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root/cebix/BasiliskII/src/uae_cpu/compiler/compemu.h
Revision: 1.8
Committed: 2003-11-21T14:20:01Z (20 years, 11 months ago) by gbeauche
Content type: text/plain
Branch: MAIN
Changes since 1.7: +3 -0 lines
Log Message:
Implement lazy icache range invalidation. Disable for now until it shows
a real benefit over only 2%

File Contents

# User Rev Content
1 gbeauche 1.5 /*
2     * compiler/compemu.h - Public interface and definitions
3     *
4     * Original 68040 JIT compiler for UAE, copyright 2000-2002 Bernd Meyer
5     *
6     * Adaptation for Basilisk II and improvements, copyright 2000-2002
7     * Gwenole Beauchesne
8     *
9     * Basilisk II (C) 1997-2002 Christian Bauer
10     *
11     * This program is free software; you can redistribute it and/or modify
12     * it under the terms of the GNU General Public License as published by
13     * the Free Software Foundation; either version 2 of the License, or
14     * (at your option) any later version.
15     *
16     * This program is distributed in the hope that it will be useful,
17     * but WITHOUT ANY WARRANTY; without even the implied warranty of
18     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19     * GNU General Public License for more details.
20     *
21     * You should have received a copy of the GNU General Public License
22     * along with this program; if not, write to the Free Software
23     * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24     */
25    
26 gbeauche 1.1 #ifndef COMPEMU_H
27     #define COMPEMU_H
28    
29     #include "newcpu.h"
30    
31     #if USE_JIT
32    
33     #if JIT_DEBUG
34     /* dump some information (m68k block, x86 block addresses) about the compiler state */
35     extern void compiler_dumpstate(void);
36     #endif
37    
38     /* Now that we do block chaining, and also have linked lists on each tag,
39     TAGMASK can be much smaller and still do its job. Saves several megs
40     of memory! */
41     #define TAGMASK 0x0000ffff
42     #define TAGSIZE (TAGMASK+1)
43     #define MAXRUN 1024
44     #define cacheline(x) (((uae_u32)x)&TAGMASK)
45    
46     extern uae_u8* start_pc_p;
47     extern uae_u32 start_pc;
48    
49     struct blockinfo_t;
50    
51     struct cpu_history {
52     uae_u16 * location;
53     };
54    
55     union cacheline {
56     cpuop_func * handler;
57     blockinfo_t * bi;
58     };
59    
60 gbeauche 1.7 /* Use new spill/reload strategy when calling external functions */
61     #define USE_OPTIMIZED_CALLS 0
62     #if USE_OPTIMIZED_CALLS
63     #error implementation in progress
64     #endif
65    
66 gbeauche 1.1 /* (gb) When on, this option can save save up to 30% compilation time
67     * when many lazy flushes occur (e.g. apps in MacOS 8.x).
68     */
69     #define USE_SEPARATE_BIA 1
70    
71 gbeauche 1.2 /* Use chain of checksum_info_t to compute the block checksum */
