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comparison gcc/tree-phinodes.c @ 55:77e2b8dfacca gcc-4.4.5

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update it from 4.4.3 to 4.5.0
author ryoma <e075725@ie.u-ryukyu.ac.jp>
date Fri, 12 Feb 2010 23:39:51 +0900
parents a06113de4d67
children b7f97abdc517
comparison
equal deleted inserted replaced
52:c156f1bd5cd9 55:77e2b8dfacca
229 gimple_phi_set_result (phi, make_ssa_name (var, phi)); 229 gimple_phi_set_result (phi, make_ssa_name (var, phi));
230 230
231 for (i = 0; i < capacity; i++) 231 for (i = 0; i < capacity; i++)
232 { 232 {
233 use_operand_p imm; 233 use_operand_p imm;
234
235 gimple_phi_arg_set_location (phi, i, UNKNOWN_LOCATION);
234 imm = gimple_phi_arg_imm_use_ptr (phi, i); 236 imm = gimple_phi_arg_imm_use_ptr (phi, i);
235 imm->use = gimple_phi_arg_def_ptr (phi, i); 237 imm->use = gimple_phi_arg_def_ptr (phi, i);
236 imm->prev = NULL; 238 imm->prev = NULL;
237 imm->next = NULL; 239 imm->next = NULL;
238 imm->loc.stmt = phi; 240 imm->loc.stmt = phi;
297 new_phi->gimple_phi.capacity = len; 299 new_phi->gimple_phi.capacity = len;
298 300
299 for (i = gimple_phi_num_args (new_phi); i < len; i++) 301 for (i = gimple_phi_num_args (new_phi); i < len; i++)
300 { 302 {
301 use_operand_p imm; 303 use_operand_p imm;
304
305 gimple_phi_arg_set_location (new_phi, i, UNKNOWN_LOCATION);
302 imm = gimple_phi_arg_imm_use_ptr (new_phi, i); 306 imm = gimple_phi_arg_imm_use_ptr (new_phi, i);
303 imm->use = gimple_phi_arg_def_ptr (new_phi, i); 307 imm->use = gimple_phi_arg_def_ptr (new_phi, i);
304 imm->prev = NULL; 308 imm->prev = NULL;
305 imm->next = NULL; 309 imm->next = NULL;
306 imm->loc.stmt = new_phi; 310 imm->loc.stmt = new_phi;
347 } 351 }
348 } 352 }
349 353
350 /* Adds PHI to BB. */ 354 /* Adds PHI to BB. */
351 355
352 void 356 void
353 add_phi_node_to_bb (gimple phi, basic_block bb) 357 add_phi_node_to_bb (gimple phi, basic_block bb)
354 { 358 {
355 gimple_stmt_iterator gsi; 359 gimple_stmt_iterator gsi;
356 /* Add the new PHI node to the list of PHI nodes for block BB. */ 360 /* Add the new PHI node to the list of PHI nodes for block BB. */
357 if (phi_nodes (bb) == NULL) 361 if (phi_nodes (bb) == NULL)
382 argument is added at the end of the argument list. 386 argument is added at the end of the argument list.
383 If PHI has reached its maximum capacity, add a few slots. In this case, 387 If PHI has reached its maximum capacity, add a few slots. In this case,
384 PHI points to the reallocated phi node when we return. */ 388 PHI points to the reallocated phi node when we return. */
385 389
386 void 390 void
387 add_phi_arg (gimple phi, tree def, edge e) 391 add_phi_arg (gimple phi, tree def, edge e, source_location locus)
388 { 392 {
389 basic_block bb = e->dest; 393 basic_block bb = e->dest;
390 394
391 gcc_assert (bb == gimple_bb (phi)); 395 gcc_assert (bb == gimple_bb (phi));
392 396
405 SSA_NAME_OCCURS_IN_ABNORMAL_PHI (def) = 1; 409 SSA_NAME_OCCURS_IN_ABNORMAL_PHI (def) = 1;
406 SSA_NAME_OCCURS_IN_ABNORMAL_PHI (PHI_RESULT (phi)) = 1; 410 SSA_NAME_OCCURS_IN_ABNORMAL_PHI (PHI_RESULT (phi)) = 1;
407 } 411 }
408 412
409 SET_PHI_ARG_DEF (phi, e->dest_idx, def); 413 SET_PHI_ARG_DEF (phi, e->dest_idx, def);
414 gimple_phi_arg_set_location (phi, e->dest_idx, locus);
410 } 415 }
411 416
412 417
413 /* Remove the Ith argument from PHI's argument list. This routine 418 /* Remove the Ith argument from PHI's argument list. This routine
414 implements removal by swapping the last alternative with the 419 implements removal by swapping the last alternative with the
433 old_p = gimple_phi_arg_imm_use_ptr (phi, num_elem - 1); 438 old_p = gimple_phi_arg_imm_use_ptr (phi, num_elem - 1);
434 new_p = gimple_phi_arg_imm_use_ptr (phi, i); 439 new_p = gimple_phi_arg_imm_use_ptr (phi, i);
435 /* Set use on new node, and link into last element's place. */ 440 /* Set use on new node, and link into last element's place. */
436 *(new_p->use) = *(old_p->use); 441 *(new_p->use) = *(old_p->use);
437 relink_imm_use (new_p, old_p); 442 relink_imm_use (new_p, old_p);
443 /* Move the location as well. */
444 gimple_phi_arg_set_location (phi, i,
445 gimple_phi_arg_location (phi, num_elem - 1));
438 } 446 }
439 447
440 /* Shrink the vector and return. Note that we do not have to clear 448 /* Shrink the vector and return. Note that we do not have to clear
441 PHI_ARG_DEF because the garbage collector will not look at those 449 PHI_ARG_DEF because the garbage collector will not look at those
442 elements beyond the first PHI_NUM_ARGS elements of the array. */ 450 elements beyond the first PHI_NUM_ARGS elements of the array. */