hash_bytes.cc: Move...
2010-09-22 Paolo Carlini <paolo.carlini@oracle.com> * src/hash_bytes.cc: Move... * libsupc++/hash_bytes.cc: ... here. * src/Makefile.am: Adjust. * libsupc++/Makefile.am: Likewise. * config/abi/pre/gnu.ver: Likewise. * libsupc++/typeinfo (type_info::hash_code): Add in C++0x mode. * src/Makefile.in: Regenerate. * libsupc++/Makefile.am: Likewise. * testsuite/18_support/type_info/hash_code.cc: New. From-SVN: r164510
This commit is contained in:
Paolo Carlini
Paolo Carlini
parent
c69fa2d460
commit
33da99cb9c
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@ -1,3 +1,15 @@
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2010-09-22 Paolo Carlini <paolo.carlini@oracle.com>
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* src/hash_bytes.cc: Move...
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* libsupc++/hash_bytes.cc: ... here.
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* src/Makefile.am: Adjust.
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* libsupc++/Makefile.am: Likewise.
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* config/abi/pre/gnu.ver: Likewise.
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* libsupc++/typeinfo (type_info::hash_code): Add in C++0x mode.
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* src/Makefile.in: Regenerate.
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* libsupc++/Makefile.am: Likewise.
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* testsuite/18_support/type_info/hash_code.cc: New.
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2010-09-20 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
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PR libstdc++/45711
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@ -1178,12 +1178,6 @@ GLIBCXX_3.4.15 {
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_ZNSbIwSt11char_traitsIwESaIwEE4backEv;
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_ZNKSbIwSt11char_traitsIwESaIwEE4backEv;
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# Default function.
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_ZSt11_Hash_bytesPKv*;
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# FNV hash.
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_ZSt15_Fnv_hash_bytesPKv*;
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} GLIBCXX_3.4.14;
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# Symbols in the support library (libsupc++) have their own tag.
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@ -1356,4 +1350,10 @@ CXXABI_1.3.5 {
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_ZTIPDn;
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_ZTIPKDn;
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# Default function.
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_ZSt11_Hash_bytesPKv*;
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# FNV hash.
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_ZSt15_Fnv_hash_bytesPKv*;
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} CXXABI_1.3.4;
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@ -69,6 +69,7 @@ sources = \
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function_type_info.cc \
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fundamental_type_info.cc \
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guard.cc \
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hash_bytes.cc \
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new_handler.cc \
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new_op.cc \
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new_opnt.cc \
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@ -95,10 +95,10 @@ am__objects_1 = array_type_info.lo atexit_arm.lo bad_cast.lo \
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eh_globals.lo eh_personality.lo eh_ptr.lo eh_term_handler.lo \
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eh_terminate.lo eh_throw.lo eh_type.lo eh_unex_handler.lo \
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enum_type_info.lo function_type_info.lo \
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fundamental_type_info.lo guard.lo new_handler.lo new_op.lo \
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new_opnt.lo new_opv.lo new_opvnt.lo pbase_type_info.lo \
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pmem_type_info.lo pointer_type_info.lo pure.lo \
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si_class_type_info.lo tinfo.lo tinfo2.lo vec.lo \
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fundamental_type_info.lo guard.lo hash_bytes.lo new_handler.lo \
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new_op.lo new_opnt.lo new_opv.lo new_opvnt.lo \
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pbase_type_info.lo pmem_type_info.lo pointer_type_info.lo \
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pure.lo si_class_type_info.lo tinfo.lo tinfo2.lo vec.lo \
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vmi_class_type_info.lo vterminate.lo
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@GLIBCXX_HOSTED_TRUE@am__objects_2 = cp-demangle.lo
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am_libsupc___la_OBJECTS = $(am__objects_1) $(am__objects_2)
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@ -364,6 +364,7 @@ sources = \
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function_type_info.cc \
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fundamental_type_info.cc \
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guard.cc \
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hash_bytes.cc \
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new_handler.cc \
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new_op.cc \
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new_opnt.cc \
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@ -32,8 +32,7 @@
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// function apears to be better in both speed and hash quality, and
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// FNV is provided primarily for backward compatibility.
