gcc/testsuite/gcc.target/aarch64/cmpimm_branch_1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-save-temps -O2" } */
   3
   4 /* Test that we emit a sub+subs sequence rather than mov+movk+cmp.  */
   5
   6 void g (void);
   7 void
   8 foo (int x)
   9 {
  10   if (x != 0x123456)
  11     g ();
  12 }
  13
  14 void
  15 fool (long long x)
  16 {
  17   if (x != 0x123456)
  18     g ();
  19 }
  20
  21 /* { dg-final { scan-assembler-not "cmp\tw\[0-9\]*.*" } } */
  22 /* { dg-final { scan-assembler-not "cmp\tx\[0-9\]*.*" } } */
  23 /* { dg-final { scan-assembler-times "sub\tw\[0-9\]+.*" 1 } } */
  24 /* { dg-final { scan-assembler-times "sub\tx\[0-9\]+.*" 1 } } */
  25 /* { dg-final { scan-assembler-times "subs\tw\[0-9\]+.*" 1 } } */
  26 /* { dg-final { scan-assembler-times "subs\tx\[0-9\]+.*" 1 } } */