1 files changed, 99 insertions, 0 deletions
diff --git a/target/loongarch/tcg/insn_trans/trans_shift.c.inc b/target/loongarch/tcg/insn_trans/trans_shift.c.inc
new file mode 100644
index 0000000000..2f4bd6ff28
--- /dev/null
+++ b/target/loongarch/tcg/insn_trans/trans_shift.c.inc
@@ -0,0 +1,99 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (c) 2021 Loongson Technology Corporation Limited
+ */
+
+static void gen_sll_w(TCGv dest, TCGv src1, TCGv src2)
+{
+    TCGv t0 = tcg_temp_new();
+    tcg_gen_andi_tl(t0, src2, 0x1f);
+    tcg_gen_shl_tl(dest, src1, t0);
+}
+
+static void gen_srl_w(TCGv dest, TCGv src1, TCGv src2)
+{
+    TCGv t0 = tcg_temp_new();
+    tcg_gen_andi_tl(t0, src2, 0x1f);
+    tcg_gen_shr_tl(dest, src1, t0);
+}
+
+static void gen_sra_w(TCGv dest, TCGv src1, TCGv src2)
+{
+    TCGv t0 = tcg_temp_new();
+    tcg_gen_andi_tl(t0, src2, 0x1f);
+    tcg_gen_sar_tl(dest, src1, t0);
+}
+
+static void gen_sll_d(TCGv dest, TCGv src1, TCGv src2)
+{
+    TCGv t0 = tcg_temp_new();
+    tcg_gen_andi_tl(t0, src2, 0x3f);
+    tcg_gen_shl_tl(dest, src1, t0);
+}
+
+static void gen_srl_d(TCGv dest, TCGv src1, TCGv src2)
+{
+    TCGv t0 = tcg_temp_new();
+    tcg_gen_andi_tl(t0, src2, 0x3f);
+    tcg_gen_shr_tl(dest, src1, t0);
+}
+
+static void gen_sra_d(TCGv dest, TCGv src1, TCGv src2)
+{
+    TCGv t0 = tcg_temp_new();
+    tcg_gen_andi_tl(t0, src2, 0x3f);
+    tcg_gen_sar_tl(dest, src1, t0);
+}
+
+static void gen_rotr_w(TCGv dest, TCGv src1, TCGv src2)
+{
+    TCGv_i32 t1 = tcg_temp_new_i32();
+    TCGv_i32 t2 = tcg_temp_new_i32();
+    TCGv t0 = tcg_temp_new();
+
+    tcg_gen_andi_tl(t0, src2, 0x1f);
+
+    tcg_gen_trunc_tl_i32(t1, src1);
+    tcg_gen_trunc_tl_i32(t2, t0);
+
+    tcg_gen_rotr_i32(t1, t1, t2);
+    tcg_gen_ext_i32_tl(dest, t1);
+}
+
+static void gen_rotr_d(TCGv dest, TCGv src1, TCGv src2)
+{
+    TCGv t0 = tcg_temp_new();
+    tcg_gen_andi_tl(t0, src2, 0x3f);
+    tcg_gen_rotr_tl(dest, src1, t0);
+}
+
+static bool trans_srai_w(DisasContext *ctx, arg_srai_w *a)
+{
+    TCGv dest = gpr_dst(ctx, a->rd, EXT_NONE);
+    TCGv src1 = gpr_src(ctx, a->rj, EXT_ZERO);
+
+    if (!avail_64(ctx)) {
+        return false;
+    }
+
+    tcg_gen_sextract_tl(dest, src1, a->imm, 32 - a->imm);
+    gen_set_gpr(a->rd, dest, EXT_NONE);
+
+    return true;
+}
+
+TRANS(sll_w, ALL, gen_rrr, EXT_ZERO, EXT_NONE, EXT_SIGN, gen_sll_w)
+TRANS(srl_w, ALL, gen_rrr, EXT_ZERO, EXT_NONE, EXT_SIGN, gen_srl_w)
+TRANS(sra_w, ALL, gen_rrr, EXT_SIGN, EXT_NONE, EXT_SIGN, gen_sra_w)
+TRANS(sll_d, 64, gen_rrr, EXT_NONE, EXT_NONE, EXT_NONE, gen_sll_d)
+TRANS(srl_d, 64, gen_rrr, EXT_NONE, EXT_NONE, EXT_NONE, gen_srl_d)
+TRANS(sra_d, 64, gen_rrr, EXT_NONE, EXT_NONE, EXT_NONE, gen_sra_d)
+TRANS(rotr_w, 64, gen_rrr, EXT_ZERO, EXT_NONE, EXT_SIGN, gen_rotr_w)
+TRANS(rotr_d, 64, gen_rrr, EXT_NONE, EXT_NONE, EXT_NONE, gen_rotr_d)
+TRANS(slli_w, ALL, gen_rri_c, EXT_NONE, EXT_SIGN, tcg_gen_shli_tl)
+TRANS(slli_d, 64, gen_rri_c, EXT_NONE, EXT_NONE, tcg_gen_shli_tl)
+TRANS(srli_w, ALL, gen_rri_c, EXT_ZERO, EXT_SIGN, tcg_gen_shri_tl)
+TRANS(srli_d, 64, gen_rri_c, EXT_NONE, EXT_NONE, tcg_gen_shri_tl)
+TRANS(srai_d, 64, gen_rri_c, EXT_NONE, EXT_NONE, tcg_gen_sari_tl)
+TRANS(rotri_w, 64, gen_rri_v, EXT_NONE, EXT_NONE, gen_rotr_w)
+TRANS(rotri_d, 64, gen_rri_c, EXT_NONE, EXT_NONE, tcg_gen_rotri_tl)