90 lines
2.5 KiB
C
90 lines
2.5 KiB
C
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/*
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push_pop.h
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*/
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#ifndef PUSH_POP_H
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#define PUSH_POP_H
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#include "back.h"
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#define NR_REGS 64
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typedef char *reg_t;
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typedef struct cache_elt {
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reg_t reg, reg2;
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char *ext;
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arith cst;
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} cache_elt;
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#define REG_NUM(r) (((char(*)[8])(r))-regnam)
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#define T_cst 1
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#define T_ext 2
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#define T_reg 4
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#define T_float 8
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#define T_reg2 16
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#define T_float2 32
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typedef char const_str_t[NR_REGS];
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extern reg_t reg_g0, reg_g1, reg_g2, reg_g3, reg_g4, reg_g5, reg_g6, reg_g7;
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extern reg_t reg_i0, reg_i1, reg_i2, reg_i3, reg_i4, reg_i5, reg_i6, reg_i7;
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extern reg_t reg_l0, reg_l1, reg_l2, reg_l3, reg_l4, reg_l5, reg_l6, reg_l7;
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extern reg_t reg_o0, reg_o1, reg_o2, reg_o3, reg_o4, reg_o5, reg_o6, reg_o7;
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extern reg_t reg_f0;
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extern reg_t reg_sp, reg_lb, reg_gap;
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extern reg_t reg_tmp;
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#ifdef __STDC__
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#define _PROTOTYPE(x,y) x y
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#else
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#define _PROTOTYPE(x,y) x()
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#endif
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_PROTOTYPE(int const13, (int));
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_PROTOTYPE(void init_cache, (void));
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_PROTOTYPE(void free_reg, (reg_t));
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_PROTOTYPE(void free_double, (reg_t)); /* ..._reg */
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_PROTOTYPE(void forced_alloc_reg, (reg_t));
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_PROTOTYPE(void soft_alloc_reg, (reg_t));
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_PROTOTYPE(void change_reg, (reg_t));
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_PROTOTYPE(int type_of_tos, (void));
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_PROTOTYPE(void inc_tos, (arith));
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_PROTOTYPE(void inc_tos_reg, (reg_t));
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_PROTOTYPE(void push_const, (arith));
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_PROTOTYPE(void push_reg, (reg_t));
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_PROTOTYPE(void push_ext, (char *));
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_PROTOTYPE(void flush_cache, (void));
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static _PROTOTYPE(void flush_part_cache, (int c, int r, int f, int d));
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static _PROTOTYPE(void subst_reg, (reg_t, reg_t));
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_PROTOTYPE(void cache_need, (int));
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static _PROTOTYPE(int cache_read, (int n, int i));
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static _PROTOTYPE(void dump_cache, (File *stream));
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_PROTOTYPE(void pop_nop, (int));
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static _PROTOTYPE(void panic, (char*));
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_PROTOTYPE(reg_t alloc_reg, (void));
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_PROTOTYPE(reg_t alloc_reg_var, (void));
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_PROTOTYPE(reg_t alloc_float, (void));
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_PROTOTYPE(reg_t alloc_float_var, (void));
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_PROTOTYPE(reg_t alloc_double, (reg_t *sub_reg));
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_PROTOTYPE(reg_t alloc_double_var, (reg_t *sub_reg));
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_PROTOTYPE(reg_t pop_reg, (void));
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_PROTOTYPE(reg_t pop_reg_c13, (char*));
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_PROTOTYPE(reg_t pop_reg_reg, (reg_t*));
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_PROTOTYPE(reg_t pop_float, (void));
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_PROTOTYPE(reg_t pop_double, (reg_t *sub_reg));
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_PROTOTYPE(void pop_reg_as, (reg_t r));
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static _PROTOTYPE(reg_t top_reg, (void));
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static _PROTOTYPE(reg_t top_reg_c13, (char*));
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_PROTOTYPE(arith pop_const, (char *n_str));
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_PROTOTYPE(arith top_const, (void));
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_PROTOTYPE(void dup_tos, (int n));
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_PROTOTYPE(void exg_top, (int n));
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#define code_combiner(x) x
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#endif /* PUSH_POP_H */
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