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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.target/] [alpha/] [980217-1.c] - Blame information for rev 312

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Line No. Rev Author Line
1 312 jeremybenn
/* Test float on alpha. */
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/* { dg-do run } */
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/* { dg-options "-mieee -O2" } */
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extern void abort(void);
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extern int printf(const char *, ...);
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typedef int int32_t __attribute__ ((__mode__ (  __SI__ ))) ;
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typedef union
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{
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  float value;
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  int32_t word;
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} ieee_float_shape_type;
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int isinff(float x)
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{
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  int32_t ix,t;
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  ieee_float_shape_type gf_u;
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  gf_u.value = x;
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  ix = gf_u.word;
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  printf ("%x\n", ix);
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  t = ix & 0x7fffffff;
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  t ^= 0x7f800000;
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  t |= -t;
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  return ~(t >> 31) & (1 - ((ix & 0x80000000) >> 30));
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}
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main ()
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{
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  float x = 1.0 / 0.0;
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  int i = isinff (x);
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  if (i == 0)
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    abort ();
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  printf ("%d\n", i);
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  return 0;
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}

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