[clang] [llvm] [PowerPC] Add support for -mcpu=pwr11 / -mtune=pwr11 (PR #99511)
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Thu Jul 18 08:19:09 PDT 2024
https://github.com/azhan92 created https://github.com/llvm/llvm-project/pull/99511
This PR adds support for -mcpu=pwr11/power11 and -mtune=pwr11/power11 in clang and llvm.
>From 52100e3378c86eddb9a4757f8f3e175804a6dc76 Mon Sep 17 00:00:00 2001
From: Alison Zhang <alisonzhang at ibm.com>
Date: Thu, 18 Jul 2024 10:27:40 -0400
Subject: [PATCH] Add support for -mcpu=pwr11 / -mtune=pwr11
---
clang/lib/Basic/Targets/PPC.cpp | 39 ++++++++++++-------
clang/lib/Basic/Targets/PPC.h | 19 ++++++---
clang/lib/Driver/ToolChains/Arch/PPC.cpp | 3 ++
clang/test/Misc/target-invalid-cpu-note.c | 2 +-
clang/test/Preprocessor/init-ppc64.c | 20 ++++++++++
llvm/lib/Target/PowerPC/PPC.td | 21 ++++++++--
llvm/lib/Target/PowerPC/PPCISelLowering.cpp | 1 +
llvm/lib/Target/PowerPC/PPCSubtarget.h | 1 +
.../Target/PowerPC/PPCTargetTransformInfo.cpp | 4 +-
llvm/lib/TargetParser/Host.cpp | 1 +
10 files changed, 86 insertions(+), 25 deletions(-)
diff --git a/clang/lib/Basic/Targets/PPC.cpp b/clang/lib/Basic/Targets/PPC.cpp
index 4ba4a49311d36..9ff54083c923b 100644
--- a/clang/lib/Basic/Targets/PPC.cpp
+++ b/clang/lib/Basic/Targets/PPC.cpp
@@ -385,6 +385,8 @@ void PPCTargetInfo::getTargetDefines(const LangOptions &Opts,
Builder.defineMacro("_ARCH_PWR9");
if (ArchDefs & ArchDefinePwr10)
Builder.defineMacro("_ARCH_PWR10");
+ if (ArchDefs & ArchDefinePwr11)
+ Builder.defineMacro("_ARCH_PWR11");
if (ArchDefs & ArchDefineA2)
Builder.defineMacro("_ARCH_A2");
if (ArchDefs & ArchDefineE500)
@@ -622,10 +624,17 @@ bool PPCTargetInfo::initFeatureMap(
addP10SpecificFeatures(Features);
}
- // Future CPU should include all of the features of Power 10 as well as any
+ // Power11 includes all the same features as Power10 plus any features
+ // specific to the Power11 core.
+ if (CPU == "pwr11" || CPU == "power11") {
+ initFeatureMap(Features, Diags, "pwr10", FeaturesVec);
+ addP11SpecificFeatures(Features);
+ }
+
+ // Future CPU should include all of the features of Power 11 as well as any
// additional features (yet to be determined) specific to it.
if (CPU == "future") {
- initFeatureMap(Features, Diags, "pwr10", FeaturesVec);
+ initFeatureMap(Features, Diags, "pwr11", FeaturesVec);
addFutureSpecificFeatures(Features);
}
@@ -696,6 +705,10 @@ void PPCTargetInfo::addP10SpecificFeatures(
Features["isa-v31-instructions"] = true;
}
+// Add any Power11 specific features.
+void PPCTargetInfo::addP11SpecificFeatures(
+ llvm::StringMap<bool> &Features) const {}
+
// Add features specific to the "Future" CPU.
