gcc/testsuite/c-c++-common/zero-scratch-regs-10.c

   1 /* { dg-do run } */
   2 /* { dg-skip-if "not implemented" { powerpc*-*-* } } */
   3 /* { dg-options "-O2" } */
   4
   5 #include <assert.h>
   6 int result = 0;
   7
   8 int
   9 __attribute__((noipa))
  10 __attribute__ ((zero_call_used_regs("skip")))
  11 foo1 (int x)
  12 {
  13   return (x + 1);
  14 }
  15
  16 int
  17 __attribute__((noipa))
  18 __attribute__ ((zero_call_used_regs("used-gpr-arg")))
  19 foo2 (int x)
  20 {
  21   return (x + 2);
  22 }
  23
  24 int
  25 __attribute__((noipa))
  26 __attribute__ ((zero_call_used_regs("used-gpr")))
  27 foo3 (int x)
  28 {
  29   return (x + 3);
  30 }
  31
  32 int
  33 __attribute__((noipa))
  34 __attribute__ ((zero_call_used_regs("used-arg")))
  35 foo4 (int x)
  36 {
  37   return (x + 4);
  38 }
  39
  40 int
  41 __attribute__((noipa))
  42 __attribute__ ((zero_call_used_regs("used")))
  43 foo5 (int x)
  44 {
  45   return (x + 5);
  46 }
  47
  48 int
  49 __attribute__((noipa))
  50 __attribute__ ((zero_call_used_regs("all-gpr-arg")))
  51 foo6 (int x)
  52 {
  53   return (x + 6);
  54 }
  55
  56 int
  57 __attribute__((noipa))
  58 __attribute__ ((zero_call_used_regs("all-gpr")))
  59 foo7 (int x)
  60 {
  61   return (x + 7);
  62 }
  63
  64 int
  65 __attribute__((noipa))
  66 __attribute__ ((zero_call_used_regs("all-arg")))
  67 foo8 (int x)
  68 {
  69   return (x + 8);
  70 }
  71
  72 int
  73 __attribute__((noipa))
  74 __attribute__ ((zero_call_used_regs("all")))
  75 foo9 (int x)
  76 {
  77   return (x + 9);
  78 }
  79
  80 int main()
  81 {
  82   result = foo1 (1);
  83   result += foo2 (1);
  84   result += foo3 (1);
  85   result += foo4 (1);
  86   result += foo5 (1);
  87   result += foo6 (1);
  88   result += foo7 (1);
  89   result += foo8 (1);
  90   result += foo9 (1);
  91   assert (result == 54);
  92   return 0;
  93 }