\n|\r)" { target { int128 } } } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type '__int128 unsigned'\[^\n\r]*(\n|\r\n|\r)" { target { int128 } } } */

61
gcc/testsuite/c-c++-common/ubsan/float-cast-overflow-9.c Normal file
View File

@ -0,0 +1,61 @@
/* { dg-do run { target { i?86-*-linux* x86_64-*-linux* } } } */
/* { dg-skip-if "" { ! run_expensive_tests } { "*" } { "-O2" } } */
/* { dg-options "-fsanitize=float-cast-overflow -fsanitize-recover -DUSE_FLOAT80 -DUSE_FLOAT128" } */
/* { dg-additional-options "-DUSE_INT128" { target int128 } } */
#include "float-cast-overflow-8.c"
/* __float80 */
/* { dg-output "value -129 is outside the range of representable values of type 'signed char'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 128 is outside the range of representable values of type 'signed char'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value (-129|-1) is outside the range of representable values of type 'char'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value (128|256) is outside the range of representable values of type 'char'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -1 is outside the range of representable values of type 'unsigned char'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 256 is outside the range of representable values of type 'unsigned char'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -32769 is outside the range of representable values of type 'short int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 32768 is outside the range of representable values of type 'short int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -1 is outside the range of representable values of type 'short unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 65536 is outside the range of representable values of type 'short unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type 'int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type 'int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -1 is outside the range of representable values of type 'unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type 'unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type 'long int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type 'long int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -1 is outside the range of representable values of type 'long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type 'long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type 'long long int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type 'long long int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -1 is outside the range of representable values of type 'long long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type 'long long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type '__int128'\[^\n\r]*(\n|\r\n|\r)" { target int128 } } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type '__int128'\[^\n\r]*(\n|\r\n|\r)" { target int128 } } */
/* { dg-output "\[^\n\r]*value -1 is outside the range of representable values of type '__int128 unsigned'\[^\n\r]*(\n|\r\n|\r)" { target int128 } } */
/* { dg-output "\[^\n\r]*value \[0-9.e+-]* is outside the range of representable values of type '__int128 unsigned'\[^\n\r]*(\n|\r\n|\r)" { target int128 } } */
/* __float128 */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'signed char'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'signed char'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'char'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'char'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'unsigned char'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'unsigned char'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'short int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'short int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'short unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'short unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'long int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'long int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'long long int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'long long int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'long long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type 'long long unsigned int'\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type '__int128'\[^\n\r]*(\n|\r\n|\r)" { target int128 } } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type '__int128'\[^\n\r]*(\n|\r\n|\r)" { target int128 } } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type '__int128 unsigned'\[^\n\r]*(\n|\r\n|\r)" { target int128 } } */
/* { dg-output "\[^\n\r]*value <unknown> is outside the range of representable values of type '__int128 unsigned'\[^\n\r]*(\n|\r\n|\r)" { target int128 } } */

28
gcc/testsuite/c-c++-common/ubsan/float-cast.h Normal file
View File

@ -0,0 +1,28 @@
/* Various macros for -fsanitize=float-cast-overflow testing. */
#define INT128_MAX (__int128) (((unsigned __int128) 1 << ((__SIZEOF_INT128__ * __CHAR_BIT__) - 1)) - 1)
#define INT128_MIN (-INT128_MAX - 1)
#define UINT128_MAX ((2 * (unsigned __int128) INT128_MAX) + 1)
#define CHECK_BOUNDARY(VAR, VAL) \
(VAR) = (VAL) - 5.0; \
(VAR) = (VAL) - 1.5; \
(VAR) = (VAL) - 1.0; \
(VAR) = (VAL) - 0.75; \
(VAR) = (VAL) - 0.5; \
(VAR) = (VAL) - 0.0000001; \
(VAR) = (VAL) - 0.0; \
(VAR) = (VAL); \
(VAR) = (VAL) + 0.0; \
(VAR) = (VAL) + 0.0000001; \
(VAR) = (VAL) + 0.5; \
(VAR) = (VAL) + 0.75; \
(VAR) = (VAL) + 1.0; \
(VAR) = (VAL) + 1.5; \
(VAR) = (VAL) + 5.0;
#define CHECK_NONNUMBERS(VAR) \
(VAR) = nan; \
(VAR) = -nan; \
(VAR) = inf; \
(VAR) = -inf;

