gcc/testsuite/gcc.dg/dfp/composite-type.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O -Wall" } */
   3
   4 /* C99 6.2.7: Compatible type and composite type.  */
   5
   6 #define DECIMAL_COMPOSITE_DECL(TYPE) \
   7   _Decimal##TYPE g1_##TYPE(); \
   8   _Decimal##TYPE g2_##TYPE(); \
   9   _Decimal##TYPE (*h1_##TYPE)[2]; \
  10   _Decimal##TYPE (*h2_##TYPE)[3]; \
  11   _Decimal##TYPE (*h3_##TYPE)[4]; \
  12   _Decimal##TYPE f1_##TYPE(_Decimal##TYPE(*)()); \
  13   _Decimal##TYPE f1_##TYPE(_Decimal##TYPE(*)(_Decimal##TYPE*)); \
  14   _Decimal##TYPE f1_##TYPE (_Decimal##TYPE(*g)(_Decimal##TYPE*)) \
  15    { \
  16      _Decimal##TYPE d##TYPE; \
  17      d##TYPE = ((_Decimal##TYPE (*) (_Decimal##TYPE*)) g)(&d##TYPE); \
  18      d##TYPE = ((_Decimal##TYPE (*) ()) g); \
  19      return d##TYPE; \
  20    } \
  21    _Decimal##TYPE f2_##TYPE(_Decimal##TYPE(*)[]); \
  22    _Decimal##TYPE f2_##TYPE(_Decimal##TYPE(*)[3]);
  23
  24 #define DECIMAL_COMPOSITE_TEST(TYPE) \
  25 do \
  26 { \
  27  _Decimal##TYPE d##TYPE; \
  28  d##TYPE = f1_##TYPE(g1_##TYPE); \
  29  d##TYPE = f1_##TYPE(g2_##TYPE); \
  30  d##TYPE = f2_##TYPE(h1_##TYPE); \
  31  d##TYPE = f2_##TYPE(h2_##TYPE); \
  32  d##TYPE = f2_##TYPE(h3_##TYPE); \
  33  (void) d##TYPE; \
  34 } while(0)
  35
  36 DECIMAL_COMPOSITE_DECL(32);  /* { dg-error "incompatible types when assigning to type '\[^\n\]*' from type '\[^\n\]*'" } */
  37 /* { dg-message "note: expected '\[^'\n\]*' but argument is of type '\[^'\n\]*'" "note: expected" { target *-*-* } 36 } */
  38
  39
  40 DECIMAL_COMPOSITE_DECL(64);  /* { dg-error "incompatible types when assigning to type '\[^\n\]*' from type '\[^\n\]*'" } */
  41 /* { dg-message "note: expected '\[^'\n\]*' but argument is of type '\[^'\n\]*'" "note: expected" { target *-*-* } 40 } */
  42
  43
  44 DECIMAL_COMPOSITE_DECL(128); /* { dg-error "incompatible types when assigning to type '\[^\n\]*' from type '\[^\n\]*'" } */
  45 /* { dg-message "note: expected '\[^'\n\]*' but argument is of type '\[^'\n\]*'" "note: expected" { target *-*-* } 44 } */
  46
  47
  48 int main()
  49 {
  50   DECIMAL_COMPOSITE_TEST(32);  /* { dg-warning "incompatible pointer type" } */
  51   DECIMAL_COMPOSITE_TEST(64);  /* { dg-warning "incompatible pointer type" } */
  52   DECIMAL_COMPOSITE_TEST(128); /* { dg-warning "incompatible pointer type" } */
  53
  54   return 0;
  55 }