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[/] [openrisc/] [trunk/] [gnu-stable/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [pr35635.c] - Blame information for rev 826

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Line No. Rev Author Line
1 298 jeremybenn
/* PR 35635 */
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/* { dg-do compile } */
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/* { dg-options "-Wconversion -Wsign-conversion" } */
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struct unsigned_bit {
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  unsigned int x:1;
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} unsigned_bit;
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struct signed_bit {
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  int x:1;
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} signed_bit;
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int bar;
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int bar2;
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void func1()
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{
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  /* The result of boolean operators fits in unsiged int:1, thus do
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     not warn.  */
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  unsigned_bit.x = (bar != 0); /* { dg-bogus "conversion" } */
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  unsigned_bit.x = (bar == 0); /* { dg-bogus "conversion" } */
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  unsigned_bit.x = (bar <= 0); /* { dg-bogus "conversion" } */
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  unsigned_bit.x = (bar >= 0); /* { dg-bogus "conversion" } */
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  unsigned_bit.x = (bar < 0);  /* { dg-bogus "conversion" } */
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  unsigned_bit.x = (bar > 0);  /* { dg-bogus "conversion" } */
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  unsigned_bit.x = !bar;       /* { dg-bogus "conversion" } */
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  unsigned_bit.x = (bar || bar2); /* { dg-bogus "conversion" } */
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  unsigned_bit.x = (bar && bar2); /* { dg-bogus "conversion" } */
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  /* Both branches of ? fit in the destination, thus do not warn.  */
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  unsigned_bit.x = bar != 0 ? 1 : 0; /* { dg-bogus "conversion" } */
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  unsigned_bit.x = bar != 0 ? 1.0 : 0.0;  /* { dg-bogus "conversion" } */
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  /* At least one branch of ? does not fit in the destination, thus
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     warn.  */
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  unsigned_bit.x = bar != 0 ? 2 : 0; /* { dg-warning "conversion" } */
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  unsigned_bit.x = bar != 0 ? 0 : -1; /* { dg-warning "negative integer implicitly converted to unsigned type" } */
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}
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void func2()
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{
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  signed char schar_x;
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  /* Both branches of ? fit in the destination, thus do not warn.  */
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  schar_x = bar != 0 ? 1 : 0; /* { dg-bogus "conversion" } */
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  schar_x = bar != 0 ? 2.0 : 10; /* { dg-bogus "conversion" } */
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  /* At least one branch of ? does not fit in the destination, thus
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     warn.  */
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  schar_x = bar != 0 ? 2.1 : 10; /* { dg-warning "conversion" } */
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  schar_x = bar != 0 ? (signed char) 1024: -1024; /* { dg-warning "conversion" } */
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}
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void func3()
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{
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  unsigned char uchar_x;
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  /* Both branches of ? fit in the destination, thus do not warn.  */
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  uchar_x = bar != 0 ? 1 : 0;
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  uchar_x = bar != 0 ? 2.0 : 10;
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  /* At least one branch of ? does not fit in the destination, thus
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     warn.  */
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  uchar_x = bar != 0 ? 2.1 : 10; /* { dg-warning "conversion" } */
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  uchar_x = bar != 0
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    ? (unsigned char) 1024
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    : -1; /* { dg-warning "negative integer implicitly converted to unsigned type" } */
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}
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void func4()
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{
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  signed_bit.x = -1; /* { dg-bogus "conversion" } */
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  signed_bit.x = bar != 0 ? -1.0 : 0.0;  /* { dg-bogus "conversion" } */
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  signed_bit.x = bar != 0 ? -1 : 0; /* { dg-bogus "conversion" } */
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  signed_bit.x = 1;          /* { dg-warning "conversion" } */
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  signed_bit.x = (bar != 0); /* { dg-warning "conversion" } */
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  signed_bit.x = (bar == 0); /* { dg-warning "conversion" } */
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  signed_bit.x = (bar <= 0); /* { dg-warning "conversion" } */
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  signed_bit.x = (bar >= 0); /* { dg-warning "conversion" } */
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  signed_bit.x = (bar < 0);  /* { dg-warning "conversion" } */
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  signed_bit.x = (bar > 0);  /* { dg-warning "conversion" } */
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  signed_bit.x = !bar;       /* { dg-warning "conversion" } */
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  signed_bit.x = (bar || bar2); /* { dg-warning "conversion" } */
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  signed_bit.x = (bar && bar2); /* { dg-warning "conversion" } */
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  signed_bit.x = bar != 0 ? 1 : 0; /* { dg-warning "conversion" } */
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  signed_bit.x = bar != 0 ? 2 : 0; /* { dg-warning "conversion" } */
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}
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