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jump.c (mark_all_labels): Canonicalize the tail recursion label attached to CALL_PLACEHOLDER insns. 

* jump.c (mark_all_labels): Canonicalize the tail recursion
        label attached to CALL_PLACEHOLDER insns.

From-SVN: r41400
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Jeffrey A Law 2001-04-18 03:39:19 +00:00 committed by Jeff Law
parent 2f4e671dfa
commit b9c81bcb53
2 changed files with 16 additions and 0 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
* jump.c (mark_all_labels): Canonicalize the tail recursion
label attached to CALL_PLACEHOLDER insns.
2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* output.h (dump_flow_info, free_basic_block_vars,

11
gcc/jump.c
View File

@ -843,6 +843,17 @@ mark_all_labels (f, cross_jump)
mark_all_labels (XEXP (PATTERN (insn), 0), cross_jump);
mark_all_labels (XEXP (PATTERN (insn), 1), cross_jump);
mark_all_labels (XEXP (PATTERN (insn), 2), cross_jump);
/* Canonicalize the tail recursion label attached to the
CALL_PLACEHOLDER insn. */
if (XEXP (PATTERN (insn), 3))
{
rtx label_ref = gen_rtx_LABEL_REF (VOIDmode,
XEXP (PATTERN (insn), 3));
mark_jump_label (label_ref, insn, cross_jump, 0);
XEXP (PATTERN (insn), 3) = XEXP (label_ref, 0);
}
continue;
}