72 gbeauche 1.4 #define USE_CHECKSUM_INFO 1
73 gbeauche 1.2
74 gbeauche 1.3 /* Use code inlining, aka follow-up of constant jumps */
75 gbeauche 1.4 #define USE_INLINING 1
76    
77     /* Inlining requires the chained checksuming information */
78     #if USE_INLINING
79     #undef USE_CHECKSUM_INFO
80     #define USE_CHECKSUM_INFO 1
81     #endif
82 gbeauche 1.3
83 gbeauche 1.8 /* Does flush_icache_range() only check for blocks falling in the requested range? */
84     #define LAZY_FLUSH_ICACHE_RANGE 0
85    
86 gbeauche 1.1 #define USE_F_ALIAS 1
87     #define USE_OFFSET 1
88     #define COMP_DEBUG 1
89    
90     #if COMP_DEBUG
91     #define Dif(x) if (x)
92     #else
93     #define Dif(x) if (0)
94     #endif
95    
96     #define SCALE 2
97    
98     #define BYTES_PER_INST 10240 /* paranoid ;-) */
99     #define LONGEST_68K_INST 16 /* The number of bytes the longest possible
100     68k instruction takes */
101     #define MAX_CHECKSUM_LEN 2048 /* The maximum size we calculate checksums
102     for. Anything larger will be flushed
103     unconditionally even with SOFT_FLUSH */
104     #define MAX_HOLD_BI 3 /* One for the current block, and up to two
105     for jump targets */
106    
107     #define INDIVIDUAL_INST 0
108     #if 1
109     // gb-- my format from readcpu.cpp is not the same
110     #define FLAG_X 0x0010
111     #define FLAG_N 0x0008
112     #define FLAG_Z 0x0004
113     #define FLAG_V 0x0002
114     #define FLAG_C 0x0001
115     #else
116     #define FLAG_C 0x0010
117     #define FLAG_V 0x0008
118     #define FLAG_Z 0x0004
119     #define FLAG_N 0x0002
120     #define FLAG_X 0x0001
121     #endif
122     #define FLAG_CZNV (FLAG_C | FLAG_Z | FLAG_N | FLAG_V)
123     #define FLAG_ZNV (FLAG_Z | FLAG_N | FLAG_V)
124    
125     #define KILLTHERAT 1 /* Set to 1 to avoid some partial_rat_stalls */
126    
127     /* Whether to preserve registers across calls to JIT compiled routines */
128     #ifdef X86_ASSEMBLY
129     #define USE_PUSH_POP 0
130     #else
131     #define USE_PUSH_POP 1
132     #endif
133    
134     #define N_REGS 8 /* really only 7, but they are numbered 0,1,2,3,5,6,7 */
135     #define N_FREGS 6 /* That leaves us two positions on the stack to play with */
136    
137     /* Functions exposed to newcpu, or to what was moved from newcpu.c to
138     * compemu_support.c */
139     extern void compiler_init(void);
140     extern void compiler_exit(void);
141     extern bool compiler_use_jit(void);
142     extern void init_comp(void);
143     extern void flush(int save_regs);
144     extern void small_flush(int save_regs);
145     extern void set_target(uae_u8* t);
146     extern uae_u8* get_target(void);
147     extern void freescratch(void);
148     extern void build_comp(void);
149     extern void set_cache_state(int enabled);
150     extern int get_cache_state(void);
151     extern uae_u32 get_jitted_size(void);
152     extern void (*flush_icache)(int n);
