[X86] Add support for Wildcat Lake (#163214)

Add support for Wildcat Lake, per Intel Architecture Instruction Set Extensions Programming Reference rev. 59 (https://cdrdv2.intel.com/v1/dl/getContent/671368)
2026-01-13 19:08:21 +08:00 · 2025-10-15 10:36:20 +02:00
parent 4f2c867756
commit 0e6557d71c
16 changed files with 48 additions and 2 deletions
--- a/clang/docs/ReleaseNotes.rst
+++ b/clang/docs/ReleaseNotes.rst
@@ -515,6 +515,7 @@ X86 Support
  driver.
 - Remove `[no-]evex512` feature request from intrinsics and builtins.
 - Change features `avx10.x-[256,512]` to `avx10.x`.
+- `-march=wildcatlake` is now supported.

 Arm and AArch64 Support
 ^^^^^^^^^^^^^^^^^^^^^^^
--- a/clang/lib/Basic/Targets/X86.cpp
+++ b/clang/lib/Basic/Targets/X86.cpp
@@ -625,6 +625,7 @@ void X86TargetInfo::getTargetDefines(const LangOptions &Opts,
  case CK_ArrowlakeS:
  case CK_Lunarlake:
  case CK_Pantherlake:
+  case CK_Wildcatlake:
  case CK_Sierraforest:
  case CK_Grandridge:
  case CK_Graniterapids:
@@ -1613,6 +1614,7 @@ std::optional<unsigned> X86TargetInfo::getCPUCacheLineSize() const {
    case CK_ArrowlakeS:
    case CK_Lunarlake:
    case CK_Pantherlake:
+    case CK_Wildcatlake:
    case CK_Sierraforest:
    case CK_Grandridge:
    case CK_Graniterapids:
--- a/clang/test/CodeGen/attr-target-mv.c
+++ b/clang/test/CodeGen/attr-target-mv.c
@@ -30,6 +30,7 @@ int __attribute__((target("arch=gracemont"))) foo(void) {return 24;}
 int __attribute__((target("arch=pantherlake"))) foo(void) {return 25;}
 int __attribute__((target("arch=clearwaterforest"))) foo(void) {return 26;}
 int __attribute__((target("arch=diamondrapids"))) foo(void) {return 27;}
+int __attribute__((target("arch=wildcatlake"))) foo(void) {return 28;}
 int __attribute__((target("default"))) foo(void) { return 2; }

