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Re: [PATCH] x86: allow 1- and 0-operand forms of fcomip and fucomip
On Wed, Aug 27, 2008 at 9:29 AM, Jan Beulich <jbeulich@novell.com> wrote:
>>I really don't like those x87 gas extensions. It makes it harder to look them
>>up in IA32/Intel64 SDM. I don't think we should add more unless we can't
>>live without them.
>
> So ease of porting code from other assemblers doesn't count? Also, other
Can you name the assemblers which support this extension? Porting
of assembly code is nice, but very low priority. For this particular extension,
I think assembly code should be changed according to IA32/Intel64 SDM.
BTW, I have some MASM assembly codes I'd like to assemble with gas.
> than what's in gas already, this patch only adds alternative forms (aliases)
> with less operands, so lookup in manuals isn't affected - you still look for
> the same opcode.
>
When I look at fcomip and fucomip in assembly code, I have to guess
what they are.
--
H.J.