[llvm-branch-commits] [clang] [llvm] [AArch64][llvm] Add support for FEAT_FPv2 (PR #231436)

[via llvm-branch-commits]

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@@ -6161,26 +6161,30 @@ class BaseOneOperandFPComparison<bit signalAllNans,
   let PostEncoderMethod = "fixOneOperandFPComparison";
 }
 
-let mayLoad = 0, mayStore = 0, hasSideEffects = 0, mayRaiseFPException = 1, Uses = [FPCR] in
-class BaseTwoOperandFPComparison<bit signalAllNans, RegisterClass regtype,
-                                string asm, list<dag> pat>
+let mayLoad = 0, mayStore = 0, hasSideEffects = 0, Uses = [FPCR] in
+class BaseTwoOperandFPComparison<bit signalAllNans, bit totalOrder, bit magnitude,
+                                 RegisterClass regtype, string asm, list<dag> pat>
     : I<(outs), (ins regtype:$Rn, regtype:$Rm), asm, "\t$Rn, $Rm", "", pat>,
       Sched<[WriteFCmp]> {
   bits<5> Rm;
   bits<5> Rn;
   let Inst{31-24} = 0b00011110;
   let Inst{21}    = 1;
   let Inst{20-16} = Rm;
-  let Inst{15-10} = 0b001000;
+  let Inst{15}    = totalOrder;
+  let Inst{14-10} = 0b01000;
   let Inst{9-5}   = Rn;
   let Inst{4}     = signalAllNans;
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Lukacma wrote:

I think bits 4-3 should be 2 bit opcode instead

https://github.com/llvm/llvm-project/pull/231436