Consider:

static const int array[] = { 0, 1, 2, 3 };

int
foo (unsigned int i)
{
  return array[i];
}

I get:

        .file   "test.cc"
        .text
        .align 2
        .p2align 2,,3
.globl _Z3fooj
        .type   _Z3fooj, @function
_Z3fooj:
.LFB2:
        movl    4(%esp), %eax
        movl    array(,%eax,4), %eax
        ret
.LFE2:
        .size   _Z3fooj, .-_Z3fooj
        .data
        .align 4
        .type   array, @object
        .size   array, 16
array:
        .long   0
        .long   1
        .long   2
        .long   3
        .ident  "GCC: (GNU) 4.1.0 20050508 (experimental)"
        .section        .note.GNU-stack,"",@progbits

Note ".data".  We could use ".rodata" for this array.

-- 
           Summary: const array doesn't live in the rodata section in C++
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Keywords: missed-optimization
          Severity: normal
          Priority: P2
         Component: c++
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: kazu at cs dot umass dot edu
                CC: gcc-bugs at gcc dot gnu dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21454

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