On Linux/ia32, I got
Executing on host: /export/gnu/import/svn/gcc-test/bld/gcc/xgcc
-B/export/gnu/import/svn/gcc-test/bld/gcc/
/export/gnu/import/svn/gcc-test/src-trunk/gcc/testsuite/gcc.dg/fastmath-2.c
-O2 -ffast-math -lm -m32 -o ./fastmath-2.exe (timeout = 300)
PASS: gcc.dg/fastmath-2.c (test for excess errors)
Setting LD_LIBRARY_PATH to
:/export/gnu/import/svn/gcc-test/bld/gcc:/export/gnu/import/svn/gcc-test/bld/gcc/32::/export/gnu/import/svn/gcc-test/bld/gcc:/export/gnu/import/svn/gcc-test/bld/gcc/32:/export/gnu/import/svn/gcc-test/bld/x86_64-unknown-linux-gnu/libstdc++-v3/.libs:/export/gnu/import/svn/gcc-test/bld/x86_64-unknown-linux-gnu/libmudflap/.libs:/export/gnu/import/svn/gcc-test/bld/x86_64-unknown-linux-gnu/libssp/.libs:/export/gnu/import/svn/gcc-test/bld/x86_64-unknown-linux-gnu/libgomp/.libs:/export/gnu/import/svn/gcc-test/bld/./gcc:/export/gnu/import/svn/gcc-test/bld/./prev-gcc
FAIL: gcc.dg/fastmath-2.c execution test
--
Summary: gcc.dg/fastmath-2.c doesn't work
Product: gcc
Version: 4.4.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: middle-end
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: hjl dot tools at gmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37334