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Fix LLVM's handling and detection of skylake and cannonlake CPUs

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Summary:
 - Rename `"skylake"` == SkylakeServerProc to `"skylake-avx512"`
 - Change `"skylake"` to denote SkylakeClientProc
 - Fix the detection of cpu family 6 and model 94 to be
   SkylakeClientProc instead of SkylakeServerProc
 - Remove the `"cnl"` for CannonLake

Reviewers: craig.topper, delena

Subscribers: zansari, echristo, qcolombet, RKSimon, spatel, DavidKreitzer, mcrosier, llvm-commits

Differential Revision: http://reviews.llvm.org/D17090

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@261482 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Sanjoy Das 2016-02-21 17:12:03 +00:00
parent 745f68cc1a
commit 1c5b38d20f
3 changed files with 12 additions and 12 deletions
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1
lib/Support/Host.cpp
View File

@ -373,6 +373,7 @@ StringRef sys::getHostCPUName() {
// Skylake: // Skylake:
case 78: case 78:
return "skylake-avx512";
case 94: case 94:
return "skylake"; return "skylake";

5
lib/Target/X86/X86.td
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@ -474,7 +474,7 @@ def SKLFeatures : ProcessorFeatures<BDWFeatures.Value, [
// FIXME: define SKL model // FIXME: define SKL model
class SkylakeClientProc<string Name> : ProcModel<Name, HaswellModel, class SkylakeClientProc<string Name> : ProcModel<Name, HaswellModel,
SKLFeatures.Value, []>; SKLFeatures.Value, []>;
def : SkylakeClientProc<"skl">; def : SkylakeClientProc<"skylake">;
// FIXME: define KNL model // FIXME: define KNL model
class KnightsLandingProc<string Name> : ProcModel<Name, HaswellModel, class KnightsLandingProc<string Name> : ProcModel<Name, HaswellModel,
@ -508,7 +508,7 @@ def SKXFeatures : ProcessorFeatures<SKLFeatures.Value, [
// FIXME: define SKX model // FIXME: define SKX model
class SkylakeServerProc<string Name> : ProcModel<Name, HaswellModel, class SkylakeServerProc<string Name> : ProcModel<Name, HaswellModel,
SKXFeatures.Value, []>; SKXFeatures.Value, []>;
def : SkylakeServerProc<"skylake">; def : SkylakeServerProc<"skylake-avx512">;
def : SkylakeServerProc<"skx">; // Legacy alias. def : SkylakeServerProc<"skx">; // Legacy alias.
def CNLFeatures : ProcessorFeatures<SKXFeatures.Value, [ def CNLFeatures : ProcessorFeatures<SKXFeatures.Value, [
@ -520,7 +520,6 @@ def CNLFeatures : ProcessorFeatures<SKXFeatures.Value, [
class CannonlakeProc<string Name> : ProcModel<Name, HaswellModel, class CannonlakeProc<string Name> : ProcModel<Name, HaswellModel,
CNLFeatures.Value, []>; CNLFeatures.Value, []>;
def : CannonlakeProc<"cannonlake">; def : CannonlakeProc<"cannonlake">;
def : CannonlakeProc<"cnl">;
// AMD CPUs. // AMD CPUs.

18
test/CodeGen/X86/slow-unaligned-mem.ll
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@ -14,15 +14,15 @@
; Intel chips with fast unaligned memory accesses ; Intel chips with fast unaligned memory accesses
; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=silvermont 2>&1 | FileCheck %s --check-prefix=FAST ; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=silvermont 2>&1 | FileCheck %s --check-prefix=FAST
; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=nehalem 2>&1 | FileCheck %s --check-prefix=FAST ; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=nehalem 2>&1 | FileCheck %s --check-prefix=FAST
; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=westmere 2>&1 | FileCheck %s --check-prefix=FAST ; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=westmere 2>&1 | FileCheck %s --check-prefix=FAST
; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=sandybridge 2>&1 | FileCheck %s --check-prefix=FAST ; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=sandybridge 2>&1 | FileCheck %s --check-prefix=FAST
; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=ivybridge 2>&1 | FileCheck %s --check-prefix=FAST ; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=ivybridge 2>&1 | FileCheck %s --check-prefix=FAST
; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=haswell 2>&1 | FileCheck %s --check-prefix=FAST ; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=haswell 2>&1 | FileCheck %s --check-prefix=FAST
; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=broadwell 2>&1 | FileCheck %s --check-prefix=FAST ; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=broadwell 2>&1 | FileCheck %s --check-prefix=FAST
; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=knl 2>&1 | FileCheck %s --check-prefix=FAST ; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=knl 2>&1 | FileCheck %s --check-prefix=FAST
; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=skylake 2>&1 | FileCheck %s --check-prefix=FAST ; RUN: llc < %s -mtriple=i386-unknown-unknown -mcpu=skylake-avx512 2>&1 | FileCheck %s --check-prefix=FAST
; AMD chips with slow unaligned memory accesses ; AMD chips with slow unaligned memory accesses