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| author | rth <rth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2002-09-19 00:10:10 +0000 |
|---|---|---|
| committer | rth <rth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2002-09-19 00:10:10 +0000 |
| commit | 2ce5f0b9e987c7de38e4fb193fd2b2267d17b36e (patch) | |
| tree | 979194822dd83a584d4c468d30f46cc59babcb83 /gcc/sibcall.c | |
| parent | be93f411df354ecbe350b550191bb135775f425b (diff) | |
| download | gcc-2ce5f0b9e987c7de38e4fb193fd2b2267d17b36e.tar.gz | |
* sibcall.c (optimize_sibling_and_tail_recursive_call): Also remove
RTX_UNCHANGING_P markers for successful tail-recursive replacement.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@57290 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/sibcall.c')
| -rw-r--r-- | gcc/sibcall.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/gcc/sibcall.c b/gcc/sibcall.c index d13f3a9064a..4073e7cb4fe 100644 --- a/gcc/sibcall.c +++ b/gcc/sibcall.c @@ -574,8 +574,8 @@ optimize_sibling_and_tail_recursive_calls () rtx insn, insns; basic_block alternate_exit = EXIT_BLOCK_PTR; bool no_sibcalls_this_function = false; - int successful_sibling_call = 0; - int replaced_call_placeholder = 0; + bool successful_replacement = false; + bool replaced_call_placeholder = false; edge e; insns = get_insns (); @@ -704,10 +704,11 @@ optimize_sibling_and_tail_recursive_calls () /* Select a set of insns to implement the call and emit them. Tail recursion is the most efficient, so select it over a tail/sibling call. */ - if (sibcall) - successful_sibling_call = 1; - replaced_call_placeholder = 1; + if (sibcall || tailrecursion) + successful_replacement = true; + replaced_call_placeholder = true; + replace_call_placeholder (insn, tailrecursion != 0 ? sibcall_use_tail_recursion @@ -717,7 +718,7 @@ optimize_sibling_and_tail_recursive_calls () } } - if (successful_sibling_call) + if (successful_replacement) { rtx insn; tree arg; |