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[X86] Support -march=sapphirerapids

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Support -march=sapphirerapids for x86.
Compare with Icelake Server, it includes 14 more new features. They are
amxtile, amxint8, amxbf16, avx512bf16, avx512vp2intersect, cldemote,
enqcmd, movdir64b, movdiri, ptwrite, serialize, shstk, tsxldtrk, waitpkg.

Reviewed By: craig.topper

Differential Revision: https://reviews.llvm.org/D86503
This commit is contained in:
Freddy Ye 2020-08-25 12:27:02 +08:00
parent 2d6ef3a647
commit 3ad559cce3
6 changed files with 38 additions and 0 deletions
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1
include/llvm/Support/X86TargetParser.def
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@ -84,6 +84,7 @@ X86_CPU_SUBTYPE(AMDFAM17H_ZNVER2, "znver2")
X86_CPU_SUBTYPE(INTEL_COREI7_CASCADELAKE, "cascadelake")
X86_CPU_SUBTYPE(INTEL_COREI7_TIGERLAKE, "tigerlake")
X86_CPU_SUBTYPE(INTEL_COREI7_COOPERLAKE, "cooperlake")
X86_CPU_SUBTYPE(INTEL_COREI7_SAPPHIRERAPIDS, "sapphirerapids")
#undef X86_CPU_SUBTYPE

1
include/llvm/Support/X86TargetParser.h
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@ -100,6 +100,7 @@ enum CPUKind {
CK_IcelakeClient,
CK_IcelakeServer,
CK_Tigerlake,
CK_SapphireRapids,
CK_KNL,
CK_KNM,
CK_Lakemont,

7
lib/Support/Host.cpp
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@ -730,6 +730,13 @@ getIntelProcessorTypeAndSubtype(unsigned Family, unsigned Model,
*Subtype = X86::INTEL_COREI7_ICELAKE_SERVER;
break;
// Sapphire Rapids:
case 0x8f:
CPU = "sapphirerapids";
*Type = X86::INTEL_COREI7;
*Subtype = X86::INTEL_COREI7_SAPPHIRERAPIDS;
break;
case 0x1c: // Most 45 nm Intel Atom processors
case 0x26: // 45 nm Atom Lincroft
case 0x27: // 32 nm Atom Medfield

7
lib/Support/X86TargetParser.cpp
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@ -195,6 +195,11 @@ static constexpr FeatureBitset FeaturesICLServer =
static constexpr FeatureBitset FeaturesTigerlake =
FeaturesICLClient | FeatureAVX512VP2INTERSECT | FeatureMOVDIR64B |
FeatureMOVDIRI | FeatureSHSTK;
static constexpr FeatureBitset FeaturesSapphireRapids =
FeaturesICLServer | FeatureAMX_TILE | FeatureAMX_INT8 | FeatureAMX_BF16 |
FeatureAVX512BF16 | FeatureAVX512VP2INTERSECT | FeatureCLDEMOTE | FeatureENQCMD |
FeatureMOVDIR64B | FeatureMOVDIRI | FeaturePTWRITE | FeatureSERIALIZE |
FeatureSHSTK | FeatureTSXLDTRK | FeatureWAITPKG;
// Intel Atom processors.
// Bonnell has feature parity with Core2 and adds MOVBE.
@ -342,6 +347,8 @@ static constexpr ProcInfo Processors[] = {
{ {"icelake-server"}, CK_IcelakeServer, FEATURE_AVX512VBMI2, FeaturesICLServer },
// Tigerlake microarchitecture based processors.
{ {"tigerlake"}, CK_Tigerlake, FEATURE_AVX512VP2INTERSECT, FeaturesTigerlake },
// Sapphire Rapids microarchitecture based processors.
{ {"sapphirerapids"}, CK_SapphireRapids, FEATURE_AVX512VP2INTERSECT, FeaturesSapphireRapids },
// Knights Landing processor.
{ {"knl"}, CK_KNL, FEATURE_AVX512F, FeaturesKNL },
// Knights Mill processor.

21
lib/Target/X86/X86.td
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@ -741,6 +741,25 @@ def ProcessorFeatures {
list<SubtargetFeature> TGLFeatures =
!listconcat(ICLFeatures, TGLAdditionalFeatures );
//Sapphirerapids
list<SubtargetFeature> SPRAdditionalFeatures = [FeatureAMXTILE,
FeatureAMXINT8,
FeatureAMXBF16,
FeatureBF16,
FeatureSERIALIZE,
FeatureCLDEMOTE,
FeatureWAITPKG,
FeaturePTWRITE,
FeatureTSXLDTRK,
FeatureENQCMD,
FeatureSHSTK,
FeatureVP2INTERSECT,
FeatureMOVDIRI,
FeatureMOVDIR64B];
list<SubtargetFeature> SPRTuning = ICXTuning;
list<SubtargetFeature> SPRFeatures =
!listconcat(ICXFeatures, SPRAdditionalFeatures);
// Atom
list<SubtargetFeature> AtomFeatures = [FeatureX87,
FeatureCMPXCHG8B,
@ -1243,6 +1262,8 @@ def : ProcModel<"icelake-server", SkylakeServerModel,
ProcessorFeatures.ICXFeatures, ProcessorFeatures.ICXTuning>;
def : ProcModel<"tigerlake", SkylakeServerModel,
ProcessorFeatures.TGLFeatures, ProcessorFeatures.TGLTuning>;
def : ProcModel<"sapphirerapids", SkylakeServerModel,
ProcessorFeatures.SPRFeatures, ProcessorFeatures.SPRTuning>;
// AMD CPUs.

1
test/CodeGen/X86/cpus-intel.ll
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@ -40,6 +40,7 @@
; RUN: llc < %s -o /dev/null -mtriple=x86_64-unknown-unknown -mcpu=icelake-client 2>&1 | FileCheck %s --check-prefix=CHECK-NO-ERROR --allow-empty
; RUN: llc < %s -o /dev/null -mtriple=x86_64-unknown-unknown -mcpu=icelake-server 2>&1 | FileCheck %s --check-prefix=CHECK-NO-ERROR --allow-empty
; RUN: llc < %s -o /dev/null -mtriple=x86_64-unknown-unknown -mcpu=tigerlake 2>&1 | FileCheck %s --check-prefix=CHECK-NO-ERROR --allow-empty
; RUN: llc < %s -o /dev/null -mtriple=x86_64-unknown-unknown -mcpu=sapphirerapids 2>&1 | FileCheck %s --check-prefix=CHECK-NO-ERROR --allow-empty
; RUN: llc < %s -o /dev/null -mtriple=x86_64-unknown-unknown -mcpu=atom 2>&1 | FileCheck %s --check-prefix=CHECK-NO-ERROR --allow-empty
; RUN: llc < %s -o /dev/null -mtriple=x86_64-unknown-unknown -mcpu=bonnell 2>&1 | FileCheck %s --check-prefix=CHECK-NO-ERROR --allow-empty
; RUN: llc < %s -o /dev/null -mtriple=x86_64-unknown-unknown -mcpu=silvermont 2>&1 | FileCheck %s --check-prefix=CHECK-NO-ERROR --allow-empty