X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbearch_t.h;h=0e7590b0d1d3b343fe97341cfe648e9dd85fb3ea;hb=88423364d3b0dc96480ca5d58e3144d87e01a9c8;hp=96939178baf366cd4c376dfaedc515d693ffeb3b;hpb=6d7c55e548ceb52411ba005eec363413f2b5ad51;p=libfirm

diff --git a/ir/be/bearch_t.h b/ir/be/bearch_t.h
index 96939178b..0e7590b0d 100644
--- a/ir/be/bearch_t.h
+++ b/ir/be/bearch_t.h
@@ -1,5 +1,5 @@
 /*
- * 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.
  *
@@ -33,6 +33,7 @@
 #include "bemachine.h"
 #include "beirg.h"
 #include "beabi.h"
+#include "raw_bitset.h"
 
 /**
  * A register.
@@ -40,7 +41,7 @@
 struct arch_register_t {
 	const char                  *name;        /**< The name of the register. */
 	const arch_register_class_t *reg_class;   /**< The class the register belongs to. */
-	int                         index;        /**< The index of the register in the class. */
+	unsigned                    index;        /**< The index of the register in the class. */
 	arch_register_type_t        type;         /**< The type of the register. */
 	void                        *data;        /**< Custom data. */
 };
@@ -52,7 +53,7 @@ _arch_register_get_class(const arch_register_t *reg)
 }
 
 static INLINE
-int _arch_register_get_index(const arch_register_t *reg)
+unsigned _arch_register_get_index(const arch_register_t *reg)
 {
 	return reg->index;
 }
@@ -81,11 +82,13 @@ const char *_arch_register_get_name(const arch_register_t *reg)
  * Like general purpose or floating point.
  */
 struct arch_register_class_t {
+	unsigned                     index;  /**< index of this register class */
 	const char                  *name;   /**< The name of the register class.*/
-	int                          n_regs; /**< Number of registers in this
+	unsigned                     n_regs; /**< Number of registers in this
 	                                          class. */
 	ir_mode                     *mode;   /**< The mode of the register class.*/
 	const arch_register_t       *regs;   /**< The array of registers. */
+	arch_register_class_flags_t  flags;  /**< register class flags. */
 };
 
 /** return the number of registers in this register class */
@@ -97,10 +100,16 @@ struct arch_register_class_t {
 /** return the name of this register class */
 #define arch_register_class_name(cls) ((cls)->name)
 
+/** return the index of this register class */
+#define arch_register_class_index(cls)  ((cls)->index)
+
+/** return the register class flags */
+#define arch_register_class_flags(cls) ((cls)->flags)
+
 static INLINE const arch_register_t *
-_arch_register_for_index(const arch_register_class_t *cls, int idx)
+_arch_register_for_index(const arch_register_class_t *cls, unsigned idx)
 {
-	assert(0 <= idx && idx < cls->n_regs);
+	assert(idx < cls->n_regs);
 	return &cls->regs[idx];
 }
 
@@ -124,17 +133,38 @@ struct arch_register_req_t {
 
 	const unsigned *limited;            /**< allowed register bitset */
 
-	int other_same;                     /**< The in number which shall have
-										     the same res (should_be_same)*/
-	int other_different;                /**< The other node from which this
-										     one's register must be different
-											 (case must_be_different). */
+	unsigned other_same;                /**< Bitmask of ins which should use the
+	                                         same register (should_be_same). */
+	unsigned other_different;           /**< Bitmask of ins which shall use a
+	                                         different register
+	                                         (must_be_different) */
 };
 
-struct arch_flag_t {
-	const char *name;
-	unsigned    index;
-};
+static INLINE int reg_reqs_equal(const arch_register_req_t *req1,
+                                 const arch_register_req_t *req2)
+{
+	if (req1 == req2)
+		return 1;
+
+	if (req1->type != req2->type
+			|| req1->cls != req2->cls
+			|| req1->other_same != req2->other_same
+			|| req1->other_different != req2->other_different)
+		return 0;
+
+	if (req1->limited != NULL) {
+		size_t n_regs;
+
+		if (req2->limited == NULL)
+			return 0;
+
+		n_regs = arch_register_class_n_regs(req1->cls);
+		if (!rbitset_equal(req1->limited, req2->limited, n_regs))
+			return 0;
+	}
+
+	return 1;
+}
 
 /**
  * An inverse operation returned by the backend
@@ -314,6 +344,11 @@ struct arch_code_generator_if_t {
 	 */
 	void *(*init)(be_irg_t *birg);
 
+	/**
+	 * return node used as base in pic code addresses
+	 */
+	ir_node* (*get_pic_base)(void *self);
+
 	/**
 	 * Called before abi introduce.
 	 */
@@ -384,6 +419,8 @@ do { \
 #define arch_code_generator_done(cg)            _arch_cg_call(cg, done)
 #define arch_code_generator_spill(cg, birg)     _arch_cg_call_env(cg, birg, spill)
 #define arch_code_generator_has_spiller(cg)     ((cg)->impl->spill != NULL)
+#define arch_code_generator_get_pic_base(cg)    \
+	((cg)->impl->get_pic_base != NULL ? (cg)->impl->get_pic_base(cg) : NULL)
 
 /**
  * Code generator base class.
@@ -399,10 +436,11 @@ struct arch_isa_t {
 	const arch_isa_if_t   *impl;
 	const arch_register_t *sp;        /** The stack pointer register. */
 	const arch_register_t *bp;        /** The base pointer register. */
-	const int              stack_dir; /** -1 for decreasing, 1 for increasing. */
+	int                    stack_dir; /** -1 for decreasing, 1 for increasing. */
+	int                    stack_alignment; /** stack alignment */
 	const be_main_env_t   *main_env;  /** the be main environment */
-	const int              spill_cost;  /** cost for a be_Spill node */
-	const int              reload_cost; /** cost for a be_Reload node */
+	int                    spill_cost;  /** cost for a be_Spill node */
+	int                    reload_cost; /** cost for a be_Reload node */
 };
 
 #define arch_isa_stack_dir(isa)  ((isa)->stack_dir)
@@ -430,14 +468,14 @@ struct arch_isa_if_t {
 	 * Get the the number of register classes in the isa.
 	 * @return The number of register classes.
 	 */
-	int (*get_n_reg_class)(const void *self);
+	unsigned (*get_n_reg_class)(const void *self);
 
 	/**
 	 * Get the i-th register class.
 	 * @param i The number of the register class.
 	 * @return The register class.
 	 */
-	const arch_register_class_t *(*get_reg_class)(const void *self, int i);
+	const arch_register_class_t *(*get_reg_class)(const void *self, unsigned i);
 
 	/**
 	 * Get the register class which shall be used to store a value of a given mode.
@@ -450,10 +488,10 @@ struct arch_isa_if_t {
 	/**
 	 * Get the ABI restrictions for procedure calls.
 	 * @param self        The this pointer.
-	 * @param method_type The type of the method (procedure) in question.
+	 * @param call_type   The call type of the method (procedure) in question.
 	 * @param p           The array of parameter locations to be filled.
 	 */
-	void (*get_call_abi)(const void *self, ir_type *method_type, be_abi_call_t *abi);
+	void (*get_call_abi)(const void *self, ir_type *call_type, be_abi_call_t *abi);
 
 	/**
 	 * The irn handler for this architecture.