-/**
- * Type definitions for ia32 node attributes.
- * @author Christian Wuerdig
- * $Id$
+/*
+ * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
+ *
+ * This file is part of libFirm.
+ *
+ * This file may be distributed and/or modified under the terms of the
+ * GNU General Public License version 2 as published by the Free Software
+ * Foundation and appearing in the file LICENSE.GPL included in the
+ * packaging of this file.
+ *
+ * Licensees holding valid libFirm Professional Edition licenses may use
+ * this file in accordance with the libFirm Commercial License.
+ * Agreement provided with the Software.
+ *
+ * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+ * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE.
*/
-#ifndef _IA32_NODES_ATTR_H_
-#define _IA32_NODES_ATTR_H_
+/**
+ * @file
+ * @brief Type definitions for ia32 node attributes.
+ * @author Christian Wuerdig
+ * @version $Id$
+ */
+#ifndef FIRM_BE_IA32_IA32_NODES_ATTR_H
+#define FIRM_BE_IA32_IA32_NODES_ATTR_H
#include "firm_config.h"
-#include <obstack.h>
-
#include "firm_types.h"
-#include "../bearch.h"
+#include "../bearch_t.h"
+#include "../bemachine.h"
+#include "irnode_t.h"
-typedef enum { flavour_Div = 1, flavour_Mod, flavour_DivMod } ia32_op_flavour_t;
-typedef enum { pn_EAX, pn_EDX } pn_ia32_Register;
+enum {
+ ia32_pn_Cmp_unsigned = 0x1000,
+ ia32_pn_Cmp_float = 0x2000,
+};
typedef enum {
ia32_Normal,
- ia32_Const,
- ia32_SymConst,
ia32_AddrModeD,
ia32_AddrModeS
} ia32_op_type_t;
-typedef enum {
- ia32_ImmNone,
- ia32_ImmConst,
- ia32_ImmSymConst
-} ia32_immop_type_t;
-
typedef enum {
- ia32_am_None = 0, /**<< no addrmode support */
- ia32_am_Dest = 1, /**<< addrmode for destination only */
- ia32_am_Source = 2, /**<< addrmode for source only */
- ia32_am_Full = 3 /**<< full addmode support */
+ ia32_am_None = 0, /**< no addrmode support */
+ ia32_am_Source = 2 /**< addrmode for source only */
} ia32_am_type_t;
-/**
- * Different AM types:
- * O - Offset is set
- * B - Base is set
- * I - Index is set
- * S - Scale is set
- */
+typedef enum {
+ ia32_am_arity_none = 0,
+ ia32_am_unary = 1,
+ ia32_am_binary = 2,
+ ia32_am_ternary = 3,
+} ia32_am_arity_t;
-enum {
- ia32_O = (1 << 0),
- ia32_B = (1 << 1),
- ia32_I = (1 << 2),
- ia32_S = (1 << 3)
+typedef enum {
+ match_commutative = 1 << 0, /**< inputs are commutative */
+ match_am_and_immediates = 1 << 1, /**< mode support AM and immediate at
+ the same time */
+ match_am = 1 << 2, /**< node supports (32bit) source AM */
+ match_8bit_am = 1 << 3, /**< node supports 8bit source AM */
+ match_16bit_am = 1 << 4, /**< node supports 16bit source AM */
+ match_immediate = 1 << 5, /**< node supports immediates */
+ match_8bit = 1 << 6, /**< supports 8 bit modes natively */
+ match_16bit = 1 << 7, /**< supports 16bit modes natively */
+ match_mode_neutral = 1 << 8, /**< 16 and 8 bit modes can be emulated
+ by 32 bit operations */
+ match_dest_am = 1 << 9,
+ match_try_am = 1 << 10, /**< only try to produce AM node, don't
+ do anything if AM isn't possible */
+} match_flags_t;
+
+typedef struct ia32_op_attr_t ia32_op_attr_t;
+struct ia32_op_attr_t {
+ match_flags_t flags;
+ unsigned latency;
};
+#ifndef NDEBUG
typedef enum {
- ia32_am_N = 0,
- ia32_am_O = ia32_O,
- ia32_am_B = ia32_B,
- ia32_am_I = ia32_I,
- ia32_am_IS = ia32_I | ia32_S,
- ia32_am_BI = ia32_B | ia32_I,
- ia32_am_OB = ia32_O | ia32_B,
- ia32_am_OI = ia32_O | ia32_I,
- ia32_am_OIS = ia32_O | ia32_I | ia32_S,
- ia32_am_OBIS = ia32_O | ia32_B | ia32_I | ia32_S
-} ia32_am_flavour_t;
+ IA32_ATTR_INVALID = 0,
+ IA32_ATTR_ia32_attr_t = 1 << 0,
+ IA32_ATTR_ia32_x87_attr_t = 1 << 1,
+ IA32_ATTR_ia32_asm_attr_t = 1 << 2,
+ IA32_ATTR_ia32_immediate_attr_t = 1 << 3,
+ IA32_ATTR_ia32_condcode_attr_t = 1 << 4,
+ IA32_ATTR_ia32_copyb_attr_t = 1 << 5
+} ia32_attr_type_t;
+#endif
-typedef struct _ia32_register_req_t {
- const arch_register_req_t req;
- int same_pos; /**< in case of "should be same" we need to remember the pos to get the irn */
- int different_pos; /**< in case of "should be different" we need to remember the pos to get the irn */
-} ia32_register_req_t;
-
-typedef struct _ia32_attr_t {
- struct {
- unsigned tp:3; /**< ia32 node type */
- unsigned imm_tp:2; /**< ia32 immop type */
+/**
+ * The generic ia32 attributes. Every node has them.
