tests/tcg/sh4/test-addv.c

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2
   3 #include <limits.h>
   4 #include <stdio.h>
   5 #include <stdlib.h>
   6
   7 static void addv(const int a, const int b, const int res, const int carry)
   8 {
   9     int o = a, c;
  10
  11     asm volatile("addv %2,%0\n"
  12                  "movt %1\n"
  13                  : "+r"(o), "=r"(c) : "r"(b) : );
  14
  15     if (c != carry || o != res) {
  16         printf("ADDV %d, %d = %d/%d [T = %d/%d]\n", a, b, o, res, c, carry);
  17         abort();
  18     }
  19 }
  20
  21 int main(void)
  22 {
  23     addv(INT_MAX, 1, INT_MIN, 1);
  24     addv(INT_MAX - 1, 1, INT_MAX, 0);
  25
  26     return 0;
  27 }