62
gcc/testsuite/g++.dg/ubsan/float-cast-overflow-bf.C Normal file
View File

@ -0,0 +1,62 @@
// { dg-do run { target { int32 } } }
// { dg-options "-fsanitize=float-cast-overflow" }
#define INT_MAX __INT_MAX__
#define INT_MIN (-__INT_MAX__ - 1)
#define UINT_MAX 2 * (unsigned) __INT_MAX__ + 1
struct S
{
int i:1;
} s;
struct T
{
unsigned int i:1;
} t;
int
main (void)
{
volatile double d;
#define CHECK_BOUNDARY(VAR, VAL) \
(VAR) = (VAL) - 1.5; \
(VAR) = (VAL) - 1.0; \
(VAR) = (VAL) - 0.75; \
(VAR) = (VAL) - 0.5; \
(VAR) = (VAL) - 0.0000001; \
(VAR) = (VAL) - 0.0; \
(VAR) = (VAL); \
(VAR) = (VAL) + 0.0; \
(VAR) = (VAL) + 0.0000001; \
(VAR) = (VAL) + 0.5; \
(VAR) = (VAL) + 0.75; \
(VAR) = (VAL) + 1.0; \
(VAR) = (VAL) + 1.5;
/* Signed bit-field. (INT_MIN, INT_MAX) is valid. */
d = INT_MIN;
CHECK_BOUNDARY (s.i, d);
d = 0.0;
CHECK_BOUNDARY (s.i, d);
d = INT_MAX;
CHECK_BOUNDARY (s.i, d);
/* Unsigned bit-field. (0, UINT_MAX) is valid. */
d = UINT_MAX;
CHECK_BOUNDARY (t.i, d);
d = 0.0;
CHECK_BOUNDARY (t.i, d);
return 0;
}
/* { dg-output "value -2.14748e\\\+09 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -2.14748e\\\+09 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 2.14748e\\\+09 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 2.14748e\\\+09 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 4.29497e\\\+09 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 4.29497e\\\+09 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -1.5 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -1 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */

72
gcc/testsuite/gcc.dg/ubsan/float-cast-overflow-bf.c Normal file
View File

@ -0,0 +1,72 @@
/* { dg-do run } */
/* { dg-options "-fsanitize=float-cast-overflow" } */
struct
{
int i:1;
} s;
struct
{
unsigned int i:1;
} t;
int
main (void)
{
volatile double d;
#define CHECK_BOUNDARY(VAR, VAL) \
(VAR) = (VAL) - 1.5; \
(VAR) = (VAL) - 1.0; \
(VAR) = (VAL) - 0.5; \
(VAR) = (VAL) - 0.0000001; \
(VAR) = (VAL) - 0.0; \
(VAR) = (VAL); \
(VAR) = (VAL) + 0.0; \
(VAR) = (VAL) + 0.0000001; \
(VAR) = (VAL) + 0.5; \
(VAR) = (VAL) + 1.0; \
(VAR) = (VAL) + 1.5;
/* Signed bit-field. (-1, 0) is valid. */
d = -1.0;
CHECK_BOUNDARY (s.i, d);
d = 0.0;
CHECK_BOUNDARY (s.i, d);
d = 1.0;
CHECK_BOUNDARY (s.i, d);
/* Unsigned bit-field. (0, 1) is valid. */
d = -1.0;
CHECK_BOUNDARY (t.i, d);
d = 0.0;
CHECK_BOUNDARY (t.i, d);
d = 1.0;
CHECK_BOUNDARY (t.i, d);
return 0;
}
/* { dg-output "value -2.5 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -2 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 1 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 1.5 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 1 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 1 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 1 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 1 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 1.5 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 2 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 2.5 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -2.5 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -2 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -1.5 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -1 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -1 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -1 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -1 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -1.5 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value -1 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 2 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */
/* { dg-output "\[^\n\r]*value 2.5 is outside the range of representable values of type\[^\n\r]*(\n|\r\n|\r)" } */

