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4a71579b PC |
1 | /* |
2 | * Copyright (C) 2013-2019 Free Software Foundation, Inc. | |
3 | * | |
4 | * This file is part of GNU lightning. | |
5 | * | |
6 | * GNU lightning is free software; you can redistribute it and/or modify it | |
7 | * under the terms of the GNU Lesser General Public License as published | |
8 | * by the Free Software Foundation; either version 3, or (at your option) | |
9 | * any later version. | |
10 | * | |
11 | * GNU lightning is distributed in the hope that it will be useful, but | |
12 | * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | |
13 | * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public | |
14 | * License for more details. | |
15 | * | |
16 | * Authors: | |
17 | * Paulo Cesar Pereira de Andrade | |
18 | */ | |
19 | ||
20 | #include <lightning.h> | |
21 | #include <lightning/jit_private.h> | |
22 | ||
23 | #if __WORDSIZE == 32 | |
24 | # define NUM_FLOAT_REG_ARGS 2 | |
25 | #else | |
26 | # define NUM_FLOAT_REG_ARGS 4 | |
27 | #endif | |
28 | #define jit_arg_reg_p(i) ((i) >= 0 && (i) < 5) | |
29 | #define jit_arg_f_reg_p(i) ((i) >= 0 && (i) < NUM_FLOAT_REG_ARGS) | |
30 | ||
31 | /* | |
32 | * Types | |
33 | */ | |
34 | typedef struct jit_va_list { | |
35 | /* The offsets are "1" based, as addresses are fixed in the | |
36 | * standard stack frame format. */ | |
37 | jit_word_t gpoff; | |
38 | jit_word_t fpoff; | |
39 | ||
40 | /* Easier when there is an explicitly defined type... | |
41 | (gdb) ptype ap | |
42 | type = struct __va_list_tag { | |
43 | long __gpr; | |
44 | long __fpr; | |
45 | void *__overflow_arg_area; | |
46 | void *__reg_save_area; | |
47 | ||
48 | Note that gopff (__gpr) and fpoff (__fpr) are jit_word_t equivalent | |
49 | and, again, "1" (unit) based, so must be adjusted at va_arg time. | |
50 | */ | |
51 | jit_pointer_t over; | |
52 | jit_pointer_t save; | |
53 | ||
54 | /* For variadic functions, always allocate space to save callee | |
55 | * save fpr registers. | |
56 | * Note that s390 has a standard stack frame format that lightning | |
57 | * does not fully comply with, but for variadic functions it must, | |
58 | * for those (variadic) do not use the "empty" spaces for any | |
59 | * callee save fpr register, but save them after the va_list | |
60 | * space; and use the standard stack frame format, as required | |
61 | * by variadic functions (and have a compatible va_list pointer). */ | |
62 | jit_float64_t f8; | |
63 | jit_float64_t f9; | |
64 | jit_float64_t f10; | |
65 | jit_float64_t f11; | |
66 | jit_float64_t f12; | |
67 | jit_float64_t f13; | |
68 | jit_float64_t f14; | |
69 | jit_float64_t f15; | |
70 | } jit_va_list_t; | |
71 | ||
72 | /* | |
73 | * Prototypes | |
74 | */ | |
75 | #define jit_get_reg_pair() _jit_get_reg_pair(_jit) | |
76 | static jit_int32_t _jit_get_reg_pair(jit_state_t*); | |
77 | #define jit_unget_reg_pair(regno) _jit_unget_reg_pair(_jit,regno) | |
78 | static void _jit_unget_reg_pair(jit_state_t*,jit_int32_t); | |
79 | #define jit_get_reg_but_zero(flags) _jit_get_reg_but_zero(_jit,flags) | |
80 | static jit_int32_t _jit_get_reg_but_zero(jit_state_t*,jit_int32_t); | |
81 | #define jit_unget_reg_but_zero(reg) jit_unget_reg(reg) | |
82 | #define patch(instr, node) _patch(_jit, instr, node) | |
83 | static void _patch(jit_state_t*,jit_word_t,jit_node_t*); | |
84 | ||
85 | /* libgcc */ | |
86 | extern void __clear_cache(void *, void *); | |
87 | ||
88 | #define PROTO 1 | |
89 | # include "jit_s390-cpu.c" | |
90 | # include "jit_s390-fpu.c" | |
ba3814c1 | 91 | # include "jit_fallback.c" |
4a71579b PC |
92 | #undef PROTO |
93 | ||
94 | /* | |
95 | * Initialization | |
96 | */ | |
97 | jit_register_t _rvs[] = { | |
98 | { rc(gpr) | 0x0, "%r0" }, | |
99 | { rc(gpr) | 0x1, "%r1" }, | |
100 | { rc(gpr) | rc(sav) | 0xc, "%r12" }, | |
101 | { rc(gpr) | rc(sav) | 0xb, "%r11" }, | |
102 | { rc(gpr) | rc(sav) | 0xa, "%r10" }, | |
103 | { rc(gpr) | rc(sav) | 0x9, "%r9" }, | |
104 | { rc(gpr) | rc(sav) | 0x8, "%r8" }, | |
105 | { rc(gpr) | rc(sav) | 0x7, "%r7" }, | |
106 | { rc(gpr) | rc(arg) | rc(sav) | 0x6,"%r6" }, | |
107 | { rc(gpr) | rc(arg) | 0x5, "%r5" }, | |
108 | { rc(gpr) | rc(arg) | 0x4, "%r4" }, | |
109 | { rc(gpr) | rc(arg) | 0x3, "%r3" }, | |
110 | { rc(gpr) | rc(arg) | 0x2, "%r2" }, | |
111 | { rc(sav) | 0xd, "%r13" }, /* used as JIT_FP */ | |
112 | { 0xe, "%r14" }, | |
113 | { rc(sav) | 0xf, "%r15" }, | |
114 | { rc(fpr) | 0x1, "%f1" }, | |
115 | { rc(fpr) | 0x3, "%f3" }, | |
116 | { rc(fpr) | 0x5, "%f5" }, | |
117 | { rc(fpr) | 0x7, "%f7" }, | |
118 | { rc(fpr) | rc(sav) | 0xe, "%f14" }, | |
119 | /* Do not use as temporary to simplify stack layout */ | |
120 | { 0xf, "%f15" }, | |
121 | { rc(fpr) | rc(sav) | 0x8, "%f8" }, | |
122 | { rc(fpr) | rc(sav) | 0x9, "%f9" }, | |
123 | { rc(fpr) | rc(sav) | 0xa, "%f10" }, | |
124 | { rc(fpr) | rc(sav) | 0xb, "%f11" }, | |
125 | { rc(fpr) | rc(sav) | 0xc, "%f12" }, | |
126 | { rc(fpr) | rc(sav) | 0xd, "%f13" }, | |
127 | { rc(fpr) | rc(arg) | 0x6, "%f6" }, | |
128 | { rc(fpr) | rc(arg) | 0x4, "%f4" }, | |
129 | { rc(fpr) | rc(arg) | 0x2, "%f2" }, | |
130 | { rc(fpr) | rc(arg) | 0x0, "%f0" }, | |
131 | { _NOREG, "<none>" }, | |
132 | }; | |
133 | ||
134 | /* | |
135 | * Implementation | |
136 | */ | |
137 | void | |
138 | jit_get_cpu(void) | |
139 | { | |
140 | } | |
141 | ||
142 | void | |
143 | _jit_init(jit_state_t *_jit) | |
144 | { | |
145 | _jitc->reglen = jit_size(_rvs) - 1; | |
146 | } | |
147 | ||
148 | void | |
149 | _jit_prolog(jit_state_t *_jit) | |
150 | { | |
151 | jit_int32_t offset; | |
152 | ||
153 | if (_jitc->function) | |
154 | jit_epilog(); | |
155 | assert(jit_regset_cmp_ui(&_jitc->regarg, 0) == 0); | |
156 | jit_regset_set_ui(&_jitc->regsav, 0); | |
157 | offset = _jitc->functions.offset; | |
158 | if (offset >= _jitc->functions.length) { | |
159 | jit_realloc((jit_pointer_t *)&_jitc->functions.ptr, | |
160 | _jitc->functions.length * sizeof(jit_function_t), | |
161 | (_jitc->functions.length + 16) * sizeof(jit_function_t)); | |
162 | _jitc->functions.length += 16; | |
163 | } | |
164 | _jitc->function = _jitc->functions.ptr + _jitc->functions.offset++; | |
165 | _jitc->function->self.size = stack_framesize; | |
166 | _jitc->function->self.argi = _jitc->function->self.argf = | |
167 | _jitc->function->self.aoff = _jitc->function->self.alen = 0; | |
168 | /* preallocate 8 bytes if not using a constant data buffer */ | |
169 | if (_jitc->no_data) | |
170 | _jitc->function->self.aoff = -8; | |
171 | _jitc->function->self.call = jit_call_default; | |
172 | jit_alloc((jit_pointer_t *)&_jitc->function->regoff, | |
173 | _jitc->reglen * sizeof(jit_int32_t)); | |
174 | ||
175 | /* _no_link here does not mean the jit_link() call can be removed | |
176 | * by rewriting as: | |
177 | * _jitc->function->prolog = jit_new_node(jit_code_prolog); | |
178 | */ | |
179 | _jitc->function->prolog = jit_new_node_no_link(jit_code_prolog); | |
180 | jit_link(_jitc->function->prolog); | |