 int bar(void) {
@@ -203,6 +204,8 @@ void calls_pr50025c(void) { pr50025c(); }
 // ITANIUM: ret i32 26
 // ITANIUM: define{{.*}} i32 @foo.arch_diamondrapids()
 // ITANIUM: ret i32 27
+// ITANIUM: define{{.*}} i32 @foo.arch_wildcatlake()
+// ITANIUM: ret i32 28
 // ITANIUM: define{{.*}} i32 @foo()
 // ITANIUM: ret i32 2
 // ITANIUM: define{{.*}} i32 @bar()
@@ -262,6 +265,8 @@ void calls_pr50025c(void) { pr50025c(); }
 // WINDOWS: ret i32 26
 // WINDOWS: define dso_local i32 @foo.arch_diamondrapids()
 // WINDOWS: ret i32 27
+// WINDOWS: define dso_local i32 @foo.arch_wildcatlake()
+// WINDOWS: ret i32 28
 // WINDOWS: define dso_local i32 @foo()
 // WINDOWS: ret i32 2
 // WINDOWS: define dso_local i32 @bar()
--- a/clang/test/CodeGen/target-builtin-noerror.c
+++ b/clang/test/CodeGen/target-builtin-noerror.c
@@ -178,6 +178,7 @@ void verifycpustrings(void) {
  (void)__builtin_cpu_is("lunarlake");
  (void)__builtin_cpu_is("clearwaterforest");
  (void)__builtin_cpu_is("pantherlake");
+  (void)__builtin_cpu_is("wildcatlake");
  (void)__builtin_cpu_is("haswell");
  (void)__builtin_cpu_is("icelake-client");
  (void)__builtin_cpu_is("icelake-server");
--- a/clang/test/Driver/x86-march.c
+++ b/clang/test/Driver/x86-march.c
@@ -116,6 +116,10 @@
 // RUN:   | FileCheck %s -check-prefix=pantherlake
 // pantherlake: "-target-cpu" "pantherlake"
 //
+// RUN: %clang --target=x86_64 -c -### %s -march=wildcatlake 2>&1 \
+// RUN:   | FileCheck %s -check-prefix=wildcatlake
+// wildcatlake: "-target-cpu" "wildcatlake"
+//
 // RUN: %clang --target=x86_64 -c -### %s -march=clearwaterforest 2>&1 \
 // RUN:   | FileCheck %s -check-prefix=clearwaterforest
 // clearwaterforest: "-target-cpu" "clearwaterforest"
--- a/clang/test/Misc/target-invalid-cpu-note/x86.c
+++ b/clang/test/Misc/target-invalid-cpu-note/x86.c
@@ -63,6 +63,7 @@
 // X86-SAME: {{^}}, lunarlake
 // X86-SAME: {{^}}, gracemont
 // X86-SAME: {{^}}, pantherlake
+// X86-SAME: {{^}}, wildcatlake
 // X86-SAME: {{^}}, sierraforest
 // X86-SAME: {{^}}, grandridge
 // X86-SAME: {{^}}, graniterapids
@@ -150,6 +151,7 @@
 // X86_64-SAME: {{^}}, lunarlake
 // X86_64-SAME: {{^}}, gracemont
 // X86_64-SAME: {{^}}, pantherlake
+// X86_64-SAME: {{^}}, wildcatlake
 // X86_64-SAME: {{^}}, sierraforest
 // X86_64-SAME: {{^}}, grandridge
 // X86_64-SAME: {{^}}, graniterapids
@@ -246,6 +248,7 @@
 // TUNE_X86-SAME: {{^}}, lunarlake
 // TUNE_X86-SAME: {{^}}, gracemont
 // TUNE_X86-SAME: {{^}}, pantherlake
+// TUNE_X86-SAME: {{^}}, wildcatlake
 // TUNE_X86-SAME: {{^}}, sierraforest
 // TUNE_X86-SAME: {{^}}, grandridge
 // TUNE_X86-SAME: {{^}}, graniterapids
@@ -349,6 +352,7 @@
 // TUNE_X86_64-SAME: {{^}}, lunarlake
 // TUNE_X86_64-SAME: {{^}}, gracemont
 // TUNE_X86_64-SAME: {{^}}, pantherlake
+// TUNE_X86_64-SAME: {{^}}, wildcatlake
 // TUNE_X86_64-SAME: {{^}}, sierraforest
 // TUNE_X86_64-SAME: {{^}}, grandridge
 // TUNE_X86_64-SAME: {{^}}, graniterapids
--- a/clang/test/Preprocessor/predefined-arch-macros.c
+++ b/clang/test/Preprocessor/predefined-arch-macros.c
@@ -2526,6 +2526,9 @@
 // RUN: %clang -march=pantherlake -m32 -E -dM %s -o - 2>&1 \
 // RUN:     -target i386-unknown-linux \
 // RUN:   | FileCheck -match-full-lines %s -check-prefixes=CHECK_ARL_M32,CHECK_ARLS_M32,CHECK_NKL_M32
+// RUN: %clang -march=wildcatlake -m32 -E -dM %s -o - 2>&1 \
+// RUN:     -target i386-unknown-linux \
+// RUN:   | FileCheck -match-full-lines %s -check-prefixes=CHECK_ARL_M32,CHECK_ARLS_M32,CHECK_NKL_M32
 // RUN: %clang -march=clearwaterforest -m32 -E -dM %s -o - 2>&1 \
 // RUN:     -target i386-unknown-linux \
 // RUN:   | FileCheck -match-full-lines %s -check-prefixes=CHECK_SRF_M32,CHECK_ARLS_M32,CHECK_CWF_M32,CHECK_NKL_M32
@@ -2630,6 +2633,9 @@
 // RUN: %clang -march=pantherlake -m64 -E -dM %s -o - 2>&1 \
 // RUN:     -target i386-unknown-linux \
 // RUN:   | FileCheck -match-full-lines %s -check-prefixes=CHECK_ARL_M64,CHECK_ARLS_M64,CHECK_NKL_M64
+// RUN: %clang -march=wildcatlake -m64 -E -dM %s -o - 2>&1 \
+// RUN:     -target i386-unknown-linux \
+// RUN:   | FileCheck -match-full-lines %s -check-prefixes=CHECK_ARL_M64,CHECK_ARLS_M64,CHECK_NKL_M64
 // RUN: %clang -march=clearwaterforest -m64 -E -dM %s -o - 2>&1 \
 // RUN:     -target i386-unknown-linux \
 // RUN:   | FileCheck -match-full-lines %s -check-prefixes=CHECK_ARL_M64,CHECK_SRF_M64,CHECK_ARLS_M64,CHECK_CWF_M64,CHECK_NKL_M64
--- a/clang/test/Sema/attr-cpuspecific-cpus.c
+++ b/clang/test/Sema/attr-cpuspecific-cpus.c
@@ -87,3 +87,4 @@ ATTR(cpu_specific(lunarlake)) void CPU37(void){}
 ATTR(cpu_specific(gracemont)) void CPU38(void){}
 ATTR(cpu_specific(pantherlake)) void CPU39(void){}
 ATTR(cpu_specific(clearwaterforest)) void CPU40(void){}
+ATTR(cpu_specific(wildcatlake)) void CPU41(void){}
--- a/compiler-rt/lib/builtins/cpu_model/x86.c
+++ b/compiler-rt/lib/builtins/cpu_model/x86.c
@@ -520,6 +520,13 @@ static const char *getIntelProcessorTypeAndSubtype(unsigned Family,
      *Subtype = INTEL_COREI7_PANTHERLAKE;
      break;

