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[AArch64][SVE] Add SVE2 intrinsics for polynomial arithmetic

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Summary:
Implements the following intrinsics:
 - @llvm.aarch64.sve.eorbt
 - @llvm.aarch64.sve.eortb
 - @llvm.aarch64.sve.pmullb.pair
 - @llvm.aarch64.sve.pmullt.pair

Reviewers: sdesmalen, c-rhodes, dancgr, cameron.mcinally, efriedma, rengolin

Reviewed By: efriedma

Subscribers: tschuett, kristof.beyls, hiraditya, rkruppe, psnobl, cfe-commits, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D74769
This commit is contained in:
Kerry McLaughlin 2020-02-19 09:55:36 +00:00
parent fdc5995043
commit 0625b3476c
5 changed files with 219 additions and 10 deletions
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9
include/llvm/IR/IntrinsicsAArch64.td
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@ -1998,4 +1998,13 @@ def int_aarch64_sve_adclt : AdvSIMD_3VectorArg_Intrinsic;
def int_aarch64_sve_sbclb : AdvSIMD_3VectorArg_Intrinsic;
def int_aarch64_sve_sbclt : AdvSIMD_3VectorArg_Intrinsic;
//
// SVE2 - Polynomial arithmetic
//
def int_aarch64_sve_eorbt : AdvSIMD_3VectorArg_Intrinsic;
def int_aarch64_sve_eortb : AdvSIMD_3VectorArg_Intrinsic;
def int_aarch64_sve_pmullb_pair : AdvSIMD_2VectorArg_Intrinsic;
def int_aarch64_sve_pmullt_pair : AdvSIMD_2VectorArg_Intrinsic;
}

14
lib/Target/AArch64/AArch64SVEInstrInfo.td
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@ -1609,8 +1609,8 @@ let Predicates = [HasSVE2] in {
defm SMULLT_ZZZ : sve2_wide_int_arith_long<0b11101, "smullt", int_aarch64_sve_smullt>;
defm UMULLB_ZZZ : sve2_wide_int_arith_long<0b11110, "umullb", int_aarch64_sve_umullb>;
defm UMULLT_ZZZ : sve2_wide_int_arith_long<0b11111, "umullt", int_aarch64_sve_umullt>;
defm PMULLB_ZZZ : sve2_pmul_long<0b0, "pmullb">;
defm PMULLT_ZZZ : sve2_pmul_long<0b1, "pmullt">;
defm PMULLB_ZZZ : sve2_pmul_long<0b0, "pmullb", int_aarch64_sve_pmullb_pair>;
defm PMULLT_ZZZ : sve2_pmul_long<0b1, "pmullt", int_aarch64_sve_pmullt_pair>;
// SVE2 bitwise shift and insert
defm SRI_ZZI : sve2_int_bin_shift_imm_right<0b0, "sri", int_aarch64_sve_sri>;
@ -1689,8 +1689,8 @@ let Predicates = [HasSVE2] in {
defm NMATCH_PPzZZ : sve2_char_match<0b1, "nmatch", int_aarch64_sve_nmatch>;
// SVE2 bitwise exclusive-or interleaved
defm EORBT_ZZZ : sve2_bitwise_xor_interleaved<0b0, "eorbt">;
defm EORTB_ZZZ : sve2_bitwise_xor_interleaved<0b1, "eortb">;
defm EORBT_ZZZ : sve2_bitwise_xor_interleaved<0b0, "eorbt", int_aarch64_sve_eorbt>;
defm EORTB_ZZZ : sve2_bitwise_xor_interleaved<0b1, "eortb", int_aarch64_sve_eortb>;
// SVE2 bitwise shift left long
defm SSHLLB_ZZI : sve2_bitwise_shift_left_long<0b00, "sshllb", int_aarch64_sve_sshllb>;
@ -1811,10 +1811,8 @@ let Predicates = [HasSVE2AES] in {
// PMULLB and PMULLT instructions which operate with 64-bit source and
// 128-bit destination elements are enabled with crypto extensions, similar
// to NEON PMULL2 instruction.
def PMULLB_ZZZ_Q : sve2_wide_int_arith<0b00, 0b11010, "pmullb",
ZPR128, ZPR64, ZPR64>;
def PMULLT_ZZZ_Q : sve2_wide_int_arith<0b00, 0b11011, "pmullt",
ZPR128, ZPR64, ZPR64>;
defm PMULLB_ZZZ_Q : sve2_wide_int_arith_pmul<0b00, 0b11010, "pmullb", int_aarch64_sve_pmullb_pair>;
defm PMULLT_ZZZ_Q : sve2_wide_int_arith_pmul<0b00, 0b11011, "pmullt", int_aarch64_sve_pmullt_pair>;
}
let Predicates = [HasSVE2SM4] in {

