2 * This file is part of libFirm.
3 * Copyright (C) 2012 University of Karlsruhe.
8 * @brief Register mapping for firm nodes. Stolen from bearch_firm :)
9 * @author Oliver Richter, Tobias Gneist
15 #include "arm_map_regs.h"
16 #include "arm_new_nodes.h"
18 #include "gen_arm_regalloc_if.h"
21 static const arch_register_t *gpreg_param_reg_std[] = {
22 &arm_registers[REG_R0],
23 &arm_registers[REG_R1],
24 &arm_registers[REG_R2],
25 &arm_registers[REG_R3],
28 const arch_register_t *arm_get_RegParam_reg(int n)
30 assert(n < 4 && n >=0 && "register param > 3 angefordert");
31 return gpreg_param_reg_std[n];
34 /* Mapping to store registers in firm nodes */
36 typedef struct arm_irn_reg_assoc {
38 const arch_register_t *reg;
41 int arm_cmp_irn_reg_assoc(const void *a, const void *b, size_t size)
43 const arm_irn_reg_assoc *x = (const arm_irn_reg_assoc*)a;
44 const arm_irn_reg_assoc *y = (const arm_irn_reg_assoc*)b;
47 return x->irn != y->irn;
50 static arm_irn_reg_assoc *get_irn_reg_assoc(const ir_node *irn, set *reg_set)
52 arm_irn_reg_assoc templ;
59 return set_insert(arm_irn_reg_assoc, reg_set, &templ, sizeof(templ), hash);
62 void arm_set_firm_reg(ir_node *irn, const arch_register_t *reg, set *reg_set)
64 arm_irn_reg_assoc *assoc = get_irn_reg_assoc(irn, reg_set);
68 const arch_register_t *arm_get_firm_reg(const ir_node *irn, set *reg_set)
70 const arm_irn_reg_assoc *assoc = get_irn_reg_assoc(irn, reg_set);