gcc/testsuite/gcc.target/avr/torture/pr63633-ice-mult.c

   1 /* { dg-do compile } */
   2
   3 void ice_mult32 (int x)
   4 {
   5   register long reg __asm ("22");
   6   __asm volatile (" " :: "r" (reg = 0x12345 * x));
   7 }
   8
   9 void ice_mult24 (int x)
  10 {
  11   register __int24 reg __asm ("20");
  12   __asm volatile (" " :: "r" (reg = 0x12345 * x));
  13 }
  14
  15 void ice_sh24 (__int24 x)
  16 {
  17   register __int24 reg __asm ("20");
  18   __asm volatile (" " :: "r" (reg = x << 3));
  19 }
  20
  21 void ice_sh24b (__int24 x)
  22 {
  23   register __int24 reg __asm ("20");
  24   __asm volatile (" " :: "r" (reg = x << 22));
  25 }
  26
  27 void ice_s16s16 (int x)
  28 {
  29   register long reg __asm ("20");
  30   __asm volatile (" " :: "r" (reg = (long) x*x));
  31 }
  32
  33 void ice_u16s16 (int x)
  34 {
  35   register long reg __asm ("20");
  36   __asm volatile (" " :: "r" (reg = (long) x*0x1234u));
  37 }