| Message ID | 4D94C80C.10100@codesourcery.com |
|---|---|
| State | New |
| Headers | show |
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On 03/31/11 12:29, Tom de Vries wrote:
> Cleans up some code.
OK. Note that it would have helped if you mentioned that "bb" was a
loop invariant and thus "ev" and "ev2" were loop invariants that could
be replaced by "bb".
Please install.. Thanks,
jeff
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diff -u gcc/cfgcleanup.c gcc/cfgcleanup.c --- gcc/cfgcleanup.c (working copy) +++ gcc/cfgcleanup.c (working copy) @@ -1961,7 +1961,6 @@ edge e, e2, fallthru; bool changed; unsigned max, ix, ix2; - basic_block ev, ev2; /* Nothing to do if there is not at least two incoming edges. */ if (EDGE_COUNT (bb->preds) < 2) @@ -2001,9 +2000,9 @@ fallthru = find_fallthru_edge (bb->preds); changed = false; - for (ix = 0, ev = bb; ix < EDGE_COUNT (ev->preds); ) + for (ix = 0; ix < EDGE_COUNT (bb->preds);) { - e = EDGE_PRED (ev, ix); + e = EDGE_PRED (bb, ix); ix++; /* As noted above, first try with the fallthru predecessor (or, a @@ -2021,7 +2020,6 @@ { changed = true; ix = 0; - ev = bb; continue; } } @@ -2045,10 +2043,9 @@ if (EDGE_SUCC (e->src, 0) != e) continue; - for (ix2 = 0, ev2 = bb; ix2 < EDGE_COUNT (ev2->preds); ) + for (ix2 = 0; ix2 < EDGE_COUNT (bb->preds); ix2++) { - e2 = EDGE_PRED (ev2, ix2); - ix2++; + e2 = EDGE_PRED (bb, ix2); if (e2 == e) continue; @@ -2071,7 +2068,6 @@ if (try_crossjump_to_edge (mode, e, e2)) { changed = true; - ev2 = bb; ix = 0; break; }