/*
- * 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.
*
#include "firm_types.h"
#include "../bearch_t.h"
#include "../bemachine.h"
-
-typedef enum { flavour_Div = 1, flavour_Mod, flavour_DivMod } ia32_op_flavour_t;
-typedef enum { pn_EAX, pn_EDX } pn_ia32_Register;
+#include "irnode_t.h"
typedef enum {
ia32_Normal,
ia32_AddrModeS
} ia32_op_type_t;
-typedef enum {
- ia32_ImmNone = 0,
- ia32_ImmConst = 1,
- ia32_ImmSymConst = 2
-} 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_Dest = 1,
+ ia32_am_Source = 2, /**< addrmode for source only */
+ ia32_am_Full = 3
} ia32_am_type_t;
-/**
- * Different Address Mode properties:
- * O - Offset is set
- * B - Base is set
- * I - Index is set
- * S - Scale is set
- */
-enum {
- ia32_O = (1 << 0), /**< O - Offset is set */
- ia32_B = (1 << 1), /**< B - Base is set */
- ia32_I = (1 << 2), /**< I - Index is set */
- ia32_S = (1 << 3) /**< 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;
-/** Possible Address mode types */
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_OIS = ia32_O | ia32_I | ia32_S,
- ia32_am_OBIS = ia32_O | ia32_B | ia32_I | ia32_S
-} ia32_am_flavour_t;
-
-enum {
- ia32_pn_Cmp_Unsigned = 0x100 /**< set this flag in a pnc to indicate an unsigned compare operation */
+ 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_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
+
+/**
+ * The generic ia32 attributes. Every node has them.
+ */
typedef struct ia32_attr_t ia32_attr_t;
struct ia32_attr_t {
- struct {
- unsigned tp:3; /**< ia32 node type */
- unsigned imm_tp:2; /**< ia32 immop type */
- 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 */
-
- unsigned offs_sign:1; /**< sign bit of the first offset */
- unsigned am_sc_sign:1; /**< sign bit of the address mode symconst */
-
- unsigned use_frame:1; /**< indicates whether the operation uses the frame pointer or not */
-
- ia32_op_flavour_t op_flav:2;/**< flavour of an op (flavour_Div/Mod/DivMod) */
-
- unsigned flags:4; /**< indicating if spillable, rematerializeable, stack modifying and/or ignore */
-
- unsigned is_commutative:1; /**< indicates whether op is commutative or not */
-
- unsigned emit_cl:1; /**< indicates whether we must emit cl instead of ecx (needed for shifts) */
-
- unsigned got_lea:1; /**< indicates whether or not this node already consumed a LEA */
-
- unsigned need_stackent:1; /**< set to 1 if node need space on stack */
-
- unsigned n_res:6; /**< number of results produced by this node */
+ 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;
int *out_flags; /**< flags for each produced value */
int am_offs; /**< offsets for AddrMode */
ir_entity *am_sc; /**< SymConst for AddrMode */
- union {
- tarval *tv; /**< tarval for immediate operations */
- ir_entity *sc; /**< the symconst ident */
- } cnst_val;
-
- ir_mode *ls_mode; /**< Load/Store mode: This is the mode of the value
- that is manipulated by this node. */
+ ir_mode *ls_mode; /**< Load/Store mode: This is the mode of the
+ value that is manipulated by this node. */
ir_entity *frame_ent; /**< the frame entity attached to this node */
- long pn_code; /**< projnum "types" (e.g. indicate compare operators and argument numbers for switches) */
+ const be_execution_unit_t ***exec_units; /**< list of units this operation can be executed on */
+
+ const arch_register_req_t **in_req; /**< register requirements for arguments */
+ const arch_register_req_t **out_req; /**< register requirements for results */
- unsigned latency; /**< the latency of the instruction in clock cycles */
+ const arch_register_t **slots; /**< register slots for assigned registers */
#ifndef NDEBUG
- const char *orig_node; /**< holds the name of the original ir node for debugging purposes */
-#endif /* 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);
- const be_execution_unit_t ***exec_units; /**< list of units this operation can be executed on */
+/**
+ * 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 */
+};
- const arch_register_req_t **in_req; /**< register requirements for arguments */
- const arch_register_req_t **out_req; /**< register requirements for results */
+/**
+ * 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 */
+};
- const arch_register_t *x87[3]; /**< register slots for x87 register */
+/**
+ * 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. */
+};
+
+/**
+ * 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 */
+};
+
+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;
+};
+
+/**
+ * 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;
+};
- /* must be last, dynamic */
- const arch_register_t *slots[1]; /**< register slots for assigned registers */
+/* 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;
};
-#endif /* FIRM_BE_IA32_IA32_NODES_ATTR_H */
+#ifndef NDEBUG
+#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
projects / libfirm / blobdiff