153     extern void alloc_cache(void);
154     extern int check_for_cache_miss(void);
155    
156     /* JIT FPU compilation */
157     extern void comp_fpp_opp (uae_u32 opcode, uae_u16 extra);
158     extern void comp_fbcc_opp (uae_u32 opcode);
159     extern void comp_fscc_opp (uae_u32 opcode, uae_u16 extra);
160    
161     extern uae_u32 needed_flags;
162     extern cacheline cache_tags[];
163     extern uae_u8* comp_pc_p;
164     extern void* pushall_call_handler;
165    
166     #define VREGS 32
167     #define VFREGS 16
168    
169     #define INMEM 1
170     #define CLEAN 2
171     #define DIRTY 3
172     #define UNDEF 4
173     #define ISCONST 5
174    
175     typedef struct {
176     uae_u32* mem;
177     uae_u32 val;
178     uae_u8 is_swapped;
179     uae_u8 status;
180     uae_s8 realreg; /* gb-- realreg can hold -1 */
181     uae_u8 realind; /* The index in the holds[] array */
182     uae_u8 needflush;
183     uae_u8 validsize;
184     uae_u8 dirtysize;
185     uae_u8 dummy;
186     } reg_status;
187    
188     typedef struct {
189     uae_u32* mem;
190     double val;
191     uae_u8 status;
192     uae_s8 realreg; /* gb-- realreg can hold -1 */
193     uae_u8 realind;
194     uae_u8 needflush;
195     } freg_status;
196    
197     #define PC_P 16
198     #define FLAGX 17
199     #define FLAGTMP 18
200     #define NEXT_HANDLER 19
201     #define S1 20
202     #define S2 21
203     #define S3 22
204     #define S4 23
205     #define S5 24
206     #define S6 25
207     #define S7 26
208     #define S8 27
209     #define S9 28
210     #define S10 29
211     #define S11 30
212     #define S12 31
213    
214     #define FP_RESULT 8
215     #define FS1 9
216     #define FS2 10
217     #define FS3 11
218    
219     typedef struct {
220     uae_u32 touched;
221     uae_s8 holds[VREGS];
222     uae_u8 nholds;
223     uae_u8 canbyte;
224     uae_u8 canword;
225     uae_u8 locked;
226     } n_status;
227    
228     typedef struct {
229     uae_u32 touched;
230     uae_s8 holds[VFREGS];
231     uae_u8 nholds;
232     uae_u8 locked;
233     } fn_status;
234    
235     /* For flag handling */
236     #define NADA 1
237     #define TRASH 2
238     #define VALID 3
239    
240     /* needflush values */
241     #define NF_SCRATCH 0
242     #define NF_TOMEM 1
243     #define NF_HANDLER 2
244    
245     typedef struct {
246     /* Integer part */
247     reg_status state[VREGS];
248     n_status nat[N_REGS];
249     uae_u32 flags_on_stack;
250     uae_u32 flags_in_flags;
251     uae_u32 flags_are_important;
252     /* FPU part */
253     freg_status fate[VFREGS];
254     fn_status fat[N_FREGS];
255    
256     /* x86 FPU part */
257     uae_s8 spos[N_FREGS];
258     uae_s8 onstack[6];
259     uae_s8 tos;
260     } bigstate;
261    
262     typedef struct {
263     /* Integer part */
264     char virt[VREGS];
265     char nat[N_REGS];
266     } smallstate;
267    
268     extern bigstate live;
