[r15-2196 Regression] FAIL: c-c++-common/dfp/convert-bfp-6.c -std=gnu++98 execution test on Linux/x86_64

[Jiang, Haochen]

It might be a false positive timeout alert. Please ignore that first.

Thx,
Haochen

> -----Original Message-----
> From: haochen.jiang <haochenj@ecsmtp.sh.intel.com>
> Sent: Tuesday, July 23, 2024 7:51 PM
> To: jlaw@ventanamicro.com; gcc-regression@gcc.gnu.org; gcc-
> patches@gcc.gnu.org; Jiang, Haochen <haochen.jiang@intel.com>
> Subject: [r15-2196 Regression] FAIL: c-c++-common/dfp/convert-bfp-6.c -
> std=gnu++98 execution test on Linux/x86_64
> 
> On Linux/x86_64,
> 
> 88d16194d0c8a6bdc2896c8944bfbf3e6038c9d2 is the first bad commit
> commit 88d16194d0c8a6bdc2896c8944bfbf3e6038c9d2
> Author: Jeff Law <jlaw@ventanamicro.com>
> Date:   Mon Jul 22 08:45:10 2024 -0600
> 
>     [NFC][PR rtl-optimization/115877] Avoid setting irrelevant bit groups as live
> in ext-dce
> 
> caused
> 
> FAIL: c-c++-common/dfp/convert-bfp-10.c execution test
> FAIL: c-c++-common/dfp/convert-bfp-10.c  -std=c++14 execution test
> FAIL: c-c++-common/dfp/convert-bfp-10.c  -std=c++17 execution test
> FAIL: c-c++-common/dfp/convert-bfp-10.c  -std=c++20 execution test
> FAIL: c-c++-common/dfp/convert-bfp-10.c  -std=c++98 execution test
> FAIL: c-c++-common/dfp/convert-bfp-6.c execution test
> FAIL: c-c++-common/dfp/convert-bfp-6.c  -std=gnu++14 execution test
> FAIL: c-c++-common/dfp/convert-bfp-6.c  -std=gnu++17 execution test
> FAIL: c-c++-common/dfp/convert-bfp-6.c  -std=gnu++20 execution test
> FAIL: c-c++-common/dfp/convert-bfp-6.c  -std=gnu++98 execution test
> 
> with GCC configured with
> 
> ../../gcc/configure --prefix=/export/users/haochenj/src/gcc-
> bisect/master/master/r15-2196/usr --enable-clocale=gnu --with-system-zlib -
> -with-demangler-in-ld --with-fpmath=sse --enable-languages=c,c++,fortran --
> enable-cet --without-isl --enable-libmpx x86_64-linux --disable-bootstrap
> 
> To reproduce:
> 
> $ cd {build_dir}/gcc && make check RUNTESTFLAGS="dfp.exp=c-c++-
> common/dfp/convert-bfp-10.c --target_board='unix{-m32}'"
> $ cd {build_dir}/gcc && make check RUNTESTFLAGS="dfp.exp=c-c++-
> common/dfp/convert-bfp-10.c --target_board='unix{-m32\ -
> march=cascadelake}'"
> $ cd {build_dir}/gcc && make check RUNTESTFLAGS="dfp.exp=c-c++-
> common/dfp/convert-bfp-6.c --target_board='unix{-m32}'"
> $ cd {build_dir}/gcc && make check RUNTESTFLAGS="dfp.exp=c-c++-
> common/dfp/convert-bfp-6.c --target_board='unix{-m32\ -
> march=cascadelake}'"
> 
> (Please do not reply to this email, for question about this report, contact me at
> haochen dot jiang at intel.com.) (If you met problems with cascadelake
> related, disabling AVX512F in command line might save that.) (However,
> please make sure that there is no potential problems with AVX512.)