gcc/testsuite/gcc.target/aarch64/cmpimm_cset_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 int
   7 foo (int x)
   8 {
   9   return x == 0x123456;
  10 }
  11
  12 long long
  13 fool (long long x)
  14 {
  15   return x == 0x123456;
  16 }
  17
  18 /* { dg-final { scan-assembler-not "cmp\tw\[0-9\]*.*" } } */
  19 /* { dg-final { scan-assembler-not "cmp\tx\[0-9\]*.*" } } */
  20 /* { dg-final { scan-assembler-times "sub\tw\[0-9\]+.*" 1 } } */
  21 /* { dg-final { scan-assembler-times "sub\tx\[0-9\]+.*" 1 } } */
  22 /* { dg-final { scan-assembler-times "subs\tw\[0-9\]+.*" 1 } } */
  23 /* { dg-final { scan-assembler-times "subs\tx\[0-9\]+.*" 1 } } */