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Add intrinsics for unary narrowing operations

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Summary:
The following intrinsics for unary narrowing operations are added:
 * @llvm.aarch64.sve.sqxtnb
 * @llvm.aarch64.sve.uqxtnb
 * @llvm.aarch64.sve.sqxtunb
 * @llvm.aarch64.sve.sqxtnt
 * @llvm.aarch64.sve.uqxtnt
 * @llvm.aarch64.sve.sqxtunt

Reviewers: sdesmalen, rengolin, efriedma

Reviewed By: efriedma

Subscribers: tschuett, kristof.beyls, hiraditya, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D71270
This commit is contained in:
Andrzej Warzynski 2019-12-10 14:32:34 +00:00
parent ee697127fe
commit 109f24d25c
4 changed files with 242 additions and 8 deletions
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22
include/llvm/IR/IntrinsicsAArch64.td
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@ -974,6 +974,17 @@ let TargetPrefix = "aarch64" in { // All intrinsics start with "llvm.aarch64.".
llvm_i32_ty],
[IntrNoMem]>;
class SVE2_1VectorArg_Narrowing_Intrinsic
: Intrinsic<[LLVMSubdivide2VectorType<0>],
[llvm_anyvector_ty],
[IntrNoMem]>;
class SVE2_Merged1VectorArg_Narrowing_Intrinsic
: Intrinsic<[LLVMSubdivide2VectorType<0>],
[LLVMSubdivide2VectorType<0>,
llvm_anyvector_ty],
[IntrNoMem]>;
// NOTE: There is no relationship between these intrinsics beyond an attempt
// to reuse currently identical class definitions.
class AdvSIMD_SVE_LOGB_Intrinsic : AdvSIMD_SVE_CNT_Intrinsic;
@ -1383,4 +1394,15 @@ def int_aarch64_sve_fmlslt_lane : SVE2_3VectorArgIndexed_Long_Intrinsic;
//
def int_aarch64_sve_flogb : AdvSIMD_SVE_LOGB_Intrinsic;
//
// SVE2 - Unary narrowing operations
//
def int_aarch64_sve_sqxtnb : SVE2_1VectorArg_Narrowing_Intrinsic;
def int_aarch64_sve_sqxtnt : SVE2_Merged1VectorArg_Narrowing_Intrinsic;
def int_aarch64_sve_sqxtunb : SVE2_1VectorArg_Narrowing_Intrinsic;
def int_aarch64_sve_sqxtunt : SVE2_Merged1VectorArg_Narrowing_Intrinsic;
def int_aarch64_sve_uqxtnb : SVE2_1VectorArg_Narrowing_Intrinsic;
def int_aarch64_sve_uqxtnt : SVE2_Merged1VectorArg_Narrowing_Intrinsic;
}

12
lib/Target/AArch64/AArch64SVEInstrInfo.td
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@ -1427,14 +1427,14 @@ let Predicates = [HasSVE2] in {
defm RSUBHNT_ZZZ : sve2_int_addsub_narrow_high_top<0b11, "rsubhnt">;
// SVE2 saturating extract narrow (bottom)
defm SQXTNB_ZZ : sve2_int_sat_extract_narrow_bottom<0b00, "sqxtnb">;
