gcc/testsuite/gcc.target/arm/sibcall-1.c

   1 /* { dg-do compile { target { arm32 } } } */
   2 /* { dg-options "-O2" } */
   3 /* { dg-skip-if "FDPIC does not support sibcall optimization" { arm*-*-uclinuxfdpiceabi } "*" "" } */
   4
   5 #define noinline __attribute__((noinline))
   6
   7 typedef struct {
   8   int data[4];
   9 } arr16_t;
  10
  11 int result = 0;
  12
  13 void noinline func2 (int i, int j, arr16_t arr)
  14 {
  15   result = (arr.data[0] != 1
  16             || arr.data[1] != 2
  17             || arr.data[2] != 3
  18             || arr.data[3] != 4);
  19 }
  20
  21 void func1 (int i, int j, int k, int l, int m, int n, arr16_t a)
  22 {
  23   func2(i, j, a);
  24 }
  25
  26 int main(int argc, const char *argv[])
  27 {
  28   arr16_t arr = {{1, 2, 3, 4}};
  29
  30   func1(0, 0, 0, 0, 0, 0, arr);
  31   return result;
  32 }
  33
  34 /* The PLT marker may appear if the test is run with -fpic/-fPIC.  */
  35 /* { dg-final { scan-assembler "\tb\tfunc2(\\(PLT\\))?\n" } } */
  36