On Wed, Nov 20, 2013 at 12:36 PM, H. Peter Anvin <hpa@xxxxxxxxx> wrote:
>
> That being said, "lea (%rdx,%rcx,8),%ecx" (leal, as opposed to leaq) is
> a perfectly legitimate instruction and actually one byte shorter. The
> big question is if some broken version of gas will choke on it.
At least gcc-4.8.2 generates that instruction (try multiplying an
integer value by 9), so I guess gas will be happy. Except gcc uses
"leal", so to be safe..
Linus
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