[Bug fortran/35944] [4.3, 4.4 regression] wrong result for MOD with kind=10 for some array argument values
--- Comment #3 from ubizjak at gmail dot com 2008-04-16 06:21 --- (In reply to comment #2) The tree dump for the kind=8 and kind=10 are exactly identical except for the call to __builtin_fmodl for kind=10 and __builtin_fmod for kind=8. It looks like fmodl is broken. Can somebody provide equivalent c testcase? I will look into this problem. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35944
[Bug fortran/35944] [4.3, 4.4 regression] wrong result for MOD with kind=10 for some array argument values
--- Comment #4 from ubizjak at gmail dot com 2008-04-16 11:28 --- (In reply to comment #3) Can somebody provide equivalent c testcase? I will look into this problem. I have a patch in testing. -- ubizjak at gmail dot com changed: What|Removed |Added AssignedTo|unassigned at gcc dot gnu |ubizjak at gmail dot com |dot org | Status|NEW |ASSIGNED Last reconfirmed|2008-04-15 21:02:35 |2008-04-16 11:28:36 date|| http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35944
[Bug fortran/35944] [4.3, 4.4 regression] wrong result for MOD with kind=10 for some array argument values
--- Comment #5 from uros at gcc dot gnu dot org 2008-04-16 15:54 --- Subject: Bug 35944 Author: uros Date: Wed Apr 16 15:53:59 2008 New Revision: 134348 URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=134348 Log: PR target/35944 * config/i386/i386.md (fmodxf3): Copy operand 1 and operand 2 into temporary registers. Change operand predicate to general_operand. (remainderxf3): Ditto. Modified: trunk/gcc/ChangeLog trunk/gcc/config/i386/i386.md -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35944
[Bug fortran/35944] [4.3, 4.4 regression] wrong result for MOD with kind=10 for some array argument values
--- Comment #1 from tkoenig at gcc dot gnu dot org 2008-04-15 21:02 --- Confirmed, this used to work for 4.2. $ gfortran-4.2 foo.f90 $ ./a.out kind = 10 1 -1.40 -1.40 0.00 2 -0.40 -0.40 0.00 3 -0.40 -0.40 0.00 4 -1.40 -1.40 0.00 5 -1.90 -1.90 0.00 6 -0.90 -0.90 0.00 7 -4.40 -4.40 0.00 8 -4.40 -4.40 0.00 9 -4.40 -4.40 0.00 10 -4.40 -4.40 0.00 $ gfortran-4.2 -v Using built-in specs. Target: i486-linux-gnu Configured with: ../src/configure -v --enable-languages=c,c++,fortran,objc,obj-c++ --prefix=/usr --enable-shared --with-system-zlib --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --enable-nls --with-gxx-include-dir=/usr/include/c++/4.2 --program-suffix=-4.2 --enable-clocale=gnu --enable-libstdcxx-debug --enable-objc-gc --enable-mpfr --disable-libmudflap --enable-targets=all --enable-checking=release --build=i486-linux-gnu --host=i486-linux-gnu --target=i486-linux-gnu Thread model: posix gcc version 4.2.3 (Debian 4.2.3-3) $ gfortran-4.3 foo.f90 $ ./a.out kind = 10 1 0.00 -1.40 -1.40 2 -0.00 -0.40 NaN 3 -0.40 -0.40 0.00 4 -0.40 -1.40 -1.00 5 -0.40 -1.90 -1.50 6 -0.40 -0.90 -0.50 7 -0.40 -4.40 -4.00 8 -0.40 -4.40 -4.00 9 -0.40 -4.40 -4.00 10 -0.40 -4.40 -4.00 $ gfortran-4.3 -v Using built-in specs. Target: i486-linux-gnu Configured with: ../src/configure linux gnu Thread model: posix gcc version 4.3.1 20080309 (prerelease) (Debian 4.3.0-1) -- tkoenig at gcc dot gnu dot org changed: What|Removed |Added CC||tkoenig at gcc dot gnu dot ||org Status|UNCONFIRMED |NEW Ever Confirmed|0 |1 Keywords||wrong-code Known to work||4.2.3 Last reconfirmed|-00-00 00:00:00 |2008-04-15 21:02:35 date|| Summary|wrong result for MOD with |[4.3, 4.4 regression] wrong |kind=10 for some array |result for MOD with kind=10 |argument values |for some array argument ||values http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35944
[Bug fortran/35944] [4.3, 4.4 regression] wrong result for MOD with kind=10 for some array argument values
--- Comment #2 from jvdelisle at gcc dot gnu dot org 2008-04-16 03:51 --- The tree dump for the kind=8 and kind=10 are exactly identical except for the call to __builtin_fmodl for kind=10 and __builtin_fmod for kind=8. It looks like fmodl is broken. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35944
