Apparently something in the recent reorganization of the computation of fortran torture options has caused -msse2 execute tests to be run without checking if the host supports sse2:
$ egrep '^flags' /proc/cpuinfo flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 mmx fxsr sse syscall mp mmxext 3dnowext 3dnow $ egrep 'FAIL.*execute.*sse2' build/gcc-4.4-20080718/gcc/testsuite/gfortran/gfortran.sum FAIL: gfortran.fortran-torture/execute/common.f90 execution, -O2 -ftree-vectorize -msse2 FAIL: gfortran.fortran-torture/execute/common_size.f90 execution, -O2 -ftree-vectorize -msse2 FAIL: gfortran.fortran-torture/execute/forall_3.f90 execution, -O2 -ftree-vectorize -msse2 FAIL: gfortran.fortran-torture/execute/forall_5.f90 execution, -O2 -ftree-vectorize -msse2 FAIL: gfortran.fortran-torture/execute/in-pack.f90 execution, -O2 -ftree-vectorize -msse2 FAIL: gfortran.fortran-torture/execute/ptr.f90 execution, -O2 -ftree-vectorize -msse2 FAIL: gfortran.fortran-torture/execute/scalarize.f90 execution, -O2 -ftree-vectorize -msse2 FAIL: gfortran.fortran-torture/execute/scalarize2.f90 execution, -O2 -ftree-vectorize -msse2 FAIL: gfortran.fortran-torture/execute/seq_io.f90 execution, -O2 -ftree-vectorize -msse2 FAIL: gfortran.fortran-torture/execute/stack_varsize.f90 execution, -O2 -ftree-vectorize -msse2 FAIL: gfortran.fortran-torture/execute/where_2.f90 execution, -O2 -ftree-vectorize -msse2 FAIL: gfortran.fortran-torture/execute/where_7.f90 execution, -O2 -ftree-vectorize -msse2 FAIL: gfortran.fortran-torture/execute/where_8.f90 execution, -O2 -ftree-vectorize -msse2 Note that these are the only ones that happen to fail, but all the execute tests are built and run with the problematic option; this is a regression in 4.4: $ find . -name gfortran.log | xargs egrep -Hc 'execution.*msse2' ./gcc-4.0.4/stage3-gcc/testsuite/gfortran/gfortran.log:0 ./gcc-4.1.2/stage3-gcc/testsuite/gfortran/gfortran.log:0 ./gcc-4.2.4/gcc/testsuite/gfortran/gfortran.log:0 ./gcc-4.3.1/gcc/testsuite/gfortran/gfortran.log:0 ./gcc-4.4-20080718/gcc/testsuite/gfortran/gfortran.log:219 -- Summary: [4.4 regression] gfortran.fortran- torture/execute/execute.exp tries to run sse2 execute tests without checking for host support Product: gcc Version: 4.4.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: testsuite AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: brian at dessent dot net GCC host triplet: i686-pc-linux-gnu GCC target triplet: i686-pc-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36889