Adding the 128-bit version of lui and auipc.
Signed-off-by: Frédéric Pétrot <frederic.petrot@univ-grenoble-alpes.fr>
Co-authored-by: Fabien Portas <fabien.portas@grenoble-inp.org>
---
target/riscv/insn_trans/trans_rvi.c.inc | 19 +++++++++++++++++--
1 file changed, 17 insertions(+), 2 deletions(-)
diff --git a/target/riscv/insn_trans/trans_rvi.c.inc
b/target/riscv/insn_trans/trans_rvi.c.inc
index 92f41f3a86..b5e292a2aa 100644
--- a/target/riscv/insn_trans/trans_rvi.c.inc
+++ b/target/riscv/insn_trans/trans_rvi.c.inc
@@ -26,14 +26,17 @@ 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);
+ if (get_xl_max(ctx) == MXL_RV128) {
+ tcg_gen_movi_tl(cpu_gprh[a->rd], -(a->imm < 0));
+ }
}
return true;
}
@@ -41,7 +44,19 @@ static bool trans_lui(DisasContext *ctx, arg_lui *a)
static bool trans_auipc(DisasContext *ctx, arg_auipc *a)
{
if (a->rd != 0) {
+ if (get_xl_max(ctx) == MXL_RV128) {
+ /* TODO : when pc is 128 bits, use all its bits */
+ TCGv pc = tcg_constant_tl(ctx->base.pc_next),
+ imml = tcg_constant_tl(a->imm),
+ immh = tcg_constant_tl(-(a->imm < 0)),
+ zero = tcg_constant_tl(0);
+ tcg_gen_add2_tl(cpu_gpr[a->rd], cpu_gprh[a->rd],
+ pc, zero,
+ imml, immh);