diff options
Diffstat (limited to 'target/hppa/translate.c')
| -rw-r--r-- | target/hppa/translate.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/target/hppa/translate.c b/target/hppa/translate.c index dad8ce5..dc5636f 100644 --- a/target/hppa/translate.c +++ b/target/hppa/translate.c @@ -3488,12 +3488,16 @@ static bool trans_b_gate(DisasContext *ctx, arg_b_gate *a) static bool trans_blr(DisasContext *ctx, arg_blr *a) { - TCGv_reg tmp = get_temp(ctx); - - tcg_gen_shli_reg(tmp, load_gpr(ctx, a->x), 3); - tcg_gen_addi_reg(tmp, tmp, ctx->iaoq_f + 8); - /* The computation here never changes privilege level. */ - return do_ibranch(ctx, tmp, a->l, a->n); + if (a->x) { + TCGv_reg tmp = get_temp(ctx); + tcg_gen_shli_reg(tmp, load_gpr(ctx, a->x), 3); + tcg_gen_addi_reg(tmp, tmp, ctx->iaoq_f + 8); + /* The computation here never changes privilege level. */ + return do_ibranch(ctx, tmp, a->l, a->n); + } else { + /* BLR R0,RX is a good way to load PC+8 into RX. */ + return do_dbranch(ctx, ctx->iaoq_f + 8, a->l, a->n); + } } static bool trans_bv(DisasContext *ctx, arg_bv *a) |