Mercurial > hg > CbC > CbC_gcc
comparison gcc/testsuite/gcc.dg/stack-check-10.c @ 111:04ced10e8804
gcc 7
| author | kono |
|---|---|
| date | Fri, 27 Oct 2017 22:46:09 +0900 |
| parents | |
| children | 84e7813d76e9 |
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| 68:561a7518be6b | 111:04ced10e8804 |
|---|---|
| 1 /* { dg-do compile } */ | |
| 2 /* { dg-options "-O2 -fstack-clash-protection -fdump-rtl-pro_and_epilogue -fno-optimize-sibling-calls --param stack-clash-protection-probe-interval=12 --param stack-clash-protection-guard-size=12" } */ | |
| 3 /* { dg-require-effective-target supports_stack_clash_protection } */ | |
| 4 | |
| 5 int f (int *); | |
| 6 | |
| 7 int | |
| 8 g (int a) | |
| 9 { | |
| 10 return f (&a); | |
| 11 } | |
| 12 | |
| 13 int f1 (void); | |
| 14 int f2 (int); | |
| 15 | |
| 16 int | |
| 17 f3 (void) | |
| 18 { | |
| 19 return f2 (f1 ()); | |
| 20 } | |
| 21 | |
| 22 | |
| 23 /* If we have caller implicit probes, then we should not need probes in either callee. | |
| 24 Else callees may need probes, particularly if non-leaf functions require a | |
| 25 frame/frame pointer. */ | |
| 26 /* { dg-final { scan-rtl-dump-times "Stack clash no probe" 2 "pro_and_epilogue" { target caller_implicit_probes } } } */ | |
| 27 /* { dg-final { scan-rtl-dump-times "Stack clash inline probe" 1 "pro_and_epilogue" { target { ! caller_implicit_probes } } } } */ | |
| 28 /* { dg-final { scan-rtl-dump-times "Stack clash no probe" 1 "pro_and_epilogue" { target { ! caller_implicit_probes } } } } */ | |
| 29 | |
| 30 /* Neither of these functions are a nonreturn function. */ | |
| 31 /* { dg-final { scan-rtl-dump-times "Stack clash not noreturn" 2 "pro_and_epilogue" } } */ | |
| 32 | |
| 33 /* If the callee realigns the stack or has a mandatory frame, then both functions | |
| 34 have a residual allocation. Else just g() has a residual allocation. */ | |
| 35 /* { dg-final { scan-rtl-dump-times "Stack clash residual allocation in prologue" 2 "pro_and_epilogue" } } */ | |
| 36 | |
| 37 | |
| 38 /* If the target has frame pointers for non-leafs, then both functions will | |
| 39 need a frame pointer. Otherwise neither should. */ | |
| 40 /* { dg-final { scan-rtl-dump-times "Stack clash no frame pointer needed" 2 "pro_and_epilogue" { target { ! frame_pointer_for_non_leaf } } } } */ | |
| 41 /* { dg-final { scan-rtl-dump-times "Stack clash frame pointer needed" 2 "pro_and_epilogue" { target { frame_pointer_for_non_leaf } } } } */ |