269     extern int touchcnt;
270    
271    
272     #define IMM uae_s32
273     #define R1 uae_u32
274     #define R2 uae_u32
275     #define R4 uae_u32
276     #define W1 uae_u32
277     #define W2 uae_u32
278     #define W4 uae_u32
279     #define RW1 uae_u32
280     #define RW2 uae_u32
281     #define RW4 uae_u32
282     #define MEMR uae_u32
283     #define MEMW uae_u32
284     #define MEMRW uae_u32
285    
286     #define FW uae_u32
287     #define FR uae_u32
288     #define FRW uae_u32
289    
290     #define MIDFUNC(nargs,func,args) void func args
291     #define MENDFUNC(nargs,func,args)
292     #define COMPCALL(func) func
293    
294     #define LOWFUNC(flags,mem,nargs,func,args) static __inline__ void func args
295     #define LENDFUNC(flags,mem,nargs,func,args)
296    
297     /* What we expose to the outside */
298     #define DECLARE_MIDFUNC(func) extern void func
299     DECLARE_MIDFUNC(bt_l_ri(R4 r, IMM i));
300     DECLARE_MIDFUNC(bt_l_rr(R4 r, R4 b));
301     DECLARE_MIDFUNC(btc_l_ri(RW4 r, IMM i));
302     DECLARE_MIDFUNC(btc_l_rr(RW4 r, R4 b));
303     DECLARE_MIDFUNC(bts_l_ri(RW4 r, IMM i));
304     DECLARE_MIDFUNC(bts_l_rr(RW4 r, R4 b));
305     DECLARE_MIDFUNC(btr_l_ri(RW4 r, IMM i));
306     DECLARE_MIDFUNC(btr_l_rr(RW4 r, R4 b));
307     DECLARE_MIDFUNC(mov_l_rm(W4 d, IMM s));
308     DECLARE_MIDFUNC(call_r(R4 r));
309     DECLARE_MIDFUNC(sub_l_mi(IMM d, IMM s));
310     DECLARE_MIDFUNC(mov_l_mi(IMM d, IMM s));
311     DECLARE_MIDFUNC(mov_w_mi(IMM d, IMM s));
312     DECLARE_MIDFUNC(mov_b_mi(IMM d, IMM s));
313     DECLARE_MIDFUNC(rol_b_ri(RW1 r, IMM i));
314     DECLARE_MIDFUNC(rol_w_ri(RW2 r, IMM i));
315     DECLARE_MIDFUNC(rol_l_ri(RW4 r, IMM i));
316     DECLARE_MIDFUNC(rol_l_rr(RW4 d, R1 r));
317     DECLARE_MIDFUNC(rol_w_rr(RW2 d, R1 r));
318     DECLARE_MIDFUNC(rol_b_rr(RW1 d, R1 r));
319     DECLARE_MIDFUNC(shll_l_rr(RW4 d, R1 r));
320     DECLARE_MIDFUNC(shll_w_rr(RW2 d, R1 r));
321     DECLARE_MIDFUNC(shll_b_rr(RW1 d, R1 r));
322     DECLARE_MIDFUNC(ror_b_ri(R1 r, IMM i));
323     DECLARE_MIDFUNC(ror_w_ri(R2 r, IMM i));
324     DECLARE_MIDFUNC(ror_l_ri(R4 r, IMM i));
325     DECLARE_MIDFUNC(ror_l_rr(R4 d, R1 r));
326     DECLARE_MIDFUNC(ror_w_rr(R2 d, R1 r));
327     DECLARE_MIDFUNC(ror_b_rr(R1 d, R1 r));
328     DECLARE_MIDFUNC(shrl_l_rr(RW4 d, R1 r));
329     DECLARE_MIDFUNC(shrl_w_rr(RW2 d, R1 r));
330     DECLARE_MIDFUNC(shrl_b_rr(RW1 d, R1 r));
331     DECLARE_MIDFUNC(shra_l_rr(RW4 d, R1 r));
332     DECLARE_MIDFUNC(shra_w_rr(RW2 d, R1 r));
333     DECLARE_MIDFUNC(shra_b_rr(RW1 d, R1 r));
334     DECLARE_MIDFUNC(shll_l_ri(RW4 r, IMM i));
335     DECLARE_MIDFUNC(shll_w_ri(RW2 r, IMM i));
336     DECLARE_MIDFUNC(shll_b_ri(RW1 r, IMM i));
337     DECLARE_MIDFUNC(shrl_l_ri(RW4 r, IMM i));
338     DECLARE_MIDFUNC(shrl_w_ri(RW2 r, IMM i));
339     DECLARE_MIDFUNC(shrl_b_ri(RW1 r, IMM i));
340     DECLARE_MIDFUNC(shra_l_ri(RW4 r, IMM i));
341     DECLARE_MIDFUNC(shra_w_ri(RW2 r, IMM i));
