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| author | Richard Henderson <rth@redhat.com> | 2002-05-16 19:31:56 -0700 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 2002-05-16 19:31:56 -0700 |
| commit | 0b17ab2f5b1184fdb568786f791bc0613e574241 (patch) | |
| tree | 94c8895c6dde3b282518d4c9951067cd0ac517fd /gcc/sched-ebb.c | |
| parent | 8ae86b3cd8c96e287714f127879b018ac7fccd7d (diff) | |
| download | gcc-0b17ab2f5b1184fdb568786f791bc0613e574241.tar.gz | |
Revert "Basic block renumbering removal", and two followup patches.
From-SVN: r53537
Diffstat (limited to 'gcc/sched-ebb.c')
| -rw-r--r-- | gcc/sched-ebb.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/gcc/sched-ebb.c b/gcc/sched-ebb.c index 67f88844378..5f1464b9c14 100644 --- a/gcc/sched-ebb.c +++ b/gcc/sched-ebb.c @@ -279,11 +279,11 @@ void schedule_ebbs (dump_file) FILE *dump_file; { - basic_block bb; + int i; /* Taking care of this degenerate case makes the rest of this code simpler. */ - if (num_basic_blocks == 0) + if (n_basic_blocks == 0) return; scope_to_insns_initialize (); @@ -296,19 +296,20 @@ schedule_ebbs (dump_file) compute_bb_for_insn (get_max_uid ()); /* Schedule every region in the subroutine. */ - FOR_ALL_BB (bb) - { - rtx head = bb->head; + for (i = 0; i < n_basic_blocks; i++) + { + rtx head = BASIC_BLOCK (i)->head; rtx tail; for (;;) { + basic_block b = BASIC_BLOCK (i); edge e; - tail = bb->end; - if (bb->next_bb == EXIT_BLOCK_PTR - || GET_CODE (bb->next_bb->head) == CODE_LABEL) + tail = b->end; + if (i + 1 == n_basic_blocks + || GET_CODE (BLOCK_HEAD (i + 1)) == CODE_LABEL) break; - for (e = bb->succ; e; e = e->succ_next) + for (e = b->succ; e; e = e->succ_next) if ((e->flags & EDGE_FALLTHRU) != 0) break; if (! e) @@ -324,7 +325,7 @@ schedule_ebbs (dump_file) } } - bb = bb->next_bb; + i++; } /* Blah. We should fix the rest of the code not to get confused by |