void PPCTargetInfo::addFutureSpecificFeatures(
llvm::StringMap<bool> &Features) const {}
@@ -870,17 +883,17 @@ ArrayRef<TargetInfo::AddlRegName> PPCTargetInfo::getGCCAddlRegNames() const {
}
static constexpr llvm::StringLiteral ValidCPUNames[] = {
- {"generic"}, {"440"}, {"450"}, {"601"}, {"602"},
- {"603"}, {"603e"}, {"603ev"}, {"604"}, {"604e"},
- {"620"}, {"630"}, {"g3"}, {"7400"}, {"g4"},
- {"7450"}, {"g4+"}, {"750"}, {"8548"}, {"970"},
- {"g5"}, {"a2"}, {"e500"}, {"e500mc"}, {"e5500"},
- {"power3"}, {"pwr3"}, {"power4"}, {"pwr4"}, {"power5"},
- {"pwr5"}, {"power5x"}, {"pwr5x"}, {"power6"}, {"pwr6"},
- {"power6x"}, {"pwr6x"}, {"power7"}, {"pwr7"}, {"power8"},
- {"pwr8"}, {"power9"}, {"pwr9"}, {"power10"}, {"pwr10"},
- {"powerpc"}, {"ppc"}, {"ppc32"}, {"powerpc64"}, {"ppc64"},
- {"powerpc64le"}, {"ppc64le"}, {"future"}};
+ {"generic"}, {"440"}, {"450"}, {"601"}, {"602"},
+ {"603"}, {"603e"}, {"603ev"}, {"604"}, {"604e"},
+ {"620"}, {"630"}, {"g3"}, {"7400"}, {"g4"},
+ {"7450"}, {"g4+"}, {"750"}, {"8548"}, {"970"},
+ {"g5"}, {"a2"}, {"e500"}, {"e500mc"}, {"e5500"},
+ {"power3"}, {"pwr3"}, {"power4"}, {"pwr4"}, {"power5"},
+ {"pwr5"}, {"power5x"}, {"pwr5x"}, {"power6"}, {"pwr6"},
+ {"power6x"}, {"pwr6x"}, {"power7"}, {"pwr7"}, {"power8"},
+ {"pwr8"}, {"power9"}, {"pwr9"}, {"power10"}, {"pwr10"},
+ {"power11"}, {"pwr11"}, {"powerpc"}, {"ppc"}, {"ppc32"},
+ {"powerpc64"}, {"ppc64"}, {"powerpc64le"}, {"ppc64le"}, {"future"}};
bool PPCTargetInfo::isValidCPUName(StringRef Name) const {
return llvm::is_contained(ValidCPUNames, Name);
diff --git a/clang/lib/Basic/Targets/PPC.h b/clang/lib/Basic/Targets/PPC.h
index b15ab6fbcf492..6d5d8dd54d013 100644
--- a/clang/lib/Basic/Targets/PPC.h
+++ b/clang/lib/Basic/Targets/PPC.h
@@ -44,8 +44,9 @@ class LLVM_LIBRARY_VISIBILITY PPCTargetInfo : public TargetInfo {
ArchDefinePwr8 = 1 << 12,
ArchDefinePwr9 = 1 << 13,
ArchDefinePwr10 = 1 << 14,
- ArchDefineFuture = 1 << 15,
- ArchDefineA2 = 1 << 16,
+ ArchDefinePwr11 = 1 << 15,
+ ArchDefineFuture = 1 << 16,
+ ArchDefineA2 = 1 << 17,
ArchDefineE500 = 1 << 18
} ArchDefineTypes;
@@ -166,11 +167,16 @@ class LLVM_LIBRARY_VISIBILITY PPCTargetInfo : public TargetInfo {
ArchDefinePwr7 | ArchDefinePwr6 | ArchDefinePwr5x |
ArchDefinePwr5 | ArchDefinePwr4 | ArchDefinePpcgr |
ArchDefinePpcsq)
+ .Cases("power11", "pwr11",
+ ArchDefinePwr11 | ArchDefinePwr10 | ArchDefinePwr9 |
+ ArchDefinePwr8 | ArchDefinePwr7 | ArchDefinePwr6 |
+ ArchDefinePwr5x | ArchDefinePwr5 | ArchDefinePwr4 |
+ ArchDefinePpcgr | ArchDefinePpcsq)
.Case("future",
- ArchDefineFuture | ArchDefinePwr10 | ArchDefinePwr9 |
- ArchDefinePwr8 | ArchDefinePwr7 | ArchDefinePwr6 |
- ArchDefinePwr5x | ArchDefinePwr5 | ArchDefinePwr4 |
- ArchDefinePpcgr | ArchDefinePpcsq)
+ ArchDefineFuture | ArchDefinePwr11 | ArchDefinePwr10 |
+ ArchDefinePwr9 | ArchDefinePwr8 | ArchDefinePwr7 |
+ ArchDefinePwr6 | ArchDefinePwr5x | ArchDefinePwr5 |
+ ArchDefinePwr4 | ArchDefinePpcgr | ArchDefinePpcsq)
.Cases("8548", "e500", ArchDefineE500)
.Default(ArchDefineNone);
}
@@ -192,6 +198,7 @@ class LLVM_LIBRARY_VISIBILITY PPCTargetInfo : public TargetInfo {
const std::vector<std::string> &FeaturesVec) const override;
void addP10SpecificFeatures(llvm::StringMap<bool> &Features) const;
