diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/AArch64/AArch64SVEInstrInfo.td | 5 | ||||
| -rw-r--r-- | llvm/lib/Target/AArch64/SVEInstrFormats.td | 37 |
2 files changed, 42 insertions, 0 deletions
diff --git a/llvm/lib/Target/AArch64/AArch64SVEInstrInfo.td b/llvm/lib/Target/AArch64/AArch64SVEInstrInfo.td index 1635a60..4095c6d 100644 --- a/llvm/lib/Target/AArch64/AArch64SVEInstrInfo.td +++ b/llvm/lib/Target/AArch64/AArch64SVEInstrInfo.td @@ -1289,6 +1289,11 @@ let Predicates = [HasSVE2] in { // SVE2 histogram generation (vector) defm HISTCNT_ZPzZZ : sve2_hist_gen_vector<"histcnt">; + // SVE2 floating-point convert precision + defm FCVTXNT_ZPmZ : sve2_fp_convert_down_odd_rounding<"fcvtxnt">; + defm FCVTNT_ZPmZ : sve2_fp_convert_down_narrow<"fcvtnt">; + defm FCVTLT_ZPmZ : sve2_fp_convert_up_long<"fcvtlt">; + // Predicated shifts defm SQSHL_ZPmI : sve_int_bin_pred_shift_imm_left< 0b0110, "sqshl">; defm UQSHL_ZPmI : sve_int_bin_pred_shift_imm_left< 0b0111, "uqshl">; diff --git a/llvm/lib/Target/AArch64/SVEInstrFormats.td b/llvm/lib/Target/AArch64/SVEInstrFormats.td index 25a25e7..699c21d 100644 --- a/llvm/lib/Target/AArch64/SVEInstrFormats.td +++ b/llvm/lib/Target/AArch64/SVEInstrFormats.td @@ -1436,6 +1436,43 @@ multiclass sve_fp_fcadd<string asm> { } //===----------------------------------------------------------------------===// +// SVE2 Floating Point Convert Group +//===----------------------------------------------------------------------===// + +class sve2_fp_convert_precision<bits<4> opc, string asm, + ZPRRegOp zprty1, ZPRRegOp zprty2> +: I<(outs zprty1:$Zd), (ins PPR3bAny:$Pg, zprty2:$Zn), + asm, "\t$Zd, $Pg/m, $Zn", + "", + []>, Sched<[]> { + bits<5> Zd; + bits<5> Zn; + bits<3> Pg; + let Inst{31-24} = 0b01100100; + let Inst{23-22} = opc{3-2}; + let Inst{21-18} = 0b0010; + let Inst{17-16} = opc{1-0}; + let Inst{15-13} = 0b101; + let Inst{12-10} = Pg; + let Inst{9-5} = Zn; + let Inst{4-0} = Zd; +} + +multiclass sve2_fp_convert_down_narrow<string asm> { + def _StoH : sve2_fp_convert_precision<0b1000, asm, ZPR16, ZPR32>; + def _DtoS : sve2_fp_convert_precision<0b1110, asm, ZPR32, ZPR64>; +} + +multiclass sve2_fp_convert_up_long<string asm> { + def _HtoS : sve2_fp_convert_precision<0b1001, asm, ZPR32, ZPR16>; + def _StoD : sve2_fp_convert_precision<0b1111, asm, ZPR64, ZPR32>; +} + +multiclass sve2_fp_convert_down_odd_rounding<string asm> { + def _DtoS : sve2_fp_convert_precision<0b0010, asm, ZPR32, ZPR64>; +} + +//===----------------------------------------------------------------------===// // SVE Stack Allocation Group //===----------------------------------------------------------------------===// |