Signed-off-by: Michael Rolnik <mrol...@gmail.com> --- target-arc/translate-inst.c | 57 +++++++++++++++++++++++++++++++++++++++++++++ target-arc/translate-inst.h | 3 +++ 2 files changed, 60 insertions(+)
diff --git a/target-arc/translate-inst.c b/target-arc/translate-inst.c index 2a62f30..524b213 100644 --- a/target-arc/translate-inst.c +++ b/target-arc/translate-inst.c @@ -2560,3 +2560,60 @@ int arc_gen_SAT16(DisasCtxt *ctx, TCGv dest, TCGv src1) return BS_NONE; } +/* + ASLS +*/ +int arc_gen_ASLS(DisasCtxt *ctx, TCGv dest, TCGv src1, TCGv src2) +{ + /* TODO */ + + return BS_NONE; +} + + +/* + ASRS +*/ +int arc_gen_ASRS(DisasCtxt *ctx, TCGv dest, TCGv src1, TCGv src2) +{ + /* TODO: check */ + TCGv rslt = dest; + TCGv shft = tcg_temp_new_i32(); + TCGLabel *label_pos = gen_new_label(); + TCGLabel *label_done = gen_new_label(); + + if (TCGV_EQUAL(dest, src1) || TCGV_EQUAL(dest, src2)) { + rslt = tcg_temp_new_i32(); + } + + tcg_gen_brcond_tl(TCG_COND_LEU, src2, ctx->smax32, label_pos); + + /* negative */ + tcg_gen_movcond_tl(TCG_COND_GT, shft, src2, ctx->smin5, src2, ctx->smin5); + tcg_gen_neg_tl(shft, shft); + tcg_gen_shl_tl(rslt, src1, shft); + + tcg_gen_br(label_done); + +gen_set_label(label_pos); + /* positive */ + tcg_gen_movcond_tl(TCG_COND_LT, shft, src2, ctx->smax5, src2, ctx->smax5); + tcg_gen_sar_tl(rslt, src1, shft); + +gen_set_label(label_done); + + if (ctx->opt.f) { + tcg_gen_setcond_tl(TCG_COND_EQ, cpu_Zf, rslt, ctx->zero); + tcg_gen_sari_tl(cpu_Nf, rslt, 31); + } + + if (!TCGV_EQUAL(dest, rslt)) { + tcg_gen_mov_tl(dest, rslt); + tcg_temp_free_i32(rslt); + } + + tcg_temp_free_i32(shft); + + return BS_NONE; +} + diff --git a/target-arc/translate-inst.h b/target-arc/translate-inst.h index c84d989..e2b76d4 100644 --- a/target-arc/translate-inst.h +++ b/target-arc/translate-inst.h @@ -156,3 +156,6 @@ int arc_gen_RND16(DisasCtxt *c, TCGv dest, TCGv src1); int arc_gen_NEGS(DisasCtxt *c, TCGv dest, TCGv src1); int arc_gen_NEGSW(DisasCtxt *c, TCGv dest, TCGv src1); +int arc_gen_ASLS(DisasCtxt *c, TCGv dest, TCGv src1, TCGv src2); +int arc_gen_ASRS(DisasCtxt *ctx, TCGv dest, TCGv src1, TCGv src2); + -- 2.4.9 (Apple Git-60)