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

[via llvm-branch-commits]

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@@ -6311,6 +6311,107 @@ multiclass sve_fp_2op_p_pd<bits<3> opc, string asm,
 }
 
 
+//===----------------------------------------------------------------------===//
+// SVE Floating Point Compare - Total Order
+//===----------------------------------------------------------------------===//
+
+class sve_fp_3op_u_pd<bits<2> sz, bits<3> opc, string asm, ZPRRegOp zprty,
+                      PPRRegOp pprty>
+: I<(outs pprty:$Pd), (ins  zprty:$Zn, zprty:$Zm),
+  asm, "\t$Pd, $Zn, $Zm",
+  "", []>, Sched<[]> {
+  bits<4> Pd;
+  bits<5> Zm;
+  bits<5> Zn;
+  let Inst{31-24} = 0b01100101;
+  let Inst{23-22} = sz;
+  let Inst{21}    = 0b0;
+  let Inst{20-16} = Zm;
+  let Inst{15-13} = 0b000;
+  let Inst{12-10} = opc;
+  let Inst{9-5}   = Zn;
+  let Inst{4}     = 0;
+  let Inst{3-0}   = Pd;
+
+  let hasSideEffects = 0;
+  let mayRaiseFPException = 0;
+  let Uses = [ FPCR ];
+}
+
+
+multiclass sve_fp_3op_u_pd_totalcomp<bits<3> opc, string asm> {
+  def _H : sve_fp_3op_u_pd<0b01, opc, asm, ZPR16, PPR16>;
+  def _S : sve_fp_3op_u_pd<0b10, opc, asm, ZPR32, PPR32>;
+  def _D : sve_fp_3op_u_pd<0b11, opc, asm, ZPR64, PPR64>;
+}
+
+//===----------------------------------------------------------------------===//
+// SVE Min Max
+//===----------------------------------------------------------------------===//
+
+class sve_fp_2op_p_zds_minmax<bits<2> sz, bits<1> op, bits<2> opc, string asm,
+                       ZPRRegOp zprty>
+: I<(outs zprty:$Zdn), (ins PPR3bAny:$Pg, zprty:$_Zdn, zprty:$Zm),
+  asm, "\t$Zdn, $Pg/m, $_Zdn, $Zm",
+  "",
+  []>, Sched<[]> {
+  bits<3> Pg;
+  bits<5> Zdn;
+  bits<5> Zm;
+  let Inst{31-24} = 0b01100100;
+  let Inst{23-22} = sz;
+  let Inst{21-20} = 0b00;
+  let Inst{19}    = op;
+  let Inst{18}    = 0b0;
+  let Inst{17-16} = opc;
+  let Inst{15-13} = 0b111;
+  let Inst{12-10} = Pg;
+  let Inst{9-5}   = Zm;
+  let Inst{4-0}   = Zdn;
+
+  let Constraints = "$Zdn = $_Zdn";
+  let DestructiveInstType = DestructiveOther;
+  let ElementSize = zprty.ElementSize;
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CarolineConcatto wrote:

This one should also have:
let mayRaiseFPException = 1;

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