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re PR rtl-optimization/29323 (set_nothrow_function_flags does invalid analysis on weak functions)

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2006-10-10  Richard Guenther  <rguenther@suse.de>

	PR rtl-optimization/29323
	* except.c (set_nothrow_function_flags): For functions
	that do not bind local bail out early.

	* decl.c (finish_function): Set TREE_NOTHROW only for
	functions that bind local.

From-SVN: r117598
This commit is contained in:
Richard Guenther 2006-10-10 08:27:02 +00:00 committed by Richard Biener
parent bdcee4712e
commit be0436d7d9
4 changed files with 17 additions and 1 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2006-10-10 Richard Guenther <rguenther@suse.de>
PR rtl-optimization/29323
* except.c (set_nothrow_function_flags): For functions
that do not bind local bail out early.
2006-10-10 Ben Elliston <bje@au.ibm.com>
* doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the

6
gcc/cp/ChangeLog
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@ -1,3 +1,9 @@
2006-10-10 Richard Guenther <rguenther@suse.de>
PR rtl-optimization/29323
* decl.c (finish_function): Set TREE_NOTHROW only for
functions that bind local.
2006-10-09 Richard Henderson <rth@redhat.com>
Revert emutls patch.

3
gcc/cp/decl.c
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@ -11096,7 +11096,8 @@ finish_function (int flags)
/* If this function can't throw any exceptions, remember that. */
if (!processing_template_decl
&& !cp_function_chain->can_throw
&& !flag_non_call_exceptions)
&& !flag_non_call_exceptions
&& targetm.binds_local_p (fndecl))
TREE_NOTHROW (fndecl) = 1;
/* This must come after expand_function_end because cleanups might

3
gcc/except.c
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@ -2787,6 +2787,9 @@ set_nothrow_function_flags (void)
{
rtx insn;
if (!targetm.binds_local_p (current_function_decl))
return 0;
TREE_NOTHROW (current_function_decl) = 1;
/* Assume cfun->all_throwers_are_sibcalls until we encounter