defm UQXTNB_ZZ : sve2_int_sat_extract_narrow_bottom<0b01, "uqxtnb">;
defm SQXTUNB_ZZ : sve2_int_sat_extract_narrow_bottom<0b10, "sqxtunb">;
defm SQXTNB_ZZ : sve2_int_sat_extract_narrow_bottom<0b00, "sqxtnb", int_aarch64_sve_sqxtnb>;
defm UQXTNB_ZZ : sve2_int_sat_extract_narrow_bottom<0b01, "uqxtnb", int_aarch64_sve_uqxtnb>;
defm SQXTUNB_ZZ : sve2_int_sat_extract_narrow_bottom<0b10, "sqxtunb", int_aarch64_sve_sqxtunb>;
// SVE2 saturating extract narrow (top)
defm SQXTNT_ZZ : sve2_int_sat_extract_narrow_top<0b00, "sqxtnt">;
defm UQXTNT_ZZ : sve2_int_sat_extract_narrow_top<0b01, "uqxtnt">;
defm SQXTUNT_ZZ : sve2_int_sat_extract_narrow_top<0b10, "sqxtunt">;
defm SQXTNT_ZZ : sve2_int_sat_extract_narrow_top<0b00, "sqxtnt", int_aarch64_sve_sqxtnt>;
defm UQXTNT_ZZ : sve2_int_sat_extract_narrow_top<0b01, "uqxtnt", int_aarch64_sve_uqxtnt>;
defm SQXTUNT_ZZ : sve2_int_sat_extract_narrow_top<0b10, "sqxtunt", int_aarch64_sve_sqxtunt>;
// SVE2 character match
defm MATCH_PPzZZ : sve2_char_match<0b0, "match">;

14
lib/Target/AArch64/SVEInstrFormats.td
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@ -3034,10 +3034,15 @@ class sve2_int_sat_extract_narrow_bottom<bits<3> tsz8_64, bits<2> opc, string as
let Inst{4-0} = Zd;
}
multiclass sve2_int_sat_extract_narrow_bottom<bits<2> opc, string asm> {
multiclass sve2_int_sat_extract_narrow_bottom<bits<2> opc, string asm,
SDPatternOperator op> {
def _B : sve2_int_sat_extract_narrow_bottom<0b001, opc, asm, ZPR8, ZPR16>;
def _H : sve2_int_sat_extract_narrow_bottom<0b010, opc, asm, ZPR16, ZPR32>;
def _S : sve2_int_sat_extract_narrow_bottom<0b100, opc, asm, ZPR32, ZPR64>;
def : SVE_1_Op_Pat<nxv16i8, op, nxv8i16, !cast<Instruction>(NAME # _B)>;
def : SVE_1_Op_Pat<nxv8i16, op, nxv4i32, !cast<Instruction>(NAME # _H)>;
def : SVE_1_Op_Pat<nxv4i32, op, nxv2i64, !cast<Instruction>(NAME # _S)>;
}
class sve2_int_sat_extract_narrow_top<bits<3> tsz8_64, bits<2> opc, string asm,
@ -3059,10 +3064,15 @@ class sve2_int_sat_extract_narrow_top<bits<3> tsz8_64, bits<2> opc, string asm,
let Constraints = "$Zd = $_Zd";
}
multiclass sve2_int_sat_extract_narrow_top<bits<2> opc, string asm> {
multiclass sve2_int_sat_extract_narrow_top<bits<2> opc, string asm,
SDPatternOperator op> {
def _B : sve2_int_sat_extract_narrow_top<0b001, opc, asm, ZPR8, ZPR16>;
def _H : sve2_int_sat_extract_narrow_top<0b010, opc, asm, ZPR16, ZPR32>;
