Displaying 3 results from an estimated 3 matches for "tianhao".
2018 Nov 14
2
Fw: How to define an instruction
...swering my confusion.
I have another questions.
If I add really instructions instead intrinsics ,can I reach my purpose?
I guess ,the answer is "can't". I don't find the anything about how machine to do about instructions,especially "ALU" instructions.
Thank you again,
Tianhao Shen
On 11/14/2018 13:42，Craig Topper<craig.topper at gmail.com> wrote：
For the most part target specific intrinsics are black boxes to llvm. They're just a little bit better than using inline assembly. They're pretty much just a way to say from C code that you want to use a speci...
2018 Nov 14
2
Fw: How to define an instruction
--------- Forwarded Message ---------
From： Tianhao Shen <17862703959 at 163.com>
Date： 11/14/2018 09:31
To： craig.topper at gmail.com <craig.topper at gmail.com>
Subject： Re: [llvm-dev] How to define an instruction
Hi, Craig
Thank you for replying to me.
I guess that you misunderstand my meaning about "can'r run". I just w...
2018 Nov 07
2
how to add a instruction
...b : I<0xF0,MRMSrcReg, (outs GR32:$dst), (ins GR32:$src1,GR32:$src2), "max_qb\t {$dst, $src1,$src2}", [(set GR32:$dst,(X86max_qb GR32:$src1, GR32:$src2))]>,Sched<[WriteIMul16Reg]>,OpSize32 ;
}
}
What I don't understand is that how I define "let in ".
Thanks,
Tianhao Shen.
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