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| author | jason <jason@138bc75d-0d04-0410-961f-82ee72b054a4> | 2000-03-09 19:01:47 +0000 |
|---|---|---|
| committer | jason <jason@138bc75d-0d04-0410-961f-82ee72b054a4> | 2000-03-09 19:01:47 +0000 |
| commit | f929a98a102bd45c0cfd909caa136b1ea3e428b2 (patch) | |
| tree | 0c173c0ea7357ad6956b8a86933712368ca50d23 /gcc/except.h | |
| parent | b9eaf89e3e8fa6c177925d01a838bafbe9036f40 (diff) | |
| download | gcc-f929a98a102bd45c0cfd909caa136b1ea3e428b2.tar.gz | |
* except.c (can_throw): See through a SEQUENCE.
(nothrow_function_p): New fn.
* except.h: Declare it.
* function.c (current_function_nothrow): New var.
(prepare_function_start): Initialize it.
* output.h: Declare it.
* toplev.c (rest_of_compilation): Set it.
* dwarf2out.c (dwarf2out_begin_prologue): Use it.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@32449 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/except.h')
| -rw-r--r-- | gcc/except.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/except.h b/gcc/except.h index a1408c37ca7..1087bc1dcfe 100644 --- a/gcc/except.h +++ b/gcc/except.h @@ -427,6 +427,10 @@ extern struct label_node *outer_context_label_stack; extern rtx exception_handler_labels; +/* Return nonzero if nothing in this function can throw. */ + +extern int nothrow_function_p PARAMS ((void)); + /* Performs optimizations for exception handling, such as removing unnecessary exception regions. Invoked from jump_optimize (). */ |