maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

[X86] -march=cooperlake (llvm) 

Support intel -march=cooperlake in llvm

Patch by Shengchen Kan (skan)

Differential Revision: https://reviews.llvm.org/D62836

llvm-svn: 362776
This commit is contained in:
Pengfei Wang 2019-06-07 08:31:35 +00:00
parent 67f9dc60b8
commit f8b28931a7
4 changed files with 23 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
llvm/include/llvm/Support/X86TargetParser.def
View File

@ -111,6 +111,7 @@ X86_CPU_SUBTYPE ("k6", AMDPENTIUM_K6)
X86_CPU_SUBTYPE ("k6-2", AMDPENTIUM_K62)
X86_CPU_SUBTYPE ("k6-3", AMDPENTIUM_K63)
X86_CPU_SUBTYPE ("geode", AMDPENTIUM_GEODE)
X86_CPU_SUBTYPE ("cooperlake", INTEL_COREI7_COOPERLAKE)
#undef X86_CPU_SUBTYPE_COMPAT
#undef X86_CPU_SUBTYPE
@ -165,5 +166,6 @@ X86_FEATURE (65, FEATURE_ADX)
X86_FEATURE (66, FEATURE_EM64T)
X86_FEATURE (67, FEATURE_CLFLUSHOPT)
X86_FEATURE (68, FEATURE_SHA)
X86_FEATURE (69, FEATURE_AVX512BF16)
#undef X86_FEATURE_COMPAT
#undef X86_FEATURE

10
llvm/lib/Support/Host.cpp
View File

@ -672,7 +672,9 @@ getIntelProcessorTypeAndSubtype(unsigned Family, unsigned Model,
// Skylake Xeon:
case 0x55:
*Type = X86::INTEL_COREI7;
if (Features2 & (1 << (X86::FEATURE_AVX512VNNI - 32)))
if (Features3 & (1 << (X86::FEATURE_AVX512BF16 - 64)))
*Subtype = X86::INTEL_COREI7_COOPERLAKE; // "cooperlake"
else if (Features2 & (1 << (X86::FEATURE_AVX512VNNI - 32)))
*Subtype = X86::INTEL_COREI7_CASCADELAKE; // "cascadelake"
else
*Subtype = X86::INTEL_COREI7_SKYLAKE_AVX512; // "skylake-avx512"
@ -748,6 +750,12 @@ getIntelProcessorTypeAndSubtype(unsigned Family, unsigned Model,
break;
}
if (Features3 & (1 << (X86::FEATURE_AVX512BF16 - 64))) {
*Type = X86::INTEL_COREI7;
*Subtype = X86::INTEL_COREI7_COOPERLAKE;
break;
}
if (Features2 & (1 << (X86::FEATURE_AVX512VNNI - 32))) {
*Type = X86::INTEL_COREI7;
*Subtype = X86::INTEL_COREI7_CASCADELAKE;

11
llvm/lib/Target/X86/X86.td
View File

@ -616,6 +616,15 @@ def ProcessorFeatures {
list<SubtargetFeature> CLXFeatures =
!listconcat(CLXInheritableFeatures, CLXSpecificFeatures);
// Cooperlake
list<SubtargetFeature> CPXAdditionalFeatures = [FeatureBF16];
list<SubtargetFeature> CPXSpecificFeatures = [FeatureHasFastGather,
FeaturePOPCNTFalseDeps];
list<SubtargetFeature> CPXInheritableFeatures =
!listconcat(CLXInheritableFeatures, CPXAdditionalFeatures);
list<SubtargetFeature> CPXFeatures =
!listconcat(CPXInheritableFeatures, CPXSpecificFeatures);
// Cannonlake
list<SubtargetFeature> CNLAdditionalFeatures = [FeatureAVX512,
FeatureCDI,
@ -1076,6 +1085,8 @@ foreach P = ["skylake-avx512", "skx"] in {
def : ProcessorModel<"cascadelake", SkylakeServerModel,
ProcessorFeatures.CLXFeatures>;
def : ProcessorModel<"cooperlake", SkylakeServerModel,
ProcessorFeatures.CPXFeatures>;
def : ProcessorModel<"cannonlake", SkylakeServerModel,
ProcessorFeatures.CNLFeatures>;
def : ProcessorModel<"icelake-client", SkylakeServerModel,

1
llvm/test/CodeGen/X86/cpus-intel.ll
View File

@ -35,6 +35,7 @@
; RUN: llc < %s -o /dev/null -mtriple=x86_64-unknown-unknown -mcpu=skylake-avx512 2>&1 | FileCheck %s --check-prefix=CHECK-NO-ERROR --allow-empty
; RUN: llc < %s -o /dev/null -mtriple=x86_64-unknown-unknown -mcpu=skx 2>&1 | FileCheck %s --check-prefix=CHECK-NO-ERROR --allow-empty
; RUN: llc < %s -o /dev/null -mtriple=x86_64-unknown-unknown -mcpu=cascadelake 2>&1 | FileCheck %s --check-prefix=CHECK-NO-ERROR --allow-empty
; RUN: llc < %s -o /dev/null -mtriple=x86_64-unknown-unknown -mcpu=cooperlake 2>&1 | FileCheck %s --check-prefix=CHECK-NO-ERROR --allow-empty
; 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