181 | _jitc->function->prolog->w.w = offset; | |
182 | _jitc->function->epilog = jit_new_node_no_link(jit_code_epilog); | |
183 | /* u: label value | |
184 | * v: offset in blocks vector | |
185 | * w: offset in functions vector | |
186 | */ | |
187 | _jitc->function->epilog->w.w = offset; | |
188 | ||
189 | jit_regset_new(&_jitc->function->regset); | |
190 | } | |
191 | ||
192 | jit_int32_t | |
193 | _jit_allocai(jit_state_t *_jit, jit_int32_t length) | |
194 | { | |
195 | assert(_jitc->function); | |
196 | switch (length) { | |
197 | case 0: case 1: break; | |
198 | case 2: _jitc->function->self.aoff &= -2; break; | |
199 | case 3: case 4: _jitc->function->self.aoff &= -4; break; | |
200 | default: _jitc->function->self.aoff &= -8; break; | |
201 | } | |
202 | _jitc->function->self.aoff -= length; | |
203 | if (!_jitc->realize) { | |
204 | jit_inc_synth_ww(allocai, _jitc->function->self.aoff, length); | |
205 | jit_dec_synth(); | |
206 | } | |
207 | return (_jitc->function->self.aoff); | |
208 | } | |
209 | ||
210 | void | |
211 | _jit_allocar(jit_state_t *_jit, jit_int32_t u, jit_int32_t v) | |
212 | { | |
213 | jit_int32_t reg; | |
214 | assert(_jitc->function); | |
215 | jit_inc_synth_ww(allocar, u, v); | |
216 | if (!_jitc->function->allocar) { | |
217 | _jitc->function->aoffoff = jit_allocai(sizeof(jit_int32_t)); | |
218 | _jitc->function->allocar = 1; | |
219 | } | |
220 | reg = jit_get_reg(jit_class_gpr); | |
221 | jit_negr(reg, v); | |
222 | jit_andi(reg, reg, -8); | |
223 | jit_ldxi_i(u, JIT_FP, _jitc->function->aoffoff); | |
224 | jit_addr(u, u, reg); | |
225 | jit_addr(JIT_SP, JIT_SP, reg); | |
226 | jit_stxi_i(_jitc->function->aoffoff, JIT_FP, u); | |
227 | jit_unget_reg(reg); | |
228 | jit_dec_synth(); | |
229 | } | |
230 | ||
231 | void | |
232 | _jit_ret(jit_state_t *_jit) | |
233 | { | |
234 | jit_node_t *instr; | |
235 | assert(_jitc->function); | |
236 | jit_inc_synth(ret); | |
237 | /* jump to epilog */ | |
238 | instr = jit_jmpi(); | |
239 | jit_patch_at(instr, _jitc->function->epilog); | |
240 | jit_dec_synth(); | |
241 | } | |
242 | ||
243 | void | |
244 | _jit_retr(jit_state_t *_jit, jit_int32_t u) | |
245 | { | |
246 | jit_inc_synth_w(retr, u); | |
247 | jit_movr(JIT_RET, u); | |
248 | jit_ret(); | |
249 | jit_dec_synth(); | |
250 | } | |
251 | ||
252 | void | |
253 | _jit_reti(jit_state_t *_jit, jit_word_t u) | |
254 | { | |
255 | jit_inc_synth_w(reti, u); | |
256 | jit_movi(JIT_RET, u); | |
257 | jit_ret(); | |
258 | jit_dec_synth(); | |
259 | } | |
260 | ||
261 | void | |
262 | _jit_retr_f(jit_state_t *_jit, jit_int32_t u) | |
263 | { | |
264 | jit_inc_synth_w(retr_f, u); | |
265 | jit_movr_f(JIT_FRET, u); | |
266 | jit_ret(); | |
267 | jit_dec_synth(); | |
268 | } | |
269 | ||
270 | void | |
271 | _jit_reti_f(jit_state_t *_jit, jit_float32_t u) | |
272 | { | |
273 | jit_inc_synth_f(reti_f, u); | |
274 | jit_movi_f(JIT_FRET, u); | |
275 | jit_ret(); | |
276 | jit_dec_synth(); | |
277 | } | |
278 | ||
279 | void | |
280 | _jit_retr_d(jit_state_t *_jit, jit_int32_t u) | |
281 | { | |
282 | jit_inc_synth_w(retr_d, u); | |
283 | jit_movr_d(JIT_FRET, u); | |
284 | jit_ret(); | |
285 | jit_dec_synth(); | |
286 | } | |
287 | ||
288 | void | |
289 | _jit_reti_d(jit_state_t *_jit, jit_float64_t u) | |
290 | { | |
291 | jit_inc_synth_d(reti_d, u); | |
292 | jit_movi_d(JIT_FRET, u); | |
293 | jit_ret(); | |
294 | jit_dec_synth(); | |
295 | } | |
296 | ||
297 | void | |
298 | _jit_epilog(jit_state_t *_jit) | |
299 | { | |
300 | assert(_jitc->function); | |
301 | assert(_jitc->function->epilog->next == NULL); | |
302 | jit_link(_jitc->function->epilog); | |
303 | _jitc->function = NULL; | |
304 | } | |
305 | ||
306 | jit_bool_t | |
307 | _jit_arg_register_p(jit_state_t *_jit, jit_node_t *u) | |
308 | { | |
309 | if (u->code == jit_code_arg) | |
310 | return (jit_arg_reg_p(u->u.w)); | |
311 | assert(u->code == jit_code_arg_f || u->code == jit_code_arg_d); | |
312 | return (jit_arg_f_reg_p(u->u.w)); | |
313 | } | |
314 | ||
315 | void | |
316 | _jit_ellipsis(jit_state_t *_jit) | |
317 | { | |
318 | jit_inc_synth(ellipsis); | |
319 | if (_jitc->prepare) { | |
320 | jit_link_prepare(); | |
321 | assert(!(_jitc->function->call.call & jit_call_varargs)); | |
322 | _jitc->function->call.call |= jit_call_varargs; | |
323 | } | |
324 | else { | |
325 | jit_link_prolog(); | |
326 | assert(!(_jitc->function->self.call & jit_call_varargs)); | |
327 | _jitc->function->self.call |= jit_call_varargs; | |
328 | ||
329 | /* Allocate va_list like object in the stack. */ | |
330 | _jitc->function->vaoff = jit_allocai(sizeof(jit_va_list_t)); | |
331 | ||
332 | /* Initialize gp offset in save area. */ | |
333 | if (jit_arg_reg_p(_jitc->function->self.argi)) | |
334 | _jitc->function->vagp = _jitc->function->self.argi; | |
335 | else | |
336 | _jitc->function->vagp = 5; | |
337 | ||
338 | /* Initialize fp offset in save area. */ | |
339 | if (jit_arg_f_reg_p(_jitc->function->self.argf)) | |
340 | _jitc->function->vafp = _jitc->function->self.argf; | |
341 | else | |
342 | _jitc->function->vafp = NUM_FLOAT_REG_ARGS; | |
343 | } | |
344 | jit_dec_synth(); | |
345 | } | |
346 | ||
347 | void | |
348 | _jit_va_push(jit_state_t *_jit, jit_int32_t u) | |
349 | { | |
350 | jit_inc_synth_w(va_push, u); | |
351 | jit_pushargr(u); | |
352 | jit_dec_synth(); | |
353 | } | |
354 | ||
355 | jit_node_t * | |
356 | _jit_arg(jit_state_t *_jit) | |
357 | { | |
358 | jit_node_t *node; | |
359 | jit_int32_t offset; | |
360 | assert(_jitc->function); | |
361 | if (jit_arg_reg_p(_jitc->function->self.argi)) | |
362 | offset = _jitc->function->self.argi++; | |
363 | else { | |
364 | offset = _jitc->function->self.size; | |
365 | _jitc->function->self.size += sizeof(jit_word_t); | |
366 | } | |
367 | node = jit_new_node_ww(jit_code_arg, offset, | |
368 | ++_jitc->function->self.argn); | |
369 | jit_link_prolog(); | |
370 | return (node); | |
371 | } | |
372 | ||
373 | jit_node_t * | |
374 | _jit_arg_f(jit_state_t *_jit) | |
375 | { | |
376 | jit_node_t *node; | |
377 | jit_int32_t offset; | |
378 | assert(_jitc->function); | |
379 | if (jit_arg_f_reg_p(_jitc->function->self.argf)) | |
380 | offset = _jitc->function->self.argf++; | |
381 | else { | |
382 | offset = _jitc->function->self.size; | |
383 | _jitc->function->self.size += sizeof(jit_word_t); | |
384 | } | |
385 | node = jit_new_node_ww(jit_code_arg_f, offset, | |
386 | ++_jitc->function->self.argn); | |
387 | jit_link_prolog(); | |
388 | return (node); | |
389 | } | |
390 | ||
391 | jit_node_t * | |
392 | _jit_arg_d(jit_state_t *_jit) | |
393 | { | |
394 | jit_node_t *node; | |
395 | jit_int32_t offset; | |
396 | assert(_jitc->function); | |
397 | if (jit_arg_f_reg_p(_jitc->function->self.argf)) | |
398 | offset = _jitc->function->self.argf++; | |
399 | else { | |
400 | offset = _jitc->function->self.size; | |
401 | _jitc->function->self.size += sizeof(jit_float64_t); | |
402 | } | |
403 | node = jit_new_node_ww(jit_code_arg_d, offset, | |
