From 2c67b7c62b4def6be6b4382ef7457eda933aef9d Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Wed, 18 Sep 2002 17:10:10 -0700 Subject: [PATCH] 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 --- gcc/ChangeLog | 5 +++++ gcc/sibcall.c | 13 +++++++------ 2 files changed, 12 insertions(+), 6 deletions(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 7358c1c7c7b..10414c82637 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2002-09-18 Richard Henderson + + * sibcall.c (optimize_sibling_and_tail_recursive_call): Also remove + RTX_UNCHANGING_P markers for successful tail-recursive replacement. + 2002-09-18 Richard Henderson * real.c (round_for_format): Collect sticky as unsigned long, not bool. 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; -- 2.30.2