/*
- * Copyright (C) 1995-2007 University of Karlsruhe. All right reserved.
+ * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
*
* This file is part of libFirm.
*
* @file
* @brief Register mapping for firm nodes. Stolen from bearch_firm :)
* @author Oliver Richter, Tobias Gneist
- * @version $Id$
*/
-#ifdef HAVE_CONFIG_H
#include "config.h"
-#endif
#include <stdlib.h>
static const arch_register_t *gpreg_param_reg_std[] = {
- &arm_gp_regs[REG_R0],
- &arm_gp_regs[REG_R1],
- &arm_gp_regs[REG_R2],
- &arm_gp_regs[REG_R3],
+ &arm_registers[REG_R0],
+ &arm_registers[REG_R1],
+ &arm_registers[REG_R2],
+ &arm_registers[REG_R3],
};
-const arch_register_t *arm_get_RegParam_reg(int n) {
+const arch_register_t *arm_get_RegParam_reg(int n)
+{
assert(n < 4 && n >=0 && "register param > 3 angefordert");
return gpreg_param_reg_std[n];
}
/* Mapping to store registers in firm nodes */
-struct arm_irn_reg_assoc {
+typedef struct arm_irn_reg_assoc {
const ir_node *irn;
const arch_register_t *reg;
-};
+} arm_irn_reg_assoc;
-int arm_cmp_irn_reg_assoc(const void *a, const void *b, size_t len) {
- const struct arm_irn_reg_assoc *x = a;
- const struct arm_irn_reg_assoc *y = b;
+int arm_cmp_irn_reg_assoc(const void *a, const void *b, size_t size)
+{
+ const arm_irn_reg_assoc *x = (const arm_irn_reg_assoc*)a;
+ const arm_irn_reg_assoc *y = (const arm_irn_reg_assoc*)b;
+ (void) size;
return x->irn != y->irn;
}
-static struct arm_irn_reg_assoc *get_irn_reg_assoc(const ir_node *irn, set *reg_set) {
- struct arm_irn_reg_assoc templ;
+static arm_irn_reg_assoc *get_irn_reg_assoc(const ir_node *irn, set *reg_set)
+{
+ arm_irn_reg_assoc templ;
unsigned int hash;
templ.irn = irn;
templ.reg = NULL;
- hash = HASH_PTR(irn);
+ hash = hash_ptr(irn);
- return set_insert(reg_set, &templ, sizeof(templ), hash);
+ return set_insert(arm_irn_reg_assoc, reg_set, &templ, sizeof(templ), hash);
}
-void arm_set_firm_reg(ir_node *irn, const arch_register_t *reg, set *reg_set) {
- struct arm_irn_reg_assoc *assoc = get_irn_reg_assoc(irn, reg_set);
+void arm_set_firm_reg(ir_node *irn, const arch_register_t *reg, set *reg_set)
+{
+ arm_irn_reg_assoc *assoc = get_irn_reg_assoc(irn, reg_set);
assoc->reg = reg;
}
-const arch_register_t *arm_get_firm_reg(const ir_node *irn, set *reg_set) {
- struct arm_irn_reg_assoc *assoc = get_irn_reg_assoc(irn, reg_set);
+const arch_register_t *arm_get_firm_reg(const ir_node *irn, set *reg_set)
+{
+ const arm_irn_reg_assoc *assoc = get_irn_reg_assoc(irn, reg_set);
return assoc->reg;
}
-
-
-
-/**
- * Translates the proj number into a "real" argument position for register
- * requirements depended on the predecessor.
- */
-long arm_translate_proj_pos(const ir_node *proj) {
- ir_node *pred = get_Proj_pred(proj);
- long nr = get_Proj_proj(proj);
-
- if (is_irn_machine_op(pred)) {
- switch (get_arm_irn_opcode(pred)) {
-
- case iro_arm_Loadb:
- case iro_arm_Loadbs:
- case iro_arm_Loadh:
- case iro_arm_Loadhs:
- case iro_arm_Load:
- case iro_arm_fpaLdf:
- if (nr == pn_Load_res)
- return 0;
- assert(0 && "unsupported Proj(Load) number");
- break;
- case iro_arm_Storeb:
- case iro_arm_Storebs:
- case iro_arm_Storeh:
- case iro_arm_Storehs:
- case iro_arm_Store:
- case iro_arm_fpaStf:
- return 0;
- case iro_arm_fpaDiv:
- case iro_arm_fpaRdv:
- if (nr == pn_Quot_res)
- return 0;
- assert(0 && "there should be no more Projs for a fDiv");
- break;
- default:
- break;
- }
- }
-
-// assert(0 && "unsupported Proj(X)");
- return nr;
-}