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#include <cstring>
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#include <bits/functional_hash.h>
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#include <bits/c++config.h>
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namespace
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{
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@ -41,7 +40,7 @@ namespace
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unaligned_load(const char* p)
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{
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std::size_t result;
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std::memcpy(&result, p, sizeof(result));
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__builtin_memcpy(&result, p, sizeof(result));
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return result;
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}
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@ -50,7 +49,7 @@ namespace
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inline std::size_t
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load_bytes(const char* p, int n)
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{
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size_t result = 0;
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std::size_t result = 0;
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--n;
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do
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result = (result << 8) + static_cast<unsigned char>(p[n]);
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@ -78,6 +78,11 @@ namespace __cxxabiv1
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namespace std
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{
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#ifdef __GXX_EXPERIMENTAL_CXX0X__
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size_t
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_Hash_bytes(const void* __ptr, size_t __len, size_t __seed);
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#endif
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/**
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* @brief Part of RTTI.
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*
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@ -135,6 +140,18 @@ namespace std
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bool operator!=(const type_info& __arg) const
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{ return !operator==(__arg); }
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#ifdef __GXX_EXPERIMENTAL_CXX0X__
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size_t hash_code() const throw()
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{
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# if !__GXX_MERGED_TYPEINFO_NAMES
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return _Hash_bytes(name(), __builtin_strlen(name()),
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static_cast<size_t>(0xc70f6907UL));
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# else
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return reinterpret_cast<size_t>(__name);
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# endif
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}
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#endif // __GXX_EXPERIMENTAL_CXX0X__
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// Return true if this is a pointer type of some kind
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virtual bool __is_pointer_p() const;
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@ -179,7 +179,6 @@ sources = \
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hash_tr1.cc \
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hashtable_c++0x.cc \
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hashtable_tr1.cc \
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hash_bytes.cc \
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ios.cc \
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ios_failure.cc \
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ios_init.cc \
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@ -310,11 +309,6 @@ hashtable_c++0x.lo: hashtable_c++0x.cc
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hashtable_c++0x.o: hashtable_c++0x.cc
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$(CXXCOMPILE) -std=gnu++0x -c $<
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hash_bytes.lo: hash_bytes.cc
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$(LTCXXCOMPILE) -std=gnu++0x -c $<
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hash_bytes.o: hash_bytes.cc
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$(CXXCOMPILE) -std=gnu++0x -c $<
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limits.lo: limits.cc
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$(LTCXXCOMPILE) -std=gnu++0x -c $<
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limits.o: limits.cc
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@ -100,18 +100,17 @@ am__objects_5 = atomic.lo bitmap_allocator.lo pool_allocator.lo \
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compatibility-c++0x.lo compatibility-debug_list.lo \
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compatibility-list.lo complex_io.lo ctype.lo debug.lo \
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functexcept.lo globals_io.lo hash_c++0x.lo hash_tr1.lo \
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hashtable_c++0x.lo hashtable_tr1.lo hash_bytes.lo ios.lo \
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ios_failure.lo ios_init.lo ios_locale.lo limits.lo list.lo \
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debug_list.lo locale.lo locale_init.lo locale_facets.lo \
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localename.lo math_stubs_float.lo math_stubs_long_double.lo \
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stdexcept.lo strstream.lo system_error.lo tree.lo \
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allocator-inst.lo concept-inst.lo fstream-inst.lo ext-inst.lo \
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ios-inst.lo iostream-inst.lo istream-inst.lo istream.lo \
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locale-inst.lo misc-inst.lo ostream-inst.lo sstream-inst.lo \