+ void addP11SpecificFeatures(llvm::StringMap<bool> &Features) const;
void addFutureSpecificFeatures(llvm::StringMap<bool> &Features) const;
bool handleTargetFeatures(std::vector<std::string> &Features,
diff --git a/clang/lib/Driver/ToolChains/Arch/PPC.cpp b/clang/lib/Driver/ToolChains/Arch/PPC.cpp
index 634c096523319..acd5757d6ea97 100644
--- a/clang/lib/Driver/ToolChains/Arch/PPC.cpp
+++ b/clang/lib/Driver/ToolChains/Arch/PPC.cpp
@@ -70,6 +70,7 @@ static std::string normalizeCPUName(StringRef CPUName, const llvm::Triple &T) {
.Case("power8", "pwr8")
.Case("power9", "pwr9")
.Case("power10", "pwr10")
+ .Case("power11", "pwr11")
.Case("future", "future")
.Case("powerpc", "ppc")
.Case("powerpc64", "ppc64")
@@ -103,6 +104,8 @@ const char *ppc::getPPCAsmModeForCPU(StringRef Name) {
.Case("power9", "-mpower9")
.Case("pwr10", "-mpower10")
.Case("power10", "-mpower10")
+ .Case("pwr11", "-mpower11")
+ .Case("power11", "-mpower11")
.Default("-many");
}
diff --git a/clang/test/Misc/target-invalid-cpu-note.c b/clang/test/Misc/target-invalid-cpu-note.c
index a5f9ffa21220a..4d6759dd81537 100644
--- a/clang/test/Misc/target-invalid-cpu-note.c
+++ b/clang/test/Misc/target-invalid-cpu-note.c
@@ -57,7 +57,7 @@
// RUN: not %clang_cc1 -triple powerpc--- -target-cpu not-a-cpu -fsyntax-only %s 2>&1 | FileCheck %s --check-prefix PPC
// PPC: error: unknown target CPU 'not-a-cpu'
-// PPC-NEXT: note: valid target CPU values are: generic, 440, 450, 601, 602, 603, 603e, 603ev, 604, 604e, 620, 630, g3, 7400, g4, 7450, g4+, 750, 8548, 970, g5, a2, e500, e500mc, e5500, power3, pwr3, power4, pwr4, power5, pwr5, power5x, pwr5x, power6, pwr6, power6x, pwr6x, power7, pwr7, power8, pwr8, power9, pwr9, power10, pwr10, powerpc, ppc, ppc32, powerpc64, ppc64, powerpc64le, ppc64le, future{{$}}
+// PPC-NEXT: note: valid target CPU values are: generic, 440, 450, 601, 602, 603, 603e, 603ev, 604, 604e, 620, 630, g3, 7400, g4, 7450, g4+, 750, 8548, 970, g5, a2, e500, e500mc, e5500, power3, pwr3, power4, pwr4, power5, pwr5, power5x, pwr5x, power6, pwr6, power6x, pwr6x, power7, pwr7, power8, pwr8, power9, pwr9, power10, pwr10, power11, pwr11, powerpc, ppc, ppc32, powerpc64, ppc64, powerpc64le, ppc64le, future{{$}}
// RUN: not %clang_cc1 -triple mips--- -target-cpu not-a-cpu -fsyntax-only %s 2>&1 | FileCheck %s --check-prefix MIPS
// MIPS: error: unknown target CPU 'not-a-cpu'
diff --git a/clang/test/Preprocessor/init-ppc64.c b/clang/test/Preprocessor/init-ppc64.c
index 42e5232824de7..a53397226b8d5 100644
--- a/clang/test/Preprocessor/init-ppc64.c
+++ b/clang/test/Preprocessor/init-ppc64.c
@@ -632,6 +632,25 @@
// PPCPOWER10:#define __PCREL__ 1
// PPCPOWER10-NOT:#define __ROP_PROTECT__ 1
//
+// RUN: %clang_cc1 -E -dM -ffreestanding -triple=powerpc64-none-none -target-cpu pwr11 -fno-signed-char < /dev/null | FileCheck -match-full-lines -check-prefix PPCPOWER11 %s
+// RUN: %clang_cc1 -E -dM -ffreestanding -triple=powerpc64-none-none -target-cpu power11 -fno-signed-char < /dev/null | FileCheck -match-full-lines -check-prefix PPCPOWER11 %s
+//
+// PPCPOWER11:#define _ARCH_PPC 1
+// PPCPOWER11:#define _ARCH_PPC64 1
+// PPCPOWER11:#define _ARCH_PPCGR 1
+// PPCPOWER11:#define _ARCH_PPCSQ 1
