[Bug target/43766] x86 prefetch doesn't use complex memory addressing

[astrange at ithinksw dot com]

------- Comment #3 from astrange at ithinksw dot com  2010-04-16 21:19 -------
Works with x86-64.

Checking -m32, the same thing happens with or without the patch:
_p:
        subl    $12, %esp
        movl    20(%esp), %eax
        sall    $2, %eax
        addl    16(%esp), %eax
        addl    $12, %esp
        prefetcht0      (%eax)
        ret


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43766