diff options
| 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 | |
| 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')
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/stack-usage-1.c | 2 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/stack-usage-2.c | 33 |
3 files changed, 39 insertions, 1 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index af20a3e..7e18785 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2011-05-25 Eric Botcazou <ebotcazou@adacore.com> + + * gcc.dg/stack-usage-1.c: Adjust comment. + * gcc.dg/stack-usage-2.c: New test. + 2011-05-25 Jakub Jelinek <jakub@redhat.com> PR c++/49136 diff --git a/gcc/testsuite/gcc.dg/stack-usage-1.c b/gcc/testsuite/gcc.dg/stack-usage-1.c index 321fec7..f55168e 100644 --- a/gcc/testsuite/gcc.dg/stack-usage-1.c +++ b/gcc/testsuite/gcc.dg/stack-usage-1.c @@ -2,7 +2,7 @@ /* { dg-options "-fstack-usage" } */ /* This is aimed at testing basic support for -fstack-usage in the back-ends. - See the SPARC back-end for an example (grep flag_stack_usage in sparc.c). + See the SPARC back-end for example (grep flag_stack_usage_info in sparc.c). Once it is implemented, adjust SIZE below so that the stack usage for the function FOO is reported as 256 or 264 in the stack usage (.su) file. Then check that this is the actual stack usage in the assembly file. */ 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" } */ |