Signed-off-by: Alistair Francis
Signed-off-by: Michael Clark
---
tcg/riscv/tcg-target.inc.c | 472 +
1 file changed, 472 insertions(+)
diff --git a/tcg/riscv/tcg-target.inc.c b/tcg/riscv/tcg-target.inc.c
index c4a013a962..bf3b04f7dc 100644
--- a/tcg/riscv/tcg-target.inc.c
+++ b/tcg/riscv/tcg-target.inc.c
@@ -1103,6 +1103,478 @@ static void tcg_out_qemu_st(TCGContext *s, const TCGArg
*args, bool is_64)
#endif
}
+static tcg_insn_unit *tb_ret_addr;
+
+static void tcg_out_op(TCGContext *s, TCGOpcode opc,
+ const TCGArg *args, const int *const_args)
+{
+TCGArg a0 = args[0];
+TCGArg a1 = args[1];
+TCGArg a2 = args[2];
+int c2 = const_args[2];
+const bool is32bit = TCG_TARGET_REG_BITS == 32;
+
+switch (opc) {
+case INDEX_op_exit_tb:
+/* Reuse the zeroing that exists for goto_ptr. */
+if (a0 == 0) {
+tcg_out_goto_long(s, s->code_gen_epilogue);
+} else {
+tcg_out_movi(s, TCG_TYPE_PTR, TCG_REG_A0, a0);
+tcg_out_goto_long(s, tb_ret_addr);
+}
+break;
+
+case INDEX_op_goto_tb:
+if (s->tb_jmp_insn_offset) {
+/* direct jump method */
+s->tb_jmp_insn_offset[a0] = tcg_current_code_size(s);
+/* should align on 64-bit boundary for atomic patching */
+tcg_out_opc_upper(s, OPC_AUIPC, TCG_REG_TMP0, 0);
+tcg_out_opc_imm(s, OPC_JALR, TCG_REG_ZERO, TCG_REG_TMP0, 0);
+} else {
+/* indirect jump method */
+tcg_out_ld(s, TCG_TYPE_PTR, TCG_REG_TMP0, TCG_REG_ZERO,
+ (uintptr_t)(s->tb_jmp_target_addr + a0));
+tcg_out_opc_imm(s, OPC_JALR, TCG_REG_ZERO, TCG_REG_TMP0, 0);
+}
+s->tb_jmp_reset_offset[a0] = tcg_current_code_size(s);
+break;
+
+case INDEX_op_goto_ptr:
+tcg_out_opc_imm(s, OPC_JALR, TCG_REG_ZERO, a0, 0);
+break;
+
+case INDEX_op_br:
+tcg_out_reloc(s, s->code_ptr, R_RISCV_JAL, arg_label(a0), 0);
+tcg_out_opc_jump(s, OPC_JAL, TCG_REG_ZERO, 0);
+break;
+
+case INDEX_op_ld8u_i32:
+case INDEX_op_ld8u_i64:
+tcg_out_ldst(s, OPC_LBU, a0, a1, a2);
+break;
+case INDEX_op_ld8s_i32:
+case INDEX_op_ld8s_i64:
+tcg_out_ldst(s, OPC_LB, a0, a1, a2);
+break;
+case INDEX_op_ld16u_i32:
+case INDEX_op_ld16u_i64:
+tcg_out_ldst(s, OPC_LHU, a0, a1, a2);
+break;
+case INDEX_op_ld16s_i32:
+case INDEX_op_ld16s_i64:
+tcg_out_ldst(s, OPC_LH, a0, a1, a2);
+break;
+case INDEX_op_ld32u_i64:
+tcg_out_ldst(s, OPC_LWU, a0, a1, a2);
+break;
+case INDEX_op_ld_i32:
+case INDEX_op_ld32s_i64:
+tcg_out_ldst(s, OPC_LW, a0, a1, a2);
+break;
+case INDEX_op_ld_i64:
+tcg_out_ldst(s, OPC_LD, a0, a1, a2);
+break;
+
+case INDEX_op_st8_i32:
+case INDEX_op_st8_i64:
+tcg_out_ldst(s, OPC_SB, a0, a1, a2);
+break;
+case INDEX_op_st16_i32:
+case INDEX_op_st16_i64:
+tcg_out_ldst(s, OPC_SH, a0, a1, a2);
+break;
+case INDEX_op_st_i32:
+case INDEX_op_st32_i64:
+tcg_out_ldst(s, OPC_SW, a0, a1, a2);
+break;
+case INDEX_op_st_i64:
+tcg_out_ldst(s, OPC_SD, a0, a1, a2);
+break;
+
+case INDEX_op_add_i32:
+if (c2) {
+tcg_out_opc_imm(s, is32bit ? OPC_ADDI : OPC_ADDIW, a0, a1, a2);
+} else {
+tcg_out_opc_reg(s, is32bit ? OPC_ADD : OPC_ADDW, a0, a1, a2);
+}
+break;
+case INDEX_op_add_i64:
+if (c2) {
+tcg_out_opc_imm(s, OPC_ADDI, a0, a1, a2);
+} else {
+tcg_out_opc_reg(s, OPC_ADD, a0, a1, a2);
+}
+break;
+
+case INDEX_op_sub_i32:
+if (c2) {
+tcg_out_opc_imm(s, is32bit ? OPC_ADDI : OPC_ADDIW, a0, a1, -a2);
+} else {
+tcg_out_opc_reg(s, is32bit ? OPC_SUB : OPC_SUBW, a0, a1, a2);
+}
+break;
+case INDEX_op_sub_i64:
+if (c2) {
+tcg_out_opc_imm(s, OPC_ADDI, a0, a1, -a2);
+} else {
+tcg_out_opc_reg(s, OPC_SUB, a0, a1, a2);
+}
+break;
+
+case INDEX_op_and_i32:
+case INDEX_op_and_i64:
+if (c2) {
+tcg_out_opc_imm(s, OPC_ANDI, a0, a1, a2);
+} else {
+tcg_out_opc_reg(s, OPC_AND, a0, a1, a2);
+}
+break;
+
+case INDEX_op_or_i32:
+case INDEX_op_or_i64:
+if (c2) {
+tcg_out_opc_imm(s, OPC_ORI, a0, a1, a2);
+} else {
+tcg_out_opc_reg(s, OPC_OR, a0, a1, a2);
+}
+break;
+
+case INDEX_op_xor_i32:
+case INDEX_op_xor_i64:
+if (c2) {
+tcg_out_opc_imm(s, OPC_XORI, a0, a1, a2);
+} else {
+tcg_out_opc_reg(s, OPC_XOR, a0, a1, a2);
+}
+break;
+
+case INDEX_op_not_i32:
+
