On 7/2/24 01:10, ~liuxu wrote:
+static bool gen_load_ld(DisasContext *ctx, arg_lb *a, MemOp memop, int flag)
+{
+ REQUIRE_ZCMLSD(ctx);
+ REQUIRE_32BIT(ctx);
+
+ if (flag&&a->rd==0){
+ return false;
+ }
+
+ TCGv dest_low= dest_gpr(ctx, a->rd);
+ TCGv addr = get_address(ctx, a->rs1, a->imm);
+ tcg_gen_qemu_ld_tl(dest_low, addr, ctx->mem_idx, memop);
+
+ TCGv dest_high= dest_gpr(ctx, a->rd+1);
+ tcg_gen_addi_tl(addr, addr, 32);
+ tcg_gen_qemu_ld_tl(dest_high, addr, ctx->mem_idx, memop);
+
+ gen_set_gpr(ctx, a->rd, dest_low);
+ gen_set_gpr(ctx, a->rd+1, dest_high);
+
+ return true;
+}
You need to impliment this as one 64-bit load and split the data afterward with
tcg_gen_extr_i64_tl(). That will also fix the incorrect increment that Alistair noted.
r~
