gcc/testsuite/gcc.target/i386/indirect-thunk-attr-7.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -mno-indirect-branch-register -mfunction-return=keep " } */
   3 /* { dg-additional-options "-fno-pic" { target { ! *-*-darwin* } } } */
   4
   5 void func0 (void);
   6 void func1 (void);
   7 void func2 (void);
   8 void func3 (void);
   9 void func4 (void);
  10 void func4 (void);
  11 void func5 (void);
  12
  13 __attribute__ ((indirect_branch("thunk-extern")))
  14 void
  15 bar (int i)
  16 {
  17   switch (i)
  18     {
  19     default:
  20       func0 ();
  21       break;
  22     case 1:
  23       func1 ();
  24       break;
  25     case 2:
  26       func2 ();
  27       break;
  28     case 3:
  29       func3 ();
  30       break;
  31     case 4:
  32       func4 ();
  33       break;
  34     case 5:
  35       func5 ();
  36       break;
  37     }
  38 }
  39
  40 /* { dg-final { scan-assembler "mov(?:l|q)\[ \t\]*\.L\[0-9\]+\\(,%" { target *-*-linux* } } } */
  41 /* { dg-final { scan-assembler {leaq[ \t]*L[0-9]+\(%rip\)} { target { lp64 && *-*-darwin* } } } } */
  42 /* { dg-final { scan-assembler {addl[ \t]*L[0-9]+-L[0-9]+\$pb} { target { ia32 && *-*-darwin* } } } } */
  43 /* { dg-final { scan-assembler "jmp\[ \t\]*_?__x86_indirect_thunk(_nt|)_(r|e)ax" } } */
  44 /* { dg-final { scan-assembler-not {\t(lfence|pause)} } } */
  45 /* { dg-final { scan-assembler-not {jmp[ \t]*\.?LIND} } } */
  46 /* { dg-final { scan-assembler-not {call[ \t]*\.?LIND} } } */