146
gcc/ubsan.c
View File

@ -47,6 +47,8 @@ along with GCC; see the file COPYING3. If not see
#include "asan.h"
#include "gimplify-me.h"
#include "intl.h"
#include "realmpfr.h"
#include "dfp.h"
/* Map from a tree to a VAR_DECL tree. */
@ -267,9 +269,14 @@ static unsigned short
get_ubsan_type_info_for_type (tree type)
{
gcc_assert (TYPE_SIZE (type) && tree_fits_uhwi_p (TYPE_SIZE (type)));
int prec = exact_log2 (tree_to_uhwi (TYPE_SIZE (type)));
gcc_assert (prec != -1);
return (prec << 1) | !TYPE_UNSIGNED (type);
if (TREE_CODE (type) == REAL_TYPE)
return tree_to_uhwi (TYPE_SIZE (type));
else
{
int prec = exact_log2 (tree_to_uhwi (TYPE_SIZE (type)));
gcc_assert (prec != -1);
return (prec << 1) | !TYPE_UNSIGNED (type);
}
}
/* Helper routine that returns ADDR_EXPR of a VAR_DECL of a type
@ -359,7 +366,14 @@ ubsan_type_descriptor (tree type, bool want_pointer_type_p)
tkind = 0x0000;
break;
case REAL_TYPE:
tkind = 0x0001;
/* FIXME: libubsan right now only supports float, double and
long double type formats. */
if (TYPE_MODE (type) == TYPE_MODE (float_type_node)
|| TYPE_MODE (type) == TYPE_MODE (double_type_node)
|| TYPE_MODE (type) == TYPE_MODE (long_double_type_node))
tkind = 0x0001;
else
tkind = 0xffff;
break;
default:
tkind = 0xffff;
@ -891,6 +905,130 @@ instrument_bool_enum_load (gimple_stmt_iterator *gsi)
gsi_insert_before (&gsi2, g, GSI_SAME_STMT);
}
/* Instrument float point-to-integer conversion. TYPE is an integer type of
destination, EXPR is floating-point expression. */
tree
ubsan_instrument_float_cast (location_t loc, tree type, tree expr)
{
tree expr_type = TREE_TYPE (expr);
tree t, tt, fn, min, max;
enum machine_mode mode = TYPE_MODE (expr_type);
int prec = TYPE_PRECISION (type);
bool uns_p = TYPE_UNSIGNED (type);
/* Float to integer conversion first truncates toward zero, so
even signed char c = 127.875f; is not problematic.
Therefore, we should complain only if EXPR is unordered or smaller
or equal than TYPE_MIN_VALUE - 1.0 or greater or equal than
TYPE_MAX_VALUE + 1.0. */
if (REAL_MODE_FORMAT (mode)->b == 2)
{
/* For maximum, TYPE_MAX_VALUE might not be representable
in EXPR_TYPE, e.g. if TYPE is 64-bit long long and
EXPR_TYPE is IEEE single float, but TYPE_MAX_VALUE + 1.0 is
either representable or infinity. */
REAL_VALUE_TYPE maxval = dconst1;
SET_REAL_EXP (&maxval, REAL_EXP (&maxval) + prec - !uns_p);
real_convert (&maxval, mode, &maxval);
max = build_real (expr_type, maxval);
/* For unsigned, assume -1.0 is always representable. */
if (uns_p)
min = build_minus_one_cst (expr_type);
else
{
/* TYPE_MIN_VALUE is generally representable (or -inf),
but TYPE_MIN_VALUE - 1.0 might not be. */
REAL_VALUE_TYPE minval = dconstm1, minval2;
SET_REAL_EXP (&minval, REAL_EXP (&minval) + prec - 1);
real_convert (&minval, mode, &minval);
real_arithmetic (&minval2, MINUS_EXPR, &minval, &dconst1);
real_convert (&minval2, mode, &minval2);
if (real_compare (EQ_EXPR, &minval, &minval2)
&& !real_isinf (&minval))
{
/* If TYPE_MIN_VALUE - 1.0 is not representable and
rounds to TYPE_MIN_VALUE, we need to subtract
more. As REAL_MODE_FORMAT (mode)->p is the number
of base digits, we want to subtract a number that
will be 1 << (REAL_MODE_FORMAT (mode)->p - 1)
times smaller than minval. */
minval2 = dconst1;
