RISC-V code generator (assembly-text emitter, not JIT machine-code path) — worth pursuing this direction?

Makefile

@@ -79,7 +79,7 @@ OBJS_COMMON = $(BUILD_DIR)/ir.o $(BUILD_DIR)/ir_strtab.o $(BUILD_DIR)/ir_cfg.o \
 	$(BUILD_DIR)/ir_sccp.o $(BUILD_DIR)/ir_gcm.o $(BUILD_DIR)/ir_ra.o $(BUILD_DIR)/ir_emit.o \
 	$(BUILD_DIR)/ir_load.o $(BUILD_DIR)/ir_save.o $(BUILD_DIR)/ir_emit_c.o $(BUILD_DIR)/ir_dump.o \
 	$(BUILD_DIR)/ir_disasm.o $(BUILD_DIR)/ir_gdb.o $(BUILD_DIR)/ir_perf.o $(BUILD_DIR)/ir_check.o \
-	$(BUILD_DIR)/ir_cpuinfo.o $(BUILD_DIR)/ir_emit_llvm.o $(BUILD_DIR)/ir_mem2ssa.o
+	$(BUILD_DIR)/ir_cpuinfo.o $(BUILD_DIR)/ir_emit_llvm.o $(BUILD_DIR)/ir_mem2ssa.o $(BUILD_DIR)/ir_emit_riscv.o
 OBJS_IR = $(BUILD_DIR)/ir_main.o $(LLVM_OBJS)
 
 all: $(BUILD_DIR) $(BUILD_DIR)/ir $(BUILD_DIR)/tester

ir.h

@@ -993,6 +993,9 @@ int ir_emit_llvm(ir_ctx *ctx, const char *name, FILE *f);
 void ir_emit_llvm_func_decl(const char *name, uint32_t flags, ir_type ret_type, uint32_t params_count, const uint8_t *param_types, FILE *f);
 void ir_emit_llvm_sym_decl(const char *name, uint32_t flags, FILE *f);
 
+/* IR to RISCV conversion (implementation in ir_emit_riscv.c) */
+int ir_emit_riscv(ir_ctx *ctx, const char *name, FILE *f);
+
 /* IR verification API (implementation in ir_check.c) */
 bool ir_check(const ir_ctx *ctx);
 void ir_consistency_check(void);