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

[Mariusz Sikora via cfe-commits]

Mirko =?utf-8?q?Brkušanin?= <mirko.brkusa...@amd.com>,
Mirko =?utf-8?q?Brkušanin?= <mirko.brkusa...@amd.com>,Mirko Brkusanin
 <mirko.brkusa...@amd.com>,Mariusz Sikora <mariusz.sik...@amd.com>
Message-ID:
In-Reply-To: <llvm.org/llvm/llvm-project/pull/78...@github.com>


================
@@ -8770,6 +8781,22 @@ void AMDGPUAsmParser::cvtVOP3DPP(MCInst &Inst, const 
OperandVector &Operands,
       }
     }
 
+    int VdstInIdx = AMDGPU::getNamedOperandIdx(Opc, AMDGPU::OpName::vdst_in);
+    if (VdstInIdx == static_cast<int>(Inst.getNumOperands())) {
+      Inst.addOperand(Inst.getOperand(0));
+    }
+
+    bool IsVOP3CvtSrDpp = Opc == AMDGPU::V_CVT_SR_BF8_F32_e64_dpp8_gfx12 ||
+                          Opc == AMDGPU::V_CVT_SR_FP8_F32_e64_dpp8_gfx12 ||
+                          Opc == AMDGPU::V_CVT_SR_BF8_F32_e64_dpp_gfx12 ||
+                          Opc == AMDGPU::V_CVT_SR_FP8_F32_e64_dpp_gfx12;
----------------
mariusz-sikora-at-amd wrote:

Thanks, I will prepare different PRs to cover this and what Joe pointed out.

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