/*
- * 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.
*
ia32_am_ternary = 3,
} ia32_am_arity_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 {
+ 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
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 {
except_attr exc; /**< the exception attribute. MUST be the first one. */
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 */
- unsigned latency; /**< the latency of the instruction in clock cycles */
+ const arch_register_req_t **in_req; /**< register requirements for arguments */
+ const arch_register_req_t **out_req; /**< register requirements for results */
+
+ const arch_register_t **slots; /**< register slots for assigned registers */
#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);
- 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 */
+/**
+ * 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_t **slots; /**< register slots for assigned registers */
+/**
+ * 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 */
};
-COMPILETIME_ASSERT(sizeof(struct ia32_attr_data_bitfield) <= 4, attr_bitfield);
+/**
+ * The attributes for immediates.
+ */
typedef struct ia32_immediate_attr_t ia32_immediate_attr_t;
struct ia32_immediate_attr_t {
- ia32_attr_t attr;
- ir_entity *symconst;
- long offset;
+ 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;
+ ia32_attr_t attr; /**< the generic attribute */
const arch_register_t *x87[3]; /**< register slots for x87 register */
};
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;
* 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;
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