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comparison gcc/tree-vect-generic.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 58ad6c70ea60
children b7f97abdc517
comparison
equal deleted inserted replaced
52:c156f1bd5cd9 55:77e2b8dfacca
1 /* Lower vector operations to scalar operations. 1 /* Lower vector operations to scalar operations.
2 Copyright (C) 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc. 2 Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009
3 Free Software Foundation, Inc.
3 4
4 This file is part of GCC. 5 This file is part of GCC.
5 6
6 GCC is free software; you can redistribute it and/or modify it 7 GCC is free software; you can redistribute it and/or modify it
7 under the terms of the GNU General Public License as published by the 8 under the terms of the GNU General Public License as published by the
8 Free Software Foundation; either version 3, or (at your option) any 9 Free Software Foundation; either version 3, or (at your option) any
9 later version. 10 later version.
10 11
11 GCC is distributed in the hope that it will be useful, but WITHOUT 12 GCC is distributed in the hope that it will be useful, but WITHOUT
12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 for more details. 15 for more details.
15 16
16 You should have received a copy of the GNU General Public License 17 You should have received a copy of the GNU General Public License
17 along with GCC; see the file COPYING3. If not see 18 along with GCC; see the file COPYING3. If not see
18 <http://www.gnu.org/licenses/>. */ 19 <http://www.gnu.org/licenses/>. */
19 20
20 #include "config.h" 21 #include "config.h"
414 rhs2 = gimple_assign_rhs2 (stmt); 415 rhs2 = gimple_assign_rhs2 (stmt);
415 416
416 if (TREE_CODE (type) != VECTOR_TYPE) 417 if (TREE_CODE (type) != VECTOR_TYPE)
417 return; 418 return;
418 419
419 if (code == NOP_EXPR 420 if (code == NOP_EXPR
420 || code == FLOAT_EXPR 421 || code == FLOAT_EXPR
421 || code == FIX_TRUNC_EXPR 422 || code == FIX_TRUNC_EXPR
422 || code == VIEW_CONVERT_EXPR) 423 || code == VIEW_CONVERT_EXPR)
423 return; 424 return;
424 425
425 gcc_assert (code != CONVERT_EXPR); 426 gcc_assert (code != CONVERT_EXPR);
426 427
427 /* The signedness is determined from input argument. */ 428 /* The signedness is determined from input argument. */
428 if (code == VEC_UNPACK_FLOAT_HI_EXPR 429 if (code == VEC_UNPACK_FLOAT_HI_EXPR
429 || code == VEC_UNPACK_FLOAT_LO_EXPR) 430 || code == VEC_UNPACK_FLOAT_LO_EXPR)
430 type = TREE_TYPE (rhs1); 431 type = TREE_TYPE (rhs1);
431 432
432 /* Choose between vector shift/rotate by vector and vector shift/rotate by 433 /* Choose between vector shift/rotate by vector and vector shift/rotate by
433 scalar */ 434 scalar */
434 if (code == LSHIFT_EXPR 435 if (code == LSHIFT_EXPR
435 || code == RSHIFT_EXPR 436 || code == RSHIFT_EXPR
436 || code == LROTATE_EXPR 437 || code == LROTATE_EXPR
437 || code == RROTATE_EXPR) 438 || code == RROTATE_EXPR)
438 { 439 {
439 /* If the 2nd argument is vector, we need a vector/vector shift */ 440 /* If the 2nd argument is vector, we need a vector/vector shift */
440 if (VECTOR_MODE_P (TYPE_MODE (TREE_TYPE (rhs2)))) 441 if (VECTOR_MODE_P (TYPE_MODE (TREE_TYPE (rhs2))))
451 } 452 }
452 } 453 }
453 else 454 else
454 op = optab_for_tree_code (code, type, optab_default); 455 op = optab_for_tree_code (code, type, optab_default);
455 456
456 /* For widening/narrowing vector operations, the relevant type is of the 457 /* For widening/narrowing vector operations, the relevant type is of the
457 arguments, not the widened result. VEC_UNPACK_FLOAT_*_EXPR is 458 arguments, not the widened result. VEC_UNPACK_FLOAT_*_EXPR is
458 calculated in the same way above. */ 459 calculated in the same way above. */
459 if (code == WIDEN_SUM_EXPR 460 if (code == WIDEN_SUM_EXPR
460 || code == VEC_WIDEN_MULT_HI_EXPR 461 || code == VEC_WIDEN_MULT_HI_EXPR
461 || code == VEC_WIDEN_MULT_LO_EXPR 462 || code == VEC_WIDEN_MULT_LO_EXPR
545 } 546 }
546 } 547 }
547 return 0; 548 return 0;
548 } 549 }
549 550
550 struct gimple_opt_pass pass_lower_vector = 551 struct gimple_opt_pass pass_lower_vector =
551 { 552 {
552 { 553 {
553 GIMPLE_PASS, 554 GIMPLE_PASS,
554 "veclower", /* name */ 555 "veclower", /* name */
555 0, /* gate */ 556 0, /* gate */
556 expand_vector_operations, /* execute */ 557 expand_vector_operations, /* execute */
557 NULL, /* sub */ 558 NULL, /* sub */
558 NULL, /* next */ 559 NULL, /* next */
559 0, /* static_pass_number */ 560 0, /* static_pass_number */
560 0, /* tv_id */ 561 TV_NONE, /* tv_id */
561 PROP_cfg, /* properties_required */ 562 PROP_cfg, /* properties_required */
562 0, /* properties_provided */ 563 0, /* properties_provided */
563 0, /* properties_destroyed */ 564 0, /* properties_destroyed */
564 0, /* todo_flags_start */ 565 0, /* todo_flags_start */
565 TODO_dump_func | TODO_ggc_collect 566 TODO_dump_func | TODO_ggc_collect
566 | TODO_verify_stmts /* todo_flags_finish */ 567 | TODO_verify_stmts /* todo_flags_finish */
567 } 568 }
568 }; 569 };
569 570
570 struct gimple_opt_pass pass_lower_vector_ssa = 571 struct gimple_opt_pass pass_lower_vector_ssa =
571 { 572 {
572 { 573 {
573 GIMPLE_PASS, 574 GIMPLE_PASS,
574 "veclower2", /* name */ 575 "veclower2", /* name */
575 gate_expand_vector_operations, /* gate */ 576 gate_expand_vector_operations, /* gate */
576 expand_vector_operations, /* execute */ 577 expand_vector_operations, /* execute */
577 NULL, /* sub */ 578 NULL, /* sub */
578 NULL, /* next */ 579 NULL, /* next */
579 0, /* static_pass_number */ 580 0, /* static_pass_number */
580 0, /* tv_id */ 581 TV_NONE, /* tv_id */
581 PROP_cfg, /* properties_required */ 582 PROP_cfg, /* properties_required */
582 0, /* properties_provided */ 583 0, /* properties_provided */
583 0, /* properties_destroyed */ 584 0, /* properties_destroyed */
584 0, /* todo_flags_start */ 585 0, /* todo_flags_start */
585 TODO_dump_func | TODO_update_ssa /* todo_flags_finish */ 586 TODO_dump_func | TODO_update_ssa /* todo_flags_finish */