342     DECLARE_MIDFUNC(shra_b_ri(RW1 r, IMM i));
343     DECLARE_MIDFUNC(setcc(W1 d, IMM cc));
344     DECLARE_MIDFUNC(setcc_m(IMM d, IMM cc));
345     DECLARE_MIDFUNC(cmov_l_rr(RW4 d, R4 s, IMM cc));
346     DECLARE_MIDFUNC(cmov_l_rm(RW4 d, IMM s, IMM cc));
347 gbeauche 1.6 /* Set native Z flag only if register is zero */
348     DECLARE_MIDFUNC(setzflg_l(RW4 r));
349 gbeauche 1.1 DECLARE_MIDFUNC(pop_m(IMM d));
350     DECLARE_MIDFUNC(push_m(IMM d));
351     DECLARE_MIDFUNC(pop_l(W4 d));
352     DECLARE_MIDFUNC(push_l_i(IMM i));
353     DECLARE_MIDFUNC(push_l(R4 s));
354     DECLARE_MIDFUNC(clear_16(RW4 r));
355     DECLARE_MIDFUNC(clear_8(RW4 r));
356     DECLARE_MIDFUNC(sign_extend_16_rr(W4 d, R2 s));
357     DECLARE_MIDFUNC(sign_extend_8_rr(W4 d, R1 s));
358     DECLARE_MIDFUNC(zero_extend_16_rr(W4 d, R2 s));
359     DECLARE_MIDFUNC(zero_extend_8_rr(W4 d, R1 s));
360     DECLARE_MIDFUNC(imul_64_32(RW4 d, RW4 s));
361     DECLARE_MIDFUNC(mul_64_32(RW4 d, RW4 s));
362     DECLARE_MIDFUNC(imul_32_32(RW4 d, R4 s));
363     DECLARE_MIDFUNC(mul_32_32(RW4 d, R4 s));
364     DECLARE_MIDFUNC(mov_b_rr(W1 d, R1 s));
365     DECLARE_MIDFUNC(mov_w_rr(W2 d, R2 s));
366     DECLARE_MIDFUNC(mov_l_rrm_indexed(W4 d,R4 baser, R4 index, IMM factor));
367     DECLARE_MIDFUNC(mov_w_rrm_indexed(W2 d, R4 baser, R4 index, IMM factor));
368     DECLARE_MIDFUNC(mov_b_rrm_indexed(W1 d, R4 baser, R4 index, IMM factor));
369     DECLARE_MIDFUNC(mov_l_mrr_indexed(R4 baser, R4 index, IMM factor, R4 s));
370     DECLARE_MIDFUNC(mov_w_mrr_indexed(R4 baser, R4 index, IMM factor, R2 s));
371     DECLARE_MIDFUNC(mov_b_mrr_indexed(R4 baser, R4 index, IMM factor, R1 s));
372     DECLARE_MIDFUNC(mov_l_bmrr_indexed(IMM base, R4 baser, R4 index, IMM factor, R4 s));
373     DECLARE_MIDFUNC(mov_w_bmrr_indexed(IMM base, R4 baser, R4 index, IMM factor, R2 s));
374     DECLARE_MIDFUNC(mov_b_bmrr_indexed(IMM base, R4 baser, R4 index, IMM factor, R1 s));
375     DECLARE_MIDFUNC(mov_l_brrm_indexed(W4 d, IMM base, R4 baser, R4 index, IMM factor));
376     DECLARE_MIDFUNC(mov_w_brrm_indexed(W2 d, IMM base, R4 baser, R4 index, IMM factor));
377     DECLARE_MIDFUNC(mov_b_brrm_indexed(W1 d, IMM base, R4 baser, R4 index, IMM factor));
378     DECLARE_MIDFUNC(mov_l_rm_indexed(W4 d, IMM base, R4 index, IMM factor));
379     DECLARE_MIDFUNC(mov_l_rR(W4 d, R4 s, IMM offset));
380     DECLARE_MIDFUNC(mov_w_rR(W2 d, R4 s, IMM offset));
381     DECLARE_MIDFUNC(mov_b_rR(W1 d, R4 s, IMM offset));
382     DECLARE_MIDFUNC(mov_l_brR(W4 d, R4 s, IMM offset));
383     DECLARE_MIDFUNC(mov_w_brR(W2 d, R4 s, IMM offset));
384     DECLARE_MIDFUNC(mov_b_brR(W1 d, R4 s, IMM offset));
385     DECLARE_MIDFUNC(mov_l_Ri(R4 d, IMM i, IMM offset));
386     DECLARE_MIDFUNC(mov_w_Ri(R4 d, IMM i, IMM offset));
387     DECLARE_MIDFUNC(mov_b_Ri(R4 d, IMM i, IMM offset));
388     DECLARE_MIDFUNC(mov_l_Rr(R4 d, R4 s, IMM offset));
