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[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [testsuite/] [gcc.dg/] [c90-intprom-1.c] - Blame information for rev 856

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Line No. Rev Author Line
1 149 jeremybenn
/* Test for integer promotion rules: C90 subset of types.  */
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/* Origin: Joseph Myers <jsm@polyomino.org.uk> */
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/* { dg-do compile } */
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/* { dg-options "-std=iso9899:1990 -pedantic-errors" } */
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#include <limits.h>
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#define CHECK(T1, T2, TC)                       \
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  do {                                          \
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    T1 a = 0;                                    \
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    T2 b = 0;                                    \
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    TC *c = 0;                                   \
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    __typeof__(a+b) *d = 0;                      \
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    c = d;                                      \
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    d = c;                                      \
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  } while (0)
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void
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f (void)
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{
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  /* One type is unsigned long.  */
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  CHECK(unsigned long, unsigned long, unsigned long);
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  CHECK(unsigned int, unsigned long, unsigned long);
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  CHECK(unsigned long, unsigned int, unsigned long);
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  CHECK(int, unsigned long, unsigned long);
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  CHECK(long, unsigned long, unsigned long);
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  CHECK(unsigned long, int, unsigned long);
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  CHECK(unsigned long, long, unsigned long);
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  /* long and unsigned int.  */
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#if LONG_MAX >= UINT_MAX
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  CHECK(unsigned int, long, long);
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  CHECK(long, unsigned int, long);
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#else
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  CHECK(unsigned int, long, unsigned long);
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  CHECK(long, unsigned int, unsigned long);
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#endif
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  /* One type is long.  */
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  CHECK(long, long, long);
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  CHECK(int, long, long);
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  CHECK(long, int, long);
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  /* One type is unsigned int.  */
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  CHECK(unsigned int, unsigned int, unsigned int);
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  CHECK(int, unsigned int, unsigned int);
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  CHECK(unsigned int, int, unsigned int);
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  /* Otherwise int.  */
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  CHECK(int, int, int);
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}

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