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| author | Eric Botcazou <ebotcazou@adacore.com> | 2011-05-25 11:00:14 +0000 |
|---|---|---|
| committer | Eric Botcazou <ebotcazou@gcc.gnu.org> | 2011-05-25 11:00:14 +0000 |
| commit | a11e0df4da7c987c9627724748fe727183e9379f (patch) | |
| tree | 8f263f60484dabe77a13c389e9ce210b121dbc56 /gcc/testsuite/gcc.dg/stack-usage-2.c | |
| parent | e7cfe2413fe50e22eb2c013415cec9e154d3c391 (diff) | |
| download | gcc-a11e0df4da7c987c9627724748fe727183e9379f.zip gcc-a11e0df4da7c987c9627724748fe727183e9379f.tar.gz gcc-a11e0df4da7c987c9627724748fe727183e9379f.tar.bz2 | |
common.opt (flag_stack_usage_info): New variable.
* common.opt (flag_stack_usage_info): New variable.
(-Wstack-usage): New option.
* doc/invoke.texi (Warning options): Document -Wstack-usage.
* opts.c (common_handle_option) <OPT_Wstack_usage_>: New case.
<OPT_fstack_usage>: Likewise.
* toplev.c (output_stack_usage): Handle -Wstack-usage.
* calls.c (expand_call): Test flag_stack_usage_info variable instead
of flag_stack_usage.
(emit_library_call_value_1): Likewise.
* explow.c (allocate_dynamic_stack_space): Likewise.
* function.c (instantiate_virtual_regs ): Likewise.
(prepare_function_start): Likewise.
(rest_of_handle_thread_prologue_and_epilogue): Likewise.
* config/alpha/alpha.c (alpha_expand_prologue): Likewise.
* config/arm/arm.c (arm_expand_prologue): Likewise.
(thumb1_expand_prologue): Likewise.
* config/avr/avr.c (expand_prologue): Likewise.
* config/i386/i386.c (ix86_expand_prologue): Likewise.
* config/ia64/ia64.c (ia64_expand_prologue): Likewise.
* config/m68k/m68k.c (m68k_expand_prologue): Likewise.
* config/mips/mips.c (mips_expand_prologue): Likewise.
* config/pa/pa.c (hppa_expand_prologue): Likewise.
* config/rs6000/rs6000.c (rs6000_emit_prologue): Likewise.
* config/s390/s390.c (s390_emit_prologue): Likewise.
* config/sh/sh.c (sh_expand_prologue): Likewise.
* config/sparc/sparc.c (sparc_expand_prologue): Likewise.
* config/spu/spu.c (spu_expand_prologue): Likewise.
From-SVN: r174182
Diffstat (limited to 'gcc/testsuite/gcc.dg/stack-usage-2.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/stack-usage-2.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/stack-usage-2.c b/gcc/testsuite/gcc.dg/stack-usage-2.c new file mode 100644 index 0000000..d3c17a8 --- /dev/null +++ b/gcc/testsuite/gcc.dg/stack-usage-2.c @@ -0,0 +1,33 @@ +/* { dg-do compile } */ +/* { dg-options "-Wstack-usage=512" } */ + +int foo1 (void) +{ + char arr[16]; + arr[0] = 1; + return 0; +} /* { dg-bogus "stack usage" } */ + +int foo2 (void) +{ + char arr[1024]; + arr[0] = 1; + return 0; +} /* { dg-warning "stack usage is \[0-9\]* bytes" } */ + +int foo3 (void) +{ + char arr[1024] __attribute__((aligned (512))); + arr[0] = 1; + /* Force dynamic realignment of argument pointer. */ + __builtin_apply ((void (*)()) foo2, 0, 0); + return 0; + +} /* { dg-warning "stack usage might be \[0-9\]* bytes" } */ + +int foo4 (int n) +{ + char arr[n]; + arr[0] = 1; + return 0; +} /* { dg-warning "stack usage might be unbounded" } */ |