389     DECLARE_MIDFUNC(mov_w_Rr(R4 d, R2 s, IMM offset));
390     DECLARE_MIDFUNC(mov_b_Rr(R4 d, R1 s, IMM offset));
391     DECLARE_MIDFUNC(lea_l_brr(W4 d, R4 s, IMM offset));
392     DECLARE_MIDFUNC(lea_l_brr_indexed(W4 d, R4 s, R4 index, IMM factor, IMM offset));
393     DECLARE_MIDFUNC(lea_l_rr_indexed(W4 d, R4 s, R4 index, IMM factor));
394     DECLARE_MIDFUNC(mov_l_bRr(R4 d, R4 s, IMM offset));
395     DECLARE_MIDFUNC(mov_w_bRr(R4 d, R2 s, IMM offset));
396     DECLARE_MIDFUNC(mov_b_bRr(R4 d, R1 s, IMM offset));
397     DECLARE_MIDFUNC(bswap_32(RW4 r));
398     DECLARE_MIDFUNC(bswap_16(RW2 r));
399     DECLARE_MIDFUNC(mov_l_rr(W4 d, R4 s));
400     DECLARE_MIDFUNC(mov_l_mr(IMM d, R4 s));
401     DECLARE_MIDFUNC(mov_w_mr(IMM d, R2 s));
402     DECLARE_MIDFUNC(mov_w_rm(W2 d, IMM s));
403     DECLARE_MIDFUNC(mov_b_mr(IMM d, R1 s));
404     DECLARE_MIDFUNC(mov_b_rm(W1 d, IMM s));
405     DECLARE_MIDFUNC(mov_l_ri(W4 d, IMM s));
406     DECLARE_MIDFUNC(mov_w_ri(W2 d, IMM s));
407     DECLARE_MIDFUNC(mov_b_ri(W1 d, IMM s));
408     DECLARE_MIDFUNC(add_l_mi(IMM d, IMM s) );
409     DECLARE_MIDFUNC(add_w_mi(IMM d, IMM s) );
410     DECLARE_MIDFUNC(add_b_mi(IMM d, IMM s) );
411     DECLARE_MIDFUNC(test_l_ri(R4 d, IMM i));
412     DECLARE_MIDFUNC(test_l_rr(R4 d, R4 s));
413     DECLARE_MIDFUNC(test_w_rr(R2 d, R2 s));
414     DECLARE_MIDFUNC(test_b_rr(R1 d, R1 s));
415     DECLARE_MIDFUNC(and_l_ri(RW4 d, IMM i));
416     DECLARE_MIDFUNC(and_l(RW4 d, R4 s));
417     DECLARE_MIDFUNC(and_w(RW2 d, R2 s));
418     DECLARE_MIDFUNC(and_b(RW1 d, R1 s));
419     DECLARE_MIDFUNC(or_l_rm(RW4 d, IMM s));
420     DECLARE_MIDFUNC(or_l_ri(RW4 d, IMM i));
421     DECLARE_MIDFUNC(or_l(RW4 d, R4 s));
422     DECLARE_MIDFUNC(or_w(RW2 d, R2 s));
423     DECLARE_MIDFUNC(or_b(RW1 d, R1 s));
424     DECLARE_MIDFUNC(adc_l(RW4 d, R4 s));
425     DECLARE_MIDFUNC(adc_w(RW2 d, R2 s));
426     DECLARE_MIDFUNC(adc_b(RW1 d, R1 s));
427     DECLARE_MIDFUNC(add_l(RW4 d, R4 s));
428     DECLARE_MIDFUNC(add_w(RW2 d, R2 s));
429     DECLARE_MIDFUNC(add_b(RW1 d, R1 s));
430     DECLARE_MIDFUNC(sub_l_ri(RW4 d, IMM i));
431     DECLARE_MIDFUNC(sub_w_ri(RW2 d, IMM i));
432     DECLARE_MIDFUNC(sub_b_ri(RW1 d, IMM i));
433     DECLARE_MIDFUNC(add_l_ri(RW4 d, IMM i));
434     DECLARE_MIDFUNC(add_w_ri(RW2 d, IMM i));
435     DECLARE_MIDFUNC(add_b_ri(RW1 d, IMM i));
436     DECLARE_MIDFUNC(sbb_l(RW4 d, R4 s));
437     DECLARE_MIDFUNC(sbb_w(RW2 d, R2 s));
438     DECLARE_MIDFUNC(sbb_b(RW1 d, R1 s));
439     DECLARE_MIDFUNC(sub_l(RW4 d, R4 s));
440     DECLARE_MIDFUNC(sub_w(RW2 d, R2 s));
441     DECLARE_MIDFUNC(sub_b(RW1 d, R1 s));
442     DECLARE_MIDFUNC(cmp_l(R4 d, R4 s));
443     DECLARE_MIDFUNC(cmp_l_ri(R4 r, IMM i));
444     DECLARE_MIDFUNC(cmp_w(R2 d, R2 s));
445     DECLARE_MIDFUNC(cmp_b(R1 d, R1 s));
446     DECLARE_MIDFUNC(xor_l(RW4 d, R4 s));
447     DECLARE_MIDFUNC(xor_w(RW2 d, R2 s));
448     DECLARE_MIDFUNC(xor_b(RW1 d, R1 s));
449     DECLARE_MIDFUNC(live_flags(void));