26
lib/Target/AArch64/SVEInstrFormats.td
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@ -2909,9 +2909,25 @@ multiclass sve2_wide_int_arith_wide<bits<3> opc, string asm,
def : SVE_2_Op_Pat<nxv2i64, op, nxv2i64, nxv4i32, !cast<Instruction>(NAME # _D)>;
}
multiclass sve2_pmul_long<bits<1> opc, string asm> {
multiclass sve2_wide_int_arith_pmul<bits<2> sz, bits<5> opc, string asm,
SDPatternOperator op> {
def NAME : sve2_wide_int_arith<sz, opc, asm, ZPR128, ZPR64, ZPR64>;
// To avoid using 128 bit elements in the IR, the pattern below works with
// llvm intrinsics with the _pair suffix, to reflect that
// _Q is implemented as a pair of _D.
def : SVE_2_Op_Pat<nxv2i64, op, nxv2i64, nxv2i64, !cast<Instruction>(NAME)>;
}
multiclass sve2_pmul_long<bits<1> opc, string asm, SDPatternOperator op> {
def _H : sve2_wide_int_arith<0b01, {0b1101, opc}, asm, ZPR16, ZPR8, ZPR8>;
def _D : sve2_wide_int_arith<0b11, {0b1101, opc}, asm, ZPR64, ZPR32, ZPR32>;
// To avoid using 128 bit elements in the IR, the patterns below work with
// llvm intrinsics with the _pair suffix, to reflect that
// _H is implemented as a pair of _B and _D is implemented as a pair of _S.
def : SVE_2_Op_Pat<nxv16i8, op, nxv16i8, nxv16i8, !cast<Instruction>(NAME # _H)>;
def : SVE_2_Op_Pat<nxv4i32, op, nxv4i32, nxv4i32, !cast<Instruction>(NAME # _D)>;
}
//===----------------------------------------------------------------------===//
@ -2974,11 +2990,17 @@ class sve2_bitwise_xor_interleaved<bits<2> sz, bits<1> opc, string asm,
let ElementSize = ElementSizeNone;
}
multiclass sve2_bitwise_xor_interleaved<bit opc, string asm> {
multiclass sve2_bitwise_xor_interleaved<bit opc, string asm,
SDPatternOperator op> {
def _B : sve2_bitwise_xor_interleaved<0b00, opc, asm, ZPR8, ZPR8>;
def _H : sve2_bitwise_xor_interleaved<0b01, opc, asm, ZPR16, ZPR16>;
def _S : sve2_bitwise_xor_interleaved<0b10, opc, asm, ZPR32, ZPR32>;
def _D : sve2_bitwise_xor_interleaved<0b11, opc, asm, ZPR64, ZPR64>;
def : SVE_3_Op_Pat<nxv16i8, op, nxv16i8, nxv16i8, nxv16i8, !cast<Instruction>(NAME # _B)>;
def : SVE_3_Op_Pat<nxv8i16, op, nxv8i16, nxv8i16, nxv8i16, !cast<Instruction>(NAME # _H)>;
def : SVE_3_Op_Pat<nxv4i32, op, nxv4i32, nxv4i32, nxv4i32, !cast<Instruction>(NAME # _S)>;
def : SVE_3_Op_Pat<nxv2i64, op, nxv2i64, nxv2i64, nxv2i64, !cast<Instruction>(NAME # _D)>;
}
class sve2_bitwise_shift_left_long<bits<3> tsz8_64, bits<2> opc, string asm,

31
test/CodeGen/AArch64/sve2-intrinsics-polynomial-arithmetic-128.ll Normal file
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@ -0,0 +1,31 @@
; RUN: llc -mtriple=aarch64-linux-gnu -mattr=+sve2-aes -asm-verbose=0 < %s | FileCheck %s
;
; PMULLB
;
define <vscale x 2 x i64> @pmullb_i64(<vscale x 2 x i64> %a, <vscale x 2 x i64> %b) {
; CHECK-LABEL: pmullb_i64:
; CHECK: pmullb z0.q, z0.d, z1.d
; CHECK-NEXT: ret
%out = call <vscale x 2 x i64> @llvm.aarch64.sve.pmullb.pair.nxv2i64(<vscale x 2 x i64> %a,
<vscale x 2 x i64> %b)
ret <vscale x 2 x i64> %out
}
;
; PMULLT
;
define <vscale x 2 x i64> @pmullt_i64(<vscale x 2 x i64> %a, <vscale x 2 x i64> %b) {
; CHECK-LABEL: pmullt_i64:
; CHECK: pmullt z0.q, z0.d, z1.d
; CHECK-NEXT: ret
%out = call <vscale x 2 x i64> @llvm.aarch64.sve.pmullt.pair.nxv2i64(<vscale x 2 x i64> %a,
<vscale x 2 x i64> %b)
ret <vscale x 2 x i64> %out
}
declare <vscale x 2 x i64> @llvm.aarch64.sve.pmullb.pair.nxv2i64(<vscale x 2 x i64>, <vscale x 2 x i64>)
declare <vscale x 2 x i64> @llvm.aarch64.sve.pmullt.pair.nxv2i64(<vscale x 2 x i64>, <vscale x 2 x i64>)

