none/tests/s390x/fpext_warn.c

   1 #include <stdio.h>
   2 #include "opcodes.h"
   3
   4 /* Test that emulation warnings appear when the floating point
   5    extension facility is not installed and the opcode specifies
   6    a rounding mode other than 0. */
   7 int
   8 main(void)
   9 {
  10    printf("before\n");
  11    __asm__ volatile ( CEGBRA(1,0,0,0) : : : "cc", "memory");
  12    __asm__ volatile ( CEFBRA(3,0,0,0) : : : "cc", "memory");
  13    __asm__ volatile ( CDGBRA(4,0,0,0) : : : "cc", "memory");
  14
  15    /* Note: an emulation warning is expected for the following
  16       insn but none is given. The reason is that at most 3 warnings
  17       of a given kind will be issued - and we already had three. */
  18    __asm__ volatile ( CEFBRA(5,0,0,0) : : : "cc", "memory");
  19
  20    printf("after\n");
  21    return 0;
  22 }