[llvm-dev] error: In anonymous_4820: Unrecognized node 'VRR128'!

[Craig Topper via llvm-dev]

"add" only works for integers. Floating point requires fadd. They are
different operations in hardware too so you probably need different
instructions.

~Craig

On Tue, Jul 11, 2017 at 8:55 AM, hameeza ahmed <hahmed2305 at gmail.com> wrote:

> Thank You.
>
> How to do the same for add please see the following; it gives duplication
> error.
>
> def VADD  : I<0x0E, MRMDestReg, (outs VRR128:$dst), (ins VRR128:$src1,
> VRR128:$src2),"VADD\t{$src1, $src2, $dst|$dst, $src1, $src2}", [(set
> VRR128:$dst, (add VRR128:$src1, VRR128:$src2))]>, TA;
>
> def : Pat<(add VRR128:$src1, VRR128:$src2), (VADD  VRPIM128:$src1,
>  VRPIM128:$src2)>;
> Where to place v32f32 to distinguish between the two?
>
> On Tue, Jul 11, 2017 at 7:55 PM, Craig Topper <craig.topper at gmail.com>
> wrote:
>
>> You need a type inside this bitconvert. The outer type is the destination
>> type for the bitconvert but it also needs an input type
>>
>> (store (v32i32 (bitconvert VRR128:$src)), addr:$dst)
>>
>> On Tue, Jul 11, 2017 at 7:27 AM hameeza ahmed <hahmed2305 at gmail.com>
>> wrote:
>>
>>> hello,
>>> i need to use v32i32 and v32f32 in store instructions.
>>> I defined my register as;
>>>
>>> def VRR128 : RegisterClass<"X86", [v32i32, v32f32],
>>>                           1024, (add R_0_V_0, R_1_V_0, R_2_V_0)>;
>>>
>>> def STORE_DWORD : I<0x70, MRMDestMem, (outs), (ins i2048mem:$dst,
>>> VRR128:$src),
>>>                     "STORE_DWORD\t{$src, $dst|$dst, $src}",
>>>                     [(store (v32i32 (bitconvert VRR128:$src)),
>>> addr:$dst)], IIC_MOV_MEM>, TA;
>>>
>>>
>>>
>>> def: Pat<(store (v32f32 (bitconvert (VRR128:$src))), addr:$dst),
>>> (STORE_DWORD addr:$dst, VRR128:$src)>;
>>>
>>> but getting the following error;
>>> STORE_DWORD: (st (bitconvert:v32i32 VRR128:{v32i32:v32f32}:$src),
>>> addr:iPTR:$dst)<<P:Predicate_unindexedstore>><<P:Predicate_store>>
>>> Included from /PIM/lib/Target/X86/X86.td:832:
>>> /lib/Target/X86/X86InstrInfo.td:3166:1: error: In STORE_DWORD: Could
>>> not infer all types in pattern!
>>> def STORE_DWORD : I<0x70, MRMDestMem, (outs), (ins i2048mem:$dst,
>>> VRR128:$src),
>>> ^
>>> anonymous_4820: /PIM/lib/Target/X86/X86.td:832:
>>> /lib/Target/X86/X86InstrInfo.td:3173:1: error: In anonymous_4820:
>>> Unrecognized node 'VRR128'!
>>>
>>> Please help.
>>>
>>> Thank You
>>>
>>> --
>> ~Craig
>>
>
>
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