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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/103351] [12 Regression] '-fcompare-debug' failure (length) at -O2
Date: Sun, 21 Nov 2021 22:16:51 +0000 [thread overview]
Message-ID: <bug-103351-4-YXdZ1p2M5v@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-103351-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103351
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Last reconfirmed| |2021-11-21
Status|UNCONFIRMED |NEW
Ever confirmed|0 |1
Target Milestone|--- |12.0
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Confirmed, the first (major) difference shows up in 199t.cddce3.
if (&__str._M_local_buf == _13)
goto <bb 4>; [30.00%]
else
- goto <bb 7>; [70.00%]
+ goto <bb 6>; [70.00%]
<bb 4> [local count: 286689070]:
_1 = &_10->D.4203.name;
if (_1 != __trans_tmp_1_14(D))
- goto <bb 6>; [90.00%]
+ goto <bb 5>; [90.00%]
else
- goto <bb 5>; [10.00%]
-
- <bb 5> [local count: 28668907]:
- goto <bb 9>; [100.00%]
+ goto <bb 8>; [10.00%]
- <bb 6> [local count: 258020162]:
+ <bb 5> [local count: 258020162]:
Trans_NS___cxx11_basic_string<char>::size (_1);
pretmp_16 = __str._M_dataplus._M_p;
goto <bb 9>; [100.00%]
- <bb 7> [local count: 668941172]:
+ <bb 6> [local count: 668941172]:
if (__trans_tmp_2_18(D) != 0)
- goto <bb 8>; [50.00%]
+ goto <bb 7>; [50.00%]
else
goto <bb 9>; [50.00%]
- <bb 8> [local count: 334470586]:
- # DEBUG this => &__str
- # DEBUG __p => &__str._M_local_buf
- # DEBUG INLINE_ENTRY _M_data
+ <bb 7> [local count: 334470586]:
__str._M_dataplus._M_p = &__str._M_local_buf;
- goto <bb 5>; [100.00%]
+
+ <bb 8> [local count: 334470586]:
next prev parent reply other threads:[~2021-11-21 22:16 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-21 21:01 [Bug debug/103351] New: " zsojka at seznam dot cz
2021-11-21 22:16 ` pinskia at gcc dot gnu.org [this message]
2021-11-21 22:18 ` [Bug tree-optimization/103351] " pinskia at gcc dot gnu.org
2021-11-22 9:07 ` [Bug tree-optimization/103351] [12 Regression] '-fcompare-debug' failure (length) at -O2 since r12-5301-g045206450386bcd7 marxin at gcc dot gnu.org
2021-11-22 9:19 ` rguenth at gcc dot gnu.org
2021-11-22 10:20 ` rguenth at gcc dot gnu.org
2021-11-22 11:18 ` cvs-commit at gcc dot gnu.org
2021-11-22 11:18 ` rguenth at gcc dot gnu.org
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