149
test/CodeGen/AArch64/sve2-intrinsics-polynomial-arithmetic.ll Normal file
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@ -0,0 +1,149 @@
; RUN: llc -mtriple=aarch64-linux-gnu -mattr=+sve2 -asm-verbose=0 < %s | FileCheck %s
;
; EORBT
;
define <vscale x 16 x i8> @eorbt_i8(<vscale x 16 x i8> %a, <vscale x 16 x i8> %b, <vscale x 16 x i8> %c) {
; CHECK-LABEL: eorbt_i8:
; CHECK: eorbt z0.b, z1.b, z2.b
; CHECK-NEXT: ret
%out = call <vscale x 16 x i8> @llvm.aarch64.sve.eorbt.nxv16i8(<vscale x 16 x i8> %a,
<vscale x 16 x i8> %b,
<vscale x 16 x i8> %c)
ret <vscale x 16 x i8> %out
}
define <vscale x 8 x i16> @eorbt_i16(<vscale x 8 x i16> %a, <vscale x 8 x i16> %b, <vscale x 8 x i16> %c) {
; CHECK-LABEL: eorbt_i16:
; CHECK: eorbt z0.h, z1.h, z2.h
; CHECK-NEXT: ret
%out = call <vscale x 8 x i16> @llvm.aarch64.sve.eorbt.nxv8i16(<vscale x 8 x i16> %a,
<vscale x 8 x i16> %b,
<vscale x 8 x i16> %c)
ret <vscale x 8 x i16> %out
}
define <vscale x 4 x i32> @eorbt_i32(<vscale x 4 x i32> %a, <vscale x 4 x i32> %b, <vscale x 4 x i32> %c) {
; CHECK-LABEL: eorbt_i32:
; CHECK: eorbt z0.s, z1.s, z2.s
; CHECK-NEXT: ret
%out = call <vscale x 4 x i32> @llvm.aarch64.sve.eorbt.nxv4i32(<vscale x 4 x i32> %a,
<vscale x 4 x i32> %b,
<vscale x 4 x i32> %c)
ret <vscale x 4 x i32> %out
}
define <vscale x 2 x i64> @eorbt_i64(<vscale x 2 x i64> %a, <vscale x 2 x i64> %b, <vscale x 2 x i64> %c) {
; CHECK-LABEL: eorbt_i64:
; CHECK: eorbt z0.d, z1.d, z2.d
; CHECK-NEXT: ret
%out = call <vscale x 2 x i64> @llvm.aarch64.sve.eorbt.nxv2i64(<vscale x 2 x i64> %a,
<vscale x 2 x i64> %b,
<vscale x 2 x i64> %c)
ret <vscale x 2 x i64> %out
}
;
; EORTB
;
define <vscale x 16 x i8> @eortb_i8(<vscale x 16 x i8> %a, <vscale x 16 x i8> %b, <vscale x 16 x i8> %c) {
; CHECK-LABEL: eortb_i8:
; CHECK: eortb z0.b, z1.b, z2.b
; CHECK-NEXT: ret
%out = call <vscale x 16 x i8> @llvm.aarch64.sve.eortb.nxv16i8(<vscale x 16 x i8> %a,
<vscale x 16 x i8> %b,
<vscale x 16 x i8> %c)
ret <vscale x 16 x i8> %out
}
define <vscale x 8 x i16> @eortb_i16(<vscale x 8 x i16> %a, <vscale x 8 x i16> %b, <vscale x 8 x i16> %c) {
; CHECK-LABEL: eortb_i16:
; CHECK: eortb z0.h, z1.h, z2.h
; CHECK-NEXT: ret
%out = call <vscale x 8 x i16> @llvm.aarch64.sve.eortb.nxv8i16(<vscale x 8 x i16> %a,
<vscale x 8 x i16> %b,
<vscale x 8 x i16> %c)
ret <vscale x 8 x i16> %out
}
define <vscale x 4 x i32> @eortb_i32(<vscale x 4 x i32> %a, <vscale x 4 x i32> %b, <vscale x 4 x i32> %c) {
; CHECK-LABEL: eortb_i32:
; CHECK: eortb z0.s, z1.s, z2.s
; CHECK-NEXT: ret
%out = call <vscale x 4 x i32> @llvm.aarch64.sve.eortb.nxv4i32(<vscale x 4 x i32> %a,
<vscale x 4 x i32> %b,
<vscale x 4 x i32> %c)
ret <vscale x 4 x i32> %out
}
define <vscale x 2 x i64> @eortb_i64(<vscale x 2 x i64> %a, <vscale x 2 x i64> %b, <vscale x 2 x i64> %c) {
; CHECK-LABEL: eortb_i64:
