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)
47 typedef enum ia32_optimize_t ia32_optimize_t;
48 typedef enum cpu_support cpu_support;
49 typedef enum fp_support fp_support;
51 typedef struct ia32_isa_t ia32_isa_t;
52 typedef struct ia32_irn_ops_t ia32_irn_ops_t;
53 typedef struct ia32_intrinsic_env_t ia32_intrinsic_env_t;
55 typedef struct ia32_irg_data_t {
56 ir_node **blk_sched; /**< an array containing the scheduled blocks */
57 unsigned do_x87_sim:1; /**< set to 1 if x87 simulation should be enforced */
58 unsigned dump:1; /**< set to 1 if graphs should be dumped */
59 ir_node *noreg_gp; /**< unique NoReg_GP node */
60 ir_node *noreg_vfp; /**< unique NoReg_VFP node */
61 ir_node *noreg_xmm; /**< unique NoReg_XMM node */
63 ir_node *fpu_trunc_mode; /**< truncate fpu mode */
64 ir_node *get_eip; /**< get eip node */
71 arch_env_t base; /**< must be derived from arch_env_t */
72 pmap *regs_16bit; /**< Contains the 16bits names of the gp registers */
73 pmap *regs_8bit; /**< Contains the 8bits names of the gp registers */
74 pmap *regs_8bit_high; /**< contains the high part of the 8 bit names of the gp registers */
75 pmap *types; /**< A map of modes to primitive types */
76 pmap *tv_ent; /**< A map of entities that store const tarvals */
77 const be_machine_t *cpu; /**< the abstract machine */
81 * A helper type collecting needed info for IA32 intrinsic lowering.
83 struct ia32_intrinsic_env_t {
84 ia32_isa_t *isa; /**< the isa object */
85 ir_graph *irg; /**< the irg, these entities belong to */
86 ir_entity *divdi3; /**< entity for __divdi3 library call */
87 ir_entity *moddi3; /**< entity for __moddi3 library call */
88 ir_entity *udivdi3; /**< entity for __udivdi3 library call */
89 ir_entity *umoddi3; /**< entity for __umoddi3 library call */
92 typedef enum transformer_t {
101 /** The selected transformer. */
102 extern transformer_t be_transformer;
105 #define be_transformer TRANSFORMER_DEFAULT
108 /** The mode for the floating point control word. */
109 extern ir_mode *mode_fpcw;
111 static inline ia32_irg_data_t *ia32_get_irg_data(const ir_graph *irg)
113 return (ia32_irg_data_t*) be_birg_from_irg(irg)->isa_link;
117 * Returns the unique per irg GP NoReg node.
119 ir_node *ia32_new_NoReg_gp(ir_graph *irg);
120 ir_node *ia32_new_NoReg_xmm(ir_graph *irg);
121 ir_node *ia32_new_NoReg_vfp(ir_graph *irg);
124 * Returns the unique per irg FPU truncation mode node.
126 ir_node *ia32_new_Fpu_truncate(ir_graph *irg);
129 * Split instruction with source AM into Load and separate instruction.
130 * @return result of the Load
132 ir_node *turn_back_am(ir_node *node);
135 * Maps all intrinsic calls that the backend support
136 * and map all instructions the backend did not support
139 void ia32_handle_intrinsics(void);
142 * Ia32 implementation.
144 * @param method the method type of the emulation function entity
145 * @param op the emulated ir_op
146 * @param imode the input mode of the emulated opcode
147 * @param omode the output mode of the emulated opcode
148 * @param context the context parameter
150 ir_entity *ia32_create_intrinsic_fkt(ir_type *method, const ir_op *op,
151 const ir_mode *imode, const ir_mode *omode,
155 * Return the stack entity that contains the return address.
157 ir_entity *ia32_get_return_address_entity(void);
160 * Return the stack entity that contains the frame address.
162 ir_entity *ia32_get_frame_address_entity(void);