Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/stack-usage-2.c @ 158:494b0b89df80 default tip
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author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Mon, 25 May 2020 18:13:55 +0900 |
parents | 04ced10e8804 |
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/* { dg-do compile } */ /* { dg-options "-Wstack-usage=512" } */ /* { dg-require-effective-target untyped_assembly } */ int foo1 (void) /* { dg-bogus "stack usage" } */ { char arr[16]; arr[0] = 1; return 0; } int foo2 (void) /* { dg-warning "stack usage is \[0-9\]* bytes" } */ { char arr[1024]; arr[0] = 1; return 0; } /* The actual warning depends on whether stack space is allocated dynamically or statically. */ int foo3 (void) /* { dg-warning "stack usage (might be)|(is) \[0-9\]* bytes" } */ { char arr[1024] __attribute__((aligned (512))); arr[0] = 1; /* Force dynamic realignment of argument pointer. */ __builtin_apply ((void (*)()) foo2, 0, 0); return 0; } int foo4 (int n) /* { dg-warning "stack usage might be unbounded" } */ { char arr[n]; arr[0] = 1; return 0; }