450     DECLARE_MIDFUNC(dont_care_flags(void));
451     DECLARE_MIDFUNC(duplicate_carry(void));
452     DECLARE_MIDFUNC(restore_carry(void));
453     DECLARE_MIDFUNC(start_needflags(void));
454     DECLARE_MIDFUNC(end_needflags(void));
455     DECLARE_MIDFUNC(make_flags_live(void));
456     DECLARE_MIDFUNC(call_r_11(R4 r, W4 out1, R4 in1, IMM osize, IMM isize));
457     DECLARE_MIDFUNC(call_r_02(R4 r, R4 in1, R4 in2, IMM isize1, IMM isize2));
458     DECLARE_MIDFUNC(forget_about(W4 r));
459     DECLARE_MIDFUNC(nop(void));
460    
461     DECLARE_MIDFUNC(f_forget_about(FW r));
462     DECLARE_MIDFUNC(fmov_pi(FW r));
463     DECLARE_MIDFUNC(fmov_log10_2(FW r));
464     DECLARE_MIDFUNC(fmov_log2_e(FW r));
465     DECLARE_MIDFUNC(fmov_loge_2(FW r));
466     DECLARE_MIDFUNC(fmov_1(FW r));
467     DECLARE_MIDFUNC(fmov_0(FW r));
468     DECLARE_MIDFUNC(fmov_rm(FW r, MEMR m));
469     DECLARE_MIDFUNC(fmovi_rm(FW r, MEMR m));
470     DECLARE_MIDFUNC(fmovi_mr(MEMW m, FR r));
471     DECLARE_MIDFUNC(fmovs_rm(FW r, MEMR m));
472     DECLARE_MIDFUNC(fmovs_mr(MEMW m, FR r));
473     DECLARE_MIDFUNC(fmov_mr(MEMW m, FR r));
474     DECLARE_MIDFUNC(fmov_ext_mr(MEMW m, FR r));
475     DECLARE_MIDFUNC(fmov_ext_rm(FW r, MEMR m));
476     DECLARE_MIDFUNC(fmov_rr(FW d, FR s));
477     DECLARE_MIDFUNC(fldcw_m_indexed(R4 index, IMM base));
478     DECLARE_MIDFUNC(ftst_r(FR r));
479     DECLARE_MIDFUNC(dont_care_fflags(void));
480     DECLARE_MIDFUNC(fsqrt_rr(FW d, FR s));
481     DECLARE_MIDFUNC(fabs_rr(FW d, FR s));
482     DECLARE_MIDFUNC(frndint_rr(FW d, FR s));
483     DECLARE_MIDFUNC(fsin_rr(FW d, FR s));
484     DECLARE_MIDFUNC(fcos_rr(FW d, FR s));
485     DECLARE_MIDFUNC(ftwotox_rr(FW d, FR s));
486     DECLARE_MIDFUNC(fetox_rr(FW d, FR s));
487     DECLARE_MIDFUNC(flog2_rr(FW d, FR s));
488     DECLARE_MIDFUNC(fneg_rr(FW d, FR s));
489     DECLARE_MIDFUNC(fadd_rr(FRW d, FR s));
490     DECLARE_MIDFUNC(fsub_rr(FRW d, FR s));
491     DECLARE_MIDFUNC(fmul_rr(FRW d, FR s));
492     DECLARE_MIDFUNC(frem_rr(FRW d, FR s));
493     DECLARE_MIDFUNC(frem1_rr(FRW d, FR s));
494     DECLARE_MIDFUNC(fdiv_rr(FRW d, FR s));
495     DECLARE_MIDFUNC(fcmp_rr(FR d, FR s));
496     DECLARE_MIDFUNC(fflags_into_flags(W2 tmp));
497     #undef DECLARE_MIDFUNC
498    
499     extern int failure;
500     #define FAIL(x) do { failure|=x; } while (0)
501    
502     /* Convenience functions exposed to gencomp */
503     extern uae_u32 m68k_pc_offset;
504     extern void readbyte(int address, int dest, int tmp);
505     extern void readword(int address, int dest, int tmp);
506     extern void readlong(int address, int dest, int tmp);
507     extern void writebyte(int address, int source, int tmp);
508     extern void writeword(int address, int source, int tmp);
509     extern void writelong(int address, int source, int tmp);
510     extern void writeword_clobber(int address, int source, int tmp);
