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| author | steven <steven@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-01-26 15:08:50 +0000 |
|---|---|---|
| committer | steven <steven@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-01-26 15:08:50 +0000 |
| commit | 6070c03585d1fbef96c79f02ee97abdfc64bef1f (patch) | |
| tree | 001ffb21efda9c3fb69f2a80771b3f74a68f663a /gcc/tree.h | |
| parent | 58a1adeaea65751aa32d498fcaa0e7cbcacf535e (diff) | |
| download | gcc-6070c03585d1fbef96c79f02ee97abdfc64bef1f.tar.gz | |
PR middle-end/19616
* tree.h (CALL_EXPR_TAILCALL): Add comment.
* calls.c (check_sibcall_argument_overlap_1): Revert the change
to this function from 2004-07-10.
* tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
the current function for tail call optimizations if the address
of one of it its arguments is taken.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@94265 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree.h')
| -rw-r--r-- | gcc/tree.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/tree.h b/gcc/tree.h index 4fdff0c76e1..884f2c43d45 100644 --- a/gcc/tree.h +++ b/gcc/tree.h @@ -824,6 +824,9 @@ extern void tree_operand_check_failed (int, enum tree_code, had its address taken. That matters for inline functions. */ #define TREE_ADDRESSABLE(NODE) ((NODE)->common.addressable_flag) +/* Set on a CALL_EXPR if the call is in a tail position, ie. just before the + exit of a function. Calls for which this is true are candidates for tail + call optimizations. */ #define CALL_EXPR_TAILCALL(NODE) (CALL_EXPR_CHECK(NODE)->common.addressable_flag) /* In a VAR_DECL, nonzero means allocate static storage. |