def _S : sve2_int_sat_extract_narrow_top<0b100, opc, asm, ZPR32, ZPR64>;
def : SVE_2_Op_Pat<nxv16i8, op, nxv16i8, nxv8i16, !cast<Instruction>(NAME # _B)>;
def : SVE_2_Op_Pat<nxv8i16, op, nxv8i16, nxv4i32, !cast<Instruction>(NAME # _H)>;
def : SVE_2_Op_Pat<nxv4i32, op, nxv4i32, nxv2i64, !cast<Instruction>(NAME # _S)>;
}
//===----------------------------------------------------------------------===//

202
test/CodeGen/AArch64/sve2-intrinsics-unary-narrowing.ll Normal file
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@ -0,0 +1,202 @@
; RUN: llc -mtriple=aarch64-linux-gnu -mattr=+sve2 < %s | FileCheck %s
;
; SQXTNB
;
define <vscale x 16 x i8> @sqxtnb_h(<vscale x 8 x i16> %a) {
; CHECK-LABEL: sqxtnb_h:
; CHECK: sqxtnb z0.b, z0.h
; CHECK-NEXT: ret
%out = call <vscale x 16 x i8> @llvm.aarch64.sve.sqxtnb.nxv8i16(<vscale x 8 x i16> %a)
ret <vscale x 16 x i8> %out
}
define <vscale x 8 x i16> @sqxtnb_s(<vscale x 4 x i32> %a) {
; CHECK-LABEL: sqxtnb_s:
; CHECK: sqxtnb z0.h, z0.s
; CHECK-NEXT: ret
%out = call <vscale x 8 x i16> @llvm.aarch64.sve.sqxtnb.nxv4i32(<vscale x 4 x i32> %a)
ret <vscale x 8 x i16> %out
}
define <vscale x 4 x i32> @sqxtnb_d(<vscale x 2 x i64> %a) {
; CHECK-LABEL: sqxtnb_d:
; CHECK: sqxtnb z0.s, z0.d
; CHECK-NEXT: ret
%out = call <vscale x 4 x i32> @llvm.aarch64.sve.sqxtnb.nxv2i64(<vscale x 2 x i64> %a)
ret <vscale x 4 x i32> %out
}
;
; UQXTNB
;
define <vscale x 16 x i8> @uqxtnb_h(<vscale x 8 x i16> %a) {
; CHECK-LABEL: uqxtnb_h:
; CHECK: uqxtnb z0.b, z0.h
; CHECK-NEXT: ret
%out = call <vscale x 16 x i8> @llvm.aarch64.sve.uqxtnb.nxv8i16(<vscale x 8 x i16> %a)
ret <vscale x 16 x i8> %out
}
define <vscale x 8 x i16> @uqxtnb_s(<vscale x 4 x i32> %a) {
; CHECK-LABEL: uqxtnb_s:
; CHECK: uqxtnb z0.h, z0.s
; CHECK-NEXT: ret
%out = call <vscale x 8 x i16> @llvm.aarch64.sve.uqxtnb.nxv4i32(<vscale x 4 x i32> %a)
ret <vscale x 8 x i16> %out
}
define <vscale x 4 x i32> @uqxtnb_d(<vscale x 2 x i64> %a) {
; CHECK-LABEL: uqxtnb_d:
; CHECK: uqxtnb z0.s, z0.d
; CHECK-NEXT: ret
%out = call <vscale x 4 x i32> @llvm.aarch64.sve.uqxtnb.nxv2i64(<vscale x 2 x i64> %a)
ret <vscale x 4 x i32> %out
}
;
; SQXTUNB
;
define <vscale x 16 x i8> @sqxtunb_h(<vscale x 8 x i16> %a) {
; CHECK-LABEL: sqxtunb_h:
; CHECK: sqxtunb z0.b, z0.h
; CHECK-NEXT: ret
%out = call <vscale x 16 x i8> @llvm.aarch64.sve.sqxtunb.nxv8i16(<vscale x 8 x i16> %a)
ret <vscale x 16 x i8> %out
}
