diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/c99-stdint-1.c')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/c99-stdint-1.c | 270 |
1 files changed, 270 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/c99-stdint-1.c b/gcc-4.9/gcc/testsuite/gcc.dg/c99-stdint-1.c new file mode 100644 index 000000000..530d13025 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/c99-stdint-1.c @@ -0,0 +1,270 @@ +/* Verify that <stdint.h> is present and follows the C99 requirements. + If this test fails because of the header being missing on a + particular target, this indicates GCC has not been correctly + configured regarding what version of <stdint.h> to install or what + the <stdint.h> types are on that target. If GCC is wrapping a + system copy of the header and some tests fail because of bugs in + that copy, they should be fixed with fixincludes (and the bugs + reported to maintainer of that copy if still present in the latest + version). */ +/* { dg-do compile } */ +/* { dg-options "-std=iso9899:1999 -pedantic-errors -fhosted" } */ +/* { dg-require-effective-target ptr32plus } */ + +#include <limits.h> +#include <stdint.h> +/* This and the later SIG_ATOMIC_* tests should be appropriately + conditioned for any freestanding targets with no <signal.h>. */ +#ifndef SIGNAL_SUPPRESS +#include <signal.h> +#endif + +/* Note that some of these conditions assume two's complement and no + padding bits; GCC only supports two's complement, and no supported + target has padding bits in any integer type of the standard + widths. */ +#define CHECK_SIGNED(TYPE) \ + do { TYPE a; int b[(TYPE)-1 < 0 ? 1 : -1]; } while (0) +#define CHECK_UNSIGNED(TYPE) \ + do { TYPE a; int b[(TYPE)-1 < 0 ? -1 : 1]; } while (0) +#define CHECK_WIDTH_EQUALS(TYPE, WIDTH) \ + do { int a[sizeof(TYPE) * CHAR_BIT == (WIDTH) ? 1 : -1]; } while (0) +#define CHECK_WIDTH_AT_LEAST(TYPE, WIDTH) \ + do { int a[sizeof(TYPE) * CHAR_BIT >= (WIDTH) ? 1 : -1]; } while (0) +#define CHECK_WIDTH_ORDER(TYPE1, TYPE2) \ + do { int a[sizeof(TYPE2) >= sizeof(TYPE1) ? 1 : -1]; } while (0) +#define CHECK_EXPR_TYPE(TYPE, EXPR) \ + do { __typeof__(EXPR) a; __typeof__((TYPE)0 + 0) *b = &a; } while (0) +#define UNSIGNED_MAX_COND(TYPE, EXPR) \ + ((EXPR) == (TYPE)-1) +#define SIGNED_MIN_MAX_COND(TYPE, MIN, MAX) \ + ((MIN) == -(MAX)-1 \ + && ((MAX) & 1) \ + && ((((MAX) >> 1) + 1) >> (sizeof(TYPE) * CHAR_BIT - 2)) == 1) +#define MIN_MAX_COND(TYPE, MIN, MAX) \ + ((TYPE)-1 < 0 \ + ? SIGNED_MIN_MAX_COND(TYPE, (MIN), (MAX)) \ + : ((MIN) == 0 && UNSIGNED_MAX_COND(TYPE, (MAX)))) +#define CHECK_SIGNED_LIMITS(TYPE, MIN, MAX) \ + CHECK_SIGNED(TYPE); \ + CHECK_EXPR_TYPE(TYPE, (MIN)); \ + CHECK_EXPR_TYPE(TYPE, (MAX)); \ + do { int a[SIGNED_MIN_MAX_COND(TYPE, (MIN), (MAX)) ? 