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[Bug tree-optimization/32533] [4.1/4.2 regression] miscompilation at -O3 -ffast-math -ftree-vectorize -march=native
- From: "jv244 at cam dot ac dot uk" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 29 Jun 2007 07:50:51 -0000
- Subject: [Bug tree-optimization/32533] [4.1/4.2 regression] miscompilation at -O3 -ffast-math -ftree-vectorize -march=native
- References: <bug-32533-6642@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #4 from jv244 at cam dot ac dot uk 2007-06-29 07:50 -------
also fails with 4.1.3
gfortran -march=k8 -mtune=k8 -ftree-vectorize -ffast-math -O3 test.f90
Using built-in specs.
Target: x86_64-unknown-linux-gnu
Configured with: /data03/vondele/gcc_4_1_branch/gcc/configure
--prefix=/data03/vondele/gcc_4_1_branch/build --with-gmp=/data03/vondele/
--with-mpfr=/data03/vondele/ --enable-languages=c,fortran
Thread model: posix
gcc version 4.1.3 20070629 (prerelease)
--
jv244 at cam dot ac dot uk changed:
What |Removed |Added
----------------------------------------------------------------------------
Known to fail|4.2.0 |4.2.0 4.1.3
Summary|[4.2 regression] |[4.1/4.2 regression]
|miscompilation at -O3 - |miscompilation at -O3 -
|ffast-math -ftree-vectorize |ffast-math -ftree-vectorize
|-march=native |-march=native
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32533