define <vscale x 8 x i16> @sqxtunb_s(<vscale x 4 x i32> %a) {
; CHECK-LABEL: sqxtunb_s:
; CHECK: sqxtunb z0.h, z0.s
; CHECK-NEXT: ret
%out = call <vscale x 8 x i16> @llvm.aarch64.sve.sqxtunb.nxv4i32(<vscale x 4 x i32> %a)
ret <vscale x 8 x i16> %out
}
define <vscale x 4 x i32> @sqxtunb_d(<vscale x 2 x i64> %a) {
; CHECK-LABEL: sqxtunb_d:
; CHECK: sqxtunb z0.s, z0.d
; CHECK-NEXT: ret
%out = call <vscale x 4 x i32> @llvm.aarch64.sve.sqxtunb.nxv2i64(<vscale x 2 x i64> %a)
ret <vscale x 4 x i32> %out
}
;
; SQXTNT
;
define <vscale x 16 x i8> @sqxtnt_h(<vscale x 16 x i8> %a, <vscale x 8 x i16> %b) {
; CHECK-LABEL: sqxtnt_h:
; CHECK: sqxtnt z0.b, z1.h
; CHECK-NEXT: ret
%out = call <vscale x 16 x i8> @llvm.aarch64.sve.sqxtnt.nxv8i16(<vscale x 16 x i8> %a,
<vscale x 8 x i16> %b)
ret <vscale x 16 x i8> %out
}
define <vscale x 8 x i16> @sqxtnt_s(<vscale x 8 x i16> %a, <vscale x 4 x i32> %b) {
; CHECK-LABEL: sqxtnt_s:
; CHECK: sqxtnt z0.h, z1.s
; CHECK-NEXT: ret
%out = call <vscale x 8 x i16> @llvm.aarch64.sve.sqxtnt.nxv4i32(<vscale x 8 x i16> %a,
<vscale x 4 x i32> %b)
ret <vscale x 8 x i16> %out
}
define <vscale x 4 x i32> @sqxtnt_d(<vscale x 4 x i32> %a, <vscale x 2 x i64> %b) {
; CHECK-LABEL: sqxtnt_d:
; CHECK: sqxtnt z0.s, z1.d
; CHECK-NEXT: ret
%out = call <vscale x 4 x i32> @llvm.aarch64.sve.sqxtnt.nxv2i64(<vscale x 4 x i32> %a,
<vscale x 2 x i64> %b)
ret <vscale x 4 x i32> %out
}
;
; UQXTNT
;
define <vscale x 16 x i8> @uqxtnt_h(<vscale x 16 x i8> %a, <vscale x 8 x i16> %b) {
; CHECK-LABEL: uqxtnt_h:
; CHECK: uqxtnt z0.b, z1.h
; CHECK-NEXT: ret
%out = call <vscale x 16 x i8> @llvm.aarch64.sve.uqxtnt.nxv8i16(<vscale x 16 x i8> %a,
<vscale x 8 x i16> %b)
ret <vscale x 16 x i8> %out
}
define <vscale x 8 x i16> @uqxtnt_s(<vscale x 8 x i16> %a, <vscale x 4 x i32> %b) {
; CHECK-LABEL: uqxtnt_s:
; CHECK: uqxtnt z0.h, z1.s
; CHECK-NEXT: ret
%out = call <vscale x 8 x i16> @llvm.aarch64.sve.uqxtnt.nxv4i32(<vscale x 8 x i16> %a,
<vscale x 4 x i32> %b)
ret <vscale x 8 x i16> %out
}
define <vscale x 4 x i32> @uqxtnt_d(<vscale x 4 x i32> %a, <vscale x 2 x i64> %b) {
; CHECK-LABEL: uqxtnt_d:
; CHECK: uqxtnt z0.s, z1.d
; CHECK-NEXT: ret
%out = call <vscale x 4 x i32> @llvm.aarch64.sve.uqxtnt.nxv2i64(<vscale x 4 x i32> %a,
<vscale x 2 x i64> %b)
ret <vscale x 4 x i32> %out
}
;
; SQXTUNT
;
define <vscale x 16 x i8> @sqxtunt_h(<vscale x 16 x i8> %a, <vscale x 8 x i16> %b) {
; CHECK-LABEL: sqxtunt_h:
; CHECK: sqxtunt z0.b, z1.h
; CHECK-NEXT: ret
%out = call <vscale x 16 x i8> @llvm.aarch64.sve.sqxtunt.nxv8i16(<vscale x 16 x i8> %a,
<vscale x 8 x i16> %b)
ret <vscale x 16 x i8> %out
}
define <vscale x 8 x i16> @sqxtunt_s(<vscale x 8 x i16> %a, <vscale x 4 x i32> %b) {
; CHECK-LABEL: sqxtunt_s:
; CHECK: sqxtunt z0.h, z1.s
; CHECK-NEXT: ret
%out = call <vscale x 8 x i16> @llvm.aarch64.sve.sqxtunt.nxv4i32(<vscale x 8 x i16> %a,
<vscale x 4 x i32> %b)
ret <vscale x 8 x i16> %out
}
define <vscale x 4 x i32> @sqxtunt_d(<vscale x 4 x i32> %a, <vscale x 2 x i64> %b) {
; CHECK-LABEL: sqxtunt_d:
; CHECK: sqxtunt z0.s, z1.d
; CHECK-NEXT: ret
%out = call <vscale x 4 x i32> @llvm.aarch64.sve.sqxtunt.nxv2i64(<vscale x 4 x i32> %a,
<vscale x 2 x i64> %b)
ret <vscale x 4 x i32> %out
}
declare <vscale x 16 x i8> @llvm.aarch64.sve.sqxtnb.nxv8i16(<vscale x 8 x i16>)
declare <vscale x 8 x i16> @llvm.aarch64.sve.sqxtnb.nxv4i32(<vscale x 4 x i32>)
declare <vscale x 4 x i32> @llvm.aarch64.sve.sqxtnb.nxv2i64(<vscale x 2 x i64>)
declare <vscale x 16 x i8> @llvm.aarch64.sve.uqxtnb.nxv8i16(<vscale x 8 x i16>)
declare <vscale x 8 x i16> @llvm.aarch64.sve.uqxtnb.nxv4i32(<vscale x 4 x i32>)
declare <vscale x 4 x i32> @llvm.aarch64.sve.uqxtnb.nxv2i64(<vscale x 2 x i64>)
declare <vscale x 16 x i8> @llvm.aarch64.sve.sqxtunb.nxv8i16(<vscale x 8 x i16>)
declare <vscale x 8 x i16> @llvm.aarch64.sve.sqxtunb.nxv4i32(<vscale x 4 x i32>)
declare <vscale x 4 x i32> @llvm.aarch64.sve.sqxtunb.nxv2i64(<vscale x 2 x i64>)
declare <vscale x 16 x i8> @llvm.aarch64.sve.sqxtnt.nxv8i16(<vscale x 16 x i8>, <vscale x 8 x i16>)
declare <vscale x 8 x i16> @llvm.aarch64.sve.sqxtnt.nxv4i32(<vscale x 8 x i16>, <vscale x 4 x i32>)
declare <vscale x 4 x i32> @llvm.aarch64.sve.sqxtnt.nxv2i64(<vscale x 4 x i32>, <vscale x 2 x i64>)
declare <vscale x 16 x i8> @llvm.aarch64.sve.uqxtnt.nxv8i16(<vscale x 16 x i8>, <vscale x 8 x i16>)
declare <vscale x 8 x i16> @llvm.aarch64.sve.uqxtnt.nxv4i32(<vscale x 8 x i16>, <vscale x 4 x i32>)
declare <vscale x 4 x i32> @llvm.aarch64.sve.uqxtnt.nxv2i64(<vscale x 4 x i32>, <vscale x 2 x i64>)
declare <vscale x 16 x i8> @llvm.aarch64.sve.sqxtunt.nxv8i16(<vscale x 16 x i8>, <vscale x 8 x i16>)
declare <vscale x 8 x i16> @llvm.aarch64.sve.sqxtunt.nxv4i32(<vscale x 8 x i16>, <vscale x 4 x i32>)
declare <vscale x 4 x i32> @llvm.aarch64.sve.sqxtunt.nxv2i64(<vscale x 4 x i32>, <vscale x 2 x i64>)