[LLVMdev] Bogus X86-64 Patterns
evan.cheng at apple.com
Mon Dec 17 10:55:31 PST 2007
On Dec 17, 2007, at 10:04 AM, David Greene wrote:
> On Friday 14 December 2007 13:55, Evan Cheng wrote:
>> Actually, movq is recognized by the assembler on Leopard. I've fixed
>> Please verify. Thanks.
> The patch is similar to what I did. I'll have to create an llvm
> testcase to
> verify it as this is a Fortran code. It would also be good to have a
> regression test for this anyway.
> Does the Leopard assembler support movq for rr instructions? The
> rep64 movd sequence is ugly and esoteric. It's much more readable
> to say movq.
I agree. But unfortunately the assembler still does not recognize movq
for rr instructions. If this really bug you I'd suggest adding a
comment to the emitted assembly string.
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