diff options
| author | ebotcazou <ebotcazou@138bc75d-0d04-0410-961f-82ee72b054a4> | 2012-05-30 08:52:36 +0000 |
|---|---|---|
| committer | ebotcazou <ebotcazou@138bc75d-0d04-0410-961f-82ee72b054a4> | 2012-05-30 08:52:36 +0000 |
| commit | 15b37e314a4ce89a0fa8f5e6291012539a4350b5 (patch) | |
| tree | 53d15625dc76c77fcaca046c5f6f60de15ec7657 | |
| parent | 77b4556a2f1954c4ffde49b7d19604d82f9b5e3e (diff) | |
| download | gcc-15b37e314a4ce89a0fa8f5e6291012539a4350b5.tar.gz | |
* explow.c (probe_stack_range): Restore simple control flow and stop
again when the probe cannot be generated if HAVE_check_stack.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@188003 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/explow.c | 9 |
2 files changed, 9 insertions, 5 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index b915e682a45..0df8c162c0f 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2012-05-30 Eric Botcazou <ebotcazou@adacore.com> + + * explow.c (probe_stack_range): Restore simple control flow and stop + again when the probe cannot be generated if HAVE_check_stack. + 2012-05-30 Jakub Jelinek <jakub@redhat.com> PR rtl-optimization/53519 diff --git a/gcc/explow.c b/gcc/explow.c index 5513a123e3d..be8bf3e1f0e 100644 --- a/gcc/explow.c +++ b/gcc/explow.c @@ -1579,12 +1579,11 @@ probe_stack_range (HOST_WIDE_INT first, rtx size) size, first))); emit_library_call (stack_check_libfunc, LCT_NORMAL, VOIDmode, 1, addr, Pmode); - return; } /* Next see if we have an insn to check the stack. */ #ifdef HAVE_check_stack - if (HAVE_check_stack) + else if (HAVE_check_stack) { struct expand_operand ops[1]; rtx addr = memory_address (Pmode, @@ -1592,10 +1591,10 @@ probe_stack_range (HOST_WIDE_INT first, rtx size) stack_pointer_rtx, plus_constant (Pmode, size, first))); - + bool success; create_input_operand (&ops[0], addr, Pmode); - if (maybe_expand_insn (CODE_FOR_check_stack, 1, ops)) - return; + success = maybe_expand_insn (CODE_FOR_check_stack, 1, ops); + gcc_assert (success); } #endif |