On Thu, Jun 30, 2016 at 03:16:51PM +0300, Yuri Rumyantsev wrote:
> Hi Grüße.
>
> Could you please tell me how to reproduce your regression - did not
> see any new failures in my local area:
>
> PASS: libgomp.fortran/examples-4/simd-2.f90 -O0 (test for excess errors)
> PASS: libgomp.fortran/examples-4/simd-2.f90 -O0 execution test
> PASS: libgomp.fortran/examples-4/simd-2.f90 -O1 (test for excess errors)
> PASS: libgomp.fortran/examples-4/simd-2.f90 -O1 execution test
> PASS: libgomp.fortran/examples-4/simd-2.f90 -O2 (test for excess errors)
> PASS: libgomp.fortran/examples-4/simd-2.f90 -O2 execution test
> PASS: libgomp.fortran/examples-4/simd-2.f90 -O3 -fomit-frame-pointer
> -funroll-loops -fpeel-loops -ftracer -finline-functions (test for
> excess errors)
> PASS: libgomp.fortran/examples-4/simd-2.f90 -O3 -fomit-frame-pointer
> -funroll-loops -fpeel-loops -ftracer -finline-functions execution
> test
> PASS: libgomp.fortran/examples-4/simd-2.f90 -O3 -g (test for excess errors)
> PASS: libgomp.fortran/examples-4/simd-2.f90 -O3 -g execution test
> PASS: libgomp.fortran/examples-4/simd-2.f90 -Os (test for excess errors)
> PASS: libgomp.fortran/examples-4/simd-2.f90 -Os execution test
>
> I used HASWELL machine for it since test requires target avx.
It fails everywhere for me, without offloading configured, both 32-bit and
64-bit.
$ /home/jakub/src/gcc/obj20/gcc/xgcc -B/home/jakub/src/gcc/obj20/gcc/
../../../../libgomp/testsuite/libgomp.fortran/examples-4/simd-2.f90
-B/home/jakub/src/gcc/obj20/x86_64-pc-linux-gnu/./libgomp/
-B/home/jakub/src/gcc/obj20/x86_64-pc-linux-gnu/./libgomp/.libs
-I/home/jakub/src/gcc/obj20/x86_64-pc-linux-gnu/./libgomp
-I../../../../libgomp/testsuite/../../include
-I../../../../libgomp/testsuite/.. -fmessage-length=0
-fno-diagnostics-show-caret -Wno-hsa -fdiagnostics-color=never -fopenmp
-B/home/jakub/src/gcc/obj20/x86_64-pc-linux-gnu/./libgomp/../libquadmath/.libs/
-O2 -msse2 -mavx
-B/home/jakub/src/gcc/obj20/x86_64-pc-linux-gnu/./libgomp/../libgfortran/.libs
-fintrinsic-modules-path=/home/jakub/src/gcc/obj20/x86_64-pc-linux-gnu/./libgomp
-L/home/jakub/src/gcc/obj20/x86_64-pc-linux-gnu/./libgomp/.libs
-L/home/jakub/src/gcc/obj20/x86_64-pc-linux-gnu/./libgomp/../libquadmath/.libs/
-L/home/jakub/src/gcc/obj20/x86_64-pc-linux-gnu/./libgomp/../libgfortran/.libs
-lgfortran -lm -o ./simd-2.exe -Wl,-rpath,../.libs/ -march=haswell
$ ./simd-2.exe
Program received signal SIGSEGV: Segmentation fault - invalid memory reference.
Backtrace for this error:
#0 0x7F7548CDBD58
#1 0x7F7548CDAEE0
#2 0x3405234A4F
#3 0x400849 in __simd2_mod_MOD_work
#4 0x4008D4 in MAIN__ at simd-2.f90:?
Segmentation fault (core dumped)
With/without -march=haswell, -mtune=haswell etc.
Jakub
