[llvm-commits] [llvm] r76843 - in /llvm/trunk: lib/Target/X86/X86InstrSSE.td test/CodeGen/X86/vec_insertps-1.ll

[Eric Christopher]

On Jul 22, 2009, at 7:32 PM, Eli Friedman wrote:

> On Wed, Jul 22, 2009 at 7:23 PM, Eric  
> Christopher<echristo at apple.com> wrote:
>> +let Constraints = "$src1 = $dst" in {
>> +  def INSERTPSrr : SS4AIi8<0x21, MRMSrcReg, (outs VR128:$dst),
>> +                          (ins VR128:$src1, VR128:$src2, i32i8imm: 
>> $src3),
>> +                          "insertps\t{$src3, $src2, $dst|$dst,  
>> $src2, $src3}",
>> +                    [(set VR128:$dst, (int_x86_sse41_insertps  
>> VR128:$src1,
>> +                                                    VR128:$src2,  
>> imm:$src3))]>;
>> +}
>> +
>
> Don't duplicate instructions; you can use patterns to map multiple
> ways of expressing the same construct.

Hmm.. ok. I'll see how to do that then :)

thanks!

-eric