-const arch_register_t *ia32_get_RegParam_reg(ia32_code_gen_t *cg, unsigned cc,
- size_t nr, ir_mode *mode);
+const arch_register_t *ia32_get_RegParam_reg(unsigned cc, size_t nr,
+ const ir_mode *mode);
+
+static INLINE int is_unknown_reg(const arch_register_t *reg)
+{
+ if(reg == &ia32_gp_regs[REG_GP_UKNWN]
+ || reg == &ia32_xmm_regs[REG_XMM_UKNWN]
+ || reg == &ia32_vfp_regs[REG_VFP_UKNWN])
+ return 1;
+
+ return 0;
+}