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| author | kan <kan@FreeBSD.org> | 2002-09-01 20:38:57 +0000 |
|---|---|---|
| committer | kan <kan@FreeBSD.org> | 2002-09-01 20:38:57 +0000 |
| commit | 2e25f3a6c57335cba50111faceb0ce2ab59e9bcb (patch) | |
| tree | c6857d31c36dbd89a881b0229bf38b062797d413 /contrib/gcc/bb-reorder.c | |
| parent | 0895e1acb698e05d503c26bec5471de2e88b7d93 (diff) | |
| download | FreeBSD-src-2e25f3a6c57335cba50111faceb0ce2ab59e9bcb.zip FreeBSD-src-2e25f3a6c57335cba50111faceb0ce2ab59e9bcb.tar.gz | |
Gcc 3.2.1-prerelease from the FSF anoncvs repo gcc-3_2-branch on 1-Sep-2002 00:00:01 EDT.
Diffstat (limited to 'contrib/gcc/bb-reorder.c')
| -rw-r--r-- | contrib/gcc/bb-reorder.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/contrib/gcc/bb-reorder.c b/contrib/gcc/bb-reorder.c index 2578604..b0cc462 100644 --- a/contrib/gcc/bb-reorder.c +++ b/contrib/gcc/bb-reorder.c @@ -211,17 +211,21 @@ make_reorder_chain_1 (bb, prev) /* In the absence of a prediction, disturb things as little as possible by selecting the old "next" block from the list of successors. If there had been a fallthru edge, that will be the one. */ + /* Note that the fallthru block may not be next any time we eliminate + forwarder blocks. */ if (! next) { for (e = bb->succ; e ; e = e->succ_next) - if (e->dest->index == bb->index + 1) + if (e->flags & EDGE_FALLTHRU) { - if ((e->flags & EDGE_FALLTHRU) - || (e->dest->succ - && ! (e->flags & (EDGE_ABNORMAL_CALL | EDGE_EH)))) - next = e->dest; + next = e->dest; break; } + else if (e->dest->index == bb->index + 1) + { + if (! (e->flags & (EDGE_ABNORMAL_CALL | EDGE_EH))) + next = e->dest; + } } /* Make sure we didn't select a silly next block. */ |
