gcc/testsuite/gcc.dg/pr27528.c

   1 /* Check the warnings and errors generated for asm operands that aren't
   2    obviously constant but that are constrained to be constants.  */
   3 /* { dg-options "" } */
   4 /* { dg-error "impossible constraint" "" { target *-*-* } 13 } */
   5 /* { dg-error "impossible constraint" "" { target *-*-* } 14 } */
   6 /* { dg-error "impossible constraint" "" { target *-*-* } 15 } */
   7 /* { dg-error "impossible constraint" "" { target *-*-* } 16 } */
   8 int bar (int);
   9 void
  10 foo (int *x, int y)
  11 {
  12   int constant = 0;
  13   asm ("# %0" :: "i" (x)); /* { dg-warning "probably doesn't match" } */
  14   asm ("# %0" :: "i" (bar (*x))); /* { dg-warning "probably doesn't match" } */
  15   asm ("# %0" :: "i" (*x + 0x11)); /* { dg-warning "probably doesn't match" } */
  16   asm ("# %0" :: "i" (constant)); /* { dg-warning "probably doesn't match" } */
  17   asm ("# %0" :: "i" (y * 0)); /* folded */
  18 }