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streambuf-inst.lo streambuf.lo string-inst.lo valarray-inst.lo \
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wlocale-inst.lo wstring-inst.lo mutex.lo condition_variable.lo \
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chrono.lo thread.lo future.lo $(am__objects_1) \
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$(am__objects_4)
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hashtable_c++0x.lo hashtable_tr1.lo ios.lo ios_failure.lo \
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ios_init.lo ios_locale.lo limits.lo list.lo debug_list.lo \
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locale.lo locale_init.lo locale_facets.lo localename.lo \
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math_stubs_float.lo math_stubs_long_double.lo stdexcept.lo \
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strstream.lo system_error.lo tree.lo allocator-inst.lo \
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concept-inst.lo fstream-inst.lo ext-inst.lo ios-inst.lo \
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iostream-inst.lo istream-inst.lo istream.lo locale-inst.lo \
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misc-inst.lo ostream-inst.lo sstream-inst.lo streambuf-inst.lo \
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streambuf.lo string-inst.lo valarray-inst.lo wlocale-inst.lo \
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wstring-inst.lo mutex.lo condition_variable.lo chrono.lo \
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thread.lo future.lo $(am__objects_1) $(am__objects_4)
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am_libstdc___la_OBJECTS = $(am__objects_5)
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libstdc___la_OBJECTS = $(am_libstdc___la_OBJECTS)
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DEFAULT_INCLUDES = -I.@am__isrc@ -I$(top_builddir)
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@ -384,7 +383,6 @@ sources = \
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hash_tr1.cc \
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hashtable_c++0x.cc \
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hashtable_tr1.cc \
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hash_bytes.cc \
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ios.cc \
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ios_failure.cc \
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ios_init.cc \
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@ -887,11 +885,6 @@ hashtable_c++0x.lo: hashtable_c++0x.cc
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hashtable_c++0x.o: hashtable_c++0x.cc
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$(CXXCOMPILE) -std=gnu++0x -c $<
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hash_bytes.lo: hash_bytes.cc
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$(LTCXXCOMPILE) -std=gnu++0x -c $<
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hash_bytes.o: hash_bytes.cc
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$(CXXCOMPILE) -std=gnu++0x -c $<
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limits.lo: limits.cc
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$(LTCXXCOMPILE) -std=gnu++0x -c $<
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limits.o: limits.cc
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@ -0,0 +1,62 @@
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// { dg-options "-std=gnu++0x" }
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// 2010-09-21 Paolo Carlini <paolo.carlini@oracle.com>
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//
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// Copyright (C) 2010 Free Software Foundation
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING3. If not see
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// <http://www.gnu.org/licenses/>.
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#include <typeinfo>
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#include <testsuite_hooks.h>
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class Abraca { };
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Abraca a1, a2_;
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const Abraca a2 = a2_;
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class Dabra { };
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Dabra d1;
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void test01()
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{
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bool test __attribute__((unused)) = true;
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VERIFY( typeid(int) != typeid(double) );
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VERIFY( typeid(int).hash_code() != typeid(double).hash_code() );
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VERIFY( typeid(a1) == typeid(a2) );
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VERIFY( typeid(a1).hash_code() == typeid(a2).hash_code() );
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VERIFY( typeid(Abraca) == typeid(const Abraca) );
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VERIFY( typeid(Abraca).hash_code() == typeid(const Abraca).hash_code() );
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VERIFY( typeid(Abraca) == typeid(a2) );
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VERIFY( typeid(Abraca).hash_code() == typeid(a2).hash_code() );
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VERIFY( typeid(Abraca) == typeid(const Abraca&) );
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VERIFY( typeid(Abraca).hash_code() == typeid(const Abraca&).hash_code() );
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VERIFY( typeid(Abraca) != typeid(Dabra) );
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VERIFY( typeid(Abraca).hash_code() != typeid(Dabra).hash_code() );
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VERIFY( typeid(a1) != typeid(d1) );
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VERIFY( typeid(a1).hash_code() != typeid(d1).hash_code() );
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}
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int main()
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{
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test01();
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return 0;
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}
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