Happens on both x86 and x86_64, Geert is working on the issue: http://gcc.gnu.org/ml/gcc-patches/2004-11/msg02379.html
,.,. C460007 ACATS 2.5 04-12-03 22:18:14 ---- C460007 Rounding for type conversions of real operand to integer target. * C460007 Wrong result for floating point operand(case 8), static target subtype. **** C460007 FAILED ****************************. -- Summary: ACATS c460007 runtime rounding problem Product: gcc Version: 4.0.0 Status: UNCONFIRMED Keywords: wrong-code Severity: normal Priority: P2 Component: ada AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: laurent at guerby dot net CC: bosch at gnat dot com,gcc-bugs at gcc dot gnu dot org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18816