[X86] Support -march=tigerlake
Support -march=tigerlake for x86.
Compare with Icelake Client, It include 4 more new features ,they are
avx512vp2intersect, movdiri, movdir64b, shstk.
Patch by Xiang Zhang (xiangzhangllvm)
Differential Revision: https://reviews.llvm.org/D65840
llvm-svn: 368543
diff --git a/llvm/include/llvm/Support/X86TargetParser.def b/llvm/include/llvm/Support/X86TargetParser.def
index 1749be3..a4ed8ee 100644
--- a/llvm/include/llvm/Support/X86TargetParser.def
+++ b/llvm/include/llvm/Support/X86TargetParser.def
@@ -112,6 +112,7 @@
X86_CPU_SUBTYPE ("k6-3", AMDPENTIUM_K63)
X86_CPU_SUBTYPE ("geode", AMDPENTIUM_GEODE)
X86_CPU_SUBTYPE ("cooperlake", INTEL_COREI7_COOPERLAKE)
+X86_CPU_SUBTYPE ("tigerlake", INTEL_COREI7_TIGERLAKE)
#undef X86_CPU_SUBTYPE_COMPAT
#undef X86_CPU_SUBTYPE
@@ -167,5 +168,6 @@
X86_FEATURE (67, FEATURE_CLFLUSHOPT)
X86_FEATURE (68, FEATURE_SHA)
X86_FEATURE (69, FEATURE_AVX512BF16)
+X86_FEATURE (70, FEATURE_AVX512VP2INTERSECT)
#undef X86_FEATURE_COMPAT
#undef X86_FEATURE
diff --git a/llvm/lib/Support/Host.cpp b/llvm/lib/Support/Host.cpp
index 3ad1495..836b363 100644
--- a/llvm/lib/Support/Host.cpp
+++ b/llvm/lib/Support/Host.cpp
@@ -746,6 +746,13 @@
break;
default: // Unknown family 6 CPU, try to guess.
+ // TODO detect tigerlake host
+ if (Features3 & (1 << (X86::FEATURE_AVX512VP2INTERSECT - 64))) {
+ *Type = X86::INTEL_COREI7;
+ *Subtype = X86::INTEL_COREI7_TIGERLAKE;
+ break;
+ }
+
if (Features & (1 << X86::FEATURE_AVX512VBMI2)) {
*Type = X86::INTEL_COREI7;
*Subtype = X86::INTEL_COREI7_ICELAKE_CLIENT;
@@ -1078,6 +1085,8 @@
setFeature(X86::FEATURE_AVX5124VNNIW);
if (HasLeaf7 && ((EDX >> 3) & 1) && HasAVX512Save)
setFeature(X86::FEATURE_AVX5124FMAPS);
+ if (HasLeaf7 && ((EDX >> 8) & 1) && HasAVX512Save)
+ setFeature(X86::FEATURE_AVX512VP2INTERSECT);
unsigned MaxExtLevel;
getX86CpuIDAndInfo(0x80000000, &MaxExtLevel, &EBX, &ECX, &EDX);
diff --git a/llvm/lib/Target/X86/X86.td b/llvm/lib/Target/X86/X86.td
index d5f4a72..b720dac 100644
--- a/llvm/lib/Target/X86/X86.td
+++ b/llvm/lib/Target/X86/X86.td
@@ -666,6 +666,17 @@
list<SubtargetFeature> ICXFeatures =
!listconcat(ICLInheritableFeatures, ICXSpecificFeatures);
+ //Tigerlake
+ list<SubtargetFeature> TGLAdditionalFeatures = [FeatureVP2INTERSECT,
+ FeatureMOVDIRI,
+ FeatureMOVDIR64B,
+ FeatureSHSTK];
+ list<SubtargetFeature> TGLSpecificFeatures = [FeatureHasFastGather];
+ list<SubtargetFeature> TGLInheritableFeatures =
+ !listconcat(TGLAdditionalFeatures ,TGLSpecificFeatures);
+ list<SubtargetFeature> TGLFeatures =
+ !listconcat(ICLFeatures, TGLInheritableFeatures );
+
// Atom
list<SubtargetFeature> AtomInheritableFeatures = [FeatureX87,
FeatureCMPXCHG8B,
@@ -1110,6 +1121,8 @@
ProcessorFeatures.ICLFeatures>;
def : ProcessorModel<"icelake-server", SkylakeServerModel,
ProcessorFeatures.ICXFeatures>;
+def : ProcessorModel<"tigerlake", SkylakeServerModel,
+ ProcessorFeatures.TGLFeatures>;
// AMD CPUs.
diff --git a/llvm/test/CodeGen/X86/cpus-intel.ll b/llvm/test/CodeGen/X86/cpus-intel.ll
index 1177ebc..e0dd647 100644
--- a/llvm/test/CodeGen/X86/cpus-intel.ll
+++ b/llvm/test/CodeGen/X86/cpus-intel.ll
@@ -39,6 +39,7 @@
; RUN: llc < %s -o /dev/null -mtriple=x86_64-unknown-unknown -mcpu=cannonlake 2>&1 | FileCheck %s --check-prefix=CHECK-NO-ERROR --allow-empty
; 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=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