+ */
+typedef struct ia32_attr_t ia32_attr_t;
+struct ia32_attr_t {
+ except_attr exc; /**< the exception attribute. MUST be the first one. */
+ struct ia32_attr_data_bitfield {
+ unsigned flags:5; /**< Indicating if spillable, rematerializeable, stack modifying and/or ignore. */
+ unsigned tp:3; /**< ia32 node type. */
+ unsigned am_support:2; /**< Indicates the address mode type supported by this node. */
+ unsigned am_arity : 2;
+ unsigned am_scale:2; /**< The address mode scale for index register. */
+ unsigned am_sc_sign:1; /**< The sign bit of the address mode symconst. */
+
+ unsigned use_frame:1; /**< Indicates whether the operation uses the frame pointer or not. */
+ unsigned except_label:1; /**< Set if this node needs a label because of possible exception. */
+
+ unsigned is_commutative:1; /**< Indicates whether op is commutative or not. */
+
+ unsigned need_stackent:1; /**< Set to 1 if node need space on stack. */
+ unsigned need_64bit_stackent:1; /**< needs a 64bit stack entity (see double->unsigned int conv) */
+ unsigned need_32bit_stackent:1; /**< needs a 32bit stack entity */
+ unsigned ins_permuted : 1; /**< inputs of node have been permuted
+ (for commutative nodes) */
+ unsigned cmp_unsigned : 1; /**< compare should be unsigned */
+ } data;
- unsigned am_support:2; /**< indicates addrmode type supported by this node */
- unsigned am_flavour:4; /**< the concrete addrmode characteristics */
- unsigned am_scale:2; /**< addrmode scale for index register */
+ int *out_flags; /**< flags for each produced value */
- unsigned offs_sign:1; /**< sign bit of the first offset */
- unsigned am_sc_sign:1; /**< sign bit of the address mode symconst */
+ int am_offs; /**< offsets for AddrMode */
+ ir_entity *am_sc; /**< SymConst for AddrMode */
- unsigned use_frame:1; /**< indicates whether the operation uses the frame pointer or not */
+ ir_mode *ls_mode; /**< Load/Store mode: This is the mode of the
+ value that is manipulated by this node. */
- unsigned op_flav:2; /**< flavour of an op (flavour_Div/Mod/DivMod) */
+ ir_entity *frame_ent; /**< the frame entity attached to this node */
- unsigned flags:4; /**< indicating if spillable and/or rematerializeable */
+ const be_execution_unit_t ***exec_units; /**< list of units this operation can be executed on */
- unsigned is_commutative:1; /**< indicates whether op is commutative or not */
+ const arch_register_req_t **in_req; /**< register requirements for arguments */
+ const arch_register_req_t **out_req; /**< register requirements for results */
- unsigned emit_cl:1; /**< indicates whether we must emit cl instead of ecx (needed for shifts) */
+ const arch_register_t **slots; /**< register slots for assigned registers */
- unsigned got_lea:1; /**< indicates whether or not this node already consumed a LEA */
+#ifndef NDEBUG
+ const char *orig_node; /**< holds the name of the original ir node */
+ unsigned attr_type; /**< bitfield indicating the attribute type */
+#endif
+};
+COMPILETIME_ASSERT(sizeof(struct ia32_attr_data_bitfield) <= 4, attr_bitfield);
- unsigned n_res:7; /**< number of results produced by this node */
- } data;
+/**
+ * The attributes for nodes with condition code.
