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cfglayout.c (fixup_reorder_chain): Handle case where the destination of E_FALL is EXIT_BLOCK_PTR. 

* cfglayout.c (fixup_reorder_chain): Handle case where the
	destination of E_FALL is EXIT_BLOCK_PTR.

From-SVN: r83247
This commit is contained in:
Joern Rennecke 2004-06-16 17:49:22 +01:00
parent d9c75fe042
commit e370de6e30
1 changed files with 4 additions and 2 deletions
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6
gcc/cfglayout.c
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@ -712,13 +712,15 @@ fixup_reorder_chain (void)
if (note
&& INTVAL (XEXP (note, 0)) < REG_BR_PROB_BASE / 2
&& invert_jump (bb_end_insn,
label_for_bb (e_fall->dest), 0))
(e_fall->dest == EXIT_BLOCK_PTR
? NULL_RTX
: label_for_bb (e_fall->dest)), 0))
{
e_fall->flags &= ~EDGE_FALLTHRU;
#ifdef ENABLE_CHECKING
if (!could_fall_through (e_taken->src, e_taken->dest))
abort ();
#endif
e_fall->flags &= ~EDGE_FALLTHRU;
e_taken->flags |= EDGE_FALLTHRU;
update_br_prob_note (bb);
e = e_fall, e_fall = e_taken, e_taken = e;