stefan@wonka:~$ lm32-rtems4.11-gcc -c -S struct_byval.c -o -
        .file   "struct_byval.c"
        .section        .text
        .align 4
        .global f0
        .type   f0, @function
f0:
        addi     sp, sp, -8
        sw       (sp+8), fp
        sw       (sp+4), ra
        addi     fp, r0, 8
        add      fp, fp, sp
        lw       fp, (sp+8)
        lw       ra, (sp+4)
        addi     sp, sp, 8
        b        ra
        .size   f0, .-f0
        .align 4
        .global f1
        .type   f1, @function
f1:
        addi     sp, sp, -1036
        sw       (sp+1036), fp
        sw       (sp+1032), ra
        addi     fp, r0, 1036
        add      fp, fp, sp
        addi     r1, sp, 4
        addi     r2, fp, 4
        addi     r3, r0, 1028
        calli    memcpy
        calli    f0
        lw       fp, (sp+1036)
        lw       ra, (sp+1032)
        addi     sp, sp, 1036
        b        ra
        .size   f1, .-f1
        .ident  "GCC: (GNU) 4.5.3"