/*
- * 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 "../bemachine.h"
#include "irnode_t.h"
+enum {
+ ia32_pn_Cmp_unsigned = 0x1000,
+ ia32_pn_Cmp_float = 0x2000,
+};
+
typedef enum {
ia32_Normal,
ia32_AddrModeD,
} ia32_op_type_t;
typedef enum {
- 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_None = 0, /**< no addrmode support */
+ ia32_am_Source = 2 /**< addrmode for source only */
} ia32_am_type_t;
typedef enum {
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_two_users = 1 << 11 /**< the instruction uses a load two times ... */
+} 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
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 has_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 ins_permuted : 1; /**< inputs of node have been permuted
(for commutative nodes) */
unsigned cmp_unsigned : 1; /**< compare should be unsigned */
+ unsigned is_reload : 1; /**< node performs a reload */
} data;
int *out_flags; /**< flags for each produced value */
ir_entity *frame_ent; /**< the frame entity attached to this node */
- unsigned latency; /**< the latency of the instruction in clock cycles */
-
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_t **slots; /**< register slots for assigned registers */
+ ir_label_t exc_label; /**< the exception label iff this instruction can throw an exception */
+
#ifndef NDEBUG
const char *orig_node; /**< holds the name of the original ir node */
unsigned attr_type; /**< bitfield indicating the attribute type */