2 * Copyright (c) 2017 Lima Project
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5 * copy of this software and associated documentation files (the "Software"),
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9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the
12 * next paragraph) shall be included in all copies or substantial portions
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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21 * DEALINGS IN THE SOFTWARE.
25 #include "util/u_math.h"
26 #include "util/ralloc.h"
27 #include "util/bitscan.h"
31 const ppir_op_info ppir_op_infos
[] = {
35 PPIR_INSTR_SLOT_ALU_SCL_ADD
, PPIR_INSTR_SLOT_ALU_SCL_MUL
,
36 PPIR_INSTR_SLOT_ALU_VEC_ADD
, PPIR_INSTR_SLOT_ALU_VEC_MUL
,
43 PPIR_INSTR_SLOT_ALU_SCL_MUL
, PPIR_INSTR_SLOT_ALU_VEC_MUL
,
50 PPIR_INSTR_SLOT_ALU_SCL_ADD
, PPIR_INSTR_SLOT_ALU_VEC_ADD
,
66 PPIR_INSTR_SLOT_ALU_VEC_ADD
, PPIR_INSTR_SLOT_END
72 PPIR_INSTR_SLOT_ALU_VEC_ADD
, PPIR_INSTR_SLOT_END
78 PPIR_INSTR_SLOT_ALU_COMBINE
, PPIR_INSTR_SLOT_END
84 PPIR_INSTR_SLOT_ALU_COMBINE
, PPIR_INSTR_SLOT_END
90 PPIR_INSTR_SLOT_ALU_COMBINE
, PPIR_INSTR_SLOT_END
96 PPIR_INSTR_SLOT_ALU_COMBINE
, PPIR_INSTR_SLOT_END
102 PPIR_INSTR_SLOT_ALU_COMBINE
, PPIR_INSTR_SLOT_END
108 PPIR_INSTR_SLOT_ALU_COMBINE
, PPIR_INSTR_SLOT_END
114 PPIR_INSTR_SLOT_ALU_SCL_ADD
, PPIR_INSTR_SLOT_ALU_SCL_MUL
,
115 PPIR_INSTR_SLOT_ALU_VEC_ADD
, PPIR_INSTR_SLOT_ALU_VEC_MUL
,
122 PPIR_INSTR_SLOT_ALU_SCL_ADD
, PPIR_INSTR_SLOT_ALU_SCL_MUL
,
123 PPIR_INSTR_SLOT_ALU_VEC_ADD
, PPIR_INSTR_SLOT_ALU_VEC_MUL
,
130 PPIR_INSTR_SLOT_ALU_SCL_ADD
, PPIR_INSTR_SLOT_ALU_VEC_ADD
,
137 PPIR_INSTR_SLOT_ALU_SCL_ADD
, PPIR_INSTR_SLOT_ALU_VEC_ADD
,
144 PPIR_INSTR_SLOT_ALU_SCL_ADD
, PPIR_INSTR_SLOT_ALU_VEC_ADD
,
151 PPIR_INSTR_SLOT_ALU_SCL_MUL
, PPIR_INSTR_SLOT_ALU_VEC_MUL
,
158 PPIR_INSTR_SLOT_ALU_SCL_MUL
, PPIR_INSTR_SLOT_ALU_VEC_MUL
,
165 PPIR_INSTR_SLOT_ALU_SCL_MUL
, PPIR_INSTR_SLOT_ALU_VEC_MUL
,
172 PPIR_INSTR_SLOT_ALU_SCL_MUL
, PPIR_INSTR_SLOT_ALU_VEC_MUL
,
185 PPIR_INSTR_SLOT_ALU_SCL_MUL
, PPIR_INSTR_SLOT_ALU_SCL_ADD
,
186 PPIR_INSTR_SLOT_ALU_VEC_MUL
, PPIR_INSTR_SLOT_ALU_VEC_ADD
,
193 PPIR_INSTR_SLOT_ALU_SCL_MUL
, PPIR_INSTR_SLOT_ALU_SCL_ADD
,
194 PPIR_INSTR_SLOT_ALU_VEC_MUL
, PPIR_INSTR_SLOT_ALU_VEC_ADD
,
201 PPIR_INSTR_SLOT_ALU_SCL_MUL
, PPIR_INSTR_SLOT_ALU_SCL_ADD
,
202 PPIR_INSTR_SLOT_ALU_VEC_MUL
, PPIR_INSTR_SLOT_ALU_VEC_ADD
,
209 PPIR_INSTR_SLOT_ALU_SCL_MUL
, PPIR_INSTR_SLOT_ALU_SCL_ADD
,
210 PPIR_INSTR_SLOT_ALU_VEC_MUL
, PPIR_INSTR_SLOT_ALU_VEC_ADD
,
217 PPIR_INSTR_SLOT_ALU_SCL_ADD
, PPIR_INSTR_SLOT_ALU_VEC_ADD
,
224 PPIR_INSTR_SLOT_ALU_COMBINE
, PPIR_INSTR_SLOT_END
227 [ppir_op_load_varying
