jhibbits created this revision.
jhibbits added a reviewer: PowerPC.
Herald added subscribers: llvm-commits, cfe-commits, steven.zhang, shchenz,
jsji, dexonsmith, kbarton, hiraditya, krytarowski, arichardson, nemanjai,
emaste.
Herald added projects: clang, LLVM.
This allows the use of '-target powerpcspe-unknown-linux-gnu' or
'powerpcspe-unknown-freebsd' to be used, instead of
'-target powerpc-unknown-linux-gnu -mspe'.
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D72014
Files:
clang/lib/Basic/Targets/PPC.cpp
clang/lib/Basic/Targets/PPC.h
clang/test/Preprocessor/init.c
llvm/include/llvm/ADT/Triple.h
llvm/lib/Support/Triple.cpp
llvm/lib/Target/PowerPC/PPCSubtarget.cpp
Index: llvm/lib/Target/PowerPC/PPCSubtarget.cpp
===================================================================
--- llvm/lib/Target/PowerPC/PPCSubtarget.cpp
+++ llvm/lib/Target/PowerPC/PPCSubtarget.cpp
@@ -150,6 +150,9 @@
TargetTriple.isMusl())
SecurePlt = true;
+ if (TargetTriple.getSubArch() == Triple::PPCSubArch_spe)
+ HasSPE = true;
+
if (HasSPE && IsPPC64)
report_fatal_error( "SPE is only supported for 32-bit targets.\n", false);
if (HasSPE && (HasAltivec || HasQPX || HasVSX || HasFPU))
Index: llvm/lib/Support/Triple.cpp
===================================================================
--- llvm/lib/Support/Triple.cpp
+++ llvm/lib/Support/Triple.cpp
@@ -389,7 +389,7 @@
// FIXME: Do we need to support these?
.Cases("i786", "i886", "i986", Triple::x86)
.Cases("amd64", "x86_64", "x86_64h", Triple::x86_64)
- .Cases("powerpc", "ppc", "ppc32", Triple::ppc)
+ .Cases("powerpc", "powerpcspe", "ppc", "ppc32", Triple::ppc)
.Cases("powerpc64", "ppu", "ppc64", Triple::ppc64)
.Cases("powerpc64le", "ppc64le", Triple::ppc64le)
.Case("xscale", Triple::arm)
@@ -563,6 +563,9 @@
(SubArchName.endswith("r6el") || SubArchName.endswith("r6")))
return Triple::MipsSubArch_r6;
+ if (SubArchName == "powerpcspe")
+ return Triple::PPCSubArch_spe;
+
StringRef ARMSubArch = ARM::getCanonicalArchName(SubArchName);
// For now, this is the small part. Early return.
Index: llvm/include/llvm/ADT/Triple.h
===================================================================
--- llvm/include/llvm/ADT/Triple.h
+++ llvm/include/llvm/ADT/Triple.h
@@ -128,7 +128,9 @@
KalimbaSubArch_v4,
KalimbaSubArch_v5,
- MipsSubArch_r6
+ MipsSubArch_r6,
+
+ PPCSubArch_spe
};
enum VendorType {
UnknownVendor,
Index: clang/test/Preprocessor/init.c
===================================================================
--- clang/test/Preprocessor/init.c
+++ clang/test/Preprocessor/init.c
@@ -7616,10 +7616,15 @@
//
// PPC32-LINUX-NOT: _CALL_LINUX
//
-// RUN: %clang_cc1 -E -dM -ffreestanding -triple=powerpc-unknown-linux-gnu -target-feature +spe < /dev/null | FileCheck -match-full-lines -check-prefix PPC32-SPE %s
+// RUN: %clang_cc1 -E -dM -ffreestanding -triple=powerpc-unknown-linux-gnu -target-feature +spe < /dev/null | FileCheck -match-full-lines -check-prefix PPC32-SPE-FEAT %s
//
-// PPC32-SPE:#define __NO_FPRS__ 1
-// PPC32-SPE:#define __SPE__ 1
+// PPC32-SPE-FEAT:#define __NO_FPRS__ 1
+// PPC32-SPE-FEAT:#define __SPE__ 1
+//
+// RUN: %clang_cc1 -E -dM -ffreestanding -triple=powerpcspe-unknown-linux-gnu < /dev/null | FileCheck -match-full-lines -check-prefix PPCSPE-TGT %s
+//
+// PPC32-SPE-TGT:#define __NO_FPRS__ 1
+// PPC32-SPE-TGT:#define __SPE__ 1
//
// RUN: %clang_cc1 -E -dM -ffreestanding -triple=powerpc-unknown-linux-gnu -target-cpu 8548 < /dev/null | FileCheck -match-full-lines -check-prefix PPC8548 %s
//
Index: clang/lib/Basic/Targets/PPC.h
===================================================================
--- clang/lib/Basic/Targets/PPC.h
+++ clang/lib/Basic/Targets/PPC.h
@@ -87,8 +87,7 @@
// Note: GCC recognizes the following additional cpus:
// 401, 403, 405, 405fp, 440fp, 464, 464fp, 476, 476fp, 505, 740, 801,
- // 821, 823, 8540, 8548, e300c2, e300c3, e500mc64, e6500, 860, cell,
- // titan, rs64.
+ // 821, 823, 8540, e300c2, e300c3, e500mc64, e6500, 860, cell, titan, rs64.
bool isValidCPUName(StringRef Name) const override;
void fillValidCPUList(SmallVectorImpl<StringRef> &Values) const override;
Index: clang/lib/Basic/Targets/PPC.cpp
===================================================================
--- clang/lib/Basic/Targets/PPC.cpp
+++ clang/lib/Basic/Targets/PPC.cpp
@@ -316,7 +316,8 @@
.Case("pwr8", true)
.Default(false);
- Features["spe"] = llvm::StringSwitch<bool>(CPU)
+ Features["spe"] = getTriple().getSubArch() == llvm::Triple::PPCSubArch_spe ||
+ llvm::StringSwitch<bool>(CPU)
.Case("8548", true)
.Case("e500", true)
.Default(false);
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