2 * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
4 * This file is part of libFirm.
6 * This file may be distributed and/or modified under the terms of the
7 * GNU General Public License version 2 as published by the Free Software
8 * Foundation and appearing in the file LICENSE.GPL included in the
9 * packaging of this file.
11 * Licensees holding valid libFirm Professional Edition licenses may use
12 * this file in accordance with the libFirm Commercial License.
13 * Agreement provided with the Software.
15 * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
16 * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * @brief This is the main ia32 firm backend driver.
23 * @author Christian Wuerdig
26 #ifndef FIRM_BE_IA32_BEARCH_IA32_T_H
27 #define FIRM_BE_IA32_BEARCH_IA32_T_H
32 #include "ia32_nodes_attr.h"
37 #include "../bemachine.h"
38 #include "../beemitter.h"
41 #define SET_IA32_ORIG_NODE(n, o)
43 #define SET_IA32_ORIG_NODE(n, o) set_ia32_orig_node(n, o)
46 typedef struct ia32_isa_t ia32_isa_t;
47 typedef struct ia32_irn_ops_t ia32_irn_ops_t;
48 typedef struct ia32_intrinsic_env_t ia32_intrinsic_env_t;
50 typedef struct ia32_irg_data_t {
51 ir_node **blk_sched; /**< an array containing the scheduled blocks */
52 unsigned do_x87_sim:1; /**< set to 1 if x87 simulation should be enforced */
53 unsigned dump:1; /**< set to 1 if graphs should be dumped */
54 ir_node *noreg_gp; /**< unique NoReg_GP node */
55 ir_node *noreg_vfp; /**< unique NoReg_VFP node */
56 ir_node *noreg_xmm; /**< unique NoReg_XMM node */
58 ir_node *fpu_trunc_mode; /**< truncate fpu mode */
59 ir_node *get_eip; /**< get eip node */
66 arch_env_t base; /**< must be derived from arch_env_t */
67 pmap *regs_16bit; /**< Contains the 16bits names of the gp registers */
68 pmap *regs_8bit; /**< Contains the 8bits names of the gp registers */
69 pmap *regs_8bit_high; /**< contains the high part of the 8 bit names of the gp registers */
70 pmap *types; /**< A map of modes to primitive types */
71 pmap *tv_ent; /**< A map of entities that store const tarvals */
72 const be_machine_t *cpu; /**< the abstract machine */
76 * A helper type collecting needed info for IA32 intrinsic lowering.
78 struct ia32_intrinsic_env_t {
79 ia32_isa_t *isa; /**< the isa object */
80 ir_graph *irg; /**< the irg, these entities belong to */
81 ir_entity *divdi3; /**< entity for __divdi3 library call */
82 ir_entity *moddi3; /**< entity for __moddi3 library call */
83 ir_entity *udivdi3; /**< entity for __udivdi3 library call */
84 ir_entity *umoddi3; /**< entity for __umoddi3 library call */
87 typedef enum transformer_t {
96 /** The selected transformer. */
97 extern transformer_t be_transformer;
100 #define be_transformer TRANSFORMER_DEFAULT
103 /** The mode for the floating point control word. */
104 extern ir_mode *ia32_mode_fpcw;
106 static inline ia32_irg_data_t *ia32_get_irg_data(const ir_graph *irg)
108 return (ia32_irg_data_t*) be_birg_from_irg(irg)->isa_link;
112 * Returns the unique per irg GP NoReg node.
114 ir_node *ia32_new_NoReg_gp(ir_graph *irg);
115 ir_node *ia32_new_NoReg_xmm(ir_graph *irg);
116 ir_node *ia32_new_NoReg_vfp(ir_graph *irg);
119 * Returns the unique per irg FPU truncation mode node.
121 ir_node *ia32_new_Fpu_truncate(ir_graph *irg);
124 * Split instruction with source AM into Load and separate instruction.
125 * @return result of the Load
127 ir_node *ia32_turn_back_am(ir_node *node);
130 * Maps all intrinsic calls that the backend support
131 * and map all instructions the backend did not support
134 void ia32_handle_intrinsics(void);
137 * Ia32 implementation.
139 * @param method the method type of the emulation function entity
140 * @param op the emulated ir_op
141 * @param imode the input mode of the emulated opcode
142 * @param omode the output mode of the emulated opcode
143 * @param context the context parameter
145 ir_entity *ia32_create_intrinsic_fkt(ir_type *method, const ir_op *op,
146 const ir_mode *imode, const ir_mode *omode,
150 * Return the stack entity that contains the return address.
152 ir_entity *ia32_get_return_address_entity(void);
155 * Return the stack entity that contains the frame address.
157 ir_entity *ia32_get_frame_address_entity(void);