404 | ++_jitc->function->self.argn); | |
405 | jit_link_prolog(); | |
406 | return (node); | |
407 | } | |
408 | ||
409 | void | |
410 | _jit_getarg_c(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) | |
411 | { | |
412 | assert(v->code == jit_code_arg); | |
413 | jit_inc_synth_wp(getarg_c, u, v); | |
414 | if (jit_arg_reg_p(v->u.w)) | |
415 | jit_extr_c(u, _R2 - v->u.w); | |
416 | else | |
417 | jit_ldxi_c(u, JIT_FP, | |
418 | v->u.w + (__WORDSIZE >> 3) - sizeof(jit_int8_t)); | |
419 | jit_dec_synth(); | |
420 | } | |
421 | ||
422 | void | |
423 | _jit_getarg_uc(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) | |
424 | { | |
425 | assert(v->code == jit_code_arg); | |
426 | jit_inc_synth_wp(getarg_uc, u, v); | |
427 | if (jit_arg_reg_p(v->u.w)) | |
428 | jit_extr_uc(u, _R2 - v->u.w); | |
429 | else | |
430 | jit_ldxi_uc(u, JIT_FP, | |
431 | v->u.w + (__WORDSIZE >> 3) - sizeof(jit_uint8_t)); | |
432 | jit_dec_synth(); | |
433 | } | |
434 | ||
435 | void | |
436 | _jit_getarg_s(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) | |
437 | { | |
438 | assert(v->code == jit_code_arg); | |
439 | jit_inc_synth_wp(getarg_s, u, v); | |
440 | if (jit_arg_reg_p(v->u.w)) | |
441 | jit_extr_s(u, _R2 - v->u.w); | |
442 | else | |
443 | jit_ldxi_s(u, JIT_FP, | |
444 | v->u.w + (__WORDSIZE >> 3) - sizeof(jit_int16_t)); | |
445 | jit_dec_synth(); | |
446 | } | |
447 | ||
448 | void | |
449 | _jit_getarg_us(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) | |
450 | { | |
451 | assert(v->code == jit_code_arg); | |
452 | jit_inc_synth_wp(getarg_us, u, v); | |
453 | if (jit_arg_reg_p(v->u.w)) | |
454 | jit_extr_us(u, _R2 - v->u.w); | |
455 | else | |
456 | jit_ldxi_us(u, JIT_FP, | |
457 | v->u.w + (__WORDSIZE >> 3) - sizeof(jit_uint16_t)); | |
458 | jit_dec_synth(); | |
459 | } | |
460 | ||
461 | void | |
462 | _jit_getarg_i(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) | |
463 | { | |
464 | assert(v->code == jit_code_arg); | |
465 | jit_inc_synth_wp(getarg_i, u, v); | |
466 | if (jit_arg_reg_p(v->u.w)) { | |
467 | #if __WORDSIZE == 32 | |
468 | jit_movr(u, _R2 - v->u.w); | |
469 | #else | |
470 | jit_extr_i(u, _R2 - v->u.w); | |
471 | #endif | |
472 | } | |
473 | else | |
474 | jit_ldxi_i(u, JIT_FP, | |
475 | v->u.w + (__WORDSIZE >> 3) - sizeof(jit_int32_t)); | |
476 | jit_dec_synth(); | |
477 | } | |
478 | ||
479 | #if __WORDSIZE == 64 | |
480 | void | |
481 | _jit_getarg_ui(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) | |
482 | { | |
483 | assert(v->code == jit_code_arg); | |
484 | jit_inc_synth_wp(getarg_ui, u, v); | |
485 | if (jit_arg_reg_p(v->u.w)) | |
486 | jit_extr_ui(u, _R2 - v->u.w); | |
487 | else | |
488 | jit_ldxi_ui(u, JIT_FP, | |
489 | v->u.w + (__WORDSIZE >> 3) - sizeof(jit_uint32_t)); | |
490 | jit_dec_synth(); | |
491 | } | |
492 | ||
493 | void | |
494 | _jit_getarg_l(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) | |
495 | { | |
496 | assert(v->code == jit_code_arg); | |
497 | jit_inc_synth_wp(getarg_l, u, v); | |
498 | if (jit_arg_reg_p(v->u.w)) | |
499 | jit_movr(u, _R2 - v->u.w); | |
500 | else | |
501 | jit_ldxi_l(u, JIT_FP, v->u.w); | |
502 | jit_dec_synth(); | |
503 | } | |
504 | #endif | |
505 | ||
506 | void | |
507 | _jit_putargr(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) | |
508 | { | |
509 | assert(v->code == jit_code_arg); | |
510 | jit_inc_synth_wp(putargr, u, v); | |
511 | if (jit_arg_reg_p(v->u.w)) | |
512 | jit_movr(_R2 - v->u.w, u); | |
513 | else | |
514 | jit_stxi(v->u.w, JIT_FP, u); | |
515 | jit_dec_synth(); | |
516 | } | |
517 | ||
518 | void | |
519 | _jit_putargi(jit_state_t *_jit, jit_word_t u, jit_node_t *v) | |
520 | { | |
521 | jit_int32_t regno; | |
522 | assert(v->code == jit_code_arg); | |
523 | jit_inc_synth_wp(putargi, u, v); | |
524 | if (jit_arg_reg_p(v->u.w)) | |
525 | jit_movi(_R2 - v->u.w, u); | |
526 | else { | |
527 | regno = jit_get_reg(jit_class_gpr); | |
528 | jit_movi(regno, u); | |
529 | jit_stxi(v->u.w, JIT_FP, regno); | |
530 | jit_unget_reg(regno); | |
531 | } | |
532 | jit_dec_synth(); | |
533 | } | |
534 | ||
535 | void | |
536 | _jit_getarg_f(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) | |
537 | { | |
538 | assert(v->code == jit_code_arg_f); | |
539 | jit_inc_synth_wp(getarg_f, u, v); | |
540 | if (jit_arg_f_reg_p(v->u.w)) | |
541 | jit_movr_f(u, _F0 - v->u.w); | |
542 | else | |
543 | jit_ldxi_f(u, JIT_FP, | |
544 | v->u.w | |
545 | #if __WORDSIZE == 64 | |
546 | + (__WORDSIZE >> 3) - sizeof(jit_float32_t) | |
547 | #endif | |
548 | ); | |
549 | jit_dec_synth(); | |
550 | } | |
551 | ||
552 | void | |
553 | _jit_putargr_f(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) | |
554 | { | |
555 | assert(v->code == jit_code_arg_f); | |
556 | jit_inc_synth_wp(putargr_f, u, v); | |
557 | if (jit_arg_f_reg_p(v->u.w)) | |
558 | jit_movr_f(_F0 - v->u.w, u); | |
559 | else | |
560 | jit_stxi_f(v->u.w | |
561 | #if __WORDSIZE == 64 | |
562 | + (__WORDSIZE >> 3) - sizeof(jit_float32_t) | |
563 | #endif | |
564 | , JIT_FP, u); | |
565 | jit_dec_synth(); | |
566 | } | |
567 | ||
568 | void | |
569 | _jit_putargi_f(jit_state_t *_jit, jit_float32_t u, jit_node_t *v) | |
570 | { | |
571 | jit_int32_t regno; | |
572 | assert(v->code == jit_code_arg_f); | |
573 | jit_inc_synth_fp(putargi_f, u, v); | |
574 | if (jit_arg_f_reg_p(v->u.w)) | |
575 | jit_movi_f(_F0 - v->u.w, u); | |
576 | else { | |
577 | regno = jit_get_reg(jit_class_fpr); | |
578 | jit_movi_f(regno, u); | |
579 | jit_stxi_f(v->u.w | |
580 | #if __WORDSIZE == 64 | |
581 | + (__WORDSIZE >> 3) - sizeof(jit_float32_t) | |
582 | #endif | |
583 | , JIT_FP, regno); | |
584 | jit_unget_reg(regno); | |
585 | } | |
586 | jit_dec_synth(); | |
587 | } | |
588 | ||
589 | void | |
590 | _jit_getarg_d(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) | |
591 | { | |
592 | assert(v->code == jit_code_arg_d); | |
593 | jit_inc_synth_wp(getarg_d, u, v); | |
594 | if (jit_arg_f_reg_p(v->u.w)) | |
595 | jit_movr_d(u, _F0 - v->u.w); | |
596 | else | |
597 | jit_ldxi_d(u, JIT_FP, v->u.w); | |
598 | jit_dec_synth(); | |
599 | } | |
600 | ||
601 | void | |
602 | _jit_putargr_d(jit_state_t *_jit, jit_int32_t u, jit_node_t *v) | |
603 | { | |
604 | assert(v->code == jit_code_arg_d); | |
605 | jit_inc_synth_wp(putargr_d, u, v); | |
606 | if (jit_arg_f_reg_p(v->u.w)) | |
607 | jit_movr_d(_F0 - v->u.w, u); | |
608 | else | |
609 | jit_stxi_d(v->u.w, JIT_FP, u); | |
610 | jit_dec_synth(); | |
611 | } | |
612 | ||
613 | void | |
614 | _jit_putargi_d(jit_state_t *_jit, jit_float64_t u, jit_node_t *v) | |
615 | { | |
616 | jit_int32_t regno; | |
617 | assert(v->code == jit_code_arg_d); | |
618 | jit_inc_synth_dp(putargi_d, u, v); | |
619 | if (jit_arg_f_reg_p(v->u.w)) | |
620 | jit_movi_d(_F0 - v->u.w, u); | |
621 | else { | |
622 | regno = jit_get_reg(jit_class_fpr); | |
623 | jit_movi_d(regno, u); | |
624 | jit_stxi_d(v->u.w, JIT_FP, regno); | |
625 | jit_unget_reg(regno); | |
626 | } | |
627 | jit_dec_synth(); | |
