[llvm] [AArch64] Generate zeroing forms of certain SVE2.2 instructions (2/11) (PR #116828)

[via llvm-commits]

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@@ -3270,6 +3278,12 @@ multiclass sve_fp_z2op_p_zd_frint<bits<2> opc, string asm> {
   def _D : sve_fp_z2op_p_zd<{ 0b0010, opc{1}, 1, opc{0} }, asm, ZPR64, ZPR64>;
 }
 
+multiclass sve_fp_z2op_p_zd_bfcvt<bits<7> opc, string asm, SDPatternOperator op> {
+  def _StoH : sve_fp_z2op_p_zd<opc, asm, ZPR32, ZPR16>;
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CarolineConcatto wrote:

I think we can replace:
"def _StoH"  by "def NAME", because "defm BFCVT_ZPzZ_StoH"  already has the size.

https://github.com/llvm/llvm-project/pull/116828