] = {
229 .type
= ppir_node_type_load
,
231 PPIR_INSTR_SLOT_VARYING
, PPIR_INSTR_SLOT_END
234 [ppir_op_load_coords
] = {
236 .type
= ppir_node_type_load
,
238 PPIR_INSTR_SLOT_VARYING
, PPIR_INSTR_SLOT_END
241 [ppir_op_load_fragcoord
] = {
242 .name
= "ld_fragcoord",
243 .type
= ppir_node_type_load
,
245 PPIR_INSTR_SLOT_VARYING
, PPIR_INSTR_SLOT_END
248 [ppir_op_load_uniform
] = {
250 .type
= ppir_node_type_load
,
252 PPIR_INSTR_SLOT_UNIFORM
, PPIR_INSTR_SLOT_END
255 [ppir_op_load_texture
] = {
257 .type
= ppir_node_type_load_texture
,
259 PPIR_INSTR_SLOT_TEXLD
, PPIR_INSTR_SLOT_END
262 [ppir_op_load_temp
] = {
264 .type
= ppir_node_type_load
,
266 PPIR_INSTR_SLOT_UNIFORM
, PPIR_INSTR_SLOT_END
271 .type
= ppir_node_type_const
,
273 [ppir_op_store_color
] = {
275 .type
= ppir_node_type_store
,
277 [ppir_op_store_temp
] = {
279 .type
= ppir_node_type_store
,
281 PPIR_INSTR_SLOT_STORE_TEMP
, PPIR_INSTR_SLOT_END
284 [ppir_op_discard
] = {
286 .type
= ppir_node_type_discard
,
288 PPIR_INSTR_SLOT_BRANCH
, PPIR_INSTR_SLOT_END
293 .type
= ppir_node_type_branch
,
295 PPIR_INSTR_SLOT_BRANCH
, PPIR_INSTR_SLOT_END
300 void *ppir_node_create(ppir_block
*block
, ppir_op op
, int index
, unsigned mask
)
302 ppir_compiler
*comp
= block
->comp
;
303 static const int node_size
[] = {
304 [ppir_node_type_alu
] = sizeof(ppir_alu_node
),
305 [ppir_node_type_const
] = sizeof(ppir_const_node
),
306 [ppir_node_type_load
] = sizeof(ppir_load_node
),
307 [ppir_node_type_store
] = sizeof(ppir_store_node
),
308 [ppir_node_type_load_texture
] = sizeof(ppir_load_texture_node
),
309 [ppir_node_type_discard
] = sizeof(ppir_discard_node
),
310 [ppir_node_type_branch
] = sizeof(ppir_branch_node
),
313 ppir_node_type type
= ppir_op_infos
[op
].type
;
314 int size
= node_size
[type
];
315 ppir_node
*node
= rzalloc_size(block
, size
);
319 list_inithead(&node
->succ_list
);
320 list_inithead(&node
->pred_list
);
324 /* reg has 4 slots for each componemt write node */
326 comp
->var_nodes
[(index
<< 2) + comp
->reg_base
+ u_bit_scan(&mask
)] = node
;
327 snprintf(node
->name
, sizeof(node
->name
), "reg%d", index
);
329 comp
->var_nodes
[index
] = node
;
330 snprintf(node
->name
, sizeof(node
->name
), "ssa%d", index
);
334 snprintf(node
->name
, sizeof(node
->name
), "new");
338 node
->index
= comp
->cur_index
++;
344 void ppir_node_add_dep(ppir_node
*succ
, ppir_node
*pred
)
346 /* don't add dep for two nodes from different block */
347 if (succ
->block
!= pred
->block
)
350 /* don't add duplicated dep */
351 ppir_node_foreach_pred(succ
, dep
) {
352 if (dep
->pred
== pred
)
356 ppir_dep
*dep
= ralloc(succ
, ppir_dep
);
359 list_addtail(&dep