; CHECK: eortb z0.d, z1.d, z2.d
; CHECK-NEXT: ret
%out = call <vscale x 2 x i64> @llvm.aarch64.sve.eortb.nxv2i64(<vscale x 2 x i64> %a,
<vscale x 2 x i64> %b,
<vscale x 2 x i64> %c)
ret <vscale x 2 x i64> %out
}
;
; PMULLB
;
define <vscale x 16 x i8> @pmullb_i8(<vscale x 16 x i8> %a, <vscale x 16 x i8> %b) {
; CHECK-LABEL: pmullb_i8:
; CHECK: pmullb z0.h, z0.b, z1.b
; CHECK-NEXT: ret
%out = call <vscale x 16 x i8> @llvm.aarch64.sve.pmullb.pair.nxv16i8(<vscale x 16 x i8> %a,
<vscale x 16 x i8> %b)
ret <vscale x 16 x i8> %out
}
define <vscale x 4 x i32> @pmullb_i32(<vscale x 4 x i32> %a, <vscale x 4 x i32> %b) {
; CHECK-LABEL: pmullb_i32:
; CHECK: pmullb z0.d, z0.s, z1.s
; CHECK-NEXT: ret
%out = call <vscale x 4 x i32> @llvm.aarch64.sve.pmullb.pair.nxv4i32(<vscale x 4 x i32> %a,
<vscale x 4 x i32> %b)
ret <vscale x 4 x i32> %out
}
;
; PMULLT
;
define <vscale x 16 x i8> @pmullt_i8(<vscale x 16 x i8> %a, <vscale x 16 x i8> %b) {
; CHECK-LABEL: pmullt_i8:
; CHECK: pmullt z0.h, z0.b, z1.b
; CHECK-NEXT: ret
%out = call <vscale x 16 x i8> @llvm.aarch64.sve.pmullt.pair.nxv16i8(<vscale x 16 x i8> %a,
<vscale x 16 x i8> %b)
ret <vscale x 16 x i8> %out
}
define <vscale x 4 x i32> @pmullt_i32(<vscale x 4 x i32> %a, <vscale x 4 x i32> %b) {
; CHECK-LABEL: pmullt_i32:
; CHECK: pmullt z0.d, z0.s, z1.s
; CHECK-NEXT: ret
%out = call <vscale x 4 x i32> @llvm.aarch64.sve.pmullt.pair.nxv4i32(<vscale x 4 x i32> %a,
<vscale x 4 x i32> %b)
ret <vscale x 4 x i32> %out
}
declare <vscale x 16 x i8> @llvm.aarch64.sve.eorbt.nxv16i8(<vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>)
declare <vscale x 8 x i16> @llvm.aarch64.sve.eorbt.nxv8i16(<vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16>)
declare <vscale x 4 x i32> @llvm.aarch64.sve.eorbt.nxv4i32(<vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32>)
declare <vscale x 2 x i64> @llvm.aarch64.sve.eorbt.nxv2i64(<vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>)
declare <vscale x 16 x i8> @llvm.aarch64.sve.eortb.nxv16i8(<vscale x 16 x i8>, <vscale x 16 x i8>, <vscale x 16 x i8>)
declare <vscale x 8 x i16> @llvm.aarch64.sve.eortb.nxv8i16(<vscale x 8 x i16>, <vscale x 8 x i16>, <vscale x 8 x i16>)
declare <vscale x 4 x i32> @llvm.aarch64.sve.eortb.nxv4i32(<vscale x 4 x i32>, <vscale x 4 x i32>, <vscale x 4 x i32>)
declare <vscale x 2 x i64> @llvm.aarch64.sve.eortb.nxv2i64(<vscale x 2 x i64>, <vscale x 2 x i64>, <vscale x 2 x i64>)
declare <vscale x 16 x i8> @llvm.aarch64.sve.pmullb.pair.nxv16i8(<vscale x 16 x i8>, <vscale x 16 x i8>)
declare <vscale x 4 x i32> @llvm.aarch64.sve.pmullb.pair.nxv4i32(<vscale x 4 x i32>, <vscale x 4 x i32>)
declare <vscale x 16 x i8> @llvm.aarch64.sve.pmullt.pair.nxv16i8(<vscale x 16 x i8>, <vscale x 16 x i8>)
declare <vscale x 4 x i32> @llvm.aarch64.sve.pmullt.pair.nxv4i32(<vscale x 4 x i32>, <vscale x 4 x i32>)