gcc/testsuite/gcc.dg/weak/typeof-2.c

   1 /* Test typeof with __asm redirection. */
   2 /* { dg-do compile } */
   3 /* { dg-require-weak "" } */
   4 /* { dg-require-alias "" } */
   5 /* { dg-options "-O2" } */
   6
   7 extern int foo1 (int x) __asm ("baz1");
   8 int bar1 (int x) { return x; }
   9 extern __typeof (bar1) foo1 __attribute ((weak, alias ("bar1")));
  10
  11 extern int foo2 (int x) __attribute__ ((const));
  12 extern __typeof (foo2) foo2 __asm ("baz2");
  13 int bar2 (int x)
  14 {
  15   return foo2 (x) + foo2 (x) + foo2 (x) + foo2 (x) + foo2 (x) + foo2 (x);
  16 }
  17
  18 extern int foo3 (int x);
  19 extern __typeof (foo3) foo3 __asm ("baz3");
  20 int bar3 (int x)
  21 {
  22   return foo3 (x) + foo3 (x) + foo3 (x) + foo3 (x) + foo3 (x) + foo3 (x);
  23 }
  24
  25 // { dg-final { scan-assembler-not "foo1" } }
  26 // { dg-final { scan-assembler "baz1" } }
  27 // { dg-final { scan-assembler-not "foo2" } }
  28 // { dg-final { scan-assembler "baz2" } }
  29 // { dg-final { scan-assembler-not "baz2.*baz2.*baz2.*baz2.*baz2.*baz2" } }
  30 // { dg-final { scan-assembler-not "foo3" } }
  31 // SH targets put the funtion address into a constant pool and / or register,
  32 // so it does not appear repeated (as much as expected) in the assembler.
  33 // { dg-final { global target_triplet } }
  34 // { dg-final { if [string match sh-*-* $target_triplet ] {return} } }
  35 // { dg-final { if [string match {sh[elb1-9]*-*-*} $target_triplet ] {return} } }
  36 // Likewise for S/390 targets
  37 // { dg-final { if [string match s390*-*-* $target_triplet ] {return} } }
  38 // { dg-final { scan-assembler "baz3.*baz3.*baz3.*baz3.*baz3.*baz3" } }