Gcc 4.0 and 4.1 generate .p2align before a jump instruction. minloc1_8_r8.o in libgfortran has codes like
movl $1, 12(%ecx) .p2align 4,,2 jmp .L19 -- Summary: .p2align before a jump instruction Product: gcc Version: 4.0.2 Status: UNCONFIRMED Severity: normal Priority: P2 Component: target AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: hjl at lucon dot org CC: gcc-bugs at gcc dot gnu dot org GCC build triplet: i686-pc-linux-gnu GCC host triplet: i686-pc-linux-gnu GCC target triplet: i686-pc-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23448