@@ -282,6 +282,28 @@ static void gen_set_gpr(DisasContext *ctx, int reg_num, TCGv t)
}
}
+static void gen_set_gpri(DisasContext *ctx, int reg_num, target_long imm)
+{
+ if (reg_num != 0) {
+ switch (get_ol(ctx)) {
+ case MXL_RV32:
+ tcg_gen_movi_tl(cpu_gpr[reg_num], imm);
+ tcg_gen_ext32s_tl(cpu_gpr[reg_num], cpu_gpr[reg_num]);
+ break;
+ case MXL_RV64:
+ case MXL_RV128:
+ tcg_gen_movi_tl(cpu_gpr[reg_num], imm);
+ break;
+ default:
+ g_assert_not_reached();
+ }
+
+ if (get_xl_max(ctx) == MXL_RV128) {
+ tcg_gen_movi_tl(cpu_gprh[reg_num], -(imm < 0));
+ }
+ }
+}
+
static void gen_set_gpr128(DisasContext *ctx, int reg_num, TCGv rl, TCGv rh)
{
if (get_ol(ctx) != MXL_RV128) {
@@ -26,14 +26,14 @@ static bool trans_illegal(DisasContext *ctx, arg_empty *a)
static bool trans_c64_illegal(DisasContext *ctx, arg_empty *a)
{
- REQUIRE_64BIT(ctx);
- return trans_illegal(ctx, a);
+ REQUIRE_64_OR_128BIT(ctx);
+ return trans_illegal(ctx, a);
}
static bool trans_lui(DisasContext *ctx, arg_lui *a)
{
if (a->rd != 0) {
- tcg_gen_movi_tl(cpu_gpr[a->rd], a->imm);
+ gen_set_gpri(ctx, a->rd, a->imm);
}
return true;
}
@@ -41,7 +41,7 @@ static bool trans_lui(DisasContext *ctx, arg_lui *a)
static bool trans_auipc(DisasContext *ctx, arg_auipc *a)
{
if (a->rd != 0) {
- tcg_gen_movi_tl(cpu_gpr[a->rd], a->imm + ctx->base.pc_next);
+ gen_set_gpri(ctx, a->rd, a->imm + ctx->base.pc_next);
}
return true;
}
Adding the 128-bit version of lui and auipc, and introducing to that end a set register with immediat function to handle extension on 128 bits. Signed-off-by: Frédéric Pétrot <frederic.petrot@univ-grenoble-alpes.fr> Co-authored-by: Fabien Portas <fabien.portas@grenoble-inp.org> --- target/riscv/translate.c | 22 ++++++++++++++++++++++ target/riscv/insn_trans/trans_rvi.c.inc | 8 ++++---- 2 files changed, 26 insertions(+), 4 deletions(-)