+// PPCPOWER11:#define _ARCH_PWR10 1
+// PPCPOWER11:#define _ARCH_PWR11 1
+// PPCPOWER11:#define _ARCH_PWR4 1
+// PPCPOWER11:#define _ARCH_PWR5 1
+// PPCPOWER11:#define _ARCH_PWR5X 1
+// PPCPOWER11:#define _ARCH_PWR6 1
+// PPCPOWER11-NOT:#define _ARCH_PWR6X 1
+// PPCPOWER11:#define _ARCH_PWR7 1
+// PPCPOWER11:#define _ARCH_PWR8 1
+// PPCPOWER11:#define _ARCH_PWR9 1
+// PPCPOWER11-NOT:#define __ROP_PROTECT__ 1
+//
// RUN: %clang_cc1 -E -dM -ffreestanding -triple=powerpc64-none-none -target-cpu future -fno-signed-char < /dev/null | FileCheck -match-full-lines -check-prefix PPCFUTURE %s
//
// PPCFUTURE:#define _ARCH_PPC 1
@@ -639,6 +658,7 @@
// PPCFUTURE:#define _ARCH_PPCGR 1
// PPCFUTURE:#define _ARCH_PPCSQ 1
// PPCFUTURE:#define _ARCH_PWR10 1
+// PPCFUTURE:#define _ARCH_PWR11 1
// PPCFUTURE:#define _ARCH_PWR4 1
// PPCFUTURE:#define _ARCH_PWR5 1
// PPCFUTURE:#define _ARCH_PWR5X 1
diff --git a/llvm/lib/Target/PowerPC/PPC.td b/llvm/lib/Target/PowerPC/PPC.td
index 84ef582c029d3..41d2ee328b8b8 100644
--- a/llvm/lib/Target/PowerPC/PPC.td
+++ b/llvm/lib/Target/PowerPC/PPC.td
@@ -52,6 +52,7 @@ def DirectivePwr7: SubtargetFeature<"", "CPUDirective", "PPC::DIR_PWR7", "">;
def DirectivePwr8: SubtargetFeature<"", "CPUDirective", "PPC::DIR_PWR8", "">;
def DirectivePwr9: SubtargetFeature<"", "CPUDirective", "PPC::DIR_PWR9", "">;
def DirectivePwr10: SubtargetFeature<"", "CPUDirective", "PPC::DIR_PWR10", "">;
+def DirectivePwr11: SubtargetFeature<"", "CPUDirective", "PPC::DIR_PWR11", "">;
def DirectivePwrFuture
: SubtargetFeature<"", "CPUDirective", "PPC::DIR_PWR_FUTURE", "">;
@@ -467,13 +468,25 @@ def ProcessorFeatures {
list<SubtargetFeature> P10Features =
!listconcat(P10InheritableFeatures, P10SpecificFeatures);
- // Future
- // For future CPU we assume that all of the existing features from Power10
+ // Power11
+ // For P11 CPU we assume that all the existing features from Power10
// still exist with the exception of those we know are Power10 specific.
+ list<SubtargetFeature> P11AdditionalFeatures =
+ [DirectivePwr11];
+ list<SubtargetFeature> P11SpecificFeatures =
+ [];
+ list<SubtargetFeature> P11InheritableFeatures =
+ !listconcat(P10InheritableFeatures, P11AdditionalFeatures);
+ list<SubtargetFeature> P11Features =
+ !listconcat(P11InheritableFeatures, P11SpecificFeatures);
+
+ // Future
+ // For future CPU we assume that all of the existing features from Power11
+ // still exist with the exception of those we know are Power11 specific.
list<SubtargetFeature> FutureAdditionalFeatures = [FeatureISAFuture];
list<SubtargetFeature> FutureSpecificFeatures = [];
list<SubtargetFeature> FutureInheritableFeatures =
- !listconcat(P10InheritableFeatures, FutureAdditionalFeatures);
+ !listconcat(P11InheritableFeatures, FutureAdditionalFeatures);
list<SubtargetFeature> FutureFeatures =
!listconcat(FutureInheritableFeatures, FutureSpecificFeatures);
}
@@ -672,6 +685,8 @@ def : ProcessorModel<"pwr7", P7Model, ProcessorFeatures.P7Features>;
def : ProcessorModel<"pwr8", P8Model, ProcessorFeatures.P8Features>;
def : ProcessorModel<"pwr9", P9Model, ProcessorFeatures.P9Features>;
def : ProcessorModel<"pwr10", P10Model, ProcessorFeatures.P10Features>;
+// No scheduler model yet.
