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| author | Jakub Jelinek <jakub@redhat.com> | 2012-11-20 09:34:43 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2012-11-20 09:34:43 +0100 |
| commit | 40155239d684ae96712d34f3f4dcc88eef4fc99d (patch) | |
| tree | b8e399f48378d1d27ec4ce799592476990e6187c /gcc/testsuite/gcc.dg/pr54921.c | |
| parent | 4ced1d6de8b7ad914c4ea6fdb3121487d298c9e0 (diff) | |
| download | gcc-40155239d684ae96712d34f3f4dcc88eef4fc99d.zip gcc-40155239d684ae96712d34f3f4dcc88eef4fc99d.tar.gz gcc-40155239d684ae96712d34f3f4dcc88eef4fc99d.tar.bz2 | |
re PR middle-end/54921 (wrong code with -Os -fno-omit-frame-pointer -fsched2-use-superblocks -fstack-protector -ftree-slp-vectorize)
PR rtl-optimization/54921
* cselib.h (fp_setter_insn): New prototype.
* cselib.c (fp_setter_insn): New function.
(cselib_process_insn): If frame_pointer_needed,
call cselib_invalidate_rtx (stack_pointer_rtx) after
processing a frame pointer setter.
* var-tracking.c (fp_setter): Removed.
(vt_initialize): Use fp_setter_insn instead of fp_setter.
* gcc.dg/pr54921.c: New test.
From-SVN: r193647
Diffstat (limited to 'gcc/testsuite/gcc.dg/pr54921.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/pr54921.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pr54921.c b/gcc/testsuite/gcc.dg/pr54921.c new file mode 100644 index 0000000..897877a --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr54921.c @@ -0,0 +1,32 @@ +/* PR rtl-optimization/54921 */ +/* { dg-do run } */ +/* { dg-options "-Os -fno-omit-frame-pointer -fsched2-use-superblocks -ftree-slp-vectorize" } */ +/* { dg-additional-options "-fstack-protector" { target fstack_protector } } */ + +struct A +{ + int a; + char b[32]; +} a, b; + +__attribute__((noinline, noclone)) +struct A +bar (int x) +{ + struct A r; + static int n; + r.a = ++n; + __builtin_memset (r.b, 0, sizeof (r.b)); + r.b[0] = x; + return r; +} + +int +main () +{ + a = bar (3); + b = bar (4); + if (a.a != 1 || a.b[0] != 3 || b.a != 2 || b.b[0] != 4) + __builtin_abort (); + return 0; +} |