->pred_link
, &succ
->pred_list
);
360 list_addtail(&dep
->succ_link
, &pred
->succ_list
);
363 void ppir_node_remove_dep(ppir_dep
*dep
)
365 list_del(&dep
->succ_link
);
366 list_del(&dep
->pred_link
);
370 static void _ppir_node_replace_child(ppir_src
*src
, ppir_node
*old_child
, ppir_node
*new_child
)
372 ppir_dest
*od
= ppir_node_get_dest(old_child
);
373 if (ppir_node_target_equal(src
, od
)) {
374 ppir_dest
*nd
= ppir_node_get_dest(new_child
);
375 ppir_node_target_assign(src
, nd
);
379 void ppir_node_replace_child(ppir_node
*parent
, ppir_node
*old_child
, ppir_node
*new_child
)
381 if (parent
->type
== ppir_node_type_alu
) {
382 ppir_alu_node
*alu
= ppir_node_to_alu(parent
);
383 for (int i
= 0; i
< alu
->num_src
; i
++)
384 _ppir_node_replace_child(alu
->src
+ i
, old_child
, new_child
);
386 else if (parent
->type
== ppir_node_type_store
) {
387 ppir_store_node
*store
= ppir_node_to_store(parent
);
388 _ppir_node_replace_child(&store
->src
, old_child
, new_child
);
392 void ppir_node_replace_pred(ppir_dep
*dep
, ppir_node
*new_pred
)
394 list_del(&dep
->succ_link
);
395 dep
->pred
= new_pred
;
396 list_addtail(&dep
->succ_link
, &new_pred
->succ_list
);
399 void ppir_node_replace_all_succ(ppir_node
*dst
, ppir_node
*src
)
401 ppir_node_foreach_succ_safe(src
, dep
) {
402 ppir_node_replace_pred(dep
, dst
);
403 ppir_node_replace_child(dep
->succ
, src
, dst
);
407 void ppir_node_delete(ppir_node
*node
)
409 ppir_node_foreach_succ_safe(node
, dep
)
410 ppir_node_remove_dep(dep
);
412 ppir_node_foreach_pred_safe(node
, dep
)
413 ppir_node_remove_dep(dep
);
415 list_del(&node
->list
);
419 static void ppir_node_print_node(ppir_node
*node
, int space
)
421 for (int i
= 0; i
< space
; i
++)
423 printf("%s%s %d %s\n", node
->printed
&& !ppir_node_is_leaf(node
) ? "+" : "",
424 ppir_op_infos
[node
->op
].name
, node
->index
, node
->name
);
426 if (!node
->printed
) {
427 ppir_node_foreach_pred(node
, dep
) {
428 ppir_node
*pred
= dep
->pred
;
429 ppir_node_print_node(pred
, space
+ 2);
432 node
->printed
= true;
436 void ppir_node_print_prog(ppir_compiler
*comp
)
438 if (!(lima_debug
& LIMA_DEBUG_PP
))
441 list_for_each_entry(ppir_block
, block
, &comp
->block_list
, list
) {
442 list_for_each_entry(ppir_node
, node
, &block
->node_list
, list
) {
443 node
->printed
= false;
447 printf("========prog========\n");
448 list_for_each_entry(ppir_block
, block
, &comp
->block_list
, list
) {
449 printf("-------block------\n");
450 list_for_each_entry(ppir_node
, node
, &block
->node_list
, list
) {
451 if (ppir_node_is_root(node
))
452 ppir_node_print_node(node
, 0);
455 printf("====================\n");