628 | } | |
629 | ||
630 | void | |
631 | _jit_pushargr(jit_state_t *_jit, jit_int32_t u) | |
632 | { | |
633 | assert(_jitc->function); | |
634 | jit_inc_synth_w(pushargr, u); | |
635 | jit_link_prepare(); | |
636 | if (jit_arg_reg_p(_jitc->function->call.argi)) { | |
637 | jit_movr(_R2 - _jitc->function->call.argi, u); | |
638 | ++_jitc->function->call.argi; | |
639 | } | |
640 | else { | |
641 | jit_stxi(_jitc->function->call.size + stack_framesize, JIT_SP, u); | |
642 | _jitc->function->call.size += sizeof(jit_word_t); | |
643 | } | |
644 | jit_dec_synth(); | |
645 | } | |
646 | ||
647 | void | |
648 | _jit_pushargi(jit_state_t *_jit, jit_word_t u) | |
649 | { | |
650 | jit_int32_t regno; | |
651 | assert(_jitc->function); | |
652 | jit_inc_synth_w(pushargi, u); | |
653 | jit_link_prepare(); | |
654 | if (jit_arg_reg_p(_jitc->function->call.argi)) { | |
655 | jit_movi(_R2 - _jitc->function->call.argi, u); | |
656 | ++_jitc->function->call.argi; | |
657 | } | |
658 | else { | |
659 | regno = jit_get_reg(jit_class_gpr); | |
660 | jit_movi(regno, u); | |
661 | jit_stxi(_jitc->function->call.size + stack_framesize, JIT_SP, regno); | |
662 | jit_unget_reg(regno); | |
663 | _jitc->function->call.size += sizeof(jit_word_t); | |
664 | } | |
665 | jit_dec_synth(); | |
666 | } | |
667 | ||
668 | void | |
669 | _jit_pushargr_f(jit_state_t *_jit, jit_int32_t u) | |
670 | { | |
671 | assert(_jitc->function); | |
672 | jit_inc_synth_w(pushargr_f, u); | |
673 | jit_link_prepare(); | |
674 | if (jit_arg_f_reg_p(_jitc->function->call.argf)) { | |
675 | jit_movr_f(_F0 - _jitc->function->call.argf, u); | |
676 | ++_jitc->function->call.argf; | |
677 | } | |
678 | else { | |
679 | jit_stxi_f(_jitc->function->call.size + stack_framesize | |
680 | #if __WORDSIZE == 64 | |
681 | + (__WORDSIZE >> 3) - sizeof(jit_float32_t) | |
682 | #endif | |
683 | , JIT_SP, u); | |
684 | _jitc->function->call.size += sizeof(jit_word_t); | |
685 | } | |
686 | jit_dec_synth(); | |
687 | } | |
688 | ||
689 | void | |
690 | _jit_pushargi_f(jit_state_t *_jit, jit_float32_t u) | |
691 | { | |
692 | jit_int32_t regno; | |
693 | assert(_jitc->function); | |
694 | jit_inc_synth_f(pushargi_f, u); | |
695 | jit_link_prepare(); | |
696 | if (jit_arg_f_reg_p(_jitc->function->call.argf)) { | |
697 | jit_movi_f(_F0 - _jitc->function->call.argf, u); | |
698 | ++_jitc->function->call.argf; | |
699 | } | |
700 | else { | |
701 | regno = jit_get_reg(jit_class_fpr); | |
702 | jit_movi_f(regno, u); | |
703 | jit_stxi_f(_jitc->function->call.size + stack_framesize | |
704 | #if __WORDSIZE == 64 | |
705 | + (__WORDSIZE >> 3) - sizeof(jit_float32_t) | |
706 | #endif | |
707 | , JIT_SP, regno); | |
708 | jit_unget_reg(regno); | |
709 | _jitc->function->call.size += sizeof(jit_word_t); | |
710 | } | |
711 | jit_dec_synth(); | |
712 | } | |
713 | ||
714 | void | |
715 | _jit_pushargr_d(jit_state_t *_jit, jit_int32_t u) | |
716 | { | |
717 | assert(_jitc->function); | |
718 | jit_inc_synth_w(pushargr_d, u); | |
719 | jit_link_prepare(); | |
720 | if (jit_arg_f_reg_p(_jitc->function->call.argf)) { | |
721 | jit_movr_d(_F0 - _jitc->function->call.argf, u); | |
722 | ++_jitc->function->call.argf; | |
723 | } | |
724 | else { | |
725 | jit_stxi_d(_jitc->function->call.size + stack_framesize, JIT_SP, u); | |
726 | _jitc->function->call.size += sizeof(jit_float64_t); | |
727 | } | |
728 | jit_dec_synth(); | |
729 | } | |
730 | ||
731 | void | |
732 | _jit_pushargi_d(jit_state_t *_jit, jit_float64_t u) | |
733 | { | |
734 | jit_int32_t regno; | |
735 | assert(_jitc->function); | |
736 | jit_inc_synth_d(pushargi_d, u); | |
737 | jit_link_prepare(); | |
738 | if (jit_arg_f_reg_p(_jitc->function->call.argf)) { | |
739 | jit_movi_d(_F0 - _jitc->function->call.argf, u); | |
740 | ++_jitc->function->call.argf; | |
741 | } | |
742 | else { | |
743 | regno = jit_get_reg(jit_class_fpr); | |
744 | jit_movi_d(regno, u); | |
745 | jit_stxi_d(_jitc->function->call.size + stack_framesize, JIT_SP, regno); | |
746 | jit_unget_reg(regno); | |
747 | _jitc->function->call.size += sizeof(jit_float64_t); | |
748 | } | |
749 | jit_dec_synth(); | |
750 | } | |
751 | ||
752 | jit_bool_t | |
753 | _jit_regarg_p(jit_state_t *_jit, jit_node_t *node, jit_int32_t regno) | |
754 | { | |
755 | jit_int32_t spec; | |
756 | spec = jit_class(_rvs[regno].spec); | |
757 | if (spec & jit_class_arg) { | |
758 | regno = _R2 - regno; | |
759 | if (regno >= 0 && regno < node->v.w) | |
760 | return (1); | |
761 | if (spec & jit_class_fpr) { | |
762 | regno = _F0 - regno; | |
763 | if (regno >= 0 && regno < node->w.w) | |
764 | return (1); | |
765 | } | |
766 | } | |
767 | return (0); | |
768 | } | |
769 | ||
770 | void | |
771 | _jit_finishr(jit_state_t *_jit, jit_int32_t r0) | |
772 | { | |
773 | jit_node_t *call; | |
774 | assert(_jitc->function); | |
775 | jit_inc_synth_w(finishr, r0); | |
776 | if (_jitc->function->self.alen < _jitc->function->call.size) | |
777 | _jitc->function->self.alen = _jitc->function->call.size; | |
778 | call = jit_callr(r0); | |
779 | call->v.w = _jitc->function->call.argi; | |
780 | call->w.w = _jitc->function->call.argf; | |
781 | _jitc->function->call.argi = _jitc->function->call.argf = | |
782 | _jitc->function->call.size = 0; | |
783 | _jitc->prepare = 0; | |
784 | jit_dec_synth(); | |
785 | } | |
786 | ||
787 | jit_node_t * | |
788 | _jit_finishi(jit_state_t *_jit, jit_pointer_t i0) | |
789 | { | |
790 | jit_node_t *node; | |
791 | assert(_jitc->function); | |
792 | jit_inc_synth_w(finishi, (jit_word_t)i0); | |
793 | if (_jitc->function->self.alen < _jitc->function->call.size) | |
794 | _jitc->function->self.alen = _jitc->function->call.size; | |
795 | node = jit_calli(i0); | |
796 | node->v.w = _jitc->function->call.argi; | |
797 | node->w.w = _jitc->function->call.argf; | |
798 | _jitc->function->call.argi = _jitc->function->call.argf = | |
799 | _jitc->function->call.size = 0; | |
800 | _jitc->prepare = 0; | |
801 | jit_dec_synth(); | |
802 | return (node); | |
803 | } | |
804 | ||
805 | void | |
806 | _jit_retval_c(jit_state_t *_jit, jit_int32_t r0) | |
807 | { | |
808 | jit_inc_synth_w(retval_c, r0); | |
809 | jit_extr_c(r0, JIT_RET); | |
810 | jit_dec_synth(); | |
811 | } | |
812 | ||
813 | void | |
814 | _jit_retval_uc(jit_state_t *_jit, jit_int32_t r0) | |
815 | { | |
816 | jit_inc_synth_w(retval_uc, r0); | |
817 | jit_extr_uc(r0, JIT_RET); | |
818 | jit_dec_synth(); | |
819 | } | |
820 | ||
821 | void | |
822 | _jit_retval_s(jit_state_t *_jit, jit_int32_t r0) | |
823 | { | |
824 | jit_inc_synth_w(retval_s, r0); | |
825 | jit_extr_s(r0, JIT_RET); | |
826 | jit_dec_synth(); | |
827 | } | |
828 | ||
829 | void | |
830 | _jit_retval_us(jit_state_t *_jit, jit_int32_t r0) | |
831 | { | |
832 | jit_inc_synth_w(retval_us, r0); | |
833 | jit_extr_us(r0, JIT_RET); | |
834 | jit_dec_synth(); | |
835 | } | |
836 | ||
837 | void | |
838 | _jit_retval_i(jit_state_t *_jit, jit_int32_t r0) | |
839 | { | |
840 | jit_inc_synth_w(retval_i, r0); | |
