On Linux/x86_64,
c3aa339ea50f050caf7ed2e497f5499ec2d7b9cc is the first bad commit
commit c3aa339ea50f050caf7ed2e497f5499ec2d7b9cc
Author: Paul Thomas <[email protected]>
Date: Thu Jul 18 08:51:35 2024 +0100
Fortran: Suppress bogus used uninitialized warnings [PR108889].
caused
FAIL: libgomp.oacc-fortran/privatized-ref-2.f90 -DACC_DEVICE_TYPE_host=1
-DACC_MEM_SHARED=1 -foffload=disable -O0 at line 32 (test for warnings, line
31)
FAIL: libgomp.oacc-fortran/privatized-ref-2.f90 -DACC_DEVICE_TYPE_host=1
-DACC_MEM_SHARED=1 -foffload=disable -O1 at line 32 (test for warnings, line
31)
FAIL: libgomp.oacc-fortran/privatized-ref-2.f90 -DACC_DEVICE_TYPE_host=1
-DACC_MEM_SHARED=1 -foffload=disable -O2 at line 32 (test for warnings, line
31)
FAIL: libgomp.oacc-fortran/privatized-ref-2.f90 -DACC_DEVICE_TYPE_host=1
-DACC_MEM_SHARED=1 -foffload=disable -O3 -fomit-frame-pointer -funroll-loops
-fpeel-loops -ftracer -finline-functions at line 32 (test for warnings, line
31)
FAIL: libgomp.oacc-fortran/privatized-ref-2.f90 -DACC_DEVICE_TYPE_host=1
-DACC_MEM_SHARED=1 -foffload=disable -O3 -g at line 32 (test for warnings,
line 31)
FAIL: libgomp.oacc-fortran/privatized-ref-2.f90 -DACC_DEVICE_TYPE_host=1
-DACC_MEM_SHARED=1 -foffload=disable -Os at line 32 (test for warnings, line
31)
with GCC configured with
../../gcc/configure
--prefix=/export/users/haochenj/src/gcc-bisect/master/master/r15-2135/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}/x86_64-linux/libgomp/testsuite && make check
RUNTESTFLAGS="fortran.exp=libgomp.oacc-fortran/privatized-ref-2.f90
--target_board='unix{-m32}'"
$ cd {build_dir}/x86_64-linux/libgomp/testsuite && make check
RUNTESTFLAGS="fortran.exp=libgomp.oacc-fortran/privatized-ref-2.f90
--target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/x86_64-linux/libgomp/testsuite && make check
RUNTESTFLAGS="fortran.exp=libgomp.oacc-fortran/privatized-ref-2.f90
--target_board='unix{-m64}'"
$ cd {build_dir}/x86_64-linux/libgomp/testsuite && make check
RUNTESTFLAGS="fortran.exp=libgomp.oacc-fortran/privatized-ref-2.f90
--target_board='unix{-m64\ -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.)