+    // Wildcatlake:
+    case 0xd5:
+      CPU = "wildcatlake";
+      *Type = INTEL_COREI7;
+      *Subtype = INTEL_COREI7_PANTHERLAKE;
+      break;
+
    // Icelake Xeon:
    case 0x6a:
    case 0x6c:
--- a/llvm/docs/ReleaseNotes.md
+++ b/llvm/docs/ReleaseNotes.md
@@ -139,6 +139,8 @@ Changes to the Windows Target
 Changes to the X86 Backend
 --------------------------

+* `-mcpu=wildcatlake` is now supported.
+
 Changes to the OCaml bindings
 -----------------------------

--- a/llvm/include/llvm/TargetParser/X86TargetParser.def
+++ b/llvm/include/llvm/TargetParser/X86TargetParser.def
@@ -115,6 +115,7 @@ X86_CPU_SUBTYPE_ALIAS(INTEL_COREI7_ALDERLAKE, "meteorlake")
 X86_CPU_SUBTYPE_ALIAS(INTEL_COREI7_SAPPHIRERAPIDS, "emeraldrapids")
 X86_CPU_SUBTYPE_ALIAS(INTEL_COREI7_ARROWLAKE_S,"lunarlake")
 X86_CPU_SUBTYPE_ALIAS(INTEL_COREI7_ALDERLAKE, "gracemont")
+X86_CPU_SUBTYPE_ALIAS(INTEL_COREI7_PANTHERLAKE, "wildcatlake")

 #undef X86_CPU_SUBTYPE_ALIAS
 #undef X86_CPU_SUBTYPE
--- a/llvm/include/llvm/TargetParser/X86TargetParser.h
+++ b/llvm/include/llvm/TargetParser/X86TargetParser.h
@@ -116,6 +116,7 @@ enum CPUKind {
  CK_ArrowlakeS,
  CK_Lunarlake,
  CK_Pantherlake,
+  CK_Wildcatlake,
  CK_Sierraforest,
  CK_Grandridge,
  CK_Graniterapids,
--- a/llvm/lib/Target/X86/X86.td
+++ b/llvm/lib/Target/X86/X86.td
@@ -1338,7 +1338,6 @@ def ProcessorFeatures {
  list<SubtargetFeature> PTLFeatures =
    !listremove(ARLSFeatures, [FeatureWIDEKL]);

-
  // Clearwaterforest
  list<SubtargetFeature> CWFAdditionalFeatures = [FeaturePREFETCHI,
                                                  FeatureAVXVNNIINT16,
@@ -1880,8 +1879,10 @@ def : ProcModel<P, AlderlakePModel,
 }
 def : ProcModel<"lunarlake", LunarlakePModel, ProcessorFeatures.ARLSFeatures,
                ProcessorFeatures.ADLTuning>;
-def : ProcModel<"pantherlake", AlderlakePModel,
+foreach P = ["pantherlake", "wildcatlake"] in {
+def : ProcModel<P, AlderlakePModel,
                ProcessorFeatures.PTLFeatures, ProcessorFeatures.ADLTuning>;
+}
 def : ProcModel<"clearwaterforest", AlderlakePModel,
                ProcessorFeatures.CWFFeatures, ProcessorFeatures.ADLTuning>;
 def : ProcModel<"emeraldrapids", SapphireRapidsModel,
--- a/llvm/lib/TargetParser/Host.cpp
+++ b/llvm/lib/TargetParser/Host.cpp
@@ -964,6 +964,13 @@ static StringRef getIntelProcessorTypeAndSubtype(unsigned Family,
      *Subtype = X86::INTEL_COREI7_PANTHERLAKE;
      break;