1 : -1]; } while (0) +#define CHECK_SIGNED_LIMITS_2(TYPE, MIN, MAX, MINBD, MAXBD) \ + CHECK_SIGNED(TYPE); \ + CHECK_EXPR_TYPE(TYPE, (MIN)); \ + CHECK_EXPR_TYPE(TYPE, (MAX)); \ + do { int a[(SIGNED_MIN_MAX_COND(TYPE, (MIN), (MAX)) \ + && (MIN) <= (MINBD) \ + && (MAX) >= (MAXBD)) ? 1 : -1]; } while (0) +#define CHECK_UNSIGNED_LIMITS(TYPE, MAX) \ + CHECK_UNSIGNED(TYPE); \ + CHECK_EXPR_TYPE(TYPE, (MAX)); \ + do { int a[UNSIGNED_MAX_COND(TYPE, (MAX)) ? 1 : -1]; } while (0) +#define CHECK_UNSIGNED_LIMITS_2(TYPE, MAX, MAXBD) \ + CHECK_UNSIGNED(TYPE); \ + CHECK_EXPR_TYPE(TYPE, (MAX)); \ + do { int a[(UNSIGNED_MAX_COND(TYPE, (MAX)) \ + && (MAX) >= (MAXBD)) ? 1 : -1]; } while (0) +#define CHECK_LIMITS_2(TYPE, MIN, MAX, SMINBD, SMAXBD, UMAXBD) \ + do { int a[(MIN_MAX_COND(TYPE, (MIN), (MAX)) \ + && ((TYPE)-1 < 0 \ + ? ((MIN) <= (SMINBD) && (MAX) >= (SMAXBD)) \ + : (MAX) >= (UMAXBD))) ? 1 : -1]; } while (0) +#define CHECK_CONSTS(TYPE, MACRO) \ + CHECK_EXPR_TYPE(TYPE, MACRO(01)); \ + CHECK_EXPR_TYPE(TYPE, MACRO(2)); \ + CHECK_EXPR_TYPE(TYPE, MACRO(0x3)); \ + do { int a[(MACRO(12) == 12 \ + && MACRO(012) == 012 \ + && MACRO(0x12) == 0x12) ? 1 : -1]; } while (0); + +void +test_exact (void) +{ +#ifdef INT8_MIN + CHECK_WIDTH_EQUALS(int8_t, 8); + CHECK_SIGNED_LIMITS(int8_t, INT8_MIN, INT8_MAX); +#else + CHECK_WIDTH_AT_LEAST(int_least8_t, 9); +#endif +#ifdef INT16_MIN + CHECK_WIDTH_EQUALS(int16_t, 16); + CHECK_SIGNED_LIMITS(int16_t, INT16_MIN, INT16_MAX); +#else + CHECK_WIDTH_AT_LEAST(int_least16_t, 17); +#endif +#ifdef INT32_MIN + CHECK_WIDTH_EQUALS(int32_t, 32); + CHECK_SIGNED_LIMITS(int32_t, INT32_MIN, INT32_MAX); +#else + CHECK_WIDTH_AT_LEAST(int_least32_t, 33); +#endif +#ifdef INT64_MIN + CHECK_WIDTH_EQUALS(int64_t, 64); + CHECK_SIGNED_LIMITS(int64_t, INT64_MIN, INT64_MAX); +#else + CHECK_WIDTH_AT_LEAST(int_least64_t, 65); +#endif +#ifdef UINT8_MAX + CHECK_WIDTH_EQUALS(uint8_t, 8); + CHECK_UNSIGNED_LIMITS(uint8_t, UINT8_MAX); +#else + CHECK_WIDTH_AT_LEAST(uint_least8_t, 9); +#endif +#ifdef UINT16_MAX + CHECK_WIDTH_EQUALS(uint16_t, 16); + CHECK_UNSIGNED_LIMITS(uint16_t, UINT16_MAX); +#else + CHECK_WIDTH_AT_LEAST(uint_least16_t, 17); +#endif +#ifdef UINT32_MAX + CHECK_WIDTH_EQUALS(uint32_t, 32); + CHECK_UNSIGNED_LIMITS(uint32_t, UINT32_MAX); +#else + CHECK_WIDTH_AT_LEAST(uint_least32_t, 33); +#endif +#ifdef UINT64_MAX + CHECK_WIDTH_EQUALS(uint64_t, 64); + CHECK_UNSIGNED_LIMITS(uint64_t, UINT64_MAX); +#else + CHECK_WIDTH_AT_LEAST(uint_least64_t, 65); +#endif +} + +void +test_least (void) +{ + CHECK_WIDTH_AT_LEAST(int_least8_t, 8); + CHECK_WIDTH_ORDER(int_least8_t, int_fast8_t); + CHECK_SIGNED_LIMITS(int_least8_t, INT_LEAST8_MIN, INT_LEAST8_MAX); + CHECK_WIDTH_AT_LEAST(int_least16_t, 16); + CHECK_WIDTH_ORDER(int_least16_t, int_fast16_t); + CHECK_SIGNED_LIMITS(int_least16_t, INT_LEAST16_MIN, INT_LEAST16_MAX); + CHECK_WIDTH_AT_LEAST(int_least32_t, 32); + CHECK_WIDTH_ORDER(int_least32_t, int_fast32_t); + CHECK_SIGNED_LIMITS(int_least32_t, INT_LEAST32_MIN, INT_LEAST32_MAX); + CHECK_WIDTH_AT_LEAST(int_least64_t, 64); + CHECK_WIDTH_ORDER(int_least64_t, int_fast64_t); + CHECK_SIGNED_LIMITS(int_least64_t, INT_LEAST64_MIN, INT_LEAST64_MAX); + CHECK_WIDTH_AT_LEAST(uint_least8_t, 8); + CHECK_WIDTH_ORDER(uint_least8_t, uint_fast8_t); + CHECK_UNSIGNED_LIMITS(uint_least8_t, UINT_LEAST8_MAX); + CHECK_WIDTH_AT_LEAST(uint_least16_t, 16); + CHECK_WIDTH_ORDER(uint_least16_t, uint_fast16_t); + CHECK_UNSIGNED_LIMITS(uint_least16_t, UINT_LEAST16_MAX); + CHECK_WIDTH_AT_LEAST(uint_least32_t, 32); + CHECK_WIDTH_ORDER(uint_least32_t, uint_fast32_t); + CHECK_UNSIGNED_LIMITS(uint_least32_t, UINT_LEAST32_MAX); + CHECK_WIDTH_AT_LEAST(uint_least64_t, 64); + CHECK_WIDTH_ORDER(uint_least64_t, uint_fast64_t); + CHECK_UNSIGNED_LIMITS(uint_least64_t, UINT_LEAST64_MAX); +} + +void +test_fast (void) +{ + CHECK_WIDTH_AT_LEAST(int_fast8_t, 8); + CHECK_SIGNED_LIMITS(int_fast8_t, INT_FAST8_MIN, INT_FAST8_MAX); + CHECK_WIDTH_AT_LEAST(int_fast16_t, 16); + CHECK_SIGNED_LIMITS(int_fast16_t, INT_FAST16_MIN, INT_FAST16_MAX); + CHECK_WIDTH_AT_LEAST(int_fast32_t, 32); + CHECK_SIGNED_LIMITS(int_fast32_t, INT_FAST32_MIN, INT_FAST32_MAX); + CHECK_WIDTH_AT_LEAST(int_fast64_t, 64); + CHECK_SIGNED_LIMITS(int_fast64_t, INT_FAST64_MIN, INT_FAST64_MAX); + CHECK_WIDTH_AT_LEAST(uint_fast8_t, 8); + CHECK_UNSIGNED_LIMITS(uint_fast8_t, UINT_FAST8_MAX); + CHECK_WIDTH_AT_LEAST(uint_fast16_t, 16); + CHECK_UNSIGNED_LIMITS(uint_fast16_t, UINT_FAST16_MAX); + CHECK_WIDTH_AT_LEAST(uint_fast32_t, 32); + CHECK_UNSIGNED_LIMITS(uint_fast32_t, UINT_FAST32_MAX); + CHECK_WIDTH_AT_LEAST(uint_fast64_t, 64); + CHECK_UNSIGNED_LIMITS(uint_fast64_t, UINT_FAST64_MAX); +} + +void +test_ptr (void) +{ +#ifdef INTPTR_MIN + CHECK_SIGNED_LIMITS_2(intptr_t, INTPTR_MIN, INTPTR_MAX, -0x7fff, 0x7fff); +#endif +#ifdef UINTPTR_MAX + CHECK_UNSIGNED_LIMITS_2(uintptr_t, UINTPTR_MAX, 0xffffU); +#endif +} + +void +test_max (void) +{ + CHECK_WIDTH_AT_LEAST(intmax_t, 64); + CHECK_WIDTH_ORDER(long long, intmax_t); + CHECK_WIDTH_ORDER(int_fast8_t, intmax_t); + CHECK_WIDTH_ORDER(int_fast16_t, intmax_t); + CHECK_WIDTH_ORDER(int_fast32_t, intmax_t); + CHECK_WIDTH_ORDER(int_fast64_t, intmax_t); + CHECK_SIGNED_LIMITS(intmax_t, INTMAX_MIN, INTMAX_MAX); + CHECK_WIDTH_AT_LEAST(uintmax_t, 64); + CHECK_WIDTH_ORDER(unsigned long long, uintmax_t); + CHECK_WIDTH_ORDER(uint_fast8_t, uintmax_t); + CHECK_WIDTH_ORDER(uint_fast16_t, uintmax_t); + CHECK_WIDTH_ORDER(uint_fast32_t, uintmax_t); + CHECK_WIDTH_ORDER(uint_fast64_t, uintmax_t); + CHECK_UNSIGNED_LIMITS(uintmax_t, UINTMAX_MAX); +} + +void +test_misc_limits (void) +{ + CHECK_SIGNED_LIMITS_2(__PTRDIFF_TYPE__, PTRDIFF_MIN, PTRDIFF_MAX, -65535L, 65535L); +#ifndef SIGNAL_SUPPRESS + CHECK_LIMITS_2(sig_atomic_t, SIG_ATOMIC_MIN, SIG_ATOMIC_MAX, -127, 127, 255); +#endif + CHECK_UNSIGNED_LIMITS_2(__SIZE_TYPE__, SIZE_MAX, 65535U); + CHECK_LIMITS_2(__WCHAR_TYPE__, WCHAR_MIN, WCHAR_MAX, -127, 127, 255); + CHECK_LIMITS_2(__WINT_TYPE__, WINT_MIN, WINT_MAX, -32767, 32767, 65535); +} + +void +test_constants (void) +{ + CHECK_CONSTS(int_least8_t, INT8_C); + CHECK_CONSTS(int_least16_t, INT16_C); + CHECK_CONSTS(int_least32_t, INT32_C); + CHECK_CONSTS(int_least64_t, INT64_C); + CHECK_CONSTS(intmax_t, INTMAX_C); + CHECK_CONSTS(uint_least8_t, UINT8_C); + CHECK_CONSTS(uint_least16_t, UINT16_C); + CHECK_CONSTS(uint_least32_t, UINT32_C); + CHECK_CONSTS(uint_least64_t, UINT64_C); + CHECK_CONSTS(uintmax_t, UINTMAX_C); +#if INT8_C(12) != 12 +#error "INT8_C not usable in #if" +#endif +#if INT16_C(12) != 12 +#error "INT16_C not usable in #if" +#endif +#if INT32_C(12) != 12 +#error "INT32_C not usable in #if" +#endif +#if INT64_C(12) != 12 +#error "INT64_C not usable in #if" +#endif +#if INTMAX_C(12) != 12 +#error "INTMAX_C not usable in #if" +#endif +#if UINT8_C(12) != 12 +#error "UINT8_C not usable in #if" +#endif +#if UINT16_C(12) != 12 +#error "UINT16_C not usable in #if" +#endif +#if UINT32_C(12) != 12 +#error "UINT32_C not usable in #if" +#endif +#if UINT64_C(12) != 12 +#error "UINT64_C not usable in #if" +#endif +#if UINTMAX_C(12) != 12 +#error "UINTMAX_C not usable in #if" +#endif +} |