[lld] [llvm] [compiler-rt] [libcxx] [flang] [clang-tools-extra] [lldb] [libc] [clang] [AMDGPU][GFX12] VOP encoding and codegen - add support for v_cvt fp8/… (PR #78414)

[Mirko Brkušanin via libcxx-commits]

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@@ -305,6 +305,11 @@ class VOP3OpSel_gfx10<bits<10> op, VOPProfile p> : VOP3e_gfx10<op, p> {
 
 class VOP3OpSel_gfx11_gfx12<bits<10> op, VOPProfile p> : VOP3OpSel_gfx10<op, p>;
 
+class VOP3FP8OpSel_gfx11_gfx12<bits<10> op, VOPProfile p> : VOP3e_gfx10<op, p> {
+  let Inst{11} = !if(p.HasSrc0, src0_modifiers{2}, 0);
+  let Inst{12} = !if(p.HasSrc0, src0_modifiers{3}, 0);
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mbrkusanin wrote:

and llvm/test/CodeGen/AMDGPU/llvm.amdgcn.cvt.fp8.dpp.ll

https://github.com/llvm/llvm-project/pull/78414