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Diffstat (limited to 'gcc/ifcvt.c')
| -rw-r--r-- | gcc/ifcvt.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/gcc/ifcvt.c b/gcc/ifcvt.c index d9f18bc..d74d945 100644 --- a/gcc/ifcvt.c +++ b/gcc/ifcvt.c @@ -3341,6 +3341,14 @@ dead_or_predicable (basic_block test_bb, basic_block merge_bb, /* ??? bb->local_set is only valid during calculate_global_regs_live, so we must recompute usage for MERGE_BB. Not so bad, I suppose, since we've already asserted that MERGE_BB is small. */ + /* If we allocated new pseudos (e.g. in the conditional move + expander called from noce_emit_cmove), we must resize the + array first. */ + if (max_regno < max_reg_num ()) + { + max_regno = max_reg_num (); + allocate_reg_info (max_regno, FALSE, FALSE); + } propagate_block (merge_bb, tmp, merge_set, merge_set, 0); /* For small register class machines, don't lengthen lifetimes of |