On 12/10/24 07:23, Richard Henderson wrote:
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
> tcg/optimize.c | 8 +++-----
> 1 file changed, 3 insertions(+), 5 deletions(-)
>
> diff --git a/tcg/optimize.c b/tcg/optimize.c
> index a0ccf7f3f2..5d10e704a7 100644
> --- a/tcg/optimize.c
> +++ b/tcg/optimize.c
> @@ -1759,7 +1759,7 @@ static bool fold_extract2(OptContext *ctx, TCGOp *op)
>
> static bool fold_exts(OptContext *ctx, TCGOp *op)
> {
> - uint64_t s_mask_old, s_mask, z_mask, sign;
> + uint64_t s_mask_old, s_mask, z_mask, a_mask = -1, sign;
> bool type_change = false;
>
> if (fold_const1(ctx, op)) {
> @@ -1795,13 +1795,11 @@ static bool fold_exts(OptContext *ctx, TCGOp *op)
> }
> s_mask |= sign << 1;
>
> - ctx->z_mask = z_mask;
> - ctx->s_mask = s_mask;
> if (!type_change) {
> - ctx->a_mask = s_mask & ~s_mask_old;
> + a_mask = s_mask & ~s_mask_old;
> }
>
> - return fold_masks(ctx, op);
> + return fold_masks_zsa(ctx, op, z_mask, s_mask, a_mask);
> }
>
> static bool fold_extu(OptContext *ctx, TCGOp *op)
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>