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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libffi/] [testsuite/] [libffi.call/] [promotion.c] - Blame information for rev 750

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Line No. Rev Author Line
1 732 jeremybenn
/* Area:        ffi_call
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   Purpose:     Promotion test.
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   Limitations: none.
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   PR:          none.
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   Originator:  From the original ffitest.c  */
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/* { dg-do run } */
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#include "ffitest.h"
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static int promotion(signed char sc, signed short ss,
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                     unsigned char uc, unsigned short us)
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{
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  int r = (int) sc + (int) ss + (int) uc + (int) us;
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  return r;
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}
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int main (void)
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{
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  ffi_cif cif;
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  ffi_type *args[MAX_ARGS];
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  void *values[MAX_ARGS];
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  ffi_arg rint;
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  signed char sc;
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  unsigned char uc;
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  signed short ss;
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  unsigned short us;
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  unsigned long ul;
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  args[0] = &ffi_type_schar;
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  args[1] = &ffi_type_sshort;
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  args[2] = &ffi_type_uchar;
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  args[3] = &ffi_type_ushort;
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  values[0] = ≻
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  values[1] = &ss;
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  values[2] = &uc;
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  values[3] = &us;
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  /* Initialize the cif */
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  CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4,
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                     &ffi_type_sint, args) == FFI_OK);
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  us = 0;
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  ul = 0;
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  for (sc = (signed char) -127;
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       sc <= (signed char) 120; sc += 1)
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    for (ss = -30000; ss <= 30000; ss += 10000)
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      for (uc = (unsigned char) 0;
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           uc <= (unsigned char) 200; uc += 20)
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        for (us = 0; us <= 60000; us += 10000)
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          {
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            ul++;
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            ffi_call(&cif, FFI_FN(promotion), &rint, values);
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            CHECK((int)rint == (signed char) sc + (signed short) ss +
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                  (unsigned char) uc + (unsigned short) us);
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          }
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  printf("%lu promotion tests run\n", ul);
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  exit(0);
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}

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