- Split bearch.h correctly into bearch.h and bearch_t.h

[libfirm] / ir / be / ia32 / ia32_map_regs.h

diff --git a/ir/be/ia32/ia32_map_regs.h b/ir/be/ia32/ia32_map_regs.h
index e32de6c..ac10219 100644 (file)
--- a/ir/be/ia32/ia32_map_regs.h
+++ b/ir/be/ia32/ia32_map_regs.h
@@ -1,24 +1,79 @@
+/**
+ * General reqister mapping stuff.
+ * @author Christian Wuerdig
+ * $Id$
+ */
+
 #ifndef _IA32_MAP_REGS_H_
 #define _IA32_MAP_REGS_H_
 
 #include "irnode.h"
 #include "set.h"
 
-#include "../bearch.h"
+#include "../bearch_t.h"
 #include "ia32_nodes_attr.h"
 
+/**
+ * Convenience macro to check if register <code>out<\code>
+ * and register <code>in<\code> are equal.
+ */
+#define REGS_ARE_EQUAL(out, in) \
+       ((arch_register_get_class(out) == arch_register_get_class(in)) && \
+       (arch_register_get_index(out) == arch_register_get_index(in)))
+
+/**
+ * Set compare function
+ */
 int  ia32_cmp_irn_reg_assoc(const void *a, const void *b, size_t len);
+
+/**
+ * Assigns a register to a firm node.
+ */
 void ia32_set_firm_reg(ir_node *irn, const arch_register_t *reg, set *reg_set);
+
+/**
+ * Gets the register assigned to a firm node.
+ */
 const arch_register_t *ia32_get_firm_reg(const ir_node *irn, set *reg_set);
 
-int  ia32_cmp_reg_projnum_assoc(const void *a, const void *b, size_t len);
-void ia32_set_reg_projnum(const arch_register_t *reg, long proj_num, set *reg_set);
-long ia32_get_reg_projnum(const arch_register_t *reg, set *reg_set);
+/**
+ * Enters for each general purpose register the corresponding 16bit
+ * name into a pmap.
+ */
+void ia32_build_16bit_reg_map(pmap *reg_map);
+
+/**
+ * Enters for each general purpose register the corresponding 8bit
+ * name into a pmap.
+ */
+void ia32_build_8bit_reg_map(pmap *reg_map);
 
-int ia32_get_n_regparam_class(int n, ir_node **params, int *n_int, int *n_float);
+/**
+ * Returns the corresponding mapped name for a register.
+ */
+const char *ia32_get_mapped_reg_name(pmap *reg_map, const arch_register_t *reg);
 
-const ia32_register_req_t *ia32_get_RegParam_req(int n, ir_node **params, long nr, unsigned cc);
+/**
+ * Check all parameters and determine the maximum number of parameters
+ * to pass in gp regs resp. in fp regs.
+ *
+ * @param n       The number of parameters
+ * @param modes   The list of the parameter modes
+ * @param n_int   Holds the number of int parameters to be passed in regs after the call
+ * @param n_float Holds the number of float parameters to be passed in regs after the call
+ * @return        The number of the last parameter to be passed in register
+ */
+int ia32_get_n_regparam_class(int n, ir_mode **modes, int *n_int, int *n_float);
 
-long ia32_translate_proj_pos(const ir_node *proj);
+/**
+ * Returns the register for parameter nr.
+ *
+ * @param n     The number of parameters
+ * @param modes The list of the parameter modes
+ * @param nr    The number of the parameter to return the requirements for
+ * @param cc    The calling convention
+ * @return      The register
+ */
+const arch_register_t *ia32_get_RegParam_reg(int n, ir_mode **modes, long nr, unsigned cc);
 
 #endif /* _IA32_MAP_REGS_H_ */