511     extern void writelong_clobber(int address, int source, int tmp);
512     extern void get_n_addr(int address, int dest, int tmp);
513     extern void get_n_addr_jmp(int address, int dest, int tmp);
514     extern void calc_disp_ea_020(int base, uae_u32 dp, int target, int tmp);
515     extern int kill_rodent(int r);
516     extern void sync_m68k_pc(void);
517     extern uae_u32 get_const(int r);
518     extern int is_const(int r);
519     extern void register_branch(uae_u32 not_taken, uae_u32 taken, uae_u8 cond);
520    
521     #define comp_get_ibyte(o) do_get_mem_byte((uae_u8 *)(comp_pc_p + (o) + 1))
522     #define comp_get_iword(o) do_get_mem_word((uae_u16 *)(comp_pc_p + (o)))
523     #define comp_get_ilong(o) do_get_mem_long((uae_u32 *)(comp_pc_p + (o)))
524    
525     struct blockinfo_t;
526    
527     typedef struct dep_t {
528     uintptr* jmp_off;
529     struct blockinfo_t* target;
530     struct blockinfo_t* source;
531     struct dep_t** prev_p;
532     struct dep_t* next;
533     } dependency;
534    
535 gbeauche 1.2 typedef struct checksum_info_t {
536     uae_u8 *start_p;
537     uae_u32 length;
538     struct checksum_info_t *next;
539     } checksum_info;
540    
541 gbeauche 1.1 typedef struct blockinfo_t {
542     uae_s32 count;
543     cpuop_func* direct_handler_to_use;
544     cpuop_func* handler_to_use;
545     /* The direct handler does not check for the correct address */
546    
547     cpuop_func* handler;
548     cpuop_func* direct_handler;
549    
550     cpuop_func* direct_pen;
551     cpuop_func* direct_pcc;
552    
553     uae_u8* pc_p;
554    
555 gbeauche 1.3 uae_u32 c1;
556     uae_u32 c2;
557 gbeauche 1.2 #if USE_CHECKSUM_INFO
558     checksum_info *csi;
559     #else
560 gbeauche 1.1 uae_u32 len;
561 gbeauche 1.2 uae_u32 min_pcp;
562     #endif
563 gbeauche 1.1
564     struct blockinfo_t* next_same_cl;
565     struct blockinfo_t** prev_same_cl_p;
566     struct blockinfo_t* next;
567     struct blockinfo_t** prev_p;
568    
569     uae_u8 optlevel;
570     uae_u8 needed_flags;
571     uae_u8 status;
572     uae_u8 havestate;
573    
574     dependency dep[2]; /* Holds things we depend on */
575     dependency* deplist; /* List of things that depend on this */
576     smallstate env;
577    
578     #if JIT_DEBUG
579     /* (gb) size of the compiled block (direct handler) */
580     uae_u32 direct_handler_size;
581     #endif
582     } blockinfo;
583    
584     #define BI_INVALID 0
585     #define BI_ACTIVE 1
586     #define BI_NEED_RECOMP 2
587     #define BI_NEED_CHECK 3
588     #define BI_CHECKING 4
589     #define BI_COMPILING 5
590     #define BI_FINALIZING 6
591    
592     void execute_normal(void);
593     void exec_nostats(void);
594     void do_nothing(void);
595    
596     #else
597    
598     static __inline__ void flush_icache(int) { }
599     static __inline__ void build_comp() { }
600    
601     #endif /* !USE_JIT */
602    
603     #endif /* COMPEMU_H */