841 | #if __WORDSIZE == 64 | |
842 | jit_extr_i(r0, JIT_RET); | |
843 | #else | |
844 | jit_movr(r0, JIT_RET); | |
845 | #endif | |
846 | jit_dec_synth(); | |
847 | } | |
848 | ||
849 | #if __WORDSIZE == 64 | |
850 | void | |
851 | _jit_retval_ui(jit_state_t *_jit, jit_int32_t r0) | |
852 | { | |
853 | jit_inc_synth_w(retval_ui, r0); | |
854 | jit_extr_ui(r0, JIT_RET); | |
855 | jit_dec_synth(); | |
856 | } | |
857 | ||
858 | void | |
859 | _jit_retval_l(jit_state_t *_jit, jit_int32_t r0) | |
860 | { | |
861 | jit_inc_synth_w(retval_l, r0); | |
862 | jit_movr(r0, JIT_RET); | |
863 | jit_dec_synth(); | |
864 | } | |
865 | #endif | |
866 | ||
867 | void | |
868 | _jit_retval_f(jit_state_t *_jit, jit_int32_t r0) | |
869 | { | |
870 | jit_inc_synth_w(retval_f, r0); | |
871 | jit_movr_f(r0, JIT_FRET); | |
872 | jit_dec_synth(); | |
873 | } | |
874 | ||
875 | void | |
876 | _jit_retval_d(jit_state_t *_jit, jit_int32_t r0) | |
877 | { | |
878 | jit_inc_synth_w(retval_d, r0); | |
879 | jit_movr_d(r0, JIT_FRET); | |
880 | jit_dec_synth(); | |
881 | } | |
882 | ||
883 | jit_pointer_t | |
884 | _emit_code(jit_state_t *_jit) | |
885 | { | |
886 | jit_node_t *node; | |
887 | jit_node_t *temp; | |
888 | jit_word_t word; | |
889 | jit_int32_t value; | |
890 | jit_int32_t offset; | |
891 | struct { | |
892 | jit_node_t *node; | |
893 | jit_word_t word; | |
894 | #if DEVEL_DISASSEMBLER | |
895 | jit_word_t prevw; | |
896 | #endif | |
897 | jit_int32_t patch_offset; | |
898 | } undo; | |
899 | #if DEVEL_DISASSEMBLER | |
900 | jit_word_t prevw; | |
901 | #endif | |
902 | ||
903 | _jitc->function = NULL; | |
904 | ||
905 | jit_reglive_setup(); | |
906 | ||
907 | undo.word = 0; | |
908 | undo.node = NULL; | |
909 | undo.patch_offset = 0; | |
910 | ||
911 | #define assert_data(node) /**/ | |
912 | #define case_rr(name, type) \ | |
913 | case jit_code_##name##r##type: \ | |
914 | name##r##type(rn(node->u.w), rn(node->v.w)); \ | |
915 | break | |
916 | #define case_rw(name, type) \ | |
917 | case jit_code_##name##i##type: \ | |
918 | name##i##type(rn(node->u.w), node->v.w); \ | |
919 | break | |
920 | #define case_wr(name, type) \ | |
921 | case jit_code_##name##i##type: \ | |
922 | name##i##type(node->u.w, rn(node->v.w)); \ | |
923 | break | |
924 | #define case_rrr(name, type) \ | |
925 | case jit_code_##name##r##type: \ | |
926 | name##r##type(rn(node->u.w), \ | |
927 | rn(node->v.w), rn(node->w.w)); \ | |
928 | break | |
929 | #define case_rrrr(name, type) \ | |
930 | case jit_code_##name##r##type: \ | |
931 | name##r##type(rn(node->u.q.l), rn(node->u.q.h), \ | |
932 | rn(node->v.w), rn(node->w.w)); \ | |
933 | break | |
934 | #define case_rrw(name, type) \ | |
935 | case jit_code_##name##i##type: \ | |
936 | name##i##type(rn(node->u.w), rn(node->v.w), node->w.w); \ | |
937 | break | |
938 | #define case_rrrw(name, type) \ | |
939 | case jit_code_##name##i##type: \ | |
940 | name##i##type(rn(node->u.q.l), rn(node->u.q.h), \ | |
941 | rn(node->v.w), node->w.w); \ | |
942 | break | |
943 | #define case_rrf(name) \ | |
944 | case jit_code_##name##i_f: \ | |
945 | assert_data(node); \ | |
946 | name##i_f(rn(node->u.w), rn(node->v.w), \ | |
947 | (jit_float32_t *)node->w.n->u.w); \ | |
948 | break | |
949 | #define case_rrd(name) \ | |
950 | case jit_code_##name##i_d: \ | |
951 | assert_data(node); \ | |
952 | name##i_d(rn(node->u.w), rn(node->v.w), \ | |
953 | (jit_float64_t *)node->w.n->u.w); \ | |
954 | break | |
955 | #define case_wrr(name, type) \ | |
956 | case jit_code_##name##i##type: \ | |
957 | name##i##type(node->u.w, rn(node->v.w), rn(node->w.w)); \ | |
958 | break | |
959 | #define case_brr(name, type) \ | |
960 | case jit_code_##name##r##type: \ | |
961 | temp = node->u.n; \ | |
962 | assert(temp->code == jit_code_label || \ | |
963 | temp->code == jit_code_epilog); \ | |
964 | if (temp->flag & jit_flag_patch) \ | |
965 | name##r##type(temp->u.w, rn(node->v.w), \ | |
966 | rn(node->w.w)); \ | |
967 | else { \ | |
968 | word = name##r##type##_p(_jit->pc.w, \ | |
969 | rn(node->v.w), \ | |
970 | rn(node->w.w)); \ | |
971 | patch(word, node); \ | |
972 | } \ | |
973 | break | |
974 | #define case_brw(name, type) \ | |
975 | case jit_code_##name##i##type: \ | |
976 | temp = node->u.n; \ | |
977 | assert(temp->code == jit_code_label || \ | |
978 | temp->code == jit_code_epilog); \ | |
979 | if (temp->flag & jit_flag_patch) \ | |
980 | name##i##type(temp->u.w, \ | |
981 | rn(node->v.w), node->w.w); \ | |
982 | else { \ | |
983 | word = name##i##type##_p(_jit->pc.w, \ | |
984 | rn(node->v.w), node->w.w); \ | |
985 | patch(word, node); \ | |
986 | } \ | |
987 | break; | |
988 | #define case_brf(name) \ | |
989 | case jit_code_##name##i_f: \ | |
990 | temp = node->u.n; \ | |
991 | assert(temp->code == jit_code_label || \ | |
992 | temp->code == jit_code_epilog); \ | |
993 | if (temp->flag & jit_flag_patch) \ | |
994 | name##i_f(temp->u.w, rn(node->v.w), \ | |
995 | (jit_float32_t *)node->w.n->u.w); \ | |
996 | else { \ | |
997 | word = name##i_f_p(_jit->pc.w, rn(node->v.w), \ | |
998 | (jit_float32_t *)node->w.n->u.w);\ | |
999 | patch(word, node); \ | |
1000 | } \ | |
1001 | break | |
1002 | #define case_brd(name) \ | |
1003 | case jit_code_##name##i_d: \ | |
1004 | temp = node->u.n; \ | |
1005 | assert(temp->code == jit_code_label || \ | |
1006 | temp->code == jit_code_epilog); \ | |
1007 | if (temp->flag & jit_flag_patch) \ | |
1008 | name##i_d(temp->u.w, rn(node->v.w), \ | |
1009 | (jit_float64_t *)node->w.n->u.w); \ | |
1010 | else { \ | |
1011 | word = name##i_d_p(_jit->pc.w, rn(node->v.w), \ | |
1012 | (jit_float64_t *)node->w.n->u.w);\ | |
1013 | patch(word, node); \ | |
1014 | } \ | |
1015 | break | |
1016 | #if DEVEL_DISASSEMBLER | |
1017 | prevw = _jit->pc.w; | |
1018 | #endif | |
1019 | for (node = _jitc->head; node; node = node->next) { | |
1020 | if (_jit->pc.uc >= _jitc->code.end) | |
1021 | return (NULL); | |
1022 | ||
1023 | #if DEVEL_DISASSEMBLER | |
1024 | node->offset = (jit_uword_t)_jit->pc.w - (jit_uword_t)prevw; | |
1025 | prevw = _jit->pc.w; | |
1026 | #endif | |
1027 | value = jit_classify(node->code); | |
1028 | jit_regarg_set(node, value); | |
1029 | switch (node->code) { | |
1030 | case jit_code_align: | |
1031 | assert(!(node->u.w & (node->u.w - 1)) && | |
1032 | node->u.w <= sizeof(jit_word_t)); | |
1033 | if (node->u.w == sizeof(jit_word_t) && | |
1034 | (word = _jit->pc.w & (sizeof(jit_word_t) - 1))) | |
1035 | nop(sizeof(jit_word_t) - word); | |
1036 | break; | |
1037 | case jit_code_note: case jit_code_name: | |
1038 | node->u.w = _jit->pc.w; | |
1039 | break; | |
1040 | case jit_code_label: | |
1041 | if ((node->link || (node->flag & jit_flag_use)) && | |
1042 | (word = _jit->pc.w & 3)) | |
1043 | nop(4 - word); | |
1044 | /* remember label is defined */ | |
1045 | node->flag |= jit_flag_patch; | |
1046 | node->u.w = _jit->pc.w; | |
1047 | break; | |
1048 | case_rrr(add,); | |
1049 | case_rrw(add,); | |
1050 | case_rrr(addc,); | |
1051 | case_rrw(addc,); | |