+    // Wildcatlake:
+    case 0xd5:
+      CPU = "wildcatlake";
+      *Type = X86::INTEL_COREI7;
+      *Subtype = X86::INTEL_COREI7_PANTHERLAKE;
+      break;
+
    // Graniterapids:
    case 0xad:
      CPU = "graniterapids";
--- a/llvm/lib/TargetParser/X86TargetParser.cpp
+++ b/llvm/lib/TargetParser/X86TargetParser.cpp
@@ -378,6 +378,7 @@ constexpr ProcInfo Processors[] = {
  { {"gracemont"}, CK_Gracemont, FEATURE_AVX2, FeaturesAlderlake, 'p', false },
  // Pantherlake microarchitecture based processors.
  { {"pantherlake"}, CK_Lunarlake, FEATURE_AVX2, FeaturesPantherlake, 'p', false },
+  { {"wildcatlake"}, CK_Lunarlake, FEATURE_AVX2, FeaturesPantherlake, 'p', false },
  // Sierraforest microarchitecture based processors.
  { {"sierraforest"}, CK_Sierraforest, FEATURE_AVX2, FeaturesSierraforest, 'p', false },
  // Grandridge microarchitecture based processors.
--- a/llvm/test/CodeGen/X86/cpus-intel.ll
+++ b/llvm/test/CodeGen/X86/cpus-intel.ll
@@ -38,6 +38,7 @@
 ; RUN: llc < %s -o /dev/null -mtriple=i686-unknown-unknown -mcpu=lunarlake 2>&1 | FileCheck %s --check-prefix=CHECK-NO-ERROR --allow-empty
 ; RUN: llc < %s -o /dev/null -mtriple=i686-unknown-unknown -mcpu=gracemont 2>&1 | FileCheck %s --check-prefix=CHECK-NO-ERROR --allow-empty
 ; RUN: llc < %s -o /dev/null -mtriple=i686-unknown-unknown -mcpu=pantherlake 2>&1 | FileCheck %s --check-prefix=CHECK-NO-ERROR --allow-empty
+; RUN: llc < %s -o /dev/null -mtriple=i686-unknown-unknown -mcpu=wildcatlake 2>&1 | FileCheck %s --check-prefix=CHECK-NO-ERROR --allow-empty
 ; RUN: llc < %s -o /dev/null -mtriple=i686-unknown-unknown -mcpu=clearwaterforest 2>&1 | FileCheck %s --check-prefix=CHECK-NO-ERROR --allow-empty
 ; RUN: llc < %s -o /dev/null -mtriple=i686-unknown-unknown -mcpu=diamondrapids 2>&1 | FileCheck %s --check-prefix=CHECK-NO-ERROR --allow-empty

@@ -104,6 +105,7 @@
 ; RUN: llc < %s -o /dev/null -mtriple=x86_64-unknown-unknown -mcpu=lunarlake 2>&1 | FileCheck %s --check-prefix=CHECK-NO-ERROR --allow-empty
 ; RUN: llc < %s -o /dev/null -mtriple=x86_64-unknown-unknown -mcpu=gracemont 2>&1 | FileCheck %s --check-prefix=CHECK-NO-ERROR --allow-empty
 ; RUN: llc < %s -o /dev/null -mtriple=x86_64-unknown-unknown -mcpu=pantherlake 2>&1 | FileCheck %s --check-prefix=CHECK-NO-ERROR --allow-empty
+; RUN: llc < %s -o /dev/null -mtriple=x86_64-unknown-unknown -mcpu=wildcatlake 2>&1 | FileCheck %s --check-prefix=CHECK-NO-ERROR --allow-empty
 ; RUN: llc < %s -o /dev/null -mtriple=x86_64-unknown-unknown -mcpu=clearwaterforest 2>&1 | FileCheck %s --check-prefix=CHECK-NO-ERROR --allow-empty
 ; RUN: llc < %s -o /dev/null -mtriple=x86_64-unknown-unknown -mcpu=diamondrapids 2>&1 | FileCheck %s --check-prefix=CHECK-NO-ERROR --allow-empty