gcc/testsuite/gcc.target/arm/thumb1-far-jump-1.c

   1 /* Check for thumb1 far jump. Shouldn't save lr for small leaf functions
   2  * even with a branch in it.  */
   3 /* { dg-options "-Os" } */
   4 /* { dg-skip-if "" { ! { arm_thumb1 } } } */
   5
   6 void f()
   7 {
   8   for (;;);
   9 }
  10
  11 volatile int g;
  12 void f2(int i)
  13 {
  14   if (i) g=0;
  15 }
  16
  17 void f3(int i)
  18 {
  19   if (i) {
  20     g=0;
  21     g=1;
  22     g=2;
  23     g=3;
  24     g=4;
  25     g=5;
  26     g=6;
  27     g=7;
  28     g=8;
  29     g=9;
  30   }
  31 }
  32
  33 /* { dg-final { scan-assembler-not "push.*lr" } } */
  34