1052 | case_rrr(addx,); | |
1053 | case_rrw(addx,); | |
1054 | case_rrr(sub,); | |
1055 | case_rrw(sub,); | |
1056 | case_rrr(subc,); | |
1057 | case_rrw(subc,); | |
1058 | case_rrr(subx,); | |
1059 | case_rrw(subx,); | |
1060 | case_rrw(rsb,); | |
1061 | case_rrr(mul,); | |
1062 | case_rrw(mul,); | |
1063 | case_rrrr(qmul,); | |
1064 | case_rrrw(qmul,); | |
1065 | case_rrrr(qmul, _u); | |
1066 | case_rrrw(qmul, _u); | |
1067 | case_rrr(div,); | |
1068 | case_rrw(div,); | |
1069 | case_rrr(div, _u); | |
1070 | case_rrw(div, _u); | |
1071 | case_rrr(rem,); | |
1072 | case_rrw(rem,); | |
1073 | case_rrr(rem, _u); | |
1074 | case_rrw(rem, _u); | |
1075 | case_rrrr(qdiv,); | |
1076 | case_rrrw(qdiv,); | |
1077 | case_rrrr(qdiv, _u); | |
1078 | case_rrrw(qdiv, _u); | |
1079 | case_rrr(lsh,); | |
1080 | case_rrw(lsh,); | |
1081 | case_rrr(rsh,); | |
1082 | case_rrw(rsh,); | |
1083 | case_rrr(rsh, _u); | |
1084 | case_rrw(rsh, _u); | |
1085 | case_rr(neg,); | |
1086 | case_rr(com,); | |
1087 | case_rrr(and,); | |
1088 | case_rrw(and,); | |
1089 | case_rrr(or,); | |
1090 | case_rrw(or,); | |
1091 | case_rrr(xor,); | |
1092 | case_rrw(xor,); | |
1093 | case_rr(trunc, _f_i); | |
1094 | case_rr(trunc, _d_i); | |
1095 | #if __WORDSIZE == 64 | |
1096 | case_rr(trunc, _f_l); | |
1097 | case_rr(trunc, _d_l); | |
1098 | #endif | |
1099 | case_rr(ld, _c); | |
1100 | case_rw(ld, _c); | |
1101 | case_rr(ld, _uc); | |
1102 | case_rw(ld, _uc); | |
1103 | case_rr(ld, _s); | |
1104 | case_rw(ld, _s); | |
1105 | case_rr(ld, _us); | |
1106 | case_rw(ld, _us); | |
1107 | case_rr(ld, _i); | |
1108 | case_rw(ld, _i); | |
1109 | #if __WORDSIZE == 64 | |
1110 | case_rr(ld, _ui); | |
1111 | case_rw(ld, _ui); | |
1112 | case_rr(ld, _l); | |
1113 | case_rw(ld, _l); | |
1114 | #endif | |
1115 | case_rrr(ldx, _c); | |
1116 | case_rrw(ldx, _c); | |
1117 | case_rrr(ldx, _uc); | |
1118 | case_rrw(ldx, _uc); | |
1119 | case_rrr(ldx, _s); | |
1120 | case_rrw(ldx, _s); | |
1121 | case_rrr(ldx, _us); | |
1122 | case_rrw(ldx, _us); | |
1123 | case_rrr(ldx, _i); | |
1124 | case_rrw(ldx, _i); | |
1125 | #if __WORDSIZE == 64 | |
1126 | case_rrr(ldx, _ui); | |
1127 | case_rrw(ldx, _ui); | |
1128 | case_rrr(ldx, _l); | |
1129 | case_rrw(ldx, _l); | |
1130 | #endif | |
1131 | case_rr(st, _c); | |
1132 | case_wr(st, _c); | |
1133 | case_rr(st, _s); | |
1134 | case_wr(st, _s); | |
1135 | case_rr(st, _i); | |
1136 | case_wr(st, _i); | |
1137 | #if __WORDSIZE == 64 | |
1138 | case_rr(st, _l); | |
1139 | case_wr(st, _l); | |
1140 | #endif | |
1141 | case_rrr(stx, _c); | |
1142 | case_wrr(stx, _c); | |
1143 | case_rrr(stx, _s); | |
1144 | case_wrr(stx, _s); | |
1145 | case_rrr(stx, _i); | |
1146 | case_wrr(stx, _i); | |
1147 | #if __WORDSIZE == 64 | |
1148 | case_rrr(stx, _l); | |
1149 | case_wrr(stx, _l); | |
1150 | #endif | |
1151 | case_rr(hton, _us); | |
1152 | case_rr(hton, _ui); | |
1153 | #if __WORDSIZE == 64 | |
1154 | case_rr(hton, _ul); | |
40a44dcb PC |
1155 | #endif |
1156 | case_rr(bswap, _us); | |
1157 | case_rr(bswap, _ui); | |
1158 | #if __WORDSIZE == 64 | |
1159 | case_rr(bswap, _ul); | |
4a71579b PC |
1160 | #endif |
1161 | case_rr(ext, _c); | |
1162 | case_rr(ext, _uc); | |
1163 | case_rr(ext, _s); | |
1164 | case_rr(ext, _us); | |
1165 | #if __WORDSIZE == 64 | |
1166 | case_rr(ext, _i); | |
1167 | case_rr(ext, _ui); | |
1168 | #endif | |
ba3814c1 PC |
1169 | case jit_code_casr: |
1170 | casr(rn(node->u.w), rn(node->v.w), | |
1171 | rn(node->w.q.l), rn(node->w.q.h)); | |
1172 | break; | |
1173 | case jit_code_casi: | |
1174 | casi(rn(node->u.w), node->v.w, | |
1175 | rn(node->w.q.l), rn(node->w.q.h)); | |
1176 | break; | |
40a44dcb PC |
1177 | case_rrr(movn,); |
1178 | case_rrr(movz,); | |
4a71579b PC |
1179 | case_rr(mov,); |
1180 | case jit_code_movi: | |
1181 | if (node->flag & jit_flag_node) { | |
1182 | temp = node->v.n; | |
1183 | if (temp->code == jit_code_data || | |
1184 | (temp->code == jit_code_label && | |
1185 | (temp->flag & jit_flag_patch))) | |
1186 | movi(rn(node->u.w), temp->u.w); | |
1187 | else { | |
1188 | assert(temp->code == jit_code_label || | |
1189 | temp->code == jit_code_epilog); | |
1190 | word = movi_p(rn(node->u.w), temp->u.w); | |
1191 | patch(word, node); | |
1192 | } | |
1193 | } | |
1194 | else | |
1195 | movi(rn(node->u.w), node->v.w); | |
1196 | break; | |
1197 | case_rrr(lt,); | |
1198 | case_rrw(lt,); | |
1199 | case_rrr(lt, _u); | |
1200 | case_rrw(lt, _u); | |
1201 | case_rrr(le,); | |
1202 | case_rrw(le,); | |
1203 | case_rrr(le, _u); | |
1204 | case_rrw(le, _u); | |
1205 | case_rrr(eq,); | |
1206 | case_rrw(eq,); | |
1207 | case_rrr(ge,); | |
1208 | case_rrw(ge,); | |
1209 | case_rrr(ge, _u); | |
1210 | case_rrw(ge, _u); | |
1211 | case_rrr(gt,); | |
1212 | case_rrw(gt,); | |
1213 | case_rrr(gt, _u); | |
1214 | case_rrw(gt, _u); | |
1215 | case_rrr(ne,); | |
1216 | case_rrw(ne,); | |
1217 | case_brr(blt,); | |
1218 | case_brw(blt,); | |
1219 | case_brr(blt, _u); | |
1220 | case_brw(blt, _u); | |
1221 | case_brr(ble,); | |
1222 | case_brw(ble,); | |
1223 | case_brr(ble, _u); | |
1224 | case_brw(ble, _u); | |
1225 | case_brr(beq,); | |
1226 | case_brw(beq,); | |
1227 | case_brr(bge,); | |
1228 | case_brw(bge,); | |
1229 | case_brr(bge, _u); | |
1230 | case_brw(bge, _u); | |
1231 | case_brr(bgt,); | |
1232 | case_brw(bgt,); | |
1233 | case_brr(bgt, _u); | |
1234 | case_brw(bgt, _u); | |
1235 | case_brr(bne,); | |
1236 | case_brw(bne,); | |
1237 | case_brr(boadd,); | |
1238 | case_brw(boadd,); | |
1239 | case_brr(boadd, _u); | |
1240 | case_brw(boadd, _u); | |
1241 | case_brr(bxadd,); | |
1242 | case_brw(bxadd,); | |
1243 | case_brr(bxadd, _u); | |
1244 | case_brw(bxadd, _u); | |
1245 | case_brr(bosub,); | |
1246 | case_brw(bosub,); | |
1247 | case_brr(bosub, _u); | |
1248 | case_brw(bosub, _u); | |
1249 | case_brr(bxsub,); | |
1250 | case_brw(bxsub,); | |
1251 | case_brr(bxsub, _u); | |
1252 | case_brw(bxsub, _u); | |
1253 | case_brr(bms,); | |
1254 | case_brw(bms,); | |
1255 | case_brr(bmc,); | |
1256 | case_brw(bmc,); | |
1257 | case_rrr(add, _f); | |
1258 | case_rrf(add); | |
1259 | case_rrr(sub, _f); | |
1260 | case_rrf(sub); | |
1261 | case_rrf(rsb); | |
1262 | case_rrr(mul, _f); | |
1263 | case_rrf(mul); | |
1264 | case_rrr(div, _f); | |
1265 | case_rrf(div); | |
1266 | case_rr(abs, _f); | |
1267 | case_rr(neg, _f); | |
1268 | case_rr(sqrt, _f); | |
1269 | case_rr(ext, _f); | |
1270 | case_rr(ld, _f); | |
1271 | case_rw(ld, _f); | |
1272 | case_rrr(ldx, _f); | |
1273 | case_rrw(ldx, _f); | |
1274 | case_rr(st, _f); | |
1275 | case_wr(st, _f); | |
1276 | case_rrr(stx, _f); | |
1277 | case_wrr(stx, _f); | |
1278 | case_rr(mov, _f); | |
1279 | case jit_code_movi_f: | |
1280 | assert_data(node); | |
1281 | movi_f(rn(node->u.w), (jit_float32_t *)node->v.n->u.w); | |
1282 | break; | |
1283 | case_rr(ext, _d_f); | |
1284 | case_rrr(lt, _f); | |
1285 | case_rrf(lt); | |
1286 | case_rrr(le, _f); | |
1287 | case_rrf(le); | |
1288 | case_rrr(eq, _f); | |
1289 | case_rrf(eq); | |
