[PATCH 23/46] tcg/optimize: Use fold_masks_zs in fold_nor

[Richard Henderson]

Signed-off-by: Richard Henderson <richard.hender...@linaro.org>
---
 tcg/optimize.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/tcg/optimize.c b/tcg/optimize.c
index cc3dc91d3f..aa5242a380 100644
--- a/tcg/optimize.c
+++ b/tcg/optimize.c
@@ -2039,14 +2039,16 @@ 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_zs(ctx, op, -1, s_mask);
 }
 
 static bool fold_not(OptContext *ctx, TCGOp *op)
-- 
2.43.0