gcc/testsuite/gcc.target/i386/indirect-thunk-attr-6.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -mno-indirect-branch-register -mfunction-return=keep -fno-pic" } */
   3
   4 typedef void (*dispatch_t)(long offset);
   5
   6 dispatch_t dispatch[256];
   7
   8 __attribute__ ((indirect_branch("thunk-extern")))
   9 int
  10 male_indirect_jump (long offset)
  11 {
  12   dispatch[offset](offset);
  13   return 0;
  14 }
  15
  16 /* { dg-final { scan-assembler "push(?:l|q)\[ \t\]*_?dispatch" { target { ! x32 } } } } */
  17 /* { dg-final { scan-assembler-times "jmp\[ \t\]*\.LIND" 1 { target { ! x32 } } } } */
  18 /* { dg-final { scan-assembler-times "call\[ \t\]*\.LIND" 1 { target { ! x32 } } } } */
  19 /* { dg-final { scan-assembler "jmp\[ \t\]*__x86_indirect_thunk" { target { ! x32 } } } } */
  20 /* { dg-final { scan-assembler "call\[ \t\]*__x86_indirect_thunk_(r|e)ax" { target x32 } } } */
  21 /* { dg-final { scan-assembler-not {\t(lfence|pause)} } } */