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sibcall.c (optimize_sibling_and_tail_recursive_call): Also remove RTX_UNCHANGING_P markers for successful tail-recursive replacement.

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* sibcall.c (optimize_sibling_and_tail_recursive_call): Also remove
        RTX_UNCHANGING_P markers for successful tail-recursive replacement.

From-SVN: r57290
This commit is contained in:
Richard Henderson 2002-09-18 17:10:10 -07:00 committed by Richard Henderson
parent 15769ca344
commit 2c67b7c62b
2 changed files with 12 additions and 6 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2002-09-18 Richard Henderson <rth@redhat.com>
* sibcall.c (optimize_sibling_and_tail_recursive_call): Also remove
RTX_UNCHANGING_P markers for successful tail-recursive replacement.
2002-09-18 Richard Henderson <rth@redhat.com>
* real.c (round_for_format): Collect sticky as unsigned long, not bool.

13
gcc/sibcall.c
View File

@ -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;