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author | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
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committer | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
commit | 554fd8c5195424bdbcabf5de30fdc183aba391bd (patch) | |
tree | 976dc5ab7fddf506dadce60ae936f43f58787092 /gcc/testsuite/g++.dg/ext/packed4.C | |
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Diffstat (limited to 'gcc/testsuite/g++.dg/ext/packed4.C')
-rw-r--r-- | gcc/testsuite/g++.dg/ext/packed4.C | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/ext/packed4.C b/gcc/testsuite/g++.dg/ext/packed4.C new file mode 100644 index 000000000..e5e5e2c08 --- /dev/null +++ b/gcc/testsuite/g++.dg/ext/packed4.C @@ -0,0 +1,77 @@ +// { dg-do run { target { ! default_packed } } } +// { dg-options "-w" } + +// Copyright (C) 2003 Free Software Foundation, Inc. +// Contributed by Nathan Sidwell 15 Jul 2003 <nathan@codesourcery.com> + +// Packed fields are unsuitable for direct reference binding. + +struct Unpacked { int i; }; + +int ConstRef (int const &p, int const *ptr, int v) +{ + if (p != v) + return 1; + if (&p == ptr) + return 2; + return 0; +} + +int ConstRef (Unpacked const &p, Unpacked const *ptr, int v) +{ + if (p.i != v) + return 1; + if (&p == ptr) + return 2; + return 0; +} + +int Val (int p, int v) +{ + if (p != v) + return 1; + return 0; +} +int Val (Unpacked p, int v) +{ + if (p.i != v) + return 1; + return 0; +} + +struct __attribute__ ((packed)) Packed +{ + char c; + int i; + Unpacked u; + char t; +}; + +int Foo (Packed &p, int i, int ui) +{ + int r; + + if ((r = Val (p.i, i))) + return r; + if ((r = Val (p.u.i, ui))) + return r + 2; + if ((r = Val (p.u, ui))) + return r + 4; + + if ((r = ConstRef (p.i, &p.i, i))) + return r + 6; + + return 0; +} + +int main () +{ + Packed p; + + p.c = 0x12; + p.i = 0x3456789a; + p.u.i = 0xbcdef00f; + p.t = 0xed; + + return Foo (p, 0x3456789a, 0xbcdef00f); +} |