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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [g++.dg/] [abi/] [bitfield3.C] - Blame information for rev 749

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Line No. Rev Author Line
1 693 jeremybenn
// Test for oversized bitfield alignment in structs on IA-32
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// { dg-do run { target { { i?86-*-* x86_64-*-* } && ia32 } } }
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// { dg-options "-O2" }
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// Cygwin and mingw default to MASK_ALIGN_DOUBLE. Override to ensure
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// 4-byte alignment.
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// { dg-additional-options "-mno-align-double" { target i?86-*-cygwin* i?86-*-mingw* } }
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// As for mingw target the ms-bitfield switch is activated by default,
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// make sure for this test that it is disabled.
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// { dg-additional-options "-mno-ms-bitfields" { target i?86-*-mingw* } }
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struct A
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{
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  char a;
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  int b : 224;  // { dg-warning "exceeds its type" "" }
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  char c;
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} a, a4[4];
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struct B
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{
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  char d;
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  A e;
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  char f;
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} b;
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struct C
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{
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  char g;
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  long long h : 64;
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  char i;
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} c, c4[4];
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struct D
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{
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  char j;
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  C k;
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  char l;
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} d;
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struct E
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{
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  char m;
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  long long n : 160;    // { dg-warning "exceeds its type" "" }
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  char o;
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} e, e4[4];
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struct F
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{
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  char p;
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  E q;
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  char r;
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} f;
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int main (void)
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{
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  if (&a.c - &a.a != 32)
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    return 1;
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  if (sizeof (a) != 36)
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    return 2;
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  if (sizeof (a4) != 4 * 36)
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    return 3;
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  if (sizeof (b) != 2 * 4 + 36)
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    return 4;
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  if (__alignof__ (b.e) != 4)
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    return 5;
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  if (&c.i - &c.g != 12)
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    return 6;
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  if (sizeof (c) != 16)
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    return 7;
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  if (sizeof (c4) != 4 * 16)
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    return 8;
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  if (sizeof (d) != 2 * 4 + 16)
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    return 9;
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  if (__alignof__ (d.k) != 4)
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    return 10;
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  if (&e.o - &e.m != 24)
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    return 11;
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  if (sizeof (e) != 28)
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    return 12;
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  if (sizeof (e4) != 4 * 28)
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    return 13;
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  if (sizeof (f) != 2 * 4 + 28)
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    return 14;
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  if (__alignof__ (f.q) != 4)
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    return 15;
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  return 0;
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}

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