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function.c (expand_function_end): Move blockage to just after we emit the label for the naked return from the... 

2007-03-06  Andrew Haley  <aph@redhat.com>

        * function.c (expand_function_end): Move blockage to just after we
        emit the label for the naked return from the function.

From-SVN: r122626
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Andrew Haley 2007-03-06 17:21:37 +00:00 committed by Andrew Haley
parent af17c030e8
commit 251086461e
2 changed files with 13 additions and 10 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2007-03-06 Andrew Haley <aph@redhat.com>
* function.c (expand_function_end): Move blockage to just after we
emit the label for the naked return from the function.
2007-03-06 Richard Sandiford <richard@codesourcery.com>
* config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine

18
gcc/function.c
View File

@ -4327,16 +4327,6 @@ expand_function_end (void)
if (flag_exceptions)
sjlj_emit_function_exit_after (get_last_insn ());
}
else
{
/* @@@ This is a kludge. We want to ensure that instructions that
may trap are not moved into the epilogue by scheduling, because
we don't always emit unwind information for the epilogue.
However, not all machine descriptions define a blockage insn, so
emit an ASM_INPUT to act as one. */
if (flag_non_call_exceptions)
emit_insn (gen_rtx_ASM_INPUT (VOIDmode, ""));
}
/* If this is an implementation of throw, do what's necessary to
communicate between __builtin_eh_return and the epilogue. */
@ -4478,6 +4468,14 @@ expand_function_end (void)
/* Output the label for the naked return from the function. */
emit_label (naked_return_label);
/* @@@ This is a kludge. We want to ensure that instructions that
may trap are not moved into the epilogue by scheduling, because
we don't always emit unwind information for the epilogue.
However, not all machine descriptions define a blockage insn, so
emit an ASM_INPUT to act as one. */
if (! USING_SJLJ_EXCEPTIONS && flag_non_call_exceptions)
emit_insn (gen_rtx_ASM_INPUT (VOIDmode, ""));
/* If stack protection is enabled for this function, check the guard. */
if (cfun->stack_protect_guard)
stack_protect_epilogue ();