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| author | Richard Guenther <rguenther@suse.de> | 2010-05-30 19:52:53 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2010-05-30 19:52:53 +0000 |
| commit | 66a3e33967b012b5ec524c0c57618fe7408ce440 (patch) | |
| tree | 8f4e7597676168c07f9f377dec63e2b7b47a0b1e /gcc | |
| parent | 83bf7f5eb6e8507d1c8fad3e19c1fff801f19b37 (diff) | |
| download | gcc-66a3e33967b012b5ec524c0c57618fe7408ce440.zip gcc-66a3e33967b012b5ec524c0c57618fe7408ce440.tar.gz gcc-66a3e33967b012b5ec524c0c57618fe7408ce440.tar.bz2 | |
re PR middle-end/42975 (eh-cleanup should be able to clear DECL_FUNCTION_PERSONALITY)
2010-05-30 Richard Guenther <rguenther@suse.de>
PR lto/42975
* tree-eh.c (execute_cleanup_eh_1): Copy from execute_cleanup_eh.
(execute_cleanup_eh): Clear DECL_FUNCTION_PERSONALITY if it is
no longer needed.
From-SVN: r160059
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/tree-eh.c | 17 |
2 files changed, 23 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index bf40f35..986aace 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2010-05-30 Richard Guenther <rguenther@suse.de> + + PR lto/42975 + * tree-eh.c (execute_cleanup_eh_1): Copy from execute_cleanup_eh. + (execute_cleanup_eh): Clear DECL_FUNCTION_PERSONALITY if it is + no longer needed. + 2010-05-30 Iain Sandoe <iains@gcc.gnu.org> * config/darwin.c (output_objc_section_asm_op): Add comment. diff --git a/gcc/tree-eh.c b/gcc/tree-eh.c index a7dd72b..9c17c1e 100644 --- a/gcc/tree-eh.c +++ b/gcc/tree-eh.c @@ -3857,7 +3857,7 @@ cleanup_all_empty_eh (void) */ static unsigned int -execute_cleanup_eh (void) +execute_cleanup_eh_1 (void) { /* Do this first: unsplit_all_eh and cleanup_all_empty_eh can die looking up unreachable landing pads. */ @@ -3891,6 +3891,21 @@ execute_cleanup_eh (void) return 0; } +static unsigned int +execute_cleanup_eh (void) +{ + int ret = execute_cleanup_eh_1 (); + + /* If the function no longer needs an EH personality routine + clear it. This exposes cross-language inlining opportunities + and avoids references to a never defined personality routine. */ + if (DECL_FUNCTION_PERSONALITY (current_function_decl) + && function_needs_eh_personality (cfun) != eh_personality_lang) + DECL_FUNCTION_PERSONALITY (current_function_decl) = NULL_TREE; + + return ret; +} + static bool gate_cleanup_eh (void) { |