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bb-reorder.c (function_tail_eff_head): New.

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* bb-reorder.c (function_tail_eff_head): New.
        (record_effective_endpoints): Set it.
        (fixup_reorder_chain): Use it.

From-SVN: r45255
This commit is contained in:
Richard Henderson 2001-08-29 02:31:44 -07:00 committed by Richard Henderson
parent c43f84d7ce
commit a7b01a4bf1
2 changed files with 22 additions and 2 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2001-08-29 Richard Henderson <rth@redhat.com>
* bb-reorder.c (function_tail_eff_head): New.
(record_effective_endpoints): Set it.
(fixup_reorder_chain): Use it.
2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* dwarf2asm.c (dw2_asm_output_nstring): Fix typo in previous change.

18
gcc/bb-reorder.c
View File

@ -171,6 +171,9 @@ typedef struct reorder_block_def
#define RBI(BB) ((reorder_block_def) (BB)->aux)
/* Holds the interesting trailing notes for the function. */
static rtx function_tail_eff_head;
/* Local function prototypes. */
static rtx skip_insns_after_block PARAMS ((basic_block));
@ -307,6 +310,7 @@ record_effective_endpoints ()
RBI (bb)->eff_end = end;
next_insn = NEXT_INSN (end);
}
function_tail_eff_head = next_insn;
}
@ -580,8 +584,18 @@ fixup_reorder_chain ()
last_bb = bb;
bb = RBI (bb)->next;
}
NEXT_INSN (RBI (last_bb)->eff_end) = NULL_RTX;
set_last_insn (RBI (last_bb)->eff_end);
{
rtx insn = RBI (last_bb)->eff_end;
NEXT_INSN (insn) = function_tail_eff_head;
if (function_tail_eff_head)
PREV_INSN (function_tail_eff_head) = insn;
while (NEXT_INSN (insn))
insn = NEXT_INSN (insn);
set_last_insn (insn);
}
/* Now add jumps and labels as needed to match the blocks new
outgoing edges. */