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From: "malat at debian dot org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/106322] i386: Wrong code at O2 level (O0 / O1 are working)
Date: Sat, 16 Jul 2022 10:15:37 +0000	[thread overview]
Message-ID: <bug-106322-4-BTEUJ6bWWr@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-106322-4@http.gcc.gnu.org/bugzilla/>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106322

--- Comment #7 from Mathieu Malaterre <malat at debian dot org> ---
I can make it fails with sanitize=address:

/usr/bin/g++-12 -DHWY_STATIC_DEFINE
-I"/home/malat/highway-0.17.1~git20220711.f0a396a" -O2 -fsanitize=address -fPIE
-fvisibility=hidden -fvisibility-inlines-hidden -Wno-builtin-macro-redefined
-D__DATE__=\"redacted\" -D__TIMESTAMP__=\"redacted\" -D__TIME__=\"redacted\"
-fmerge-all-constants -Wall -Wextra -Wconversion -Wsign-conversion -Wvla
-Wnon-virtual-dtor -fmath-errno -fno-exceptions -DHWY_IS_TEST=1
-DGTEST_HAS_PTHREAD=1 -MD -MT CMakeFiles/mul_test.dir/hwy/tests/mul_test.cc.o
-MF CMakeFiles/mul_test.dir/hwy/tests/mul_test.cc.o.d -o
CMakeFiles/mul_test.dir/hwy/tests/mul_test.cc.o -c
"/home/malat/highway-0.17.1~git20220711.f0a396a/hwy/tests/mul_test.cc"
[...]
Running main() from ./googletest/src/gtest_main.cc
Note: Google Test filter = HwyMulTestGroup/HwyMulTest.TestAllMulHigh/Emu128
[==========] Running 1 test from 1 test suite.
[----------] Global test environment set-up.
[----------] 1 test from HwyMulTestGroup/HwyMulTest
[ RUN      ] HwyMulTestGroup/HwyMulTest.TestAllMulHigh/Emu128


i16x2 expect [0+ ->]:
  0x3FFF,0x0FFF,
i16x2 actual [0+ ->]:
  0xBFFF,0x0FFF,
Abort at
/home/malat/highway-0.17.1~git20220711.f0a396a/hwy/tests/mul_test.cc:131:
Emu128, i16x2 lane 0 mismatch: expected '0x3FFF', got '0xBFFF'.

  parent reply	other threads:[~2022-07-16 10:15 UTC|newest]

Thread overview: 56+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-07-16  9:48 [Bug c++/106322] New: " malat at debian dot org
2022-07-16  9:55 ` [Bug c++/106322] " malat at debian dot org
2022-07-16 10:00 ` malat at debian dot org
2022-07-16 10:00 ` malat at debian dot org
2022-07-16 10:02 ` malat at debian dot org
2022-07-16 10:02 ` malat at debian dot org
2022-07-16 10:07 ` malat at debian dot org
2022-07-16 10:15 ` malat at debian dot org [this message]
2022-07-17 20:20 ` [Bug target/106322] " pinskia at gcc dot gnu.org
2022-07-18  8:48 ` marxin at gcc dot gnu.org
2022-07-18 14:40 ` malat at debian dot org
2022-07-19  7:58 ` ubizjak at gmail dot com
2022-08-03  8:41 ` malat at debian dot org
2022-08-03 12:31 ` [Bug tree-optimization/106322] 32bits / tree-vectorize: Wrong code at O2 level (-fno-tree-vectorize is working) malat at debian dot org
2022-08-03 12:32 ` malat at debian dot org
2022-08-03 12:33 ` malat at debian dot org
2022-08-05 13:14 ` [Bug tree-optimization/106322] " malat at debian dot org
2022-08-08  7:12 ` malat at debian dot org
2022-08-08  7:20 ` malat at debian dot org
2022-08-08 10:00 ` malat at debian dot org
2022-08-09  7:50 ` malat at debian dot org
2022-08-09 12:36 ` marxin at gcc dot gnu.org
2022-08-09 12:58 ` malat at debian dot org
2022-08-09 13:00 ` ubizjak at gmail dot com
2022-08-09 13:03 ` malat at debian dot org
2022-08-09 13:04 ` marxin at gcc dot gnu.org
2022-08-09 13:05 ` malat at debian dot org
2022-08-09 13:11 ` [Bug tree-optimization/106322] [12/13 Regression] tree-vectorize: Wrong code at O2 level (-fno-tree-vectorize is working) since r12-2404-ga1d27560770818c5 marxin at gcc dot gnu.org
2022-08-09 13:12 ` marxin at gcc dot gnu.org
2022-08-09 13:26 ` linkw at gcc dot gnu.org
2022-08-09 13:29 ` marxin at gcc dot gnu.org
2022-08-09 13:30 ` malat at debian dot org
2022-08-09 13:34 ` malat at debian dot org
2022-08-09 13:40 ` linkw at gcc dot gnu.org
2022-08-09 13:48 ` rguenth at gcc dot gnu.org
2022-08-09 13:53 ` malat at debian dot org
2022-08-09 13:56 ` malat at debian dot org
2022-08-09 14:01 ` malat at debian dot org
2022-08-09 15:28 ` pinskia at gcc dot gnu.org
2022-08-10  5:25 ` linkw at gcc dot gnu.org
2022-08-10  5:34 ` linkw at gcc dot gnu.org
2022-08-10  6:03 ` pinskia at gcc dot gnu.org
2022-08-10  6:24 ` linkw at gcc dot gnu.org
2022-08-10  9:47 ` linkw at gcc dot gnu.org
2022-08-10 12:32 ` rguenth at gcc dot gnu.org
2022-08-10 12:36 ` rguenth at gcc dot gnu.org
2022-08-11  1:18 ` linkw at gcc dot gnu.org
2022-08-15  6:51 ` linkw at gcc dot gnu.org
2022-08-16  5:50 ` cvs-commit at gcc dot gnu.org
2022-08-24  2:31 ` [Bug tree-optimization/106322] [12 " cvs-commit at gcc dot gnu.org
2022-08-24  2:53 ` linkw at gcc dot gnu.org
2022-08-24  6:51 ` rguenth at gcc dot gnu.org
2022-09-27 14:14 ` malat at debian dot org
2022-09-27 14:18 ` malat at debian dot org
2022-09-28  6:11 ` malat at debian dot org
2022-09-28  6:26 ` linkw at gcc dot gnu.org

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