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| author | Richard Henderson <rth@redhat.com> | 2002-09-18 17:10:10 -0700 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 2002-09-18 17:10:10 -0700 |
| commit | 2c67b7c62b4def6be6b4382ef7457eda933aef9d (patch) | |
| tree | 979194822dd83a584d4c468d30f46cc59babcb83 /gcc/sibcall.c | |
| parent | 15769ca344d8bf0a6faebadaf262e8c98572a0e7 (diff) | |
| download | gcc-2c67b7c62b4def6be6b4382ef7457eda933aef9d.zip gcc-2c67b7c62b4def6be6b4382ef7457eda933aef9d.tar.gz gcc-2c67b7c62b4def6be6b4382ef7457eda933aef9d.tar.bz2 | |
sibcall.c (optimize_sibling_and_tail_recursive_call): Also remove RTX_UNCHANGING_P markers for successful tail-recursive replacement.
* sibcall.c (optimize_sibling_and_tail_recursive_call): Also remove
RTX_UNCHANGING_P markers for successful tail-recursive replacement.
From-SVN: r57290
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 d13f3a9..4073e7c 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; |