diff options
Diffstat (limited to 'gcc/ra-build.c')
| -rw-r--r-- | gcc/ra-build.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/gcc/ra-build.c b/gcc/ra-build.c index 69f6aaa5872..b66e0972c7d 100644 --- a/gcc/ra-build.c +++ b/gcc/ra-build.c @@ -924,6 +924,7 @@ live_in (struct df *df, struct curr_use *use, rtx insn) are allowed. */ while (1) { + unsigned int i; int uid = INSN_UID (insn); basic_block bb = BLOCK_FOR_INSN (insn); number_seen[uid]++; @@ -940,7 +941,7 @@ live_in (struct df *df, struct curr_use *use, rtx insn) edge e; unsigned HOST_WIDE_INT undef = use->undefined; struct ra_bb_info *info = (struct ra_bb_info *) bb->aux; - if ((e = bb->pred) == NULL) + if (EDGE_COUNT (bb->preds) == 0) return; /* We now check, if we already traversed the predecessors of this block for the current pass and the current set of undefined @@ -952,8 +953,9 @@ live_in (struct df *df, struct curr_use *use, rtx insn) info->pass = loc_vpass; info->undefined = undef; /* All but the last predecessor are handled recursively. */ - for (; e->pred_next; e = e->pred_next) + for (e = NULL, i = 0; i < EDGE_COUNT (bb->preds) - 1; i++) { + e = EDGE_PRED (bb, i); insn = live_in_edge (df, use, e); if (insn) live_in (df, use, insn); |