Author: Lei Huang Date: 2021-05-13T12:02:10-05:00 New Revision: 9469ff15b77905245e26fe7f166fc127d813a0c0
URL: https://github.com/llvm/llvm-project/commit/9469ff15b77905245e26fe7f166fc127d813a0c0 DIFF: https://github.com/llvm/llvm-project/commit/9469ff15b77905245e26fe7f166fc127d813a0c0.diff LOG: [PowerPC] Add clang option -m[no-]prefixed Add user-facing front end option to turn off power10 prefixed instructions. Reviewed By: nemanjai Differential Revision: https://reviews.llvm.org/D102191 Added: clang/test/Driver/ppc-prefixed.cpp Modified: clang/include/clang/Driver/Options.td clang/lib/Basic/Targets/PPC.cpp clang/lib/Basic/Targets/PPC.h Removed: ################################################################################ diff --git a/clang/include/clang/Driver/Options.td b/clang/include/clang/Driver/Options.td index 78cc0a4e53a5f..1fda2dac0f76f 100644 --- a/clang/include/clang/Driver/Options.td +++ b/clang/include/clang/Driver/Options.td @@ -3254,6 +3254,8 @@ def maltivec : Flag<["-"], "maltivec">, Group<m_ppc_Features_Group>; def mno_altivec : Flag<["-"], "mno-altivec">, Group<m_ppc_Features_Group>; def mpcrel: Flag<["-"], "mpcrel">, Group<m_ppc_Features_Group>; def mno_pcrel: Flag<["-"], "mno-pcrel">, Group<m_ppc_Features_Group>; +def mprefixed: Flag<["-"], "mprefixed">, Group<m_ppc_Features_Group>; +def mno_prefixed: Flag<["-"], "mno-prefixed">, Group<m_ppc_Features_Group>; def mspe : Flag<["-"], "mspe">, Group<m_ppc_Features_Group>; def mno_spe : Flag<["-"], "mno-spe">, Group<m_ppc_Features_Group>; def mefpu2 : Flag<["-"], "mefpu2">, Group<m_ppc_Features_Group>; diff --git a/clang/lib/Basic/Targets/PPC.cpp b/clang/lib/Basic/Targets/PPC.cpp index cd8cc1aed39ea..cc16934292203 100644 --- a/clang/lib/Basic/Targets/PPC.cpp +++ b/clang/lib/Basic/Targets/PPC.cpp @@ -56,6 +56,8 @@ bool PPCTargetInfo::handleTargetFeatures(std::vector<std::string> &Features, HasP10Vector = true; } else if (Feature == "+pcrelative-memops") { HasPCRelativeMemops = true; + } else if (Feature == "+prefix-instrs") { + HasPrefixInstrs = true; } else if (Feature == "+spe" || Feature == "+efpu2") { HasSPE = true; LongDoubleWidth = LongDoubleAlign = 64; @@ -394,6 +396,7 @@ void PPCTargetInfo::addP10SpecificFeatures( Features["mma"] = true; Features["power10-vector"] = true; Features["pcrelative-memops"] = true; + Features["prefix-instrs"] = true; return; } @@ -419,6 +422,7 @@ bool PPCTargetInfo::hasFeature(StringRef Feature) const { .Case("paired-vector-memops", PairedVectorMemops) .Case("power10-vector", HasP10Vector) .Case("pcrelative-memops", HasPCRelativeMemops) + .Case("prefix-instrs", HasPrefixInstrs) .Case("spe", HasSPE) .Case("mma", HasMMA) .Case("rop-protect", HasROPProtect) @@ -451,6 +455,8 @@ void PPCTargetInfo::setFeatureEnabled(llvm::StringMap<bool> &Features, Features["power8-vector"] = Features["power9-vector"] = true; if (Name == "pcrel") Features["pcrelative-memops"] = true; + else if (Name == "prefixed") + Features["prefix-instrs"] = true; else Features[Name] = true; } else { @@ -471,6 +477,8 @@ void PPCTargetInfo::setFeatureEnabled(llvm::StringMap<bool> &Features, Features["power10-vector"] = false; if (Name == "pcrel") Features["pcrelative-memops"] = false; + else if (Name == "prefixed") + Features["prefix-instrs"] = false; else Features[Name] = false; } diff --git a/clang/lib/Basic/Targets/PPC.h b/clang/lib/Basic/Targets/PPC.h index 3feee82d6ccd0..554f2174fee00 100644 --- a/clang/lib/Basic/Targets/PPC.h +++ b/clang/lib/Basic/Targets/PPC.h @@ -73,6 +73,7 @@ class LLVM_LIBRARY_VISIBILITY PPCTargetInfo : public TargetInfo { bool PairedVectorMemops = false; bool HasP10Vector = false; bool HasPCRelativeMemops = false; + bool HasPrefixInstrs = false; protected: std::string ABI; diff --git a/clang/test/Driver/ppc-prefixed.cpp b/clang/test/Driver/ppc-prefixed.cpp new file mode 100644 index 0000000000000..3d6a13f83d0b2 --- /dev/null +++ b/clang/test/Driver/ppc-prefixed.cpp @@ -0,0 +1,12 @@ +// RUN: %clang -target powerpc64-unknown-linux-gnu %s -### -mcpu=pwr10 -mprefixed -o %t.o 2>&1 | FileCheck -check-prefix=CHECK-PREFIXED %s +// RUN: %clang -target powerpc64-unknown-linux-gnu %s -### -mcpu=pwr10 -mno-prefixed -o %t.o 2>&1 | FileCheck -check-prefix=CHECK-NOPREFIXED %s +// CHECK-NOPREFIXED: "-target-feature" "-prefixed" +// CHECK-PREFIXED: "-target-feature" "+prefixed" + +// RUN: %clang -target powerpc64-unknown-linux-gnu -mcpu=pwr10 -emit-llvm -S %s -o - | grep "attributes.*+prefix-instrs" +// RUN: %clang -target powerpc64-unknown-linux-gnu -mcpu=pwr10 -mprefixed -emit-llvm -S %s -o - | grep "attributes.*+prefix-instrs" +// RUN: %clang -target powerpc64-unknown-linux-gnu -mcpu=pwr10 -mno-prefixed -emit-llvm -S %s -o - | grep "attributes.*\-prefix-instrs" + +int main(int argc, char *argv[]) { + return 0; +} _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
