[llvm] [AMDGPU][MC] Support src modifiers for v_mov_b32 and v_movrel* instructions (PR #76498)

[Joe Nash via llvm-commits]

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@@ -413,10 +438,14 @@ class VOP_MOVREL<RegisterOperand Src1RC> : VOPProfile<[untyped, i32, untyped, un
 
   let HasDst = 0;
   let EmitDst = 1; // force vdst emission
+  let HasModifiers = 1;
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Sisyph wrote:

These overrides of HasModifiers , Src0Mod, Src0ModVOP3DPP should be done before overriding InsVOP3Base. 

https://github.com/llvm/llvm-project/pull/76498