diff options
| -rw-r--r-- | tcg/optimize.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/tcg/optimize.c b/tcg/optimize.c index fbaaece152..acff3985f3 100644 --- a/tcg/optimize.c +++ b/tcg/optimize.c @@ -2056,14 +2056,16 @@ static bool fold_neg(OptContext *ctx, TCGOp *op) static bool fold_nor(OptContext *ctx, TCGOp *op) { + uint64_t s_mask; + if (fold_const2_commutative(ctx, op) || fold_xi_to_not(ctx, op, 0)) { return true; } - ctx->s_mask = arg_info(op->args[1])->s_mask - & arg_info(op->args[2])->s_mask; - return false; + s_mask = arg_info(op->args[1])->s_mask + & arg_info(op->args[2])->s_mask; + return fold_masks_s(ctx, op, s_mask); } static bool fold_not(OptContext *ctx, TCGOp *op) |