+def : ProcessorModel<"pwr11", NoSchedModel, ProcessorFeatures.P11Features>;
// No scheduler model for future CPU.
def : ProcessorModel<"future", NoSchedModel,
ProcessorFeatures.FutureFeatures>;
diff --git a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp
index a11ab93b8db3c..0520d75fda31e 100644
--- a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp
+++ b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp
@@ -1469,6 +1469,7 @@ PPCTargetLowering::PPCTargetLowering(const PPCTargetMachine &TM,
case PPC::DIR_PWR8:
case PPC::DIR_PWR9:
case PPC::DIR_PWR10:
+ case PPC::DIR_PWR11:
case PPC::DIR_PWR_FUTURE:
setPrefLoopAlignment(Align(16));
setPrefFunctionAlignment(Align(16));
diff --git a/llvm/lib/Target/PowerPC/PPCSubtarget.h b/llvm/lib/Target/PowerPC/PPCSubtarget.h
index bf35f8ec151b1..2079dc0acc3cf 100644
--- a/llvm/lib/Target/PowerPC/PPCSubtarget.h
+++ b/llvm/lib/Target/PowerPC/PPCSubtarget.h
@@ -61,6 +61,7 @@ enum {
DIR_PWR8,
DIR_PWR9,
DIR_PWR10,
+ DIR_PWR11,
DIR_PWR_FUTURE,
DIR_64
};
diff --git a/llvm/lib/Target/PowerPC/PPCTargetTransformInfo.cpp b/llvm/lib/Target/PowerPC/PPCTargetTransformInfo.cpp
index 3fa35efc2d159..b7bdbeb535d52 100644
--- a/llvm/lib/Target/PowerPC/PPCTargetTransformInfo.cpp
+++ b/llvm/lib/Target/PowerPC/PPCTargetTransformInfo.cpp
@@ -504,7 +504,7 @@ unsigned PPCTTIImpl::getCacheLineSize() const {
// Assume that Future CPU has the same cache line size as the others.
if (Directive == PPC::DIR_PWR7 || Directive == PPC::DIR_PWR8 ||
Directive == PPC::DIR_PWR9 || Directive == PPC::DIR_PWR10 ||
- Directive == PPC::DIR_PWR_FUTURE)
+ Directive == PPC::DIR_PWR11 || Directive == PPC::DIR_PWR_FUTURE)
return 128;
// On other processors return a default of 64 bytes.
@@ -538,7 +538,7 @@ unsigned PPCTTIImpl::getMaxInterleaveFactor(ElementCount VF) {
// Assume that future is the same as the others.
if (Directive == PPC::DIR_PWR7 || Directive == PPC::DIR_PWR8 ||
Directive == PPC::DIR_PWR9 || Directive == PPC::DIR_PWR10 ||
- Directive == PPC::DIR_PWR_FUTURE)
+ Directive == PPC::DIR_PWR11 || Directive == PPC::DIR_PWR_FUTURE)
return 12;
// For most things, modern systems have two execution units (and
diff --git a/llvm/lib/TargetParser/Host.cpp b/llvm/lib/TargetParser/Host.cpp
index 82c1731f58f0a..5d85386e5b359 100644
--- a/llvm/lib/TargetParser/Host.cpp
+++ b/llvm/lib/TargetParser/Host.cpp
@@ -150,6 +150,7 @@ StringRef sys::detail::getHostCPUNameForPowerPC(StringRef ProcCpuinfoContent) {
.Case("POWER8NVL", "pwr8")
.Case("POWER9", "pwr9")
.Case("POWER10", "pwr10")
+ .Case("POWER11", "pwr11")
// FIXME: If we get a simulator or machine with the capabilities of
// mcpu=future, we should revisit this and add the name reported by the
// simulator/machine.
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