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| author | Sandra Loosemore <sandra@codesourcery.com> | 2012-07-25 18:08:06 +0000 |
|---|---|---|
| committer | Sandra Loosemore <sandra@codesourcery.com> | 2012-07-25 18:08:06 +0000 |
| commit | 708b7194c3f6755b7e29e888954a1e3841210cb1 (patch) | |
| tree | f42803034e2d99c0fb7f313962516557837e0a57 /gcc/tree-cfg.c | |
| parent | 697c1acf6333114e092d757cc07cab1bd2f206c9 (diff) | |
2012-07-25 Sandra Loosemore <sandra@codesourcery.com>
Paul Brook <paul@codesourcery.com>
PR target/53633
gcc/
* target.def (warn_func_return): New hook.
* doc/tm.texi.in (TARGET_WARN_FUNC_RETURN): New hook.
* doc/tm.texi: Regenerate.
* doc/sourcebuild.texi (Effective-Target Keywords): Document
naked_functions.
* ipa-pure-const.c (warn_function_noreturn): Check
targetm.warn_func_return.
* tree-cfg.c (execute_warn_function_return): Likewise.
* config/spu/spu.c (spu_warn_func_return): New.
(TARGET_WARN_FUNC_RETURN): Define.
* config/rx/rx.c (rx_warn_func_return): New.
(TARGET_WARN_FUNC_RETURN): Define.
* config/avr/avr.c (avr_warn_func_return): New.
(TARGET_WARN_FUNC_RETURN): Define.
* config/arm/arm.c (arm_warn_func_return): New.
(TARGET_WARN_FUNC_RETURN): Define.
* config/mcore/mcore.c (mcore_warn_func_return): New.
(TARGET_WARN_FUNC_RETURN): Define.
(saved_warn_return_type, saved_warn_return_type_count): Remove.
(mcore_reorg, mcore_handle_naked_attribute): Remove warn_return hack.
gcc/cp/
* decl.c (finish_function): Check targetm.warn_func_return.
gcc/testsuite/
* lib/target-suports.exp (check_effective_target_naked_functions):
New.
* c-c++-common/pr53633.c: New test.
git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@189860 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-cfg.c')
| -rw-r--r-- | gcc/tree-cfg.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/tree-cfg.c b/gcc/tree-cfg.c index 88efc785af6..2615de3bd35 100644 --- a/gcc/tree-cfg.c +++ b/gcc/tree-cfg.c @@ -40,6 +40,7 @@ along with GCC; see the file COPYING3. If not see #include "value-prof.h" #include "pointer-set.h" #include "tree-inline.h" +#include "target.h" /* This file contains functions for building the Control Flow Graph (CFG) for a function tree. */ @@ -7614,6 +7615,9 @@ execute_warn_function_return (void) edge e; edge_iterator ei; + if (!targetm.warn_func_return (cfun->decl)) + return 0; + /* If we have a path to EXIT, then we do return. */ if (TREE_THIS_VOLATILE (cfun->decl) && EDGE_COUNT (EXIT_BLOCK_PTR->preds) > 0) |