gcc_assert (prec > REAL_MODE_FORMAT (mode)->p);
SET_REAL_EXP (&minval2,
REAL_EXP (&minval2) + prec - 1
- REAL_MODE_FORMAT (mode)->p + 1);
real_arithmetic (&minval2, MINUS_EXPR, &minval, &minval2);
real_convert (&minval2, mode, &minval2);
}
min = build_real (expr_type, minval2);
}
}
else if (REAL_MODE_FORMAT (mode)->b == 10)
{
/* For _Decimal128 up to 34 decimal digits, - sign,
dot, e, exponent. */
char buf[64];
mpfr_t m;
int p = REAL_MODE_FORMAT (mode)->p;
REAL_VALUE_TYPE maxval, minval;
/* Use mpfr_snprintf rounding to compute the smallest
representable decimal number greater or equal than
1 << (prec - !uns_p). */
mpfr_init2 (m, prec + 2);
mpfr_set_ui_2exp (m, 1, prec - !uns_p, GMP_RNDN);
mpfr_snprintf (buf, sizeof buf, "%.*RUe", p - 1, m);
decimal_real_from_string (&maxval, buf);
max = build_real (expr_type, maxval);
/* For unsigned, assume -1.0 is always representable. */
if (uns_p)
min = build_minus_one_cst (expr_type);
else
{
/* Use mpfr_snprintf rounding to compute the largest
representable decimal number less or equal than
(-1 << (prec - 1)) - 1. */
mpfr_set_si_2exp (m, -1, prec - 1, GMP_RNDN);
mpfr_sub_ui (m, m, 1, GMP_RNDN);
mpfr_snprintf (buf, sizeof buf, "%.*RDe", p - 1, m);
decimal_real_from_string (&minval, buf);
min = build_real (expr_type, minval);
}
mpfr_clear (m);
}
else
return NULL_TREE;
if (flag_sanitize_undefined_trap_on_error)
fn = build_call_expr_loc (loc, builtin_decl_explicit (BUILT_IN_TRAP), 0);
else
{
/* Create the __ubsan_handle_float_cast_overflow fn call. */
tree data = ubsan_create_data ("__ubsan_float_cast_overflow_data", NULL,
NULL,
ubsan_type_descriptor (expr_type, false),
ubsan_type_descriptor (type, false),
NULL_TREE);
enum built_in_function bcode
= flag_sanitize_recover
? BUILT_IN_UBSAN_HANDLE_FLOAT_CAST_OVERFLOW
: BUILT_IN_UBSAN_HANDLE_FLOAT_CAST_OVERFLOW_ABORT;
fn = builtin_decl_explicit (bcode);
fn = build_call_expr_loc (loc, fn, 2,
build_fold_addr_expr_loc (loc, data),
ubsan_encode_value (expr, false));
}
t = fold_build2 (UNLE_EXPR, boolean_type_node, expr, min);
tt = fold_build2 (UNGE_EXPR, boolean_type_node, expr, max);
return fold_build3 (COND_EXPR, void_type_node,
fold_build2 (TRUTH_OR_EXPR, boolean_type_node, t, tt),
fn, integer_zero_node);
}
namespace {
const pass_data pass_data_ubsan =

1
gcc/ubsan.h
View File

@ -44,6 +44,7 @@ extern tree ubsan_type_descriptor (tree, bool);
extern tree ubsan_encode_value (tree, bool = false);
extern bool is_ubsan_builtin_p (tree);
extern tree ubsan_build_overflow_builtin (tree_code, location_t, tree, tree, tree);
extern tree ubsan_instrument_float_cast (location_t, tree, tree);
#endif /* GCC_UBSAN_H */

5
libsanitizer/ChangeLog
View File

@ -1,3 +1,8 @@
2014-05-23 Marek Polacek <polacek@redhat.com>
* ubsan/ubsan_value.cc (getFloatValue): Handle 96-bit
floating-point types.
2014-05-22 Kostya Serebryany <kcc@google.com>
* All source files: Merge from upstream r209283.

1
libsanitizer/ubsan/ubsan_value.cc
View File

@ -92,6 +92,7 @@ FloatMax Value::getFloatValue() const {
switch (getType().getFloatBitWidth()) {
case 64: return *reinterpret_cast<double*>(Val);
case 80: return *reinterpret_cast<long double*>(Val);
case 96: return *reinterpret_cast<long double*>(Val);
case 128: return *reinterpret_cast<long double*>(Val);
}
}