diff --git a/llvm/lib/Target/AArch64/AArch64SVEInstrInfo.td b/llvm/lib/Target/AArch64/AArch64SVEInstrInfo.td --- a/llvm/lib/Target/AArch64/AArch64SVEInstrInfo.td +++ b/llvm/lib/Target/AArch64/AArch64SVEInstrInfo.td @@ -3540,7 +3540,13 @@ let Predicates = [HasSVE2orSME] in { // SVE2 floating-point base 2 logarithm as integer defm FLOGB_ZPmZ : sve2_fp_flogb<"flogb", "FLOGB_ZPZZ", int_aarch64_sve_flogb>; +} + +let Predicates = [HasSVE2orSME, UseExperimentalZeroingPseudos] in { + defm FLOGB_ZPZZ : sve2_fp_un_pred_zeroing_hsd; +} // End HasSVE2orSME, UseExperimentalZeroingPseudos +let Predicates = [HasSVE2orSME] in { // SVE2 floating-point convert precision defm FCVTXNT_ZPmZ : sve2_fp_convert_down_odd_rounding_top<"fcvtxnt", "int_aarch64_sve_fcvtxnt">; defm FCVTX_ZPmZ : sve2_fp_convert_down_odd_rounding<"fcvtx", "int_aarch64_sve_fcvtx">; @@ -3581,10 +3587,6 @@ def EXT_ZZI_B : sve2_int_perm_extract_i_cons<"ext">; } // End HasSVE2orSME -let Predicates = [HasSVE2orSME, UseExperimentalZeroingPseudos] in { - defm FLOGB_ZPZZ : sve2_fp_un_pred_zeroing_hsd; -} // End HasSVE2orSME, UseExperimentalZeroingPseudos - let Predicates = [HasSVE2] in { // SVE2 non-temporal gather loads defm LDNT1SB_ZZR_S : sve2_mem_gldnt_vs_32_ptrs<0b00000, "ldnt1sb", AArch64ldnt1s_gather_z, nxv4i8>; diff --git a/llvm/lib/Target/AArch64/SVEInstrFormats.td b/llvm/lib/Target/AArch64/SVEInstrFormats.td --- a/llvm/lib/Target/AArch64/SVEInstrFormats.td +++ b/llvm/lib/Target/AArch64/SVEInstrFormats.td @@ -430,6 +430,13 @@ (inst $Op3, $Op1, $Op2)>; } +def SVEDup0 : ComplexPattern; + +class SVE_1_Op_PassthruZero_Pat + : Pat<(vtd (op (vtd (SVEDup0)), vt1:$Op1, vt2:$Op2)), + (inst (IMPLICIT_DEF), $Op1, $Op2)>; + class SVE_1_Op_Imm_OptLsl_Pat : Pat<(vt (op (vt zprty:$Op1), (vt (splat_vector (it (cpx i32:$imm, i32:$shift)))))), @@ -506,7 +513,6 @@ : Pat<(vtd (op vt1:$Op1, vt2:$Op2, vt3:$Op3, (vt4 ImmTy:$Op4))), (inst $Op1, $Op2, $Op3, ImmTy:$Op4)>; -def SVEDup0 : ComplexPattern; def SVEDup0Undef : ComplexPattern; let AddedComplexity = 1 in { @@ -520,11 +526,6 @@ Operand vt3, Instruction inst> : Pat<(vtd (op vt1:$Op1, (vselect vt1:$Op1, vt2:$Op2, (SVEDup0)), (i32 (vt3:$Op3)))), (inst $Op1, $Op2, vt3:$Op3)>; - -class SVE_2_Op_Pat_Zero - : Pat<(vtd (op (vtd (SVEDup0)), vt1:$Op1, vt2:$Op2)), - (inst (IMPLICIT_DEF), $Op1, $Op2)>; } // @@ -2930,9 +2931,9 @@ def _ZERO_S : PredOneOpPassthruPseudo; def _ZERO_D : PredOneOpPassthruPseudo; - def : SVE_2_Op_Pat_Zero(NAME # _ZERO_H)>; - def : SVE_2_Op_Pat_Zero(NAME # _ZERO_S)>; - def : SVE_2_Op_Pat_Zero(NAME # _ZERO_D)>; + def : SVE_1_Op_PassthruZero_Pat(NAME # _ZERO_H)>; + def : SVE_1_Op_PassthruZero_Pat(NAME # _ZERO_S)>; + def : SVE_1_Op_PassthruZero_Pat(NAME # _ZERO_D)>; } multiclass sve2_fp_convert_down_odd_rounding {