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List:       gcc-bugs
Subject:    [Bug c++/18744] New: C++ ABI is incomplete for ILP64
From:       "markus at oberhumer dot com" <gcc-bugzilla () gcc ! gnu ! org>
Date:       2004-11-30 20:38:21
Message-ID: 20041130203816.18744.markus () oberhumer ! com
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The C++ ABI is missing fallbacks for exact 16- and 32-bit types when
using programming models like ILP64 (e.g. MIPS -mint64 option below):


/opt/cross/mips-linux-uclibc-gcc341/bin/mips-linux-uclibc-g++ -c -mint64 bug01.cpp
bug01.cpp:19: internal compiler error: in write_builtin_type, at cp/mangle.c:1686
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.


typedef int int16_exact_t __attribute__((__mode__(__HI__)));
typedef int int32_exact_t __attribute__((__mode__(__SI__)));

long getbit(int16_exact_t v) { return v & 1; }
long getbit(int32_exact_t v) { return v & 1; }

-- 
           Summary: C++ ABI is incomplete for ILP64
           Product: gcc
           Version: 3.4.3
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: c++
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: markus at oberhumer dot com
                CC: gcc-bugs at gcc dot gnu dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18744
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