+ */
+typedef struct ia32_condcode_attr_t ia32_condcode_attr_t;
+struct ia32_condcode_attr_t {
+ ia32_attr_t attr; /**< generic attribute */
+ long pn_code; /**< projnum "types" (e.g. indicate compare operators */
+};
- struct obstack *am_offs; /**< offsets for AddrMode */
- ident *am_sc; /**< SymConst for AddrMode */
+/**
+ * The attributes for CopyB code.
+ */
+typedef struct ia32_copyb_attr_t ia32_copyb_attr_t;
+struct ia32_copyb_attr_t {
+ ia32_attr_t attr; /**< generic attribute */
+ unsigned size; /**< size of copied block */
+};
- union {
- tarval *tv; /**< tarval for immediate operations */
- ident *sc; /**< the symconst ident */
- } cnst_val;
+/**
+ * The attributes for immediates.
+ */
+typedef struct ia32_immediate_attr_t ia32_immediate_attr_t;
+struct ia32_immediate_attr_t {
+ ia32_attr_t attr; /**< generic attribute */
+ ir_entity *symconst; /**< An entity if any. */
+ long offset; /**< An offset if any. */
+ unsigned sc_sign:1; /**< The sign bit of the symconst. */
+};
- ident *cnst; /**< points to the string representation of the constant value (either tv or sc) */
+/**
+ * The attributes for x87 nodes.
+ */
+typedef struct ia32_x87_attr_t ia32_x87_attr_t;
+struct ia32_x87_attr_t {
+ ia32_attr_t attr; /**< the generic attribute */
+ const arch_register_t *x87[3]; /**< register slots for x87 register */
+};
- ir_mode *ls_mode; /**< the mode of the stored/loaded value */
- ir_mode *res_mode; /**< the mode of the result */
- ir_mode *src_mode; /**< source mode for conversion */
- ir_mode *tgt_mode; /**< target mode for conversion */
+typedef struct ia32_asm_reg_t ia32_asm_reg_t;
+struct ia32_asm_reg_t {
+ unsigned use_input : 1; /* use input or output pos */
+ unsigned valid : 1;
+ unsigned memory : 1;
+ unsigned dummy_fill : 13;
+ unsigned inout_pos : 16; /* in/out pos where the
+ register is assigned */
+ const ir_mode *mode;
+};
- entity *frame_ent; /**< the frame entity attached to this node */
+/**
+ * The attributes for ASM nodes.
+ */
+typedef struct ia32_asm_attr_t ia32_asm_attr_t;
+struct ia32_asm_attr_t {
+ ia32_x87_attr_t x87_attr;
+ ident *asm_text;
+ const ia32_asm_reg_t *register_map;
+};
- long pn_code; /**< projnum "types" (e.g. indicate compare operators and argument numbers) */
+/* the following union is necessary to indicate to the compiler that we might want to cast
+ * the structs (we use them to simulate OO-inheritance) */
+union allow_casts_attr_t_ {
+ ia32_attr_t attr;
+ ia32_condcode_attr_t cc_attr;
+ ia32_copyb_attr_t cpy_attr;
+ ia32_x87_attr_t x87_attr;
+ ia32_asm_attr_t asm_attr;
+ ia32_immediate_attr_t immediate_attr;
+};
#ifndef NDEBUG
- const char *orig_node; /**< holds the name of the original ir node for debugging purposes */
-#endif /* NDEBUG */
-
- const ia32_register_req_t **in_req; /**< register requirements for arguments */
- const ia32_register_req_t **out_req; /**< register requirements for results */
-
- const arch_register_t *x87[3]; /**< register slots for x87 register */
-
- /* must be last, dynamic */
- const arch_register_t *slots[1]; /**< register slots for assigned registers */
-} ia32_attr_t;
-
-#endif /* _IA32_NODES_ATTR_H_ */
+#define CAST_IA32_ATTR(type,ptr) (assert( ((const ia32_attr_t*)(ptr))->attr_type & IA32_ATTR_ ## type ), (type*) (ptr))
+#define CONST_CAST_IA32_ATTR(type,ptr) (assert( ((const ia32_attr_t*)(ptr))->attr_type & IA32_ATTR_ ## type ), (const type*) (ptr))
+#else
+#define CAST_IA32_ATTR(type,ptr) ((type*) (ptr))
+#define CONST_CAST_IA32_ATTR(type,ptr) ((const type*) (ptr))
+#endif
+
+#endif
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