1290 | case_rrr(ge, _f); | |
1291 | case_rrf(ge); | |
1292 | case_rrr(gt, _f); | |
1293 | case_rrf(gt); | |
1294 | case_rrr(ne, _f); | |
1295 | case_rrf(ne); | |
1296 | case_rrr(unlt, _f); | |
1297 | case_rrf(unlt); | |
1298 | case_rrr(unle, _f); | |
1299 | case_rrf(unle); | |
1300 | case_rrr(uneq, _f); | |
1301 | case_rrf(uneq); | |
1302 | case_rrr(unge, _f); | |
1303 | case_rrf(unge); | |
1304 | case_rrr(ungt, _f); | |
1305 | case_rrf(ungt); | |
1306 | case_rrr(ltgt, _f); | |
1307 | case_rrf(ltgt); | |
1308 | case_rrr(ord, _f); | |
1309 | case_rrf(ord); | |
1310 | case_rrr(unord, _f); | |
1311 | case_rrf(unord); | |
1312 | case_brr(blt, _f); | |
1313 | case_brf(blt); | |
1314 | case_brr(ble, _f); | |
1315 | case_brf(ble); | |
1316 | case_brr(beq, _f); | |
1317 | case_brf(beq); | |
1318 | case_brr(bge, _f); | |
1319 | case_brf(bge); | |
1320 | case_brr(bgt, _f); | |
1321 | case_brf(bgt); | |
1322 | case_brr(bne, _f); | |
1323 | case_brf(bne); | |
1324 | case_brr(bunlt, _f); | |
1325 | case_brf(bunlt); | |
1326 | case_brr(bunle, _f); | |
1327 | case_brf(bunle); | |
1328 | case_brr(buneq, _f); | |
1329 | case_brf(buneq); | |
1330 | case_brr(bunge, _f); | |
1331 | case_brf(bunge); | |
1332 | case_brr(bungt, _f); | |
1333 | case_brf(bungt); | |
1334 | case_brr(bltgt, _f); | |
1335 | case_brf(bltgt); | |
1336 | case_brr(bord, _f); | |
1337 | case_brf(bord); | |
1338 | case_brr(bunord, _f); | |
1339 | case_brf(bunord); | |
1340 | case_rrr(add, _d); | |
1341 | case_rrd(add); | |
1342 | case_rrr(sub, _d); | |
1343 | case_rrd(sub); | |
1344 | case_rrd(rsb); | |
1345 | case_rrr(mul, _d); | |
1346 | case_rrd(mul); | |
1347 | case_rrr(div, _d); | |
1348 | case_rrd(div); | |
1349 | case_rr(abs, _d); | |
1350 | case_rr(neg, _d); | |
1351 | case_rr(sqrt, _d); | |
1352 | case_rr(ext, _d); | |
1353 | case_rr(ld, _d); | |
1354 | case_rw(ld, _d); | |
1355 | case_rrr(ldx, _d); | |
1356 | case_rrw(ldx, _d); | |
1357 | case_rr(st, _d); | |
1358 | case_wr(st, _d); | |
1359 | case_rrr(stx, _d); | |
1360 | case_wrr(stx, _d); | |
1361 | case_rr(mov, _d); | |
1362 | case jit_code_movi_d: | |
1363 | assert_data(node); | |
1364 | movi_d(rn(node->u.w), (jit_float64_t *)node->v.n->u.w); | |
1365 | break; | |
1366 | case_rr(ext, _f_d); | |
1367 | case_rrr(lt, _d); | |
1368 | case_rrd(lt); | |
1369 | case_rrr(le, _d); | |
1370 | case_rrd(le); | |
1371 | case_rrr(eq, _d); | |
1372 | case_rrd(eq); | |
1373 | case_rrr(ge, _d); | |
1374 | case_rrd(ge); | |
1375 | case_rrr(gt, _d); | |
1376 | case_rrd(gt); | |
1377 | case_rrr(ne, _d); | |
1378 | case_rrd(ne); | |
1379 | case_rrr(unlt, _d); | |
1380 | case_rrd(unlt); | |
1381 | case_rrr(unle, _d); | |
1382 | case_rrd(unle); | |
1383 | case_rrr(uneq, _d); | |
1384 | case_rrd(uneq); | |
1385 | case_rrr(unge, _d); | |
1386 | case_rrd(unge); | |
1387 | case_rrr(ungt, _d); | |
1388 | case_rrd(ungt); | |
1389 | case_rrr(ltgt, _d); | |
1390 | case_rrd(ltgt); | |
1391 | case_rrr(ord, _d); | |
1392 | case_rrd(ord); | |
1393 | case_rrr(unord, _d); | |
1394 | case_rrd(unord); | |
1395 | case_brr(blt, _d); | |
1396 | case_brd(blt); | |
1397 | case_brr(ble, _d); | |
1398 | case_brd(ble); | |
1399 | case_brr(beq, _d); | |
1400 | case_brd(beq); | |
1401 | case_brr(bge, _d); | |
1402 | case_brd(bge); | |
1403 | case_brr(bgt, _d); | |
1404 | case_brd(bgt); | |
1405 | case_brr(bne, _d); | |
1406 | case_brd(bne); | |
1407 | case_brr(bunlt, _d); | |
1408 | case_brd(bunlt); | |
1409 | case_brr(bunle, _d); | |
1410 | case_brd(bunle); | |
1411 | case_brr(buneq, _d); | |
1412 | case_brd(buneq); | |
1413 | case_brr(bunge, _d); | |
1414 | case_brd(bunge); | |
1415 | case_brr(bungt, _d); | |
1416 | case_brd(bungt); | |
1417 | case_brr(bltgt, _d); | |
1418 | case_brd(bltgt); | |
1419 | case_brr(bord, _d); | |
1420 | case_brd(bord); | |
1421 | case_brr(bunord, _d); | |
1422 | case_brd(bunord); | |
1423 | case jit_code_jmpr: | |
1424 | jmpr(rn(node->u.w)); | |
1425 | break; | |
1426 | case jit_code_jmpi: | |
1427 | if (node->flag & jit_flag_node) { | |
1428 | temp = node->u.n; | |
1429 | assert(temp->code == jit_code_label || | |
1430 | temp->code == jit_code_epilog); | |
1431 | if (temp->flag & jit_flag_patch) | |
1432 | jmpi(temp->u.w); | |
1433 | else { | |
1434 | word = jmpi_p(_jit->pc.w); | |
1435 | patch(word, node); | |
1436 | } | |
1437 | } | |
1438 | else | |
1439 | jmpi(node->u.w); | |
1440 | break; | |
1441 | case jit_code_callr: | |
1442 | callr(rn(node->u.w)); | |
1443 | break; | |
1444 | case jit_code_calli: | |
1445 | if (node->flag & jit_flag_node) { | |
1446 | temp = node->u.n; | |
1447 | assert(temp->code == jit_code_label || | |
1448 | temp->code == jit_code_epilog); | |
1449 | if (temp->flag & jit_flag_patch) | |
1450 | calli(temp->u.w); | |
1451 | else { | |
1452 | word = calli_p(_jit->pc.w); | |
1453 | patch(word, node); | |
1454 | } | |
1455 | } | |
1456 | else | |
1457 | calli(node->u.w); | |
1458 | break; | |
1459 | case jit_code_prolog: | |
1460 | _jitc->function = _jitc->functions.ptr + node->w.w; | |
1461 | undo.node = node; | |
1462 | undo.word = _jit->pc.w; | |
1463 | #if DEVEL_DISASSEMBLER | |
1464 | undo.prevw = prevw; | |
1465 | #endif | |
1466 | undo.patch_offset = _jitc->patches.offset; | |
1467 | restart_function: | |
1468 | _jitc->again = 0; | |
1469 | prolog(node); | |
1470 | break; | |
1471 | case jit_code_epilog: | |
1472 | assert(_jitc->function == _jitc->functions.ptr + node->w.w); | |
1473 | if (_jitc->again) { | |
1474 | for (temp = undo.node->next; | |
1475 | temp != node; temp = temp->next) { | |
1476 | if (temp->code == jit_code_label || | |
1477 | temp->code == jit_code_epilog) | |
1478 | temp->flag &= ~jit_flag_patch; | |
1479 | } | |
1480 | temp->flag &= ~jit_flag_patch; | |
1481 | node = undo.node; | |
1482 | _jit->pc.w = undo.word; | |
1483 | #if DEVEL_DISASSEMBLER | |
1484 | prevw = undo.prevw; | |
1485 | #endif | |
1486 | _jitc->patches.offset = undo.patch_offset; | |
1487 | goto restart_function; | |
1488 | } | |
1489 | if (node->link && (word = _jit->pc.w & 3)) | |
1490 | nop(4 - word); | |
1491 | /* remember label is defined */ | |
1492 | node->flag |= jit_flag_patch; | |
1493 | node->u.w = _jit->pc.w; | |
1494 | epilog(node); | |
1495 | _jitc->function = NULL; | |
1496 | break; | |
1497 | case jit_code_va_start: | |
1498 | vastart(rn(node->u.w)); | |
1499 | break; | |
1500 | case jit_code_va_arg: | |
1501 | vaarg(rn(node->u.w), rn(node->v.w)); | |
1502 | break; | |
1503 | case jit_code_va_arg_d: | |
1504 | vaarg_d(rn(node->u.w), rn(node->v.w)); | |
1505 | break; | |
1506 | case jit_code_live: case jit_code_ellipsis: | |
1507 | case jit_code_va_push: | |
1508 | case jit_code_allocai: case jit_code_allocar: | |
1509 | case jit_code_arg: | |
1510 | case jit_code_arg_f: case jit_code_arg_d: | |
1511 | case jit_code_va_end: | |
1512 | case jit_code_ret: | |
1513 | case jit_code_retr: case jit_code_reti: | |
1514 | case jit_code_retr_f: case jit_code_reti_f: | |
1515 | case jit_code_retr_d: case jit_code_reti_d: | |
1516 | case jit_code_getarg_c: case jit_code_getarg_uc: | |
1517 | case jit_code_getarg_s: case jit_code_getarg_us: | |
1518 | case jit_code_getarg_i: | |
1519 | #if __WORDSIZE == 64 | |
1520 | case jit_code_getarg_ui: case jit_code_getarg_l: | |
1521 | #endif | |
1522 | case jit_code_getarg_f: case jit_code_getarg_d: | |
1523 | case jit_code_putargr: case jit_code_putargi: | |
1524 | case jit_code_putargr_f: case jit_code_putargi_f: | |
1525 | case jit_code_putargr_d: case jit_code_putargi_d: | |
1526 | case jit_code_pushargr: case jit_code_pushargi: | |
1527 | case jit_code_pushargr_f: case jit_code_pushargi_f: | |
1528 | case jit_code_pushargr_d: case jit_code_pushargi_d: | |
1529 | case jit_code_retval_c: case jit_code_retval_uc: | |
1530 | case jit_code_retval_s: case jit_code_retval_us: | |
1531 | case jit_code_retval_i: | |
1532 | #if __WORDSIZE == 64 | |
1533 | case jit_code_retval_ui: case jit_code_retval_l: | |
1534 | #endif | |
1535 | case jit_code_retval_f: case jit_code_retval_d: | |
1536 | case jit_code_prepare: | |
1537 | case jit_code_finishr: case jit_code_finishi: | |
1538 | break; | |
1539 | default: | |
1540 | abort(); | |
1541 | } | |
1542 | jit_regarg_clr(node, value); | |
1543 | assert(_jitc->regarg == 0 && _jitc->synth == 0); | |
1544 | /* update register live state */ | |
1545 | jit_reglive(node); | |
1546 | } | |
1547 | #undef case_brw | |
1548 | #undef case_brr | |
1549 | #undef case_wrr | |
1550 | #undef case_rrw | |
1551 | #undef case_rrr | |
1552 | #undef case_wr | |
1553 | #undef case_rw | |
1554 | #undef case_rr | |
1555 | ||
1556 | for (offset = 0; offset < _jitc->patches.offset; offset++) { | |
1557 | node = _jitc->patches.ptr[offset].node; | |
1558 | word = node->code == jit_code_movi ? node->v.n->u.w : node->u.n->u.w; | |
1559 | patch_at(_jitc->patches.ptr[offset].inst, word); | |
1560 | } | |
1561 | ||
1562 | jit_flush(_jit->code.ptr, _jit->pc.uc); | |
1563 | ||
1564 | return (_jit->code.ptr); | |
1565 | } | |
1566 | ||
1567 | #define CODE 1 | |
1568 | # include "jit_s390-cpu.c" | |
1569 | # include "jit_s390-fpu.c" | |
ba3814c1 | 1570 | # include "jit_fallback.c" |
4a71579b PC |
1571 | #undef CODE |
1572 | ||
1573 | void | |
1574 | jit_flush(void *fptr, void *tptr) | |
1575 | { | |
1576 | #if defined(__GNUC__) | |
1577 | jit_word_t f, t, s; | |
1578 | ||
1579 | s = sysconf(_SC_PAGE_SIZE); | |
1580 | f = (jit_word_t)fptr & -s; | |
1581 | t = (((jit_word_t)tptr) + s - 1) & -s; | |
1582 | __clear_cache((void *)f, (void *)t); | |
1583 | #endif | |
1584 | } | |
1585 | ||
1586 | void | |
1587 | _emit_ldxi(jit_state_t *_jit, jit_gpr_t r0, jit_gpr_t r1, jit_word_t i0) | |
1588 | { | |
1589 | ldxi(rn(r0), rn(r1), i0); | |
1590 | } | |
1591 | ||
1592 | void | |
1593 | _emit_stxi(jit_state_t *_jit, jit_word_t i0, jit_gpr_t r0, jit_gpr_t r1) | |
1594 | { | |
1595 | stxi(i0, rn(r0), rn(r1)); | |
1596 | } | |
1597 | ||
1598 | void | |
1599 | _emit_ldxi_d(jit_state_t *_jit, jit_fpr_t r0, jit_gpr_t r1, jit_word_t i0) | |
1600 | { | |
1601 | ldxi_d(rn(r0), rn(r1), i0); | |
1602 | } | |
1603 | ||
1604 | void | |
1605 | _emit_stxi_d(jit_state_t *_jit, jit_word_t i0, jit_gpr_t r0, jit_fpr_t r1) | |
1606 | { | |
1607 | stxi_d(i0, rn(r0), rn(r1)); | |
1608 | } | |
1609 | ||
1610 | static jit_int32_t | |
1611 | _jit_get_reg_pair(jit_state_t *_jit) | |
1612 | { | |
1613 | jit_int32_t r1, r2; | |
1614 | /* Try to find a register pair for use with operations that | |
1615 | * require a odd based register pair. Search for the best | |
1616 | * match to avoid spills or at least a valid operation. | |
1617 | */ | |
1618 | ||
1619 | /* Try non callee save first */ | |
1620 | if (jit_reg_free_p(_R0) && jit_reg_free_p(_R1)) | |
1621 | r1 = _R0, r2 = _R1; | |
1622 | else if (jit_reg_free_p(_R2) && jit_reg_free_p(_R3)) | |
1623 | r1 = _R2, r2 = _R3; | |
1624 | else if (jit_reg_free_p(_R4) && jit_reg_free_p(_R5)) | |
1625 | r1 = _R4, r2 = _R5; | |
1626 | /* Try callee save registers */ | |
1627 | else if (jit_reg_free_p(_R10) && jit_reg_free_p(_R11)) | |
1628 | r1 = _R10, r2 = _R11; | |
1629 | else if (jit_reg_free_p(_R8) && jit_reg_free_p(_R9)) | |
1630 | r1 = _R8, r2 = _R9; | |
1631 | else if (jit_reg_free_p(_R6) && jit_reg_free_p(_R7)) | |
1632 | r1 = _R6, r2 = _R7; | |
1633 | ||
1634 | /* We *must* find a register pair */ | |
1635 | else if (jit_reg_free_if_spill_p(_R0) && jit_reg_free_if_spill_p(_R1)) | |
1636 | r1 = _R0, r2 = _R1; | |
1637 | else if (jit_reg_free_if_spill_p(_R2) && jit_reg_free_if_spill_p(_R3)) | |
1638 | r1 = _R2, r2 = _R3; | |
1639 | else if (jit_reg_free_if_spill_p(_R4) && jit_reg_free_if_spill_p(_R5)) | |
1640 | r1 = _R4, r2 = _R5; | |
1641 | else if (jit_reg_free_if_spill_p(_R10) && jit_reg_free_if_spill_p(_R11)) | |
1642 | r1 = _R10, r2 = _R11; | |
1643 | else if (jit_reg_free_if_spill_p(_R8) && jit_reg_free_if_spill_p(_R9)) | |
1644 | r1 = _R8, r2 = _R9; | |
1645 | else if (jit_reg_free_if_spill_p(_R6) && jit_reg_free_if_spill_p(_R7)) | |
1646 | r1 = _R6, r2 = _R7; | |
1647 | else | |
1648 | /* Do not jit_get_reg() all registers to avoid it */ | |
1649 | abort(); | |
1650 | ||
1651 | (void)jit_get_reg(jit_class_gpr|jit_class_named|r1); | |
1652 | (void)jit_get_reg(jit_class_gpr|jit_class_named|r2); | |
1653 | ||
1654 | return (r1); | |
1655 | } | |
1656 | ||
1657 | static void | |
1658 | _jit_unget_reg_pair(jit_state_t *_jit, jit_int32_t reg) | |
1659 | { | |
1660 | jit_int32_t r1, r2; | |
1661 | r1 = reg; | |
1662 | switch (r1) { | |
1663 | case _R0: r2 = _R1; break; | |
1664 | case _R2: r2 = _R3; break; | |
1665 | case _R4: r2 = _R5; break; | |
1666 | case _R6: r2 = _R7; break; | |
1667 | case _R8: r2 = _R9; break; | |
1668 | case _R10: r2 = _R11; break; | |
1669 | default: abort(); | |
1670 | } | |
1671 | jit_unget_reg(r1); | |
1672 | jit_unget_reg(r2); | |
1673 | } | |
1674 | ||
1675 | static jit_int32_t | |
1676 | _jit_get_reg_but_zero(jit_state_t *_jit, jit_int32_t flags) | |
1677 | { | |
1678 | jit_int32_t reg; | |
1679 | reg = jit_get_reg(jit_class_gpr); | |
1680 | if (reg == _R0) { | |
1681 | reg = jit_get_reg(jit_class_gpr|flags); | |
1682 | jit_unget_reg(_R0); | |
1683 | } | |
1684 | return (reg); | |
1685 | } | |
1686 | ||
1687 | static void | |
1688 | _patch(jit_state_t *_jit, jit_word_t instr, jit_node_t *node) | |
1689 | { | |
1690 | jit_int32_t flag; | |
1691 | ||
1692 | assert(node->flag & jit_flag_node); | |
1693 | if (node->code == jit_code_movi) | |
1694 | flag = node->v.n->flag; | |
1695 | else | |
1696 | flag = node->u.n->flag; | |
1697 | assert(!(flag & jit_flag_patch)); | |
1698 | if (_jitc->patches.offset >= _jitc->patches.length) { | |
1699 | jit_realloc((jit_pointer_t *)&_jitc->patches.ptr, | |
1700 | _jitc->patches.length * sizeof(jit_patch_t), | |
1701 | (_jitc->patches.length + 1024) * sizeof(jit_patch_t)); | |
1702 | _jitc->patches.length += 1024; | |
1703 | } | |
1704 | _jitc->patches.ptr[_jitc->patches.offset].inst = instr; | |
1705 | _jitc->patches.ptr[_jitc->patches.offset].node = node; | |
1706 | ++_jitc->patches.offset; | |
1707 | } |