https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109445
Bug ID: 109445
Summary: r13-6372-g822a11a1e642e0 regression due to noline with
-Ofast -march=sapphirerapids -funroll-loops -flto,
541.leela_r performance decrease by 2-3%
Product: gcc
Version: 13.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: libstdc++
Assignee: unassigned at gcc dot gnu.org
Reporter: zhangjungcc at gmail dot com
Target Milestone: ---
r13-6372-g822a11a1e642e0 regression due to noline with -Ofast
-march=sapphirerapids -funroll-loops -flto, 541.leela_r performance decrease by
2-3%
Follow is the inline dump, left dump is before the commit, right dump is after
the commit.
<bb 104> [local count: 210861628]: <bb 104> [local count:
210861628]:
# DEBUG BEGIN_STMT # DEBUG BEGIN_STMT
_466 = s_rng; _466 = s_rng;
----------------------------------------------------------------------------------------------
_607 = _466; <> _561 = _466;
_118 = _607; _118 = _561;
----------------------------------------------------------------------------------------------
_35 = this_72(D)->board.D.5191.m_empty_cnt; = _35 =
this_72(D)->board.D.5191.m_empty_cnt;
_5 = _35 & 65535; _5 = _35 & 65535;
# DEBUG this => _118 # DEBUG this => _118
max_458 = (const uint16) _5; max_458 = (const uint16) _5;
# DEBUG max => max_458 # DEBUG max => max_458
# DEBUG BEGIN_STMT # DEBUG BEGIN_STMT
----------------------------------------------------------------------------------------------
# DEBUG this => _118 <>
# DEBUG BEGIN_STMT
# DEBUG mask => 4294967295
# DEBUG BEGIN_STMT
# DEBUG BEGIN_STMT
_467 = _118->s1;
_468 = _467 << 13;
_469 = _467 ^ _468;
b_470 = _469 >> 19;
# DEBUG b => b_470
# DEBUG BEGIN_STMT
_471 = _467 << 12;
_472 = _471 & 4294959104;
_473 = b_470 ^ _472;
_118->s1 = _473;
# DEBUG BEGIN_STMT
_474 = _118->s2;
_475 = _474 << 2;
_476 = _474 ^ _475;
b_477 = _476 >> 25;
# DEBUG b => b_477
# DEBUG BEGIN_STMT
_478 = _474 << 4;
_479 = _478 & 4294967168;
_480 = b_477 ^ _479;
_118->s2 = _480;
# DEBUG BEGIN_STMT
_481 = _118->s3;
_482 = _481 << 3;
_483 = _481 ^ _482;
b_484 = _483 >> 11;
# DEBUG b => b_484
# DEBUG BEGIN_STMT
_485 = _481 << 17;
_486 = _485 & 4292870144;
_487 = b_484 ^ _486;
_118->s3 = _487;
# DEBUG BEGIN_STMT
_488 = _473 ^ _480;
_489 = _487 ^ _488;
_611 = _489; _459 = random (_118);
# DEBUG this => NULL
# DEBUG b => NULL
_459 = _611;
----------------------------------------------------------------------------------------------
_460 = _459 >> 16; = _460 = _459 >> 16;
_461 = (unsigned int) max_458; _461 = (unsigned int)
max_458;
_462 = _460 * _461; _462 = _460 * _461;
_463 = _462 >> 16; _463 = _462 >> 16;
----------------------------------------------------------------------------------------------
_612 = _463; <> _563 = _463;
----------------------------------------------------------------------------------------------
# DEBUG this => NULL = # DEBUG this => NULL
# DEBUG max => NULL # DEBUG max => NULL
----------------------------------------------------------------------------------------------
_120 = _612; <> _120 = _563;
----------------------------------------------------------------------------------------------
vidx_121 = (int) _120; = vidx_121 = (int) _120;
# DEBUG vidx => vidx_121 # DEBUG vidx => vidx_121
# DEBUG BEGIN_STMT # DEBUG BEGIN_STMT
_37 = this_72(D)->board.D.5191.m_tomove; _37 =
this_72(D)->board.D.5191.m_tomove;
----------------------------------------------------------------------------------------------
# DEBUG D#1845 => 1 <> # DEBUG D#1824 => 1
----------------------------------------------------------------------------------------------
# DEBUG this => this_72(D) = # DEBUG this => this_72(D)
# DEBUG color => _37 # DEBUG color => _37
# DEBUG vidx => vidx_121 # DEBUG vidx => vidx_121
# DEBUG allow_sa => 1 # DEBUG allow_sa => 1
# DEBUG BEGIN_STMT # DEBUG BEGIN_STMT
----------------------------------------------------------------------------------------------
_495 = s_rng; <> _472 = s_rng;
if (_495 == 0B) if (_472 == 0B)
----------------------------------------------------------------------------------------------
goto <bb 105>; [17.43%] = goto <bb 105>; [17.43%]
else else
goto <bb 106>; [82.57%] goto <bb 106>; [82.57%]
<bb 106> [local count: 210861628]: <bb 106> [local count:
210861628]:
# DEBUG BEGIN_STMT # DEBUG BEGIN_STMT
----------------------------------------------------------------------------------------------
_497 = s_rng; <> _474 = s_rng;
_619 = _497; _570 = _474;
_420 = _619; _420 = _570;
----------------------------------------------------------------------------------------------
# DEBUG this => _420 = # DEBUG this => _420
# DEBUG max => 2 # DEBUG max => 2
# DEBUG BEGIN_STMT # DEBUG BEGIN_STMT
----------------------------------------------------------------------------------------------
# DEBUG this => _420 <>
# DEBUG BEGIN_STMT
# DEBUG mask => 4294967295
# DEBUG BEGIN_STMT
# DEBUG BEGIN_STMT
_498 = _420->s1;
_499 = _498 << 13;
_500 = _498 ^ _499;
b_501 = _500 >> 19;
# DEBUG b => b_501
# DEBUG BEGIN_STMT
_502 = _498 << 12;
_503 = _502 & 4294959104;
_504 = b_501 ^ _503;
_420->s1 = _504;
# DEBUG BEGIN_STMT
_505 = _420->s2;
_506 = _505 << 2;
_507 = _505 ^ _506;
b_508 = _507 >> 25;
# DEBUG b => b_508
# DEBUG BEGIN_STMT
_509 = _505 << 4;
_510 = _509 & 4294967168;
_511 = b_508 ^ _510;
_420->s2 = _511;
# DEBUG BEGIN_STMT
_512 = _420->s3;
_513 = _512 << 3;
_514 = _512 ^ _513;
b_515 = _514 >> 11;
# DEBUG b => b_515
# DEBUG BEGIN_STMT
_516 = _512 << 17;
_517 = _516 & 4292870144;
_518 = b_515 ^ _517;
_420->s3 = _518;
# DEBUG BEGIN_STMT
_519 = _504 ^ _511;
_520 = _518 ^ _519;
_623 = _520;
# DEBUG this => NULL
# DEBUG b => NULL
_490 = _623; _467 = random (_420);
_491 = _490 >> 16; _468 = _467 >> 16;
_492 = 2; _469 = 2;
_493 = _491 * _492; _470 = _468 * _469;
_494 = _493 >> 16; _471 = _470 >> 16;
_624 = _494; _572 = _471;
----------------------------------------------------------------------------------------------
# DEBUG this => NULL = # DEBUG this => NULL
# DEBUG max => NULL # DEBUG max => NULL
----------------------------------------------------------------------------------------------
_421 = _624; <> _421 = _572;
----------------------------------------------------------------------------------------------
# DEBUG dir => (int) _421 = # DEBUG dir => (int) _421
if (_421 == 0) if (_421 == 0)
goto <bb 110>; [50.00%] goto <bb 110>; [50.00%]
else else
goto <bb 118>; [50.00%] goto <bb 118>; [50.00%]
----------------------------------------------------------------------------------------------
