ad1539d555
gcc/ChangeLog: PR c/66970 * doc/cpp.texi (__has_builtin): Document. * doc/extend.texi (__builtin_frob_return_addr): Correct spelling. gcc/c/ChangeLog: PR c/66970 * c-decl.c (names_builtin_p): Define a new function. gcc/c-family/ChangeLog: PR c/66970 * c-common.c (c_common_nodes_and_builtins): Call c_define_builtins even when only preprocessing. * c-common.h (names_builtin_p): Declare new function. * c-lex.c (init_c_lex): Set has_builtin. (c_common_has_builtin): Define a new function. * c-ppoutput.c (init_pp_output): Set has_builtin. gcc/cp/ChangeLog: PR c/66970 * cp-objcp-common.c (names_builtin_p): Define new function. gcc/testsuite/ChangeLog: PR c/66970 * c-c++-common/cpp/has-builtin-2.c: New test. * c-c++-common/cpp/has-builtin-3.c: New test. * c-c++-common/cpp/has-builtin.c: New test. From-SVN: r277544
298 lines
7.2 KiB
C
298 lines
7.2 KiB
C
/* PR c/66970 - Add __has_builtin() macro
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Verify __has_builtin evaluation for common built-ins and other identifiers.
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{ dg-do compile } */
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// Verify a few library built-ins.
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#if !__has_builtin (__builtin_abs)
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# error "__has_builtin (__builtin_abs) failed"
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#endif
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#if !__has_builtin (abs)
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// abs is also a built-in unless disabled by -fno-builtin.
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# error "__has_builtin (abs) failed"
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#endif
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#if __cplusplus
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// Declare an overload and verify that __has_builtin (isalpha) still
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// evaluates to true.
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int isalpha (const char*);
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#endif
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#if !__has_builtin (__builtin_isalpha)
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# error "__has_builtin (__builtin_isalpha) failed"
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#endif
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#if !__has_builtin (isalpha)
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// isalpha is still a built-in despite the overload above.
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# error "__has_builtin (isalpha) failed"
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#endif
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#if !__has_builtin (__builtin__Exit)
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# error "__has_builtin (__builtin__Exit) failed"
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#endif
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#if !__has_builtin (__builtin_alloca)
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# error "__has_builtin (__builtin_alloca) failed"
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#endif
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#if !__has_builtin (__builtin_is_constant_evaluated)
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// __builtin_is_constant_evaluated is a C++-only built.
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# ifdef __cplusplus
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# error "__has_builtin (__builtin_is_constant_evaluated) failed"
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# endif
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#else
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# ifndef __cplusplus
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# error "__has_builtin (__builtin_is_constant_evaluated) failed"
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# endif
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#endif
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#if !__has_builtin (__builtin_expect)
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# error "__has_builtin (__builtin_expect) failed"
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#endif
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#if !__has_builtin (__builtin_trap)
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# error "__has_builtin (__builtin_trap) failed"
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#endif
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#if !__has_builtin (__builtin_unreachable)
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# error "__has_builtin (__builtin_unreachable) failed"
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#endif
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#if !__has_builtin (__builtin_LINE)
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# error "__has_builtin (__builtin_LINE) failed"
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#endif
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#if !__has_builtin (__builtin_object_size)
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# error "__has_builtin (__builtin_object_size) failed"
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#endif
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#if !__has_builtin (__builtin_inf)
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# error "__has_builtin (__builtin_inf) failed"
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#endif
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#if !__has_builtin (__builtin_nan)
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# error "__has_builtin (__builtin_nan) failed"
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#endif
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#if !__has_builtin (__builtin_bswap16)
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# error "__has_builtin (__builtin_bswap16) failed"
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#endif
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#if !__has_builtin (__builtin_bswap32)
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# error "__has_builtin (__builtin_bswap32) failed"
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#endif
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// Verify a few integer overflow built-ins.
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#if !__has_builtin (__builtin_add_overflow)
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# error "__has_builtin (__builtin_add_overflow) failed"
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#endif
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#if !__has_builtin (__builtin_sadd_overflow)
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# error "__has_builtin (__builtin_sadd_overflow) failed"
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#endif
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#if !__has_builtin (__builtin_add_overflow_p)
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# error "__has_builtin (__builtin_add_overflow_p) failed"
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#endif
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// Verify a few atomic built-ins.
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#if !__has_builtin (__atomic_load)
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# error "__has_builtin (__atomic_load) failed"
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#endif
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#if !__has_builtin (__atomic_load_n)
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# error "__has_builtin (__atomic_load_n) failed"
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#endif
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#if !__has_builtin (__atomic_store)
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# error "__has_builtin (__atomic_store) failed"
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#endif
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#if !__has_builtin (__atomic_store_n)
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# error "__has_builtin (__atomic_store_n) failed"
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#endif
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#if !__has_builtin (__atomic_exchange)
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# error "__has_builtin (__atomic_echange) failed"
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#endif
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#if !__has_builtin (__atomic_exchange_n)
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# error "__has_builtin (__atomic_exchange_n) failed"
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#endif
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// Verify a few sync built-ins.
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#if !__has_builtin (__sync_fetch_and_add)
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# error "__has_builtin (__sync_fetch_and_add) failed"
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#endif
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#if !__has_builtin (__sync_add_and_fetch)
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# error "__has_builtin (__sync_add_and_fetch) failed"
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#endif
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#if !__has_builtin (__sync_bool_compare_and_swap)
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# error "__has_builtin (__sync_bool_compare_and_swap) failed"
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#endif
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#if !__has_builtin (__sync_val_compare_and_swap)
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# error "__has_builtin (__sync_val_compare_and_swap) failed"
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#endif
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#if !__has_builtin (__sync_synchronize)
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# error "__has_builtin (__sync_synchronize) failed"
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#endif
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// Verify nonlocal goto builtins.
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#if !__has_builtin (__builtin_setjmp)
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# error "__has_builtin (__builtin_setjmp) failed"
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#endif
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#if !__has_builtin (__builtin_longjmp)
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# error "__has_builtin (__builtin_longjmp) failed"
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#endif
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// Verify a few built-ins for constructing function calls.
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#if !__has_builtin (__builtin_apply)
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# error "__has_builtin (__builtin_apply) failed"
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#endif
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#if !__has_builtin (__builtin_return)
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# error "__has_builtin (__builtin_return) failed"
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#endif
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// Verify built-ins for function return address.
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#if !__has_builtin (__builtin_return_address)
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# error "__has_builtin (__builtin_return_address) failed"
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#endif
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#if !__has_builtin (__builtin_extract_return_addr)
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# error "__has_builtin (__builtin_extract_return_addr) failed"
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#endif
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#if !__has_builtin (__builtin_frob_return_addr)
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# error "__has_builtin (__builtin_frob_return_addr) failed"
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#endif
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#if !__has_builtin (__builtin_frame_address)
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# error "__has_builtin (__builtin_frame_address) failed"
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#endif
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// Verify keywords that aren't declared built-in functions.
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#if !__has_builtin (__builtin_has_attribute)
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# error "__has_builtin (__builtin_has_attribute) failed"
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#endif
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#if !__has_builtin (__builtin_offsetof)
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# error "__has_builtin (__builtin_offsetof) failed"
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#endif
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// Verify some C-only built-ins.
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#if !__has_builtin (__builtin_types_compatible_p)
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# if !__cplusplus
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# error "__has_builtin (__builtin_types_compatible_p) failed"
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# endif
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#else
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# if __cplusplus
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# error "__has_builtin (__builtin_types_compatible_p) failed"
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# endif
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#endif
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// Verify a few C++ traits built-ins.
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#if !__has_builtin (__builtin_addressof)
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# if __cplusplus
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# error "__has_builtin (__builtin_addressof) failed"
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# endif
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#else
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# if !__cplusplus
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# error "__has_builtin (__builtin_addressof) failed"
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# endif
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#endif
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#if !__has_builtin (__builtin_launder)
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# if __cplusplus
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# error "__has_builtin (__builtin_launder) failed"
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# endif
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#else
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# if !__cplusplus
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# error "__has_builtin (__builtin_launder) failed"
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# endif
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#endif
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#if !__has_builtin (__has_nothrow_assign)
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# if __cplusplus
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# error "__has_builtin (__has_nothrow_assign) failed"
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# endif
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#else
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# if !__cplusplus
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# error "__has_builtin (__has_nothrow_assign) failed"
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# endif
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#endif
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#if !__has_builtin (__has_trivial_assign)
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# if __cplusplus
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# error "__has_builtin (__has_trivial_assign) failed"
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# endif
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#else
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# if !__cplusplus
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# error "__has_builtin (__has_trivial_assign) failed"
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# endif
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#endif
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#if !__has_builtin (__has_virtual_destructor)
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# if __cplusplus
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# error "__has_builtin (__has_virtual_destructor) failed"
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# endif
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#else
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# if !__cplusplus
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# error "__has_builtin (__has_virtual_destructor) failed"
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# endif
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#endif
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// Verify an Intel built-in that's not implemented by any other target.
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#if !__has_builtin (__builtin_ia32_pause)
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# if defined (__i386__) || defined (__x86_64__)
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# error "__has_builtin (__builtin_ia32_pause) failed"
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# endif
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#else
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# if !defined (__i386__) && !defined (__x86_64__)
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# error "__has_builtin (__builtin_ia32_pause) failed"
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# endif
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#endif
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// Verify non-functions.
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#if __has_builtin (__alignof__)
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# error "__has_builtin (__alignof__) failed"
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#endif
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#if __has_builtin (asm)
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# error "__has_builtin (asm) failed"
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#endif
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#if __has_builtin (__asm__)
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# error "__has_builtin (__asm__) failed"
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#endif
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#if __has_builtin (__attribute__)
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# error "__has_builtin (__attribute__) failed"
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#endif
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#if __has_builtin (__inline__)
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# error "__has_builtin (__inline__) failed"
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#endif
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#if __has_builtin (__typeof